Station Overview Station Location
Station Number OR-CC-97 Latitude 45.39368
Station Name Lake Oswego 2.1 SW Longitude -122.73268
County Clackamas Elevation (ft) 154



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 17 3.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 6.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 6.69 2.59 25 2.32 22 0.27 3 1 9 2 0.0 0 0
Jan 18 5.96 5.49 26 4.98 22 0.51 4 2 16 1 0.0 0 0
Feb 18 4.77 1.89 28 1.89 28 0.00 0 0 14 4 3.0 2 2
March 18 4.52 3.72 30 3.72 30 0.00 0 0 17 4 0.0 0 0
April 18 3.22 5.31 30 5.31 30 0.00 0 0 20 1 0.0 0 0
May 18 2.53 0.20 30 0.20 30 0.00 0 0 3 3 0.0 0 0
June 18 1.82 0.94 28 0.94 28 0.00 0 0 5 4 0.0 0 0
July 18 0.59 0.00 29 0.00 29 0.00 0 0 0 2 0.0 0 0
Aug 18 0.64 0.09 29 0.09 29 0.00 0 0 2 2 0.0 0 0
Sept 18 1.38 0.74 30 0.74 30 0.00 0 0 8 6 0.0 0 0
Water Year Totals: 42.05" 20.97" 285 days 20.19" 278 0.78" 7 days 3 94 days 29 days 3.0" 2 days 2 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.00
12/15/2017 0.00
12/16/2017 T
12/17/2017 0.01
12/18/2017 T
12/19/2017 0.46
12/20/2017 0.50
12/21/2017 0.03
12/22/2017 0.00
12/23/2017 **
12/24/2017 **
12/25/2017 0.27
12/26/2017 0.01
12/27/2017 0.04
12/28/2017 0.04
12/29/2017 0.58
12/30/2017 0.65
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018
1/4/2018
1/5/2018 **
1/6/2018 0.42
1/7/2018 **
1/8/2018 0.00 0.09
1/9/2018 0.59
1/10/2018
1/11/2018 M
1/12/2018 0.70
1/13/2018 0.01
1/14/2018 0.00
1/15/2018 0.00
1/16/2018 0.15
1/17/2018 0.02
1/18/2018
1/19/2018
1/20/2018 0.06
1/21/2018 0.05
1/22/2018 0.22
1/23/2018 0.11
1/24/2018 1.18
1/25/2018 0.53
1/26/2018 0.22
1/27/2018 0.42
1/28/2018 0.19
1/29/2018 T
1/30/2018 0.49
1/31/2018 0.04
2/1/2018 0.00
2/2/2018 0.13
2/3/2018 0.02
2/4/2018 0.00
2/5/2018 0.00
2/6/2018 0.00
2/7/2018 0.00
2/8/2018 0.00
2/9/2018 0.00
2/10/2018 T
2/11/2018 0.00
2/12/2018 T
2/13/2018 0.00
2/14/2018 0.23
2/15/2018 0.03
2/16/2018 0.03
2/17/2018 0.10
2/18/2018 0.16
2/19/2018 0.17
2/20/2018 T
2/21/2018 0.28
2/22/2018 0.12
2/23/2018 T
2/24/2018 0.21
2/25/2018 0.05
2/26/2018 0.28
2/27/2018 0.00
2/28/2018 0.08
3/1/2018 0.53
3/2/2018 0.04
3/3/2018 0.03
3/4/2018 0.02
3/5/2018 0.04
3/6/2018 T
3/7/2018 0.00
3/8/2018 T
3/9/2018 0.34
3/10/2018 0.00
3/11/2018 0.02
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.49
3/15/2018 T
3/16/2018 0.26
3/17/2018 0.05
3/18/2018
3/19/2018 T
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.56
3/23/2018 0.69
3/24/2018 0.36
3/25/2018 0.18
3/26/2018 0.07
3/27/2018 0.02
3/28/2018 0.02
3/29/2018 0.00
3/30/2018 0.00
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 0.16
4/3/2018 0.04
4/4/2018 0.05
4/5/2018 0.01
4/6/2018 0.26
4/7/2018 0.46
4/8/2018 1.87
4/9/2018 0.34
4/10/2018 0.05
4/11/2018 0.15
4/12/2018 0.29
4/13/2018 0.24
4/14/2018 0.02
4/15/2018 0.34
4/16/2018 0.50
4/17/2018 0.10
4/18/2018 0.02
4/19/2018 T
4/20/2018 0.00
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.10
4/29/2018 0.26
4/30/2018 0.05
5/1/2018 0.02
5/2/2018 0.00
5/3/2018 0.00
5/4/2018 0.00
5/5/2018 0.00
5/6/2018 0.03
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.15
5/10/2018 0.00
5/11/2018
5/12/2018 T
5/13/2018 0.00
5/14/2018 0.00
5/15/2018 0.00
5/16/2018 0.00
5/17/2018 T
5/18/2018 0.00
5/19/2018 0.00
5/20/2018 0.00
5/21/2018 T
5/22/2018 0.00
5/23/2018 0.00
5/24/2018 0.00
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 0.00
5/31/2018 0.00
6/1/2018 T
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 T
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.29
6/10/2018 0.23
6/11/2018 0.28
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 T
6/15/2018 0.00
6/16/2018 0.00
6/17/2018 T
6/18/2018 0.07
6/19/2018 0.00
6/20/2018
6/21/2018 0.00
6/22/2018 0.07
6/23/2018 0.00
6/24/2018 0.00
6/25/2018 0.00
6/26/2018 0.00
6/27/2018 0.00
6/28/2018
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018 T
7/4/2018 0.00
7/5/2018 T
7/6/2018 0.00
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.00
7/17/2018
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.00
7/23/2018
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.00
7/27/2018 0.00
7/28/2018 0.00
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.00
8/6/2018 0.00
8/7/2018
8/8/2018 0.00
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.06
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 0.00
8/19/2018 0.00
8/20/2018 0.00
8/21/2018 0.00
8/22/2018
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 T
8/27/2018 0.03
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 T
9/1/2018 T
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018 T
9/9/2018 0.05
9/10/2018 T
9/11/2018 T
9/12/2018 0.23
9/13/2018 0.24
9/14/2018 0.02
9/15/2018 T
9/16/2018 0.13
9/17/2018 0.02
9/18/2018 0.00
9/19/2018 0.00
9/20/2018 0.00
9/21/2018 0.00
9/22/2018 0.04
9/23/2018 T
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.00
9/30/2018 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/7/2017 7:00 AM 0.00 0.0 M M M
12/8/2017 7:00 AM 0.00 0.0 M M M First day! Gauge up.
12/9/2017 7:00 AM 0.00 0.0 M M M First frost of season.
12/10/2017 7:00 AM 0.00 0.0 M M M Clear, inversion conditions. Temp. 32 all night
12/11/2017 7:00 AM 0.00 0.0 M M M Strong (20-30 MPH) East winds.
12/12/2017 7:00 AM 0.00 0.0 M M M Clear skies light east winds.
12/13/2017 7:00 AM 0.00 0.0 M M M
12/14/2017 7:00 AM 0.00 0.0 M M M
12/15/2017 7:00 AM 0.00 0.0 M M M This is likely the last day of inversion conditions and an end to dry streak. Note: during the past 9 days of no rain there was no fog at any time here. Just cool, dry, and light to moderate easterly winds. The lowest temperature was 24.4.
12/16/2017 7:00 AM T M M M M LESS THAN .01 PRECIPITATION.
12/17/2017 9:00 AM 0.01 M M M M Very light rain or drizzle broke the dry streak ( barely). Cloudy, gray, cool temperature at 9:00am 42.4.
12/18/2017 7:00 AM T M M M M Spitting rain, and mist but less than .01 in gauge
12/19/2017 11:00 AM 0.46 M M M M Late taking reading as I was out and about early. Rain began around 3am. Mild ( temp. 49.4) at observation time. Windy as well.
12/20/2017 7:00 AM 0.50 M M M M Rain until about 1pm then showers including overnight period
12/21/2017 7:00 AM 0.03 M M M M
12/22/2017 7:00 AM 0.00 0.0 M M M 32.5 degrees at 7am. Overcast.
12/26/2017 7:00 AM 0.01 M M M M Frozen gauge. Melted to .01. Mostly in the form of light freezing drizzle/mist. Not from fog however. 25.1 at 7am. Mainly clear skies.
12/27/2017 7:00 AM 0.04 M M M M Very light rain overnight. Temperature at 32.4 degrees at 7am. Although some slight icing around lip of gauge water ( rain) was not freezing.
12/28/2017 7:00 AM 0.04 M M M M Thaw has commenced but cold air has not given way to south winds. 39.2 at 7pm and 7am.
12/29/2017 7:00 AM 0.58 M M M M Mild, breezy. Temperature at 7am 51 degrees. Rain began early afternoon on the 28th and continued until at least 10pm.
12/30/2017 7:00 AM 0.65 M M M M
12/31/2017 8:00 AM 0.00 0.0 M M M Clear overnight, no fog. Temperature at 8am 33.0 Looking forward to Moon tonight. Happy New Year!
1/1/2018 7:00 AM 0.00 0.0 M M M
1/2/2018 7:00 AM 0.00 0.0 M M M Basically clear skies but breezy conditions held temperatures above freezing.....after dropping to 34.8 at 7pm it rose to 37.7 by 8am.
1/8/2018 7:00 AM 0.00 0.0 M M M Mostly cloudy with some small breaks in overcast. No rain this AM.
1/9/2018 7:00 AM 0.59 M M M M Light rain falling at observation time. 42.4 degrees. Most rainfall occurred during overnight period but I cannot quantify this.
1/11/2018 7:00 AM M 0.0 M M M Moderate rainfall occurring. {EDIT: Observer reported 0.00 of new precip but indicated rain in the comments. Surrounding reports show 0.35 to 0.42. Changed report of 0.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 1/11/2018 8:37 AM CoCoSTAFF DNT}
1/12/2018 7:00 AM 0.70 M M M M Steady rain began early morning and front passed shortly after noon. Heaviest rain came in a strong long lasting band of showers post front between 2:30 and 4pm.
1/13/2018 7:00 AM 0.01 M M M M
1/14/2018 7:00 AM 0.00 0.0 M M M Great sunny mild day.
1/15/2018 7:00 AM 0.00 0.0 M M M Generally clear skies at observation time. 42.8 at 7:55am.
1/16/2018 7:00 AM 0.15 M M M M
1/17/2018 7:00 AM 0.02 M M M M
1/20/2018 7:00 AM 0.06 M M M M 41.6 at 7:00 cloudy skies with very light (spitting) rain.
1/21/2018 7:00 AM 0.05 M M M M Breezy this morning slate gray overcast with a very light drizzle.
1/22/2018 7:00 AM 0.22 M M M M Clearing skies overnight allowed temperature to drop into the upper 30's. However, clouds increased between 3am and 7am so current temp is 42.3.
1/23/2018 7:45 AM 0.11 M M M M Raining currently.
1/24/2018 7:00 AM 1.18 M M M M First observation of over 1" as a CoCoRaHS. Raining and 45.3 degrees at time of observation....Steady rain with heavier showers Afternoon and evening.
1/25/2018 10:45 AM 0.53 M M M M
1/26/2018 7:00 AM 0.22 M M M M Overcast, breezy, 39 degrees at 7am
1/27/2018 7:45 AM 0.42 M M M M Raining at time of observation.
1/28/2018 7:45 AM 0.19 M M M M Very light mist with clearing to the west at observation time
1/29/2018 7:00 AM T M M M M Trace occured yesterday morning. Skies gradually cleared to a very mild day.
1/30/2018 7:00 AM 0.49 M M M M Moderate rain between 5pm till 9pm.this morning is partly cloudy and 40.1 at Observation time
1/31/2018 7:00 AM 0.04 M M M M Clear skies in early evening allowed temperature to dip into the 30's. 41.8 degrees at observation time as low level Stratus formed overnight.
2/1/2018 7:00 AM 0.00 0.0 M M M No rain on gauge at 7am. Overcast and mild.
2/2/2018 7:00 AM 0.13 M M M M Mild this morning 49.8 degrees with mostly cloudy skies.
2/3/2018 7:00 AM 0.02 M M M M Dry low overcast near 45 degrees. Continuing the mild January trend.
2/4/2018 7:00 AM 0.00 0.0 M M M 50.1 degrees. Mild, dry, overcast skies.
2/5/2018 7:00 AM 0.00 0.0 M M M Cloudy, mild.
2/6/2018 7:00 AM 0.00 0.0 M M M Fog and low clouds........Dry skies
2/7/2018 9:00 AM 0.00 0.0 M M M Fog, 44 degrees at 9am.
2/8/2018 7:00 AM 0.00 0.0 M M M Light ground fog, overcast and 41.5 degrees at 7am.
2/9/2018 7:00 AM 0.00 0.0 M M M
2/10/2018 7:00 AM T M M M M
2/11/2018 7:00 AM 0.00 0.0 M M M
2/12/2018 7:00 AM T M M M M Clearing skies overnight lead to coldest temperature in over a month (28.5). Light sprinkles at about 3pm.
2/13/2018 7:00 AM 0.00 0.0 M M M Crystal clear 24.6 degrees.
2/14/2018 11:00 AM 0.23 M M M M Rain late in overnight period 3am? possibly wet snow mixed in.
2/15/2018 6:00 AM 0.03 M M M M Rainfall from an afternoon shower between 2 and 3 pm.at 6am mostly cloudy and 38.4 degrees.
2/16/2018 7:00 AM 0.03 M M M M Very light rain at 7am. Temperature 41.3 degrees.
2/17/2018 6:00 AM 0.10 M M M M Light rain and very gusty south winds st 6am.
2/18/2018 7:00 AM 0.16 M M M M A few snowflakes falling.....33.1 degrees.
2/19/2018 7:00 AM 0.17 M M T 0.17 Most fell as snow and melted into gauge then froze overnight.there was light accumulation on lawns, roofs, etc. but not on roads as far as snow. Melted snow on roads froze overnight.
2/20/2018 7:00 AM T M M M M Light snow at observation time.
2/21/2018 7:00 AM 0.28 1.0 M 1.0 M Light snow began early morning....did not stick. Sticking now started about 7pm and sated for about 2 hrs.Right now at 7am temperature is 24.6 degrees under clear skies.
2/22/2018 7:00 AM 0.12 2.0 M M M Snow began later in evening and accumulated 2". By morning it had contracted to about an 1.75". Temperature remained steady all night near 32 degrees.
2/23/2018 7:00 AM T T M 1.0 M Very light flurries evening. Clear skies overnight. Coldest night of season (20.3 degrees).
2/24/2018 7:00 AM 0.21 M M T M Strong southerly winds last evening bumped temperatures to 37 degrees at 6pm. This essentially ended snow threat. Shower skies this AM and cool near 35.
2/25/2018 7:00 AM 0.05 M M M M Cloudy, light rain falling 41.5 degrees at 7am
2/26/2018 7:00 AM 0.28 M M M M
2/27/2018 7:00 AM 0.00 0.0 M M M Cool but pleasant day and evening. Plenty of sun breaks. 34 degrees at 6am. Overcast.
2/28/2018 7:00 AM 0.08 M M M M Very light rain 39.6 at 7am
3/1/2018 7:00 AM 0.53 M M M M Partly cloudy and 38 degrees at 7am.
3/2/2018 7:00 AM 0.04 M M M M
3/3/2018 7:00 AM 0.03 M M M M Scattered clouds otherwise fair skies 35 degrees at 7am. Light rain mixed with wet snow yesterday morning.
3/4/2018 7:00 AM 0.02 M M M M I nice cool day. Mainly dry with a light shower spawned by afternoon cumulus build up. Gorgeous sunset. 32 degrees at 7am.
3/5/2018 7:00 AM 0.04 M M M M Mainly dry day with afternoon and evening sprinkles.....
3/6/2018 7:00 AM T M M M M Remarkable clear skies 28.2 degrees at 7am
3/7/2018 7:00 AM 0.00 0.0 M M M Cirrus to the east of us stratus to the west. Stuck in the middle with almost clear skies overhead.
3/8/2018 7:00 AM T M M M M Overcast, breezy, rain pending 44 degrees at 7am
3/9/2018 7:00 AM 0.34 M M M M
3/10/2018 7:00 AM 0.00 0.0 M M M Clear skies at 7am
3/11/2018 7:00 AM 0.02 M M M M A very light shower after midnight provided the .02 of rain. Skies cleared to provide clear skies at 7am. DST started overnight. Uggh.
3/12/2018 7:00 AM 0.00 0.0 M M M Clear skies, mild temperatures....38 degrees.
3/13/2018 7:00 AM 0.00 0.0 M M M Mostly cloudy, increasing clouds from Southwest no rain but on the doorstep. In fact raining as I drove west to work.unusually mild night 50 degrees at 7am. Walked dog in short sleeves.
3/14/2018 7:00 AM 0.49 M M M M Partly cloudy 43 degrees at 7am.
3/15/2018 7:00 AM T M M M M Nice day. Late day warming led to widely scattered showers. Partly cloudy and 34 degrees at 7am.
3/16/2018 7:00 AM 0.26 M M M M
3/17/2018 7:00 AM 0.05 M M M M Partly cloudy overnight, cool near 40 degrees.
3/19/2018 7:00 AM T M M M M Trace of rain most likely condensation. 38 degrees at 7am. Dry, high clouds.
3/20/2018 7:00 AM 0.00 0.0 M M M Crystal clear in all directions. 32 degrees. Birds chirping. First day of spring.
3/21/2018 7:00 AM 0.00 0.0 M M M Partly cloudy and 36 degrees at 7am
3/22/2018 7:00 AM 0.56 M M M M Steady rain temp. In mid 40's at 7am.
3/23/2018 7:00 AM 0.69 M M M M Heavier steady shower bands complete with some wet snow overnight. Gusty southwest winds. Very cool for late March. 36 degrees at 7am
3/24/2018 7:00 AM 0.36 M M M M Cold rain with snow mixing in a good part of the day into overnight.36 degrees at 7am
3/25/2018 7:00 AM 0.18 M M M M
3/26/2018 7:00 AM 0.07 M M M M 37.6 degrees at 7am with a solid overcast.
3/27/2018 7:00 AM 0.02 M M M M It's warmer than previous days.45 degrees at 7am. A few sprinkles mostly cloudy skies.
3/28/2018 7:00 AM 0.02 M M M M
3/29/2018 7:00 AM 0.00 0.0 M M M
3/30/2018 7:00 AM 0.00 0.0 M M M
3/31/2018 5:00 AM 0.00 0.0 M M M Had to leave early for work. No rain has fallen.
4/1/2018 7:00 AM 0.00 0.0 M M M High overcast 40 degrees. Happy Easter fellow CoCoRah volunteers!
4/2/2018 7:00 AM 0.16 M M M M
4/3/2018 7:00 AM 0.04 M M M M Frost under clear skies 29.8 at 6:45am
4/4/2018 7:00 AM 0.05 M M M M Light rain falling at 7am. Milder with temperatures in the mid 40's est.
4/5/2018 7:00 AM 0.01 M M M M 48 degrees with some light rain
4/6/2018 7:00 AM 0.26 M M M M A balmy 50 degrees with light fog and mist at 7am
4/7/2018 7:00 AM 0.46 M M M M
4/8/2018 7:00 AM 1.87 M M M M Interesting day.front exited about 8am and have way to a mainly dry pleasant morning. Then, I believe a bent back occlusion and secondary wave and stream of moisture brought steady rain from about 3pm on.my gauge doth overflow to a record for my short time observing of 1.87. 45 degrees at 7am.
4/9/2018 7:00 AM 0.34 M M M M Rain early pleasant late in the day. Clear skies overnight. Temperature 40 degrees at 6:50am
4/10/2018 7:00 AM 0.05 M M M M Rain started about 530am
4/11/2018 7:00 AM 0.15 M M M M Partly cloudy calm 44 degrees. Rain was primarily a morning event. Evening was partly cloudy with no rain.in addition to the .15 if rainfall a trace of pollen was in the gauge.
4/12/2018 7:00 AM 0.29 M M M M Rain to showers and an extended moderate rain shower between 5 and 7 pm. Clearing overnight. Partly cloudy and 39.7 at 7am.
4/13/2018 7:00 AM 0.24 M M M M
4/14/2018 7:00 AM 0.02 M M M M Mild overcast skies 49 degrees at 7am.
4/15/2018 7:00 AM 0.34 M M M M Saturday was dry with a breezy south wind until about 3pm. Temperature 47 degrees with a light fog and stratus clouds above.
4/16/2018 7:00 AM 0.50 M M M M Rain most of the day and into night. Breezy SW winds.
4/17/2018 6:00 AM 0.10 M M M M Mainly clear this morning with some alto cumulus clouds. 42 degrees.
4/18/2018 7:00 AM 0.02 M M M M 42 degrees at 7am
4/19/2018 7:00 AM T M M M M A light sprinkle at dusk was all the precipitation. That was a visual observation. Clear skies overnight led to a chilly 36.4 degrees at 7am.
4/20/2018 7:00 AM 0.00 0.0 M M M Clear skies and 37.8 at 7am.
4/21/2018 7:00 AM 0.00 0.0 M M M 46 degrees and mainly clear skies. Clouded up late afternoon and threatened rain but no sign of any sprinkles.
4/22/2018 7:00 AM 0.00 0.0 M M M Clear and quite cool overnight. Temperature at 7am 37 degrees.
4/23/2018 7:00 AM 0.00 0.0 M M M Sunny all day. Clear overnight led to a coolish 39 degrees
4/24/2018 7:00 AM 0.00 0.0 M M M 44 degrees and crystal clear skies. East wind commenced about 6am.
4/25/2018 7:00 AM 0.00 0.0 M M M 48 degrees at 7am.with clear sunny skies. Warm day. It touched 80 at 5pm.
4/26/2018 7:00 AM 0.00 0.0 M M M Clear skies overnight after a sunny warm day in the low 80's. 52 degrees at 7am.
4/27/2018 7:00 AM 0.00 0.0 M M M Sunny warm day gave way to a breezy dry front ushering in cooler air about 6pm. No rain. Temp. 50 with stratus.
4/28/2018 7:00 AM 0.10 M M M M
4/29/2018 7:00 AM 0.26 M M M M Pleasant day then showers and even a steady period of rain occured between 7pm and 930 pm. Temp. 46 degrees with breaks in the overcast at 7am
4/30/2018 6:00 AM 0.05 M M M M Light showers especially after 11am..... Cool, cloudy, with a very light mist and 46 degrees at 6am
5/1/2018 7:00 AM 0.02 M M M M Cloudy 48 degrees dry. Light shower AM yesterday.
5/2/2018 7:00 AM 0.00 0.0 M M M Mainly clear skies at 6am. 42 degrees.
5/3/2018 7:00 AM 0.00 0.0 M M M Clear and 46 at 7am
5/4/2018 7:00 AM 0.00 0.0 M M M Mostly sunny and warm day. Near 80. This morning partly cloudy and 50 degrees.
5/5/2018 7:00 AM 0.00 0.0 M M M
5/6/2018 7:00 AM 0.03 M M M M Interesting day. Warm with thin high overcast. Late evening (11pm) thunderstorm. Morning produced showers.
5/7/2018 7:00 AM 0.00 0.0 M M M Lower layer of stratus this morning and mild....near 50 degrees.
5/8/2018 7:00 AM 0.00 0.0 M M M Pleasant day. Thin overcast and seasonally mild overnight.
5/9/2018 7:00 AM 0.15 M M M M Interesting day. Warm, muggy upper 70's at 3pm. Dark clouds to the west and south enveloped area. Light shower about 330. Overnight about 9pm showers started and although brief were strong for a minute or 3. Mamatus clouds observed about 5pm.
5/10/2018 6:00 AM 0.00 0.0 M M M Just a tad under 50 degrees at 6am. Broken clouds.
5/12/2018 7:00 AM T M M M M Early morning cloud deck 51 degrees at 7am
5/13/2018 7:00 AM 0.00 0.0 M M M Clear skies...no morning clouds whatsoever lower 50's.happy Mothers day.
5/14/2018 6:00 AM 0.00 0.0 M M M Clear and 53 degrees at 6am. High temp. was 90 degrees at 3-4pm
5/15/2018 7:00 AM 0.00 0.0 M M M Clear above cloudy to immediate west at 7am. Ocean air filtering in. Ahhh.
5/16/2018 7:00 AM 0.00 0.0 M M M
5/17/2018 7:00 AM T M M M M A very fine mist falling from low cloud deck at 7am.54 degrees.
5/18/2018 7:00 AM 0.00 0.0 M M M
5/19/2018 7:00 AM 0.00 0.0 M M M
5/20/2018 7:00 AM 0.00 0.0 M M M Cloudy 54 degrees. Remained mostly cloudy all day except for a brief period in late afternoon where clouds parted.
5/21/2018 7:00 AM T M M M M Clear skies and 45.6 degrees at 7am..A little mist during the day accounted for the trace. Mist fell late morning about 11am to 11:45am.
5/22/2018 7:00 AM 0.00 0.0 M M M 49 degrees at 7am. Cloudless skies.
5/23/2018 6:00 AM 0.00 0.0 M M M Mostly clear some alto cumulus breezing by to the west. 54 degrees at 6am.
5/24/2018 7:00 AM 0.00 0.0 M M M
5/25/2018 7:00 AM 0.00 0.0 M M M
5/26/2018 7:00 AM 0.00 0.0 M M M
5/27/2018 5:00 AM 0.00 0.0 M M M Clear and cool this morning. 46 degrees. The day was cloudy and mild near 70. Skies cleared before sunset.
5/28/2018 6:00 AM 0.00 0.0 M M M 48 degrees with mostly clear skies at 5:52am.
5/29/2018 6:00 AM 0.00 0.0 M M M 45.4 degrees at 6am. Clear skies and quite cool for late May. Dry stretch continues.
5/30/2018 7:00 AM 0.00 0.0 M M M 39.8 clear skies
5/31/2018 7:00 AM 0.00 0.0 M M M
6/1/2018 7:00 AM T M M M M Partly cloudy and 47 degrees at 7am. Pop up showers yesterday but didn't amount to anything except a trace. Dry spell continues at least here.
6/2/2018 7:00 AM 0.00 0.0 M M M Mainly clear skies and 47 degrees at 7am. Dry spell continues.
6/3/2018 7:00 AM 0.00 0.0 M M M Thin wispy cirrus otherwise clear at 53 degrees at 7am. Clear skies all day. Warm near 80 degrees.
6/4/2018 7:00 AM T M M M M A light shower about 4:30 amounted to a trace.
6/5/2018 6:00 AM 0.00 0.0 M M M 43.2 degrees at 6am. Mainly clear skies.
6/6/2018 7:00 AM 0.00 0.0 M M M High thin overcast 48 degrees at 7am
6/7/2018 6:00 AM 0.00 0.0 M M M Cloudy, mild 55 degrees at 6am
6/8/2018 7:00 AM 0.00 0.0 M M M Mild morning. Cloudy. Temperature 57 degrees at 7am. Rain on the way. Finally.
6/9/2018 7:00 AM 0.29 M M M M The long (for May-June is over.
6/10/2018 7:00 AM 0.23 M M M M Thunderstorm with small hail accounted for the majority of rainfall. Occured about 11:00am. Another strong cell about 3 pm included thunder......Tera ture 50.2 at 7am.overnight low 48.2. Temperatures remained in the 50'all day.
6/11/2018 6:00 AM 0.28 M M M M Showers turned into a steady rain in the afternoon (about 3pm) and it continued until at least 9pm. Overnight skies cleared allowing temperature to drop to 45.9. 48 degrees at 6am
6/12/2018 7:00 AM 0.00 0.0 M M M Clear skies and 45 at 7am. Low temp. 43.7.
6/13/2018 6:00 AM 0.00 0.0 M M M Increasing clouds overnight. 57.8 at 6am.
6/14/2018 7:00 AM T M M M M A few sprinkles observed but no measurable rain. 53.4 degrees and overcast at 6am.
6/15/2018 5:00 AM 0.00 0.0 M M M Leaving early so at 5am morning stratus and 50 degrees. Low occured at 4 am under then clear skies...47.4.
6/16/2018 7:00 AM 0.00 0.0 M M M
6/17/2018 7:00 AM T M M M M Clear skies until about 5pm when a shower to the east provided a few drops of rain. 53 degrees and clear at 7am
6/18/2018 5:00 AM 0.07 M M M M A strong thunderstorm came in from the northeast skirting the area. Strong winds , lightning, thunder. Temperature at 4pm 90 degrees.in a matter of an hour dropped to 68 degrees. As of 5am 56 degrees and clear.
6/19/2018 5:00 AM 0.00 0.0 M M M Clear skies, light winds 55 degrees at 5am.
6/21/2018 7:00 AM 0.00 0.0 M M M Cloudy 60 degrees at 6am. A few sharp claps of thunder between 9 and 10 pm yesterday.
6/22/2018 7:00 AM 0.07 M M M M Strong storms between 7am aND 830 am yesterday dropped measurable rain.59.6 degrees at 6am.
6/23/2018 7:00 AM 0.00 0.0 M M M
6/24/2018 7:00 AM 0.00 0.0 M M M 54.6 at 7am under clear bright blue skies.
6/25/2018 6:00 AM 0.00 0.0 M M M Cloudy 56 degrees at 6am.
6/26/2018 5:00 AM 0.00 0.0 M M M A cool morning... (47.7) at 5am. Clear skies except some alto cumulus near east horizon.
6/27/2018 6:00 AM 0.00 0.0 M M M Mostly clear and another morning in the 40's.... (47.1 degrees) at 6am. Glorious day.
6/29/2018 5:00 AM 0.00 0.0 M M M Another partly cloudy and mild day. Clear overnight allowing temp. To drop to 48.6 at 5:30 am
6/30/2018 7:00 AM 0.00 0.0 M M M A milder night with cloudy to mostly cloudy skies. 57 degrees at 7am
7/1/2018 6:00 AM 0.00 0.0 M M M 58 degrees. Mostly clear. Patchy clouds. Cumulostratus?.
7/2/2018 6:00 AM 0.00 0.0 M M M A perfect summer day! Mostly sunny with occasional cumulus temperature near 75. As of 6am 53 degrees mainly clear.
7/3/2018 7:00 AM T M M M M A very light sprinkle yesterday about 9am. Clearing skies and temperature dropped to 44.2. At 7am clouds had formed and it is 49 degrees.
7/4/2018 6:00 AM 0.00 0.0 M M M Pleasant day with mostly clear skies and tperature in upper 70's.
7/5/2018 7:00 AM T M M M M Surprising day the 4th was. I was expecting hot temperatures and clear skies. Clouds thickened and lowered until they even spit some sprinkles about 5pm. Temperatures by that time were about 70. Nice.
7/6/2018 7:00 AM 0.00 0.0 M M M Clear skies, high thin cirrus to west. 58.1 degrees at 7am
7/7/2018 6:00 AM 0.00 0.0 M M M Warm afternoon with some clouds. At 6am cloudy with breaks in overcast and 58 degrees.
7/8/2018 7:00 AM 0.00 0.0 M M M Clear skies and a nice refreshing 52.5 degrees at 7am.
7/9/2018 6:00 AM 0.00 0.0 M M M 57.4 and some clouds at 6am.
7/10/2018 7:00 AM 0.00 0.0 M M M
7/11/2018 6:00 AM 0.00 0.0 M M M 53.6 degrees under clear skies at 6am
7/12/2018 5:00 AM 0.00 0.0 M M M Clear skies. 57.4 degrees at 5am.
7/13/2018 6:00 AM 0.00 0.0 M M M 57.1 at 6am. Clear skies.
7/14/2018 6:00 AM 0.00 0.0 M M M A little cooler this AM. 54.3 at 6am. Clear skies.
7/15/2018 6:00 AM 0.00 0.0 M M M Another hot day on tap. 58.3 clear skies. There was a spectacular sunset last night. A mixture of clouds in the western sky gave us the brilliant hues for a few minutes after 9pm.
7/16/2018 6:00 AM 0.00 0.0 M M M Hot again. 60.0 degrees at 6am. Clear skies save a few wispy cirrus to the east.
7/18/2018 5:00 AM 0.00 0.0 M M M Cooler air arrives! 55.8 degrees at 5am.clear skies.
7/19/2018 5:00 AM 0.00 0.0 M M M Clear and 52.5 degrees at 5:25 am.
7/20/2018 6:00 AM 0.00 0.0 M M M A quite cool 48 degrees and clear skies. Heat wave coming but this morning is perfect!
7/21/2018 7:00 AM 0.00 0.0 M M M One last cool overnight low (49.8). Clear skies with few clouds.
7/22/2018 5:00 AM 0.00 0.0 M M M Clear and 52 degrees at 5am.
7/24/2018 6:00 AM 0.00 0.0 M M M Another warm night with low at 59.1 at 5:45.
7/25/2018 6:00 AM 0.00 0.0 M M M Another day in the 90's. 59.7 degrees at 6am
7/26/2018 6:00 AM 0.00 0.0 M M M Clear skies this morning. 60 degrees. Another 95 degree high expected.
7/27/2018 7:00 AM 0.00 0.0 M M M 60.4 at 7am. Clear skies. Another hot day in the 90's.
7/28/2018 7:00 AM 0.00 0.0 M M M 59 degrees at 7am. Clear. Another 90 plus day yesterday. 6th in a row.
7/29/2018 7:00 AM 0.00 0.0 M M M Barely touched 90 at PDX but it did. 61 degrees at 7am.
7/30/2018 6:00 AM 0.00 0.0 M M M 66 warm degrees at 6am. 98 was the high yesterday. That was the 8th day in a row temperature reached or exceeded 90 degrees.
7/31/2018 7:00 AM 0.00 0.0 M M M
8/1/2018 6:00 AM 0.00 0.0 M M M 61 degrees at 5:30 am. Mainly clear. Yesterday was 91 degrees marking the 10th day in a row of 90 degrees or higher temperatures.
8/2/2018 7:00 AM 0.00 0.0 M M M 61 degrees at 7am. Overcast skies.
8/3/2018 7:00 AM 0.00 0.0 M M M
8/4/2018 6:00 AM 0.00 0.0 M M M Clear, crisp 53 degree morning.partly cloudy day.
8/5/2018 7:00 AM 0.00 0.0 M M M 59 degrees at 7:30.
8/6/2018 7:00 AM 0.00 0.0 M M M
8/8/2018 6:00 AM 0.00 0.0 M M M Hazy, clear skies 63 degrees at 6am.
8/9/2018 7:00 AM 0.00 0.0 M M M
8/10/2018 7:00 AM 0.00 0.0 M M M Warm overnight. Clear this AM with haze. 66 degrees at 6am.
8/11/2018 7:00 AM 0.00 0.0 M M M Ahh. Partly cloudy this morning. A light breeze. 65.3 degrees at 7am. Yesterday omnipresent haze cleared about noon but returned somewhat in the evening. Cleared again overnight. lower 90's for high.
8/12/2018 6:00 AM 0.06 M M M M My first measurable rain in quite awhile. Showers with gusty winds about noon. Another 20 minute shower about 3pm. Overcast this morning 59.0 at 6am
8/13/2018 6:00 AM 0.00 0.0 M M M Lighter haze mostly clear skies and 54.1 degrees at 6am. Coolest overnight low in several days.
8/14/2018 6:00 AM 0.00 0.0 M M M Clear with haze from wildfires in BC. 59.1 degrees. High temperature around 92 yesterday.
8/15/2018 6:00 AM 0.00 0.0 M M M Hazy skies turned into smokey skies in afternoon. Hot again. Near 94.morning observation haze and 61 degrees at 6am.
8/16/2018 7:00 AM 0.00 0.0 M M M
8/17/2018 6:00 AM 0.00 0.0 M M M A cooler day (lower 80's) and a much cooler night (51 at 6am). Haze from wildfires moved out overnight as well.
8/18/2018 6:00 AM 0.00 0.0 M M M Clear and cool at observation time. 50.4 degrees.
8/19/2018 7:00 AM 0.00 0.0 M M M 55 degrees at 6:30am. Clear skies with haze visable on horizons.
8/20/2018 6:00 AM 0.00 0.0 M M M Warm day with ample afternoon and evening haze. Upper 80's. Clear skies and 58 degrees at 6am.
8/21/2018 6:00 AM 0.00 0.0 M M M A very smoky, hazy day. Light winds, stagnant air. Smoke obscured the sun limiting temperatures to top out in the lower 80's. Hazy again this AM and 59.4 degrees at 6:00am.
8/23/2018 6:00 AM 0.00 0.0 M M M Smoke,haze, hot. 93 degrees was high. This marked the 30th day of 90 degree or higher temperatures this year. (A record). At 6am cooler but still smoky and hazy skies. 55.5 degrees at 6am.
8/24/2018 6:00 AM 0.00 0.0 M M M Cool this morning. Smoke finally pushed out to the east. 50 degrees at 6am.
8/25/2018 6:00 AM 0.00 0.0 M M M Clear skies and calm led to the lowest temperature in quite some time. 46.2 at 6am
8/26/2018 7:00 AM T M M M M A few sprinkles were observed just after noon yesterday. Partly cloudy and 57 degrees at 7am.
8/27/2018 6:00 AM 0.03 M M M M A very light rain almost mist fell in the afternoon thru early evening. Cloudy and 59.8 at 6am
8/28/2018 6:00 AM 0.00 0.0 M M M Clear skies 52 degrees. Pleasant day yesterday. Partly cloudy low 70's.
8/29/2018 6:00 AM 0.00 0.0 M M M Mostly clear with scattered cirrus 53 degrees at 6am
8/30/2018 7:00 AM 0.00 0.0 M M M
8/31/2018 7:00 AM T M M M M Light mist started falling at 7am.
9/1/2018 7:00 AM T M M M M Very light showers provided a Trace of rain yesterday. Any light precipitation ended by noon.
9/2/2018 7:00 AM 0.00 0.0 M M M
9/3/2018 7:00 AM 0.00 0.0 M M M Partly cloudy skies and cool. 52 degrees at 7am.yesterday was perfect. Clear warm most of the afternoon was in the upper 70's.
9/4/2018 7:00 AM 0.00 0.0 M M M Clear and coolest overnight temp. in months. 45 degrees at 7am.
9/5/2018 7:00 AM 0.00 0.0 M M M
9/6/2018 7:00 AM 0.00 0.0 M M M
9/7/2018 7:00 AM 0.00 0.0 M M M Clear with light haze. 51.5 degrees at 7am.
9/8/2018 7:00 AM T M M M M A clear day suddenly became overcast near 5pm. A few splats of rain fell. Nothing measureable.Cloudy this morning 57 degrees at 7am.
9/9/2018 7:00 AM 0.05 M M M M Light rain starting at 7am.By 10am rain had stopped. This morning skies are clear.
9/10/2018 7:00 AM T M M M M Cloudy overnight, a few sprinkles evident but not measureable. 59 degrees at 7am.
9/11/2018 7:00 AM T M M M M
9/12/2018 6:00 AM 0.23 M M M M A steady rain during the early part of day gave us the first significant "wetting rain" in months.
9/13/2018 6:00 AM 0.24 M M M M Heavier showers and thunder at 5:35pm. This morning has a partly cloudy sky 50 degrees.Very dark skies towards PDX yesterday at 5pm. We got the lighter parts of storm
9/14/2018 7:00 AM 0.02 M M M M Fog and 50 degrees at 7am. A few light showers occured in the afternoon.
9/15/2018 7:00 AM T M M M M Mostly cloudy a few random sprinkles mild with temperatures in the 60's. Partly cloudy this morning and 49 degrees at 7am.
9/16/2018 7:00 AM 0.13 M M M M Light rain fell in the early morning hours accumulating .13 in gauge. Light rain and 53.4 at 7am.
9/17/2018 7:00 AM 0.02 M M M M light showers otherwise a pleasant near fall day. Mostly clear, patchy fog, high thin cirrus and 45.6 degrees at 7am.
9/18/2018 7:00 AM 0.00 0.0 M M M clear skies this morning and very cool ( for September) 43.2 degrees at 6:49 am.
9/19/2018 7:00 AM 0.00 0.0 M M M Perfect day. Say's me. Low 70's clear, cool morning mild to warmish afternoon. 44 degrees and clear at 7am.
9/20/2018 7:00 AM 0.00 0.0 M M M Mainly clear skies and 47.2 degrees at 7am.
9/21/2018 7:00 AM 0.00 0.0 M M M Clear skies 47 degrees at 6:50am
9/22/2018 7:00 AM 0.04 M M M M A little rain overnight (after 10pm). Mild this morning and cloudy 56 degrees at 7am
9/23/2018 7:00 AM T M M M M Broken clouds and 48 degrees at 7am. There is a very light mist in the air as well.
9/24/2018 6:00 AM 0.00 0.0 M M M Coolest morning of the season so far.....43 degrees and clear skies at 6am. Completely dry day. Mostly sunny with scattered Cumulus in afternoon.
9/25/2018 7:00 AM 0.00 0.0 M M M Clear with a full moon in far western sky. 45.5 at 7am.
9/26/2018 7:00 AM 0.00 0.0 M M M Clear skies 47 degrees at 7am.
9/27/2018 7:00 AM 0.00 0.0 M M M
9/28/2018 7:00 AM 0.00 0.0 M M M
9/29/2018 7:00 AM 0.00 0.0 M M M Mainly clear with some scattered Alto cumulus. 51.6 at 7am.
9/30/2018 7:00 AM 0.01 M M M M Some sporadic pelts of rain yesterday amounted to .01 in gauge. Clouds filled in fast after the observation of mail clear at 7am. 51 degrees and mostly cloudy currently (6:45).



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/23/2017 12/25/2017 8:00 AM 3 0.27 0.5 M Out of town the 23rd thru early the 24th. Returned and had to thaw gauge on the 25th. about 1/4
1/5/2018 1/06/2018 7:00 AM 2 0.42 M M
1/7/2018 1/08/2018 7:00 AM 2 0.09 M M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground