Station Overview Station Location
Station Number CA-HM-25 Latitude 40.875693
Station Name Arcata 1.0 NW Longitude -124.096421
County Humboldt Elevation (ft) 15



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 09 2.46 1.67 16 1.67 16 0.00 0 0 7 0 0.0 0 0
Nov 09 6.02 4.53 31 3.86 27 0.67 4 1 15 0 0.0 0 0
Dec 09 8.62 3.14 30 3.14 21 0.00 9 0 11 0 0.0 0 0
Jan 10 6.97 10.50 30 6.90 24 3.60 6 2 17 0 0.0 0 0
Feb 10 6.07 3.33 25 3.33 25 0.00 0 0 19 0 0.0 0 0
March 10 5.82 1.31 5 1.31 5 0.00 0 0 3 0 0.0 0 0
April 10 3.76 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 2.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 0.94 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 10 0.21 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 0.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 0.67 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 43.87" 24.48" 137 days 20.21" 118 4.27" 19 days 3 72 days 0 days 0.0" 0 days 0 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009 0.00
10/13/2009 0.15
10/14/2009 0.94
10/15/2009 0.32
10/16/2009
10/17/2009
10/18/2009
10/19/2009 0.10
10/20/2009
10/21/2009 0.00
10/22/2009 0.01
10/23/2009 0.00
10/24/2009 0.02
10/25/2009 0.00
10/26/2009 0.00
10/27/2009 0.13
10/28/2009 0.00
10/29/2009 0.00
10/30/2009 0.00
10/31/2009 0.00
11/1/2009 0.04
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.61
11/7/2009 0.07
11/8/2009 0.01
11/9/2009 0.00
11/10/2009 0.26
11/11/2009 0.01
11/12/2009 0.02
11/13/2009 0.00
11/14/2009 0.12
11/15/2009 0.01
11/16/2009 0.00
11/17/2009 0.18
11/18/2009 1.20
11/19/2009 0.00
11/20/2009 0.73
11/21/2009 0.40
11/22/2009 0.19
11/23/2009 0.01
11/24/2009 0.00
11/25/2009 0.00 **
11/26/2009 **
11/27/2009 **
11/28/2009 0.67
11/29/2009 0.00
11/30/2009 0.00
12/1/2009
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.00
12/8/2009 0.00
12/9/2009 0.00
12/10/2009 0.00
12/11/2009 0.13
12/12/2009 0.23
12/13/2009 0.03
12/14/2009 0.00
12/15/2009 0.02
12/16/2009 1.02
12/17/2009
12/18/2009 0.08
12/19/2009 0.01
12/20/2009 0.39
12/21/2009 0.43
12/22/2009 0.68
12/23/2009 0.12 **
12/24/2009 **
12/25/2009 **
12/26/2009 **
12/27/2009 **
12/28/2009 **
12/29/2009 **
12/30/2009 **
12/31/2009 **
Day of YearDaily PrcpMultiday Prcp
1/1/2010 **
1/2/2010 2.75
1/3/2010 0.00
1/4/2010 0.00 **
1/5/2010 **
1/6/2010 **
1/7/2010 0.85
1/8/2010 0.03
1/9/2010 0.35
1/10/2010 0.01
1/11/2010
1/12/2010 0.65
1/13/2010 0.67
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.03
1/18/2010 0.26
1/19/2010 1.46
1/20/2010 0.71
1/21/2010 0.87
1/22/2010 0.25
1/23/2010 0.13
1/24/2010
1/25/2010 0.12
1/26/2010 0.86
1/27/2010 0.03
1/28/2010 0.01
1/29/2010 0.00
1/30/2010 0.46
1/31/2010 0.00
2/1/2010 0.08
2/2/2010 0.08
2/3/2010 0.28
2/4/2010 0.02
2/5/2010
2/6/2010 0.10
2/7/2010 0.25
2/8/2010 0.02
2/9/2010 0.00
2/10/2010 0.00
2/11/2010 0.23
2/12/2010
2/13/2010 0.18
2/14/2010 0.35
2/15/2010 0.24
2/16/2010 0.00
2/17/2010 0.00
2/18/2010 0.01
2/19/2010 0.01
2/20/2010 0.00
2/21/2010 0.07
2/22/2010 0.00
2/23/2010 0.02
2/24/2010 0.45
2/25/2010 0.08
2/26/2010
2/27/2010 0.84
2/28/2010 0.02
3/1/2010 0.00
3/2/2010 0.55
3/3/2010 0.74
3/4/2010 0.02
3/5/2010 0.00
3/6/2010
3/7/2010
3/8/2010
3/9/2010
3/10/2010
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/12/2009 7:00 AM 0.00 0.0 M M M No moisture on the ground
10/13/2009 7:00 AM 0.15 M M M M
10/14/2009 7:00 AM 0.94 M M M M
10/15/2009 7:00 AM 0.32 M M M M
10/19/2009 7:00 AM 0.10 M M M M Missed a day of rain on Saturday, I was in Colorado...
10/21/2009 7:00 AM 0.00 0.0 M M M
10/22/2009 7:00 AM 0.01 M M M M
10/23/2009 7:00 AM 0.00 0.0 M M M
10/24/2009 7:00 AM 0.02 M M M M
10/25/2009 7:00 AM 0.00 0.0 M M M
10/26/2009 7:00 AM 0.00 0.0 M M M
10/27/2009 7:00 AM 0.13 M M M M
10/28/2009 7:00 AM 0.00 0.0 M M M
10/29/2009 7:00 AM 0.00 0.0 M M M
10/30/2009 7:00 AM 0.00 0.0 M M M Lots of dew, no precipitation.
10/31/2009 7:00 AM 0.00 0.0 M M M
11/1/2009 7:00 AM 0.04 M M M M
11/2/2009 7:00 AM 0.00 0.0 M M M
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.00 0.0 M M M
11/6/2009 7:00 AM 0.61 M M M M
11/7/2009 7:00 AM 0.07 M M M M
11/8/2009 7:00 AM 0.01 M M M M The entire .01 inch fell all at once during about a 20 minute period around noon-1pm yesterday.
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.26 M M M M
11/11/2009 7:00 AM 0.01 M M M M
11/12/2009 7:00 AM 0.02 M M M M
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.12 M M M M
11/15/2009 7:00 AM 0.01 M M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.18 M M M M
11/18/2009 7:00 AM 1.20 M M M M
11/19/2009 7:00 AM 0.00 0.0 M M M
11/20/2009 8:33 AM 0.73 M M M M
11/21/2009 7:00 AM 0.40 M M M M
11/22/2009 7:00 AM 0.19 M M M M
11/23/2009 7:00 AM 0.01 M M M M Frost on a stuffed squirrel that had been left out on the grass this morning. Not much frost on the grass itself.
11/24/2009 7:00 AM 0.00 0.0 M M M
11/25/2009 7:00 AM 0.00 0.0 M M M
11/29/2009 7:00 AM 0.00 0.0 M M M Frost on the grass this morning.
11/30/2009 7:00 AM 0.00 0.0 M M M
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 0.00 0.0 M M M
12/4/2009 7:00 AM 0.00 0.0 M M M
12/5/2009 7:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.00 0.0 M M M Crunchy frost on the grass and on the rain gage.
12/7/2009 7:00 AM 0.00 0.0 M M M Grass and rain gage are crunchy with frost again this morning.
12/8/2009 7:00 AM 0.00 0.0 M M M Frost on everything, big dark clouds hovering close to the south, but not yet directly overhead.
12/9/2009 7:00 AM 0.00 0.0 M M M Frosty and clear with a few wispy clouds.
12/10/2009 7:00 AM 0.00 0.0 M M M A little bit of cloud cover and a bit less frost.
12/11/2009 7:00 AM 0.13 M M M M
12/12/2009 7:00 AM 0.23 M M M M
12/13/2009 7:00 AM 0.03 M M M M
12/14/2009 7:00 AM 0.00 0.0 M M M trace amount of water, just a few drops.
12/15/2009 7:50 AM 0.02 M M M M Overcast and windy
12/16/2009 7:00 AM 1.02 M M M M
12/18/2009 8:00 AM 0.08 M M M M
12/19/2009 7:00 AM 0.01 M M M M
12/20/2009 9:35 AM 0.39 M M M M
12/21/2009 7:39 AM 0.43 M M M M
12/22/2009 7:00 AM 0.68 M M M M
12/23/2009 7:00 AM 0.12 M M M M Frost on Gage, water partially frozen into gage.
1/3/2010 7:00 AM 0.00 0.0 M M M
1/4/2010 7:00 AM 0.00 0.0 M M M
1/8/2010 7:00 AM 0.03 M M M M
1/9/2010 9:00 AM 0.35 M M M M
1/10/2010 7:00 AM 0.01 M M M M Actually .015
1/12/2010 7:00 AM 0.65 M M M M
1/13/2010 7:00 AM 0.67 M M M M
1/14/2010 7:00 AM 0.00 0.0 M M M trace
1/15/2010 7:00 AM 0.00 0.0 M M M
1/16/2010 7:00 AM 0.00 0.0 M M M
1/17/2010 7:00 AM 0.03 M M M M
1/18/2010 7:00 AM 0.26 M M M M
1/19/2010 7:00 AM 1.46 M M M M
1/20/2010 7:00 AM 0.71 M M M M
1/21/2010 6:30 AM 0.87 M M M M
1/22/2010 7:00 AM 0.25 M M M M
1/23/2010 7:00 AM 0.13 M M M M
1/25/2010 7:00 AM 0.12 M M M M
1/26/2010 7:00 AM 0.86 M M M M
1/27/2010 7:00 AM 0.03 M M M M
1/28/2010 7:00 AM 0.01 M M M M
1/29/2010 7:00 AM 0.00 0.0 M M M trace
1/30/2010 7:00 AM 0.46 M M M M
1/31/2010 7:00 AM 0.00 0.0 M M M
2/1/2010 7:00 AM 0.08 M M M M
2/2/2010 7:00 AM 0.08 M M M M
2/3/2010 7:00 AM 0.28 M M M M
2/4/2010 7:00 AM 0.02 M M M M
2/6/2010 7:00 AM 0.10 M M M M
2/7/2010 7:00 AM 0.25 M M M M
2/8/2010 7:00 AM 0.02 M M M M
2/9/2010 7:00 AM 0.00 0.0 M M M
2/10/2010 7:00 AM 0.00 0.0 M M M
2/11/2010 7:00 AM 0.23 M M M M
2/13/2010 7:00 AM 0.18 M M M M
2/14/2010 7:00 AM 0.35 M M M M
2/15/2010 7:00 AM 0.24 M M M M
2/16/2010 7:00 AM 0.00 0.0 M M M trace amount
2/17/2010 7:00 AM 0.00 0.0 M M M
2/18/2010 7:00 AM 0.01 M M M M The ground was very wet this morning when I went to check the gage. I was surprised there wasn't more precip collected.
2/19/2010 7:00 AM 0.01 M M M M Short period of light sprinkles yesterday
2/20/2010 7:00 AM 0.00 0.0 M M M
2/21/2010 7:00 AM 0.07 M M M M
2/22/2010 7:00 AM 0.00 0.0 M M M
2/23/2010 7:00 AM 0.02 M M M M
2/24/2010 7:00 AM 0.45 M M M M very light rain at 7am
2/25/2010 7:00 AM 0.08 M M M M
2/27/2010 7:00 AM 0.84 M M M M
2/28/2010 7:00 AM 0.02 M M M M
3/1/2010 7:00 AM 0.00 0.0 M M M
3/2/2010 7:00 AM 0.55 M M M M
3/3/2010 7:00 AM 0.74 M M M M
3/4/2010 7:00 AM 0.02 M M M M
3/5/2010 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/25/2009 11/28/2009 9:00 PM 4 0.67 M M
12/23/2009 1/02/2010 9:00 AM 11 2.75 M M Happy New Year!
1/4/2010 1/07/2010 7:00 AM 4 0.85 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