Station Overview Station Location
Station Number CO-AR-55 Latitude 39.7237
Station Name Aurora 2.9 NW Longitude -104.8568
County Arapahoe Elevation (ft) 5443



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 16 1.19 0.28 4 0.28 4 0.00 0 0 4 0 0.0 0 0
Nov 16 0.94 0.61 5 0.61 5 0.00 0 0 3 1 3.2 1 2
Dec 16 0.68 0.50 10 0.50 10 0.00 0 0 2 3 8.5 4 8
Jan 17 0.52 0.65 18 0.65 18 0.00 0 0 4 4 8.3 4 9
Feb 17 0.52 0.10 7 0.10 7 0.00 0 0 1 4 1.3 1 2
March 17 1.45 0.82 6 0.82 6 0.00 0 0 3 3 0.0 0 0
April 17 2.00 1.55 13 1.55 13 0.00 0 0 10 3 7.3 4 4
May 17 2.44 3.96 18 3.86 16 0.10 2 1 14 1 0.0 0 0
June 17 1.81 0.65 12 0.65 12 0.00 0 0 6 4 0.0 0 0
July 17 2.02 0.56 11 0.56 11 0.00 0 0 8 3 0.0 0 0
Aug 17 2.31 1.25 12 1.25 12 0.00 0 0 8 2 0.0 0 0
Sept 17 1.17 0.66 7 0.66 7 0.00 0 0 5 2 0.0 0 0
Water Year Totals: 17.05" 11.59" 123 days 11.49" 121 0.10" 2 days 1 68 days 30 days 28.6" 14 days 25 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
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016 0.08
10/7/2016 0.17
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016 0.02
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016 0.01
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016 0.39
11/19/2016 0.00
11/20/2016
11/21/2016
11/22/2016 0.04
11/23/2016 0.18
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016 T
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016 0.06
12/8/2016 T
12/9/2016
12/10/2016
12/11/2016 M
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016 0.44
12/18/2016 T
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 0.00
12/23/2016 0.00
12/24/2016
12/25/2016
12/26/2016 T
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017 T
1/5/2017 0.34
1/6/2017 0.04
1/7/2017 0.00
1/8/2017 0.00
1/9/2017 0.00
1/10/2017 0.00
1/11/2017
1/12/2017
1/13/2017 T
1/14/2017
1/15/2017
1/16/2017 0.20
1/17/2017 0.07
1/18/2017 0.00
1/19/2017 0.00
1/20/2017 0.00
1/21/2017
1/22/2017 T
1/23/2017 0.00
1/24/2017 0.00
1/25/2017 T
1/26/2017 0.00
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017 T
2/3/2017 T
2/4/2017 T
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017 0.00
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017 0.00
2/24/2017 0.10
2/25/2017 T
2/26/2017
2/27/2017
2/28/2017
3/1/2017 T
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017 T
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017 0.60
3/25/2017
3/26/2017
3/27/2017 T
3/28/2017 0.02
3/29/2017 0.20
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.11
4/2/2017 0.01
4/3/2017 0.08
4/4/2017 0.11
4/5/2017 0.15
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017 0.16
4/22/2017 0.21
4/23/2017
4/24/2017
4/25/2017 T
4/26/2017 0.08
4/27/2017 T
4/28/2017 T
4/29/2017 0.45
4/30/2017 0.19
5/1/2017 0.00
5/2/2017
5/3/2017 0.11
5/4/2017 0.17
5/5/2017
5/6/2017
5/7/2017 **
5/8/2017 0.10
5/9/2017 0.42
5/10/2017 0.01
5/11/2017 0.32
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017 0.88
5/19/2017 0.93
5/20/2017 0.06
5/21/2017
5/22/2017 0.14
5/23/2017 0.11
5/24/2017
5/25/2017
5/26/2017 0.34
5/27/2017 T
5/28/2017 0.17
5/29/2017
5/30/2017 0.19
5/31/2017 0.01
6/1/2017 T
6/2/2017 0.20
6/3/2017 0.04
6/4/2017
6/5/2017
6/6/2017 0.00
6/7/2017
6/8/2017 0.02
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017 0.00
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017 T
6/19/2017
6/20/2017
6/21/2017 0.07
6/22/2017
6/23/2017 0.07
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017 T
6/29/2017 T
6/30/2017 0.25
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017 T
7/14/2017 0.01
7/15/2017 0.19
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017 T
7/21/2017 T
7/22/2017 0.09
7/23/2017
7/24/2017
7/25/2017
7/26/2017 0.06
7/27/2017 0.12
7/28/2017
7/29/2017 0.06
7/30/2017 0.02
7/31/2017 0.01
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.11
8/4/2017 0.13
8/5/2017
8/6/2017 T
8/7/2017 0.23
8/8/2017 0.59
8/9/2017 0.01
8/10/2017 T
8/11/2017
8/12/2017
8/13/2017 0.07
8/14/2017 0.07
8/15/2017
8/16/2017 0.04
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017 T
9/15/2017
9/16/2017 T
9/17/2017 0.02
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017 0.47
9/25/2017 0.12
9/26/2017 0.03
9/27/2017 0.02
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2016 7:35 AM 0.08 M M M M Nice to see some real precip for a change.
10/7/2016 7:00 AM 0.17 M M M M
10/12/2016 7:00 AM 0.02 M M M M
10/19/2016 7:00 AM 0.01 M M M M
11/18/2016 8:10 AM 0.39 3.2 0.39 2.5 M First snow of the year! Hard surfaces had mix of snow and ice. Street was mostly icy & snowy. Max of 3-4 inches of snow on grassy areas and max of ~0.5 inches of snow on hard surfaces.
11/19/2016 7:30 AM 0.00 0.0 0.00 2.0 M Clear, sunny & cold. Calm. Street in front of house is almost entirely clear, except for very isolated patches of snow & ice.
11/22/2016 7:15 AM 0.04 M M M M No snow on the ground at obs time. Precip was just starting to transition to snow at obs time.
11/23/2016 7:00 AM 0.18 M M M M Some snow accumulated during the day on grassy areas, but melted before I could measure it. Precip amount includes melted snowfall in the funnel. Precip was measured at 4:00 PM yesterday (22nd). No snow accumulation on roads. Frost on rooftops and car windows this morning.
11/28/2016 7:00 AM T M M M M A quick shower passed through the area on Sunday morning.
12/7/2016 8:00 AM 0.06 1.0 0.06 1.0 M Light snow falling on a northerly wind at obs time. Accumulations are light.
12/8/2016 8:30 AM T 0.1 T M M Too cold for the snow which fell yesterday to melt.
12/11/2016 4:00 PM M 1.3 M M M
12/17/2016 6:40 AM 0.44 6.1 0.44 7.0 M Very light snow falling on a light northerly wind at obs time. COLD!
12/18/2016 7:00 AM T T T 5.5 M Clear, calm & very cold.
12/19/2016 6:15 AM 0.00 0.0 0.00 5.0 M Clear, calm & cold. Street in front of house is totally snowpacked. No pavement visible underneath.
12/20/2016 7:45 AM 0.00 0.0 0.00 4.0 M Mostly cloudy skies and warmer than yesterday morning. Street in front of house is still snowpacked, with no pavement visible, except for were cars were parked prior to the storm.
12/21/2016 9:20 AM 0.00 0.0 0.00 2.0 M Mostly cloudy skies with isolated patches of blue sky showing at obs time. A southerly wind. Street in front of house is a combination of slush, ice and some snow.
12/22/2016 7:10 AM 0.00 0.0 0.00 1.0 M Mostly cloudy skies and cold. Street in front of house is about 60% clear down the middle. Covered areas down the middle are icy. Mostly snowpack and ice along the sides and gutters. South sides of buildings are starting to show bare ground.
12/23/2016 7:00 AM 0.00 0.0 0.00 0.5 M Clear & calm. Street is mostly clear down the middle and icy/icy crust closer to the gutters.
12/26/2016 7:00 AM T T T T M Just a brief flurry during the late mornings hours on Christmas Day. No accumulation, not even a dusting. Very windy yesterday.
1/4/2017 8:00 AM T T T T M An uneven dusting of snow on the ground. Some parts have snow and some don't. Very cold and overcast with a very slight northerly wind.
1/5/2017 6:50 AM 0.34 4.6 0.34 5.0 M Bitter cold, with light snowfall on a light northerly wind. Overcast skies.
1/6/2017 7:00 AM 0.04 0.3 0.04 4.5 M Bitter cold, calm & clear. Everything is covered with snow. Nice to look at as long as you don't have to be out in it.
1/7/2017 7:00 AM 0.00 0.0 0.00 3.5 M Neighborhood streets snowpacked.
1/8/2017 7:00 AM 0.00 0.0 0.00 3.0 M
1/9/2017 5:00 AM 0.00 0.0 0.00 1.0 M Relatively warm & breezy for this time of day. Street in front of house is showing areas of black pavement.
1/10/2017 5:00 AM 0.00 0.0 0.00 T M A whole lot of melting going on yesterday. Street in front of house is about 60-70% clear, with ice mostly along the sides.
1/13/2017 7:00 AM T T T T M Just a light, uneven dusting of snow on the ground. Some areas have snow and others don't.
1/16/2017 7:55 AM 0.20 2.6 0.20 3.0 M Light snow falling at obs time on a northerly wind.
1/17/2017 6:55 AM 0.07 0.8 0.07 3.5 M Clear, calm & cold.
1/18/2017 7:00 AM 0.00 0.0 0.00 2.0 M Street is mostly icy & snowpacked - a tad more snowpacked, and crusty snow at that.
1/19/2017 7:00 AM 0.00 0.0 0.00 0.5 M Street in front of house is ~70% clear. The remaining ~30% is covered by mostly ice, stretching in most cases across the entire width of the road, sidewalk-to-sidewalk.
1/20/2017 7:05 AM 0.00 0.0 0.00 T M Calm & overcast. Street is mostly clear with some ice, mostly along the sides near the gutters. One or two patches of ice cover the whole width of the street.
1/22/2017 7:00 AM T T T T M A few flakes of snow in the air last night during the ~9 PM hour. If I had not seen that I would never know it had snowed.
1/23/2017 7:00 AM 0.00 0.0 0.00 T M Snow on ground is mostly in areas shaded from the sun. Isolated small patches if ice along gutters.
1/24/2017 7:00 AM 0.00 0.0 0.00 T M Still some traces of snow on north-facing areas shaded from the sun.
1/25/2017 7:00 AM T T T T M A few flakes of snow seen falling at ~8:40 PM last night. Not enough to even unevenly dust the ground. Still some older snow on north-fscing areas.
1/26/2017 7:00 AM 0.00 0.0 0.00 T M Isolated traces of snow and ice on north-facing areas. Frost on rooftops and car windshields this morning.
2/2/2017 7:00 AM T T T T M Freezing fog & drizzle during the overnight hours. Ice on street & driveway.
2/3/2017 7:00 AM T T T T M Road & driveway are icy again this morning. Yesterday's ice was gone by late afternoon,only to reform after another round of freezing fog & freezing drizzle. Looked like there was a very light coat of snow atop the ice this morning.
2/4/2017 7:00 AM T T T T M Just a very quick flurry of snow (maybe ice crystals), with very small, dusty flakes. Left a short-lived dusting of snow during the 8 PM hour. Not enough to paint things white, but that you could just barely see it on the ground.
2/12/2017 7:00 AM 0.00 0.0 0.00 0.0 M Precip missed this station yesterday/last night.
2/23/2017 7:00 AM 0.00 0.0 0.00 M M No precip here. Just mostly cloudy skies, but you can really sense the moisture in the air.
2/24/2017 9:50 AM 0.10 1.3 0.10 1.0 M Snow obs were taken at three times: yesterday at ~11:35 AM (0.4" snow, .04" SWE), yesterday at ~2:50 PM (0.5" snow, 0.04" SWE), and this morning at ~9:50 AM (0.4" snow, 0.02" SWE). Very light snow falling at obs time under overcast skies.
2/25/2017 7:00 AM T T T 0.5 M Just a few spits of snow.
3/1/2017 7:00 AM T T T T M Just a few brief flurries with no substance to them. A very slight, uneven dusting of snow on grassy areas, but not enough to measure. Some of the snow which fell earlier in the day melted. Had that not happened, there might have been some measurable snow.
3/6/2017 7:00 AM T T T M M A very slight trace of snow on the ground this morning. Street and driveway partially dampened.
3/24/2017 7:00 AM 0.60 M M M M
3/27/2017 7:00 AM T M M M M
3/28/2017 7:00 AM 0.02 0.0 0.00 M M Overcast & cool this morning.
3/29/2017 9:00 AM 0.20 M M M M Overcast, but not raining at obs time. Cold enough to see your breath.
4/1/2017 7:00 AM 0.11 M M M M
4/2/2017 7:00 AM 0.01 0.0 M M M
4/3/2017 7:00 AM 0.08 M M M M
4/4/2017 7:00 AM 0.11 0.3 0.11 0.5 M
4/5/2017 8:30 AM 0.15 0.8 0.15 0.5 M Precip measurements were taken twice - once at 10:25 AM after snow had ended, and again at 8:30 AM today. Early obs was 0.5" snow and 0.08 SWE and later obs was 0.3" snow and 0.07 SWE.
4/21/2017 6:45 AM 0.16 M M M M Partly cloudy skies & calm at obs time.
4/22/2017 10:00 AM 0.21 M M M M
4/25/2017 7:00 AM T M M M M Just a quick little shower overnight - just enough to wet the bottom of my rain gauge.
4/26/2017 7:00 AM 0.08 M M M M
4/27/2017 7:00 AM T M M M M A few raindrops felt around 3:30 PM, but not enough to even come close to dampening the street. More virga than anything else.
4/28/2017 7:00 AM T M M M M
4/29/2017 8:20 AM 0.45 3.6 0.41 3.0 M Snowing at obs time and submission time. Liq water breaks down as follows: 0.41" SWE & 0.04" rain. Approx 4" of snow on grassy areas and 2.5" of snow on concrete patio on the north (shaded) side of the house. Otherwise, streets & sidewalks are merely wet.
4/30/2017 8:20 AM 0.19 2.6 0.19 2.0 M Streets & sidewalks are dry. Snow is confined to grassy areas.
5/1/2017 7:00 AM 0.00 0.0 0.00 T M Isolated patches of snow in shaded areas.
5/3/2017 6:00 AM 0.11 0.0 0.00 0.0 M Barely a few raindrops falling at obs time. Overcast with a light wind.
5/4/2017 7:45 AM 0.17 M M M M This rain fell yesterday morning until about 12 Noon. Some frost on rooftops this morning.
5/9/2017 7:00 AM 0.42 M M M M A good steady rain last night. No hail at this location.
5/10/2017 7:00 AM 0.01 M M M M
5/11/2017 6:30 AM 0.32 M M M M Overcast & cool. No rain falling at obs time.
5/18/2017 8:25 AM 0.88 M M M M RF amount does not include a small amount of snowmelt that will occur when snow melts later today from the gauge funnel. Mix of rain & snow falling at obs time. Some later flakes of fluffy snow fell about 20 minutes earlier. Rooftops already have snow on them.
5/19/2017 7:20 AM 0.93 M M M M RF amount includes the snow in the funnel of the gauge reported in yesterday's observation. Light snow falling at obs time. Snow fell off & on yesterday and melted as rain fell on it.
5/20/2017 7:00 AM 0.06 M M M M
5/22/2017 7:00 AM 0.14 M M M M
5/23/2017 7:00 AM 0.11 M M M M
5/26/2017 7:00 AM 0.34 M M M M
5/27/2017 7:00 AM T M M M M
5/28/2017 7:00 AM 0.17 M M M M
5/30/2017 7:00 AM 0.19 M M M M
5/31/2017 7:00 AM 0.01 M M M M A quick burst of rain during the 9 PM hour last night.
6/1/2017 7:00 AM T M M M M A quick little storm blew through here during the 9 PM hour last night.
6/2/2017 7:00 AM 0.20 M M M M Small hail during this storm. See hail report.
6/3/2017 7:00 AM 0.04 M M M M
6/6/2017 7:00 AM 0.00 0.0 M M M No rain at this station, some thunder heard.
6/8/2017 7:00 AM 0.02 M M M M
6/13/2017 7:00 AM 0.00 0.0 M M M
6/18/2017 7:00 AM T M M M M A quick cooling spritz of rain during the 4 PM hour. Not enough to even fully dampen the driveway.
6/21/2017 7:00 AM 0.07 M M M M
6/23/2017 7:00 AM 0.07 M M M M
6/28/2017 7:00 AM T M M M M Just a sprinkle or two.
6/29/2017 7:00 AM T M M M M Just a few drops within a gusty outflow wind.
6/30/2017 7:00 AM 0.25 M M M M Rain fell during early morning hours ~1 AM, as thunder woke me up.
7/13/2017 7:00 AM T M M M M Just enough rain last night to unevenly dampen the driveway and that's about it.
7/14/2017 7:00 AM 0.01 M M M M
7/15/2017 7:00 AM 0.19 M M M M Finally! A delightful evening rain to cool things down a bit.
7/20/2017 7:00 AM T M M M M
7/21/2017 7:00 AM T M M M M
7/22/2017 7:00 AM 0.09 M M M M Rain came as a bonus AFTER I watered my lawn. Rain came during the late 9 PM hour.
7/26/2017 7:00 AM 0.06 M M M M
7/27/2017 7:00 AM 0.12 M M M M Very welcome rain.
7/29/2017 7:00 AM 0.06 M M M M
7/30/2017 7:00 AM 0.02 M M M M
7/31/2017 7:00 AM 0.01 M M M M
8/1/2017 7:00 AM 0.00 0.0 M M M No rain here.
8/2/2017 7:00 AM 0.00 0.0 M M M
8/3/2017 7:00 AM 0.11 M M M M
8/4/2017 7:00 AM 0.13 M M M M
8/6/2017 7:00 AM T M M M M
8/7/2017 6:50 AM 0.23 M M M M Light rain falling at obs time.
8/8/2017 6:50 AM 0.59 M M M M
8/9/2017 7:00 AM 0.01 M M M M
8/10/2017 7:00 AM T M M M M Just a few drops on the driveway.
8/13/2017 7:00 AM 0.07 M M M M
8/14/2017 7:00 AM 0.07 M M M M
8/16/2017 6:30 AM 0.04 M M M M
9/14/2017 7:00 AM T M M M M A few quick spritzes of rain yesterday afternoon. Not enough for measurable RF.
9/16/2017 7:00 AM T M M M M
9/17/2017 7:00 AM 0.02 M M M M
9/24/2017 7:00 AM 0.47 M M M M
9/25/2017 7:00 AM 0.12 M M M M
9/26/2017 7:00 AM 0.03 M M M M
9/27/2017 7:00 AM 0.02 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/7/2017 5/08/2017 7:00 AM 2 0.10 M M Wind damage at neighbor's house across the street. Wind took down a large tree. Thankfully, no injuries or fatalities. Also, no damage to cars or structures.



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
6/1/2017 3:30 PM 1/2" Grape 1/4" Pea Size Rice Hard|White Ice 5 1min no damage Intermittent True After rain After smaller hail