Station Overview Station Location
Station Number CO-LR-143 Latitude 40.7265
Station Name WEL 4.2 NW Longitude -105.076
County Larimer Elevation (ft) 5269



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 10 1.00 0.94 24 0.94 24 0.00 0 0 6 0 0.0 0 0
Nov 10 0.51 0.49 8 0.49 8 0.00 0 0 6 0 4.0 4 2
Dec 10 0.33 0.06 15 0.06 15 0.00 0 0 1 0 2.5 1 1
Jan 11 0.23 0.15 10 0.15 10 0.00 0 0 1 1 4.5 1 0
Feb 11 0.28 0.45 24 0.45 24 0.00 0 0 5 1 5.2 2 1
March 11 1.10 0.13 28 0.13 28 0.00 0 0 3 3 0.0 0 0
April 11 1.75 2.36 23 2.36 23 0.00 0 0 12 0 2.5 2 1
May 11 2.64 4.84 13 4.84 13 0.00 0 0 13 0 0.0 0 0
June 11 2.14 2.18 5 2.18 5 0.00 0 0 5 0 0.0 0 0
July 11 1.41 2.81 11 2.81 11 0.00 0 0 11 0 0.0 0 0
Aug 11 1.63 0.70 7 0.70 7 0.00 0 0 7 0 0.0 0 0
Sept 11 1.24 2.11 25 2.11 25 0.00 0 0 5 0 0.0 0 0
Water Year Totals: 14.26" 17.22" 193 days 17.22" 193 0.00" 0 days 0 75 days 5 days 18.7" 10 days 5 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
10/1/2010 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.00
10/8/2010
10/9/2010 0.06
10/10/2010
10/11/2010 0.11
10/12/2010 0.34
10/13/2010 0.03
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010
10/19/2010
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.33
10/24/2010 0.07
10/25/2010 0.00
10/26/2010
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010 0.15
11/11/2010 0.16
11/12/2010 0.05
11/13/2010
11/14/2010
11/15/2010 0.02
11/16/2010
11/17/2010 0.06
11/18/2010 0.00
11/19/2010
11/20/2010
11/21/2010
11/22/2010 0.05
11/23/2010 0.00
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010
12/12/2010 0.00
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010
12/17/2010
12/18/2010
12/19/2010
12/20/2010
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010 0.06
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011
1/10/2011 0.15
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011 T
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011
2/3/2011 0.00
2/4/2011
2/5/2011 0.00
2/6/2011 T
2/7/2011 0.00
2/8/2011 0.10
2/9/2011 0.05
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.04
2/21/2011 0.00
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.14
2/26/2011 0.12
2/27/2011 0.00
2/28/2011 0.00
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.00
3/7/2011 T
3/8/2011 T
3/9/2011 0.00
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.05
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.03
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.00
3/22/2011 0.00
3/23/2011 0.00
3/24/2011
3/25/2011 0.00
3/26/2011 0.05
3/27/2011
3/28/2011
3/29/2011 T
3/30/2011 0.00
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011
4/4/2011 0.11
4/5/2011 0.00
4/6/2011 0.00
4/7/2011
4/8/2011 0.00
4/9/2011 0.00
4/10/2011 0.14
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.69
4/15/2011 0.12
4/16/2011 0.00
4/17/2011 0.00
4/18/2011 0.04
4/19/2011 0.17
4/20/2011
4/21/2011 0.43
4/22/2011 0.12
4/23/2011
4/24/2011 0.03
4/25/2011 0.45
4/26/2011 0.02
4/27/2011 0.04
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011 0.83
5/12/2011 0.97
5/13/2011 0.03
5/14/2011
5/15/2011 0.04
5/16/2011
5/17/2011
5/18/2011 0.28
5/19/2011 1.36
5/20/2011 0.14
5/21/2011 0.38
5/22/2011
5/23/2011
5/24/2011 0.15
5/25/2011 0.10
5/26/2011
5/27/2011
5/28/2011 0.03
5/29/2011 0.44
5/30/2011 0.09
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011 0.04
6/8/2011
6/9/2011 1.57
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011 0.24
6/18/2011 0.02
6/19/2011
6/20/2011 0.31
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.13
7/2/2011 0.34
7/3/2011
7/4/2011
7/5/2011
7/6/2011 0.30
7/7/2011 0.18
7/8/2011 0.02
7/9/2011 0.06
7/10/2011
7/11/2011
7/12/2011 0.03
7/13/2011 1.26
7/14/2011 0.02
7/15/2011
7/16/2011
7/17/2011 0.06
7/18/2011
7/19/2011
7/20/2011 0.41
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011 0.07
8/5/2011
8/6/2011 0.08
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011 0.02
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011 0.31
8/18/2011
8/19/2011
8/20/2011 0.12
8/21/2011 0.05
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011 0.05
8/30/2011
8/31/2011
9/1/2011
9/2/2011 0.00
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.59
9/8/2011 0.36
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011
9/14/2011 0.22
9/15/2011 0.88
9/16/2011 0.06
9/17/2011
9/18/2011
9/19/2011 0.00
9/20/2011 0.00
9/21/2011
9/22/2011 0.00
9/23/2011 0.00
9/24/2011 0.00
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.00
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.00 0.0 M M M
10/5/2010 7:00 AM 0.00 0.0 M M M
10/6/2010 7:00 AM 0.00 0.0 M M M
10/7/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.06 M M M M
10/11/2010 7:00 AM 0.11 M M M M
10/12/2010 7:00 AM 0.34 M M M M
10/13/2010 7:30 AM 0.03 0.0 0.00 0.0 0.00
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 7:00 AM 0.33 0.0 0.00 0.0 0.00 Fell as rain, still raining at time of observation
10/24/2010 7:00 AM 0.07 M M M M
10/25/2010 7:00 AM 0.00 0.0 M M M
10/27/2010 7:00 AM 0.00 0.0 M M M
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.00 0.0 M M M
11/10/2010 7:00 AM 0.15 0.0 0.00 0.0 0.00 Precip fell as rain
11/11/2010 7:00 AM 0.16 2.0 0.16 2.0 0.16 First measurable snowfall this year. Had a trace earlier.
11/12/2010 7:00 AM 0.05 0.5 M M M
11/15/2010 7:00 AM 0.02 0.5 M M M
11/17/2010 7:00 AM 0.06 T M M M Rain, sleet and snow Tuesday afternoon.
11/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2010 7:00 AM 0.05 1.0 M 1.0 M
11/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/1/2010 7:00 AM 0.00 0.0 M M M
12/2/2010 7:00 AM 0.00 0.0 M M M
12/3/2010 7:00 AM 0.00 0.0 M M M
12/4/2010 7:00 AM 0.00 0.0 M M M
12/5/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 7:00 AM 0.00 0.0 M M M
12/7/2010 7:00 AM 0.00 0.0 M M M
12/8/2010 7:00 AM 0.00 0.0 M M M
12/9/2010 7:00 AM 0.00 0.0 M M M
12/10/2010 7:00 AM 0.00 0.0 M M M
12/12/2010 7:00 AM 0.00 0.0 M M M
12/13/2010 7:00 AM 0.00 0.0 M M M
12/14/2010 7:00 AM 0.00 0.0 M M M
12/15/2010 7:00 AM 0.00 0.0 M M M
12/31/2010 7:00 AM 0.06 2.5 M 2.5 M Readings are approx since there were strong winds first from the NE yesterday, then the N and now the NW
1/1/2011 7:00 AM 0.00 0.0 M M M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 7:00 AM 0.00 0.0 M M M
1/4/2011 7:00 AM 0.00 0.0 M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM 0.00 0.0 M M M
1/8/2011 7:00 AM 0.00 0.0 M M M
1/10/2011 7:00 AM 0.15 4.5 M M M
1/20/2011 7:00 AM T T M M M
2/3/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 7:00 AM 0.00 0.0 M M M
2/6/2011 7:00 AM T T M M M Only a trace of snow, unable to get any moisture from it at all.
2/7/2011 7:00 AM 0.00 0.0 M M M
2/8/2011 8:00 AM 0.10 M M M M Snow overnight, still snowing at 8AM.
2/9/2011 7:00 AM 0.05 0.7 M 2.0 M
2/10/2011 7:00 AM 0.00 0.0 M M M
2/11/2011 7:00 AM 0.00 0.0 M M M
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 7:00 AM 0.00 0.0 M M M
2/17/2011 7:00 AM 0.00 0.0 M M M
2/18/2011 7:00 AM 0.00 0.0 M M M
2/19/2011 7:00 AM 0.00 0.0 M M M
2/20/2011 7:00 AM 0.04 M M M M Fell as rain, froze overnight so heavy frost in all the shaded areas
2/21/2011 7:00 AM 0.00 0.0 M M M
2/22/2011 7:00 AM 0.00 0.0 M M M
2/23/2011 7:00 AM 0.00 0.0 M M M
2/24/2011 7:00 AM 0.00 0.0 M M M
2/25/2011 7:00 AM 0.14 4.5 M M M
2/26/2011 7:00 AM 0.12 M M M M Came as snow but the storm has moved out
2/27/2011 7:00 AM 0.00 0.0 M M M
2/28/2011 7:00 AM 0.00 0.0 M M M
3/1/2011 7:00 AM 0.00 0.0 M M M
3/2/2011 7:00 AM 0.00 0.0 M M M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM 0.00 0.0 M M M
3/5/2011 7:00 AM 0.00 0.0 M M M
3/6/2011 7:00 AM 0.00 0.0 M M M
3/7/2011 7:00 AM T T M M M Mix of rain, freezing drizzle and a trace of snow. Very small amount of white on the ground, spotty.
3/8/2011 7:00 AM T T M M M Very light snow and a little freezing drizzle
3/9/2011 7:00 AM 0.00 0.0 M M M
3/10/2011 7:00 AM 0.00 0.0 M M M
3/11/2011 7:00 AM 0.00 0.0 M M M
3/12/2011 7:00 AM 0.00 0.0 M M M
3/13/2011 7:00 AM 0.05 0.0 0.00 0.0 0.00
3/14/2011 7:00 AM 0.00 0.0 M M M
3/15/2011 7:00 AM 0.00 0.0 M M M
3/16/2011 7:00 AM 0.00 0.0 M M M
3/17/2011 7:00 AM 0.00 0.0 M M M
3/18/2011 7:00 AM 0.03 T M M M Fell mostly as rain but a few areas on the grass you could see a little snow for a bit.
3/19/2011 7:00 AM 0.00 0.0 M M M
3/20/2011 7:00 AM 0.00 0.0 M M M
3/21/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM 0.00 0.0 M M M
3/23/2011 7:00 AM 0.00 0.0 M M M
3/25/2011 7:00 AM 0.00 0.0 M M M
3/26/2011 8:00 AM 0.05 T M M M Sprinkles around 8:00PM, then some mixed with snow, enough to cover the hail pad but melted quickly.
3/29/2011 7:00 AM T T 0.00 0.0 0.00 Light dusting of snow yesterday AM and perhaps again overnight
3/30/2011 7:00 AM 0.00 0.0 M M M
3/31/2011 7:00 AM 0.00 0.0 M M M
4/1/2011 7:00 AM 0.00 0.0 M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 7:00 AM 0.11 T M M M Rain with a little snow mixed in
4/5/2011 7:00 AM 0.00 0.0 M M M
4/6/2011 7:00 AM 0.00 0.0 M M M
4/8/2011 7:00 AM 0.00 0.0 M M M
4/9/2011 7:00 AM 0.00 0.0 M M M
4/10/2011 7:00 AM 0.14 M M M M Nice little thunderstorm yesterday evening.
4/11/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/13/2011 7:00 AM 0.00 0.0 M M M
4/14/2011 7:00 AM 0.69 0.5 M 0.5 M Mostly rain before changing to snow this AM
4/15/2011 7:00 AM 0.12 2.0 M M M Fell mostly as snow
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 0.00 0.0 M M M
4/18/2011 7:00 AM 0.04 M M M M Rain
4/19/2011 7:00 AM 0.17 M M M M Rain
4/21/2011 7:00 AM 0.43 0.0 M 0.0 M Rain
4/22/2011 7:00 AM 0.12 0.0 0.00 0.0 0.00 In the middle of calfing and had some trouble with a young bull this AM -- called in 12 hours late
4/24/2011 7:00 AM 0.03 M M M M Drizzling at time of reading.
4/25/2011 7:00 AM 0.45 T M M M Mostly rain with intermittent spits of snow.
4/26/2011 7:00 AM 0.02 M M M M drizzle/rain
4/27/2011 7:00 AM 0.04 M M M M
5/11/2011 7:00 AM 0.83 T M M M Rain with a trace of snow
5/12/2011 7:00 AM 0.97 T M M M A trace of snow but mostly rain
5/13/2011 7:00 AM 0.03 M M M M
5/15/2011 7:00 AM 0.04 M M M M
5/18/2011 7:00 AM 0.28 M M M M
5/19/2011 7:00 AM 1.36 M M M M
5/20/2011 7:00 AM 0.14 0.0 0.00 0.0 0.00
5/21/2011 7:00 AM 0.38 0.0 0.00 0.0 0.00
5/24/2011 7:00 AM 0.15 M M M M Also some pea-sized hail.
5/25/2011 7:00 AM 0.10 M M M M Rain
5/28/2011 7:00 AM 0.03 M M M M
5/29/2011 7:00 AM 0.44 M M M M Almost 1/2 inch! Still drizzly and foggy this morning.
5/30/2011 7:00 AM 0.09 M M M M
6/7/2011 7:00 AM 0.04 M M M M Rather violent but quick downburst of rain.
6/9/2011 7:00 AM 1.57 M M M M Rain and Hail. This is the most he's recorded in a single 24-hour period in the 10 years that he's been here.
6/17/2011 7:00 AM 0.24 0.0 0.00 0.0 0.00
6/18/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00
6/20/2011 7:00 AM 0.31 M M M M Rain
7/1/2011 7:00 AM 0.13 0.0 0.00 0.0 0.00 A lot of lightning and thunder
7/2/2011 7:00 AM 0.34 0.0 0.00 0.0 0.00
7/6/2011 7:00 AM 0.30 M M M M Rain
7/7/2011 7:00 AM 0.18 0.0 0.00 0.0 0.00
7/8/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00
7/9/2011 7:00 AM 0.06 0.0 0.00 0.0 0.00
7/12/2011 7:00 AM 0.03 M M M M Rain
7/13/2011 7:00 AM 1.26 M M M M Rain!
7/14/2011 7:00 AM 0.02 M M M M
7/17/2011 7:00 AM 0.06 M M M M "Precipitation in the form of rain and a pretty wild night!"
7/20/2011 7:00 AM 0.41 M M M M Rain late afternoon and evening
8/4/2011 7:00 AM 0.07 M M M M
8/6/2011 7:00 AM 0.08 0.0 0.00 0.0 0.00 Small intense shower
8/11/2011 7:00 AM 0.02 M M M M
8/17/2011 7:00 AM 0.31 0.0 0.00 0.0 0.00
8/20/2011 7:00 AM 0.12 M M M M
8/21/2011 7:00 AM 0.05 M M M M
8/29/2011 7:00 AM 0.05 M M M M Rain
9/2/2011 7:00 AM 0.00 0.0 M M M
9/3/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 7:00 AM 0.00 0.0 M M M
9/5/2011 7:00 AM 0.00 0.0 M M M
9/6/2011 7:00 AM 0.00 0.0 M M M
9/7/2011 7:00 AM 0.59 0.0 0.00 0.0 0.00
9/8/2011 7:00 AM 0.36 0.0 0.00 0.0 0.00
9/9/2011 7:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.00 0.0 M M M
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 7:00 AM 0.00 0.0 M M M
9/14/2011 7:00 AM 0.22 M M M M Sudden cloudburst around noontime
9/15/2011 7:00 AM 0.88 M M M M Still drizzling at 7AM reading
9/16/2011 7:00 AM 0.06 M M M M
9/19/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.00 0.0 M M M
9/24/2011 7:00 AM 0.00 0.0 M M M
9/25/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM 0.00 0.0 M M M
9/28/2011 7:00 AM 0.00 0.0 M M M
9/29/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 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



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