Station Overview Station Location
Station Number WY-SW-16 Latitude 41.507156
Station Name Rock Springs 7.1 SSE Longitude -109.155392
County Sweetwater Elevation (ft) 6750



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 14 0.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 14 0.66 0.27 1 0.27 1 0.00 0 0 1 0 1.6 1 1
Dec 14 0.49 1.13 19 1.13 19 0.00 0 0 10 2 15.9 10 17
Jan 15 0.47 0.07 20 0.07 20 0.00 0 0 2 0 0.9 2 18
Feb 15 0.48 0.40 18 0.40 18 0.00 0 0 6 2 4.6 6 9
March 15 0.72 1.04 17 1.04 17 0.00 0 0 5 2 8.7 4 8
April 15 1.03 1.05 23 1.05 23 0.00 0 0 7 5 7.8 4 5
May 15 1.41 5.94 28 5.94 28 0.00 0 0 22 2 2.7 4 3
June 15 0.89 1.33 20 1.33 20 0.00 0 0 3 3 0.0 0 0
July 15 0.77 1.90 22 1.90 22 0.00 0 0 8 2 0.0 0 0
Aug 15 0.66 1.17 23 1.17 18 0.00 5 1 3 2 0.0 0 0
Sept 15 1.02 0.62 31 0.03 15 0.59 16 2 1 0 0.0 0 0
Water Year Totals: 9.55" 14.92" 222 days 14.33" 201 0.59" 21 days 3 68 days 20 days 42.2" 31 days 61 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
10/1/2014
10/2/2014
10/3/2014
10/4/2014
10/5/2014
10/6/2014
10/7/2014
10/8/2014
10/9/2014
10/10/2014
10/11/2014
10/12/2014
10/13/2014
10/14/2014
10/15/2014
10/16/2014
10/17/2014
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014
10/23/2014
10/24/2014
10/25/2014
10/26/2014
10/27/2014
10/28/2014
10/29/2014
10/30/2014
10/31/2014
11/1/2014
11/2/2014
11/3/2014
11/4/2014
11/5/2014
11/6/2014
11/7/2014
11/8/2014
11/9/2014
11/10/2014
11/11/2014
11/12/2014
11/13/2014
11/14/2014
11/15/2014
11/16/2014
11/17/2014
11/18/2014
11/19/2014
11/20/2014
11/21/2014
11/22/2014
11/23/2014 0.27
11/24/2014
11/25/2014
11/26/2014
11/27/2014
11/28/2014
11/29/2014
11/30/2014
12/1/2014
12/2/2014
12/3/2014
12/4/2014 0.10
12/5/2014
12/6/2014
12/7/2014
12/8/2014 0.00
12/9/2014
12/10/2014
12/11/2014
12/12/2014
12/13/2014
12/14/2014 0.23
12/15/2014 0.13
12/16/2014 0.00
12/17/2014 0.00
12/18/2014 0.00
12/19/2014
12/20/2014 T
12/21/2014 0.10
12/22/2014 0.02
12/23/2014 0.04
12/24/2014 0.00
12/25/2014 T
12/26/2014 0.25
12/27/2014 0.06
12/28/2014 0.04
12/29/2014 0.16
12/30/2014 0.00
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015
1/4/2015
1/5/2015 0.00
1/6/2015 0.00
1/7/2015 0.00
1/8/2015 0.00
1/9/2015
1/10/2015 0.00
1/11/2015
1/12/2015 0.03
1/13/2015
1/14/2015 0.00
1/15/2015
1/16/2015
1/17/2015 0.00
1/18/2015 0.00
1/19/2015 0.00
1/20/2015 0.00
1/21/2015 0.00
1/22/2015 0.00
1/23/2015
1/24/2015 0.00
1/25/2015
1/26/2015 0.00
1/27/2015
1/28/2015
1/29/2015 0.00
1/30/2015 0.00
1/31/2015 0.04
2/1/2015
2/2/2015
2/3/2015 0.00
2/4/2015
2/5/2015 0.00
2/6/2015
2/7/2015 0.00
2/8/2015 0.00
2/9/2015 0.00
2/10/2015 0.02
2/11/2015 0.00
2/12/2015
2/13/2015
2/14/2015 0.00
2/15/2015 0.00
2/16/2015 0.08
2/17/2015 0.00
2/18/2015
2/19/2015 0.00
2/20/2015
2/21/2015 0.03
2/22/2015 0.11
2/23/2015 T
2/24/2015
2/25/2015
2/26/2015 0.10
2/27/2015 0.06
2/28/2015 T
3/1/2015 0.05
3/2/2015 T
3/3/2015 0.35
3/4/2015 0.49
3/5/2015 0.00
3/6/2015 0.00
3/7/2015 0.00
3/8/2015 0.00
3/9/2015
3/10/2015
3/11/2015
3/12/2015
3/13/2015 T
3/14/2015 0.00
3/15/2015
3/16/2015 0.00
3/17/2015
3/18/2015
3/19/2015
3/20/2015
3/21/2015
3/22/2015
3/23/2015
3/24/2015 0.13
3/25/2015 0.02
3/26/2015 0.00
3/27/2015
3/28/2015
3/29/2015 0.00
3/30/2015 0.00
3/31/2015 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2015
4/2/2015 0.00
4/3/2015 T
4/4/2015 0.00
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 T
4/8/2015 0.00
4/9/2015 0.13
4/10/2015
4/11/2015
4/12/2015
4/13/2015 0.00
4/14/2015
4/15/2015 0.16
4/16/2015 0.29
4/17/2015 0.18
4/18/2015 0.07
4/19/2015 T
4/20/2015 T
4/21/2015 T
4/22/2015 0.00
4/23/2015 0.00
4/24/2015
4/25/2015 0.09
4/26/2015 0.00
4/27/2015 0.13
4/28/2015 0.00
4/29/2015
4/30/2015 0.00
5/1/2015 0.00
5/2/2015
5/3/2015 0.08
5/4/2015 0.07
5/5/2015 0.00
5/6/2015 T
5/7/2015 0.09
5/8/2015 0.27
5/9/2015 0.68
5/10/2015 0.04
5/11/2015 0.03
5/12/2015 0.00
5/13/2015
5/14/2015 T
5/15/2015 0.21
5/16/2015 0.04
5/17/2015 0.05
5/18/2015 0.02
5/19/2015 1.11
5/20/2015 0.62
5/21/2015 0.18
5/22/2015 0.18
5/23/2015 0.24
5/24/2015 0.58
5/25/2015 0.51
5/26/2015 0.07
5/27/2015 0.11
5/28/2015 0.63
5/29/2015 0.13
5/30/2015 0.00
5/31/2015
6/1/2015 T
6/2/2015 T
6/3/2015
6/4/2015
6/5/2015 0.00
6/6/2015 0.00
6/7/2015 0.00
6/8/2015 0.00
6/9/2015
6/10/2015 T
6/11/2015 0.10
6/12/2015 0.12
6/13/2015 0.00
6/14/2015
6/15/2015
6/16/2015 1.11
6/17/2015 0.00
6/18/2015
6/19/2015 0.00
6/20/2015 0.00
6/21/2015 0.00
6/22/2015
6/23/2015 0.00
6/24/2015
6/25/2015 0.00
6/26/2015
6/27/2015
6/28/2015 0.00
6/29/2015 0.00
6/30/2015 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2015
7/2/2015
7/3/2015 0.00
7/4/2015 T
7/5/2015
7/6/2015 0.24
7/7/2015 0.42
7/8/2015 0.56
7/9/2015 0.08
7/10/2015
7/11/2015 0.18
7/12/2015 0.00
7/13/2015 0.00
7/14/2015 0.00
7/15/2015
7/16/2015 0.06
7/17/2015 0.20
7/18/2015 0.16
7/19/2015 T
7/20/2015 0.00
7/21/2015
7/22/2015
7/23/2015 0.00
7/24/2015 0.00
7/25/2015
7/26/2015 0.00
7/27/2015 0.00
7/28/2015 0.00
7/29/2015 0.00
7/30/2015 0.00
7/31/2015
8/1/2015
8/2/2015 0.00
8/3/2015 0.00
8/4/2015 0.16
8/5/2015 0.00
8/6/2015 T
8/7/2015
8/8/2015 T
8/9/2015
8/10/2015
8/11/2015
8/12/2015
8/13/2015
8/14/2015 **
8/15/2015 **
8/16/2015 **
8/17/2015 **
8/18/2015 0.00
8/19/2015 0.00
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.00
8/24/2015 0.00
8/25/2015 0.00
8/26/2015
8/27/2015 0.10
8/28/2015 0.00
8/29/2015 0.00
8/30/2015 0.00
8/31/2015 0.91
9/1/2015 0.00
9/2/2015 0.00
9/3/2015 0.00
9/4/2015 0.00 **
9/5/2015 **
9/6/2015 0.11
9/7/2015 0.00
9/8/2015 0.00
9/9/2015 0.00 **
9/10/2015 **
9/11/2015 **
9/12/2015 **
9/13/2015 **
9/14/2015 **
9/15/2015 **
9/16/2015 **
9/17/2015 **
9/18/2015 **
9/19/2015 **
9/20/2015 **
9/21/2015 0.48
9/22/2015 0.00
9/23/2015
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 0.00
9/28/2015 0.00
9/29/2015 0.03
9/30/2015 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/23/2014 8:00 AM 0.27 1.6 0.27 1.6 M
12/4/2014 8:00 AM 0.10 T 0.10 T M Snow began @ 10:10AM, continued until 1:20PM, accumulation of .75" snow at a temperature of 30F. Afternoon temps rose to 36F and most of the snow melted. Very lite SW wind.
12/8/2014 8:00 AM 0.00 0.0 M 0.0 M High: 41F, Low: 23F, very little wind (<5mph).
12/14/2014 8:00 AM 0.23 2.6 0.23 2.6 M Lite snow from 9:PM until 8:AM and Still snowing. Little wind, but there are 8-10" drifts. 26F.
12/15/2014 8:00 AM 0.13 1.6 0.13 4.0 M New snowfall is an estimate as the wind blew most of the night while snowing lightly. Drifts to 12" and +12F @ 0700AM. Generally 2-5" snow on the level.
12/16/2014 8:00 AM 0.00 0.0 0.00 3.5 M 12F @ 0700AM, chilly with frost.
12/17/2014 8:00 AM 0.00 0.0 0.00 3.0 M +5F @ 0600AM, Fog (visibility 1/4 mile) and everything frosty.
12/18/2014 8:00 AM 0.00 0.0 0.00 3.0 M 16F @ 0700, High 29F.
12/20/2014 8:00 AM T T 0.00 2.5 M
12/21/2014 8:00 AM 0.10 0.9 0.10 3.0 M Light wet snow all night with 31F and 20 mph wind. Makes good snowmen and snowballs!
12/22/2014 8:00 AM 0.02 0.3 0.02 2.5 M
12/23/2014 8:00 AM 0.04 0.3 0.04 2.5 M Light overnight snow.
12/24/2014 8:00 AM 0.00 0.0 M 2.0 M
12/25/2014 8:00 AM T 0.3 T 2.5 M 22F @ 0200AM with heavy clouds. By 0800AM 0.3" of fairly dry snow, 25F and no wind.
12/26/2014 8:00 AM 0.25 5.5 0.25 8.5 M Light to moderate snowfall for the past 24 hours with winds to 40 mph. Snow total is a guess, since there are 18" drifts and nearly bare spots. Gauge had about 5.5" with .25" precip.
12/27/2014 8:00 AM 0.06 1.7 0.06 7.0 M Snowed part of yesterday and overnight, dry with 20mph wind. +2F @ 0800AM with west wind.
12/28/2014 8:00 AM 0.04 0.4 0.04 80.0 M 12F @ 0700AM. Snowed o.4" between 12:30AM and 0430AM. West wind @ 15 mph.
12/29/2014 8:00 AM 0.16 2.3 0.16 7.0 1.33 pretty much continuous light snow with 8F @ 0800AM. Drifts to 22", east wind at 30 mph. Snow is setteling and crusting.
12/30/2014 8:00 AM 0.00 0.0 0.00 7.0 M High:6F @ 1100AM, Lo: -16F @ 0700AM East wind at 15 mph.
12/31/2014 8:00 AM 0.00 0.0 0.00 8.0 M Low -25F, High -10F, West wind @ 15 mph. Snow is repositioning and crusting.
1/1/2015 8:00 AM 0.00 0.0 0.00 7.5 M Low: -27F, High -8F. Little wind. 16" drifts behind snow fences.
1/2/2015 8:00 AM 0.00 0.0 0.00 7.0 M -8f early thursday AM. Went up to 10f and stayed at 10F all day. 15-20 mph west wind. Drifted crusted snow.
1/5/2015 8:00 AM 0.00 0.0 0.00 5.0 M
1/6/2015 8:00 AM 0.00 0.0 0.00 4.0 M Very windy!
1/7/2015 8:00 AM 0.00 0.0 0.00 4.0 M Warm to 40F, slight wind and melting snow.
1/8/2015 8:00 AM 0.00 0.0 0.00 2.0 M
1/10/2015 8:00 AM 0.00 0.0 0.00 2.0 M
1/12/2015 8:00 AM 0.03 0.5 0.03 1.0 M Light, fluffy snow from 11:15PM until 12:10AM. No wind!
1/14/2015 8:00 AM 0.00 0.0 0.00 1.0 M High 33F, low 19F, Heavy fog from 11:30PM.
1/17/2015 8:00 AM 0.00 0.0 0.00 0.5 0.00 Very Breezy! Crusty snow drifts to 12", 30% bare ground.
1/18/2015 8:00 AM 0.00 0.0 0.00 0.5 M High: 37F, Low: 24F, windy!
1/19/2015 8:00 AM 0.00 0.0 0.00 0.5 M High: 40F, Low: 27F, breezy.
1/20/2015 8:00 AM 0.00 0.0 0.00 0.5 M Low: 12F, High: 37F, windy.
1/21/2015 8:00 AM 0.00 0.0 0.00 0.5 M High: 26F, Low: 9F,very lite wind.
1/22/2015 8:00 AM 0.00 0.0 0.00 0.5 M Low: 7F, High: 18F, moderate frost and no wind.
1/24/2015 8:00 AM 0.00 0.0 0.00 0.5 M High 29F, low 16F, windy! 12-18" snow drifts behind trees and snow fences. 50% bare ground.
1/26/2015 8:00 AM 0.00 0.0 0.00 0.5 M High: 40F, Low:30F and sunny @ 700AM.
1/29/2015 8:00 AM 0.00 0.0 0.00 T M Drifts in the yard, borrow ditches and under shade. Nice day with little wind!
1/30/2015 8:00 AM 0.00 0.0 0.00 T M
1/31/2015 8:00 AM 0.04 0.4 0.04 0.5 M Light snow evening and overnight. Little wind.
2/3/2015 8:00 AM 0.00 0.0 0.00 0.0 M Windy
2/5/2015 8:00 AM 0.00 0.0 0.00 T M Hi: 42F, Low: 24F@0600AM, breezy.
2/7/2015 8:00 AM 0.00 0.0 0.00 T M high:62F, Low 28F.
2/8/2015 8:00 AM 0.00 0.0 0.00 T M Sunny and very windy. High: 62F, Low: 29F.
2/9/2015 8:00 AM 0.00 0.0 0.00 T M High: 53F, Low: 24F Frosty AM.
2/10/2015 8:00 AM 0.02 0.3 0.20 0.3 M Light over night sleet and snow, 24F @ 0600AM. Windy during the day.
2/11/2015 8:00 AM 0.00 0.0 0.00 T M High: 40F, Low 19F, moderate frost.
2/14/2015 8:00 AM 0.00 0.0 0.00 T M Low: 25F, High 61F, light NW wind @ 8 mph.
2/15/2015 8:00 AM 0.00 0.0 0.00 T M Sunny skies and 59F with little wind. 28F @ 0630 AM.
2/16/2015 8:00 AM 0.08 0.8 0.08 1.0 M Wet snow with east wind. 19F @ 0700AM.
2/17/2015 8:00 AM 0.00 0.0 0.00 0.5 M High: 21F, Low: 9F @ 0600 AM. Heavy frost W/90% snow cover and slight breeze out of the east.
2/19/2015 8:00 AM 0.00 0.0 0.00 T M High: 41F, Low: 29F, SW wind @ 25.
2/21/2015 8:00 AM 0.03 0.4 0.03 0.5 M High: 37F, Low: 21F, Rain, sleet, snow. SW wind @ 25-30 mph afternoon, changing to N after midnight.
2/22/2015 8:00 AM 0.11 1.2 0.11 1.5 M Low: +0F @ 0700AM, High 26F w/east wind @ 25 mph.
2/23/2015 8:00 AM T T T 1.0 M Low: -9F, High: 12F, NE wind 12-18 mph.
2/26/2015 8:00 AM 0.10 1.2 0.10 1.5 M Low: +6F, High 30F, slight east wind, foggy AM.
2/27/2015 8:00 AM 0.06 0.7 0.60 1.0 M High: 22F, Low -1F @ 0530AM, snowed all day, little NE wind.
2/28/2015 8:00 AM T T 0.00 1.0 M Low: -1F, High:24F, breezy, East @ 25.
3/1/2015 8:00 AM 0.05 0.7 0.05 1.0 M Light snow evening until 1AM, with 25 mph NE wind. Low: 4F, High: 21F.
3/2/2015 8:00 AM T T T 0.5 M High: 29F, Low: 22F @ 0600AM. Light snow began prior to 8AM. No wind!
3/3/2015 8:00 AM 0.35 2.7 0.35 3.0 M Wet snow most of yesterday, melting and stacking up to 3" by 11PM. High wind @ 11:40PM with 200 ft visibility and drifting. Drifts to 16". Light snow @ 8AM. High: 32F, Low: 14F @ 8AM. Snow and ice total precip is an average from two samples in yard. Gauge frozen down.
3/4/2015 8:00 AM 0.49 5.0 0.49 7.5 0.81 Fairly wet snow most of the day, 1/2" overnight. -1F @ 1:00AM, NE wind @ 5-10 mph.
3/5/2015 8:00 AM 0.00 0.0 0.00 40.0 M High: 22F, Low: 9F. Windy after 1AM.
3/6/2015 8:00 AM 0.00 0.0 0.00 3.0 M High: 27F, Low: 10F @ 0500AM. Breezy.
3/7/2015 8:00 AM 0.00 0.0 0.00 1.0 M
3/8/2015 8:00 AM 0.00 0.0 0.00 T M High: 48F, Low: 19F, mostly calm and sunny.
3/13/2015 8:00 AM T T 0.00 T M Sprinkles a few times in the day and evening.
3/14/2015 8:00 AM 0.00 0.0 0.00 T M High: 53F, Low: 21F. SE Wind @ 15 mph.Sunny.Residual snow drifts in shaded areas.
3/16/2015 8:00 AM 0.00 0.0 0.00 T M Sunny, windless day, high: 57F, low: 36F.
3/24/2015 8:00 AM 0.13 0.0 0.00 T M Light drizzle and occasional sleet showers.
3/25/2015 8:00 AM 0.02 0.3 0.02 0.3 M Snow @ 11:30PM, ended sometime prior to 2:30AM. Breezy.
3/26/2015 8:00 AM 0.00 0.0 0.00 T M High: 43F, Low: 23F, W/NW, breeze 15-25 mph.
3/29/2015 8:00 AM 0.00 0.0 0.00 0.0 M WINDY!
3/30/2015 8:00 AM 0.00 0.0 0.00 0.0 M
3/31/2015 8:00 AM 0.00 0.0 0.00 0.0 M 22F @ 0600AM, High: 62F, sunny.
4/2/2015 8:00 AM 0.00 0.0 0.00 0.0 M Windy. High: 54F, Low: 24F.
4/3/2015 8:00 AM T T T 0.0 M Snow fluries all day, but evaporated once on the ground. High: 32F, Low: 15F @0600AM.
4/4/2015 8:00 AM 0.00 0.0 0.00 0.0 M
4/5/2015 8:00 AM 0.00 0.0 0.00 0.0 M Hight: 55F, Low 28F.
4/6/2015 8:00 AM 0.00 0.0 0.00 0.0 M High: 58F, Low: 28F, breezy yesterday, but with moderate frost this AM.
4/7/2015 8:00 AM T T T T M High: 45F, Low: 27F Light snow @11:00 PM.
4/8/2015 8:00 AM 0.00 0.0 0.00 0.0 M Breezy, 27F @ 0600AM.
4/9/2015 8:00 AM 0.13 1.3 0.13 1.5 M Snowed lightly most of day beginning @ 11AM. Thunder until 2PM. Wet, sticky snow. High 34F, Low 24F,
4/13/2015 8:00 AM 0.00 0.0 0.00 0.0 M Temperature only into the 40's, very windy. 27F overnight.
4/15/2015 8:00 AM 0.16 0.8 0.16 1.0 M More precipitation than reported, as high wind had laid 1 1/2-2" of ice and snow on side of gauge. Only 1" of ice and snow in gauge, Wind to 55 mph.
4/16/2015 8:00 AM 0.29 3.2 0.29 3.0 M snowed on and off all day, fairly heaavy in the evening. VERY WINDY, West, shifting to the Northeast by morning. Chilly 21F @ 0600AM.
4/17/2015 8:00 AM 0.18 2.5 0.18 3.0 M Strong east wind to 45 mph. Snowed all day and part of the night. Low: 27F, High: 34F.
4/18/2015 8:00 AM 0.07 T 0.07 0.5 M
4/19/2015 8:00 AM T 0.0 0.00 T M Several brief morning showeres. Wind West changing overnight to East/Northeast. High: 53F, Low: 30F. A little residual snow beneath trees and shrubs.
4/20/2015 8:00 AM T 0.0 0.00 T M Overnight showers, mostly overcast and cool. High: 45F, Low: 26F
4/21/2015 8:00 AM T 0.0 0.00 T M A few brief afternoon sprinlkes. High: 52F, Low: 27F.
4/22/2015 8:00 AM 0.00 0.0 0.00 0.0 M
4/23/2015 8:00 AM 0.00 0.0 0.00 0.0 M
4/25/2015 8:00 AM 0.09 0.0 0.00 0.0 M Late afternoon showers.
4/26/2015 8:00 AM 0.00 0.0 0.00 0.0 M Beautiful sunny spring morning, High:56F, Low: 40F.
4/27/2015 8:00 AM 0.13 0.0 0.00 0.0 M Light to heavy drizzle beginning about 8 PM lasting until 7 AM, Low: 30F, High: 54F.
4/28/2015 8:00 AM 0.00 0.0 0.00 0.0 M High: 48F, Low: 24F @ 0600AM. Moderate frost!
4/30/2015 8:00 AM 0.00 0.0 0.00 0.0 M
5/1/2015 8:00 AM 0.00 0.0 0.00 0.0 M
5/3/2015 8:00 AM 0.08 0.0 0.00 0.0 M A few early evening showers. Sprinlkes @ 0715AM today.
5/4/2015 8:00 AM 0.07 0.0 0.00 0.0 M
5/5/2015 8:00 AM 0.00 0.0 0.00 0.0 M 28F @ 0530AM, moderate frost.
5/6/2015 8:00 AM T 0.0 0.00 0.0 M
5/7/2015 8:00 AM 0.09 0.0 0.00 M M On and off showers with some sleet. 34F @ 0500AM, wind E @ 12.
5/8/2015 8:00 AM 0.27 0.0 0.00 0.0 M Ground was white with marble to pea size hail in the mid-afternoon. Low 31F.
5/9/2015 8:00 AM 0.68 0.7 0.68 0.7 M Early evening rain changing to wet snow after midnight. Slight East/Southeast wind @ 12 mph.
5/10/2015 8:00 AM 0.04 0.5 0.04 0.5 M
5/11/2015 8:00 AM 0.03 T T T M
5/12/2015 8:00 AM 0.00 0.0 0.00 0.0 M High: 57F, Low: 30F, South wind @ 15-20 mph.
5/14/2015 8:00 AM T 0.0 0.00 0.0 M A few light showers, nothing in gauge.
5/15/2015 8:00 AM 0.21 0.0 0.00 0.0 M South/Southeast wind @30 mph. Early evening rain with noisy thunderstorm after midnight.
5/16/2015 8:00 AM 0.04 0.0 0.00 0.0 M High: 47F, Low: 30F, windy.
5/17/2015 8:00 AM 0.05 0.0 0.00 0.0 M A few pea size hail in the afternoon. High:53F, Low: 33F.
5/18/2015 8:00 AM 0.02 0.0 0.00 0.0 M Morning shower of 17 minute duration. 36F @ 0600AM, high yesterday:48F.
5/19/2015 8:00 AM 1.11 T T T M High 50F, Low: 33F. Steady slow rain from mid-afternoon, light snow early AM, back to rain by 0800 AM. Peas size hail briefly. Hail to 3"deep, 10 miles SE of Rock Springs, Aspen Mountain is white.
5/20/2015 8:00 AM 0.62 1.0 M 0.0 M Rain and snow alll day ending @ 1450PM. 30F @ 0600 with light snow. Snowed heavy late morning, melted by 1530(PM). High yesterday 41F.
5/21/2015 8:00 AM 0.18 0.0 0.00 0.0 M Zero visibility, heavy fog. Rain sometime after midnight, Low:37F, High: 50F.
5/22/2015 8:00 AM 0.18 0.0 M 0.0 M
5/23/2015 8:00 AM 0.24 0.0 M 0.0 M
5/24/2015 8:00 AM 0.58 0.5 M 0.5 M Downpour from 0430AM until about 0515AM. Morning fog, then snowfall from 0730AM and continuing at 30F. Wet snow (slush) accumulation of about 1/2 inch.
5/25/2015 8:00 AM 0.51 T M T M Snow then rain, drizzle, rain. 39F @ 0600AM
5/26/2015 8:00 AM 0.07 0.0 M 0.0 M 15 minutes of pea size hail. Morning fog.
5/27/2015 8:00 AM 0.11 0.0 M 0.0 M 1/2" of pea size hail with an afternoon thunderstorm.
5/28/2015 8:00 AM 0.63 0.0 M 0.0 M Strong thunderstorm at 3:05PM, with 1/2 to 3/4 inches of pea size hail. Storm ended at 3:35PM.
5/29/2015 8:00 AM 0.13 0.0 M 0.0 M Several afternoon showers with pea size hail.
5/30/2015 8:00 AM 0.00 0.0 M 0.0 M
6/1/2015 8:00 AM T 0.0 M 0.0 M
6/2/2015 8:00 AM T 0.0 M 0.0 M
6/5/2015 8:00 AM 0.00 0.0 M 0.0 M
6/6/2015 8:00 AM 0.00 0.0 M 0.0 M
6/7/2015 8:00 AM 0.00 0.0 M 0.0 M
6/8/2015 8:00 AM 0.00 0.0 M 0.0 M
6/10/2015 8:00 AM T 0.0 M 0.0 M
6/11/2015 8:00 AM 0.10 0.0 M 0.0 M
6/12/2015 8:00 AM 0.12 0.0 M 0.0 M
6/13/2015 8:00 AM 0.00 0.0 M 0.0 M
6/16/2015 8:00 AM 1.11 0.0 M 0.0 M Strong afternoon storm. 3:21PM- pea-size hail, 3:24: marble-size hail to 3.32PM, then back to small hail until 3:40. 3" to 5" of hail still along buildings at 7:30PM. Heavy damage to trees, shrubs and other vegetation.
6/17/2015 8:00 AM 0.00 0.0 M 0.0 M Heavy morning dew.
6/19/2015 8:00 AM 0.00 0.0 M 0.0 M
6/20/2015 8:00 AM 0.00 0.0 M 0.0 M
6/21/2015 8:00 AM 0.00 0.0 M 0.0 M
6/23/2015 8:00 AM 0.00 0.0 M 0.0 M
6/25/2015 8:00 AM 0.00 0.0 M 0.0 M Breezy
6/28/2015 8:00 AM 0.00 0.0 M 0.0 M 84F, dry w/ little breeze.
6/29/2015 8:00 AM 0.00 0.0 M 0.0 M 90F with gusty late afternoon winds,
6/30/2015 8:00 AM 0.00 0.0 M 0.0 M 89F yesterday, only down to 63F at daybreak.
7/3/2015 8:00 AM 0.00 0.0 M 0.0 M
7/4/2015 8:00 AM T 0.0 M 0.0 M
7/6/2015 8:00 AM 0.24 0.0 M 0.0 M
7/7/2015 8:00 AM 0.42 0.0 M 0.0 M Nice afternoon shower with no runoff. 49F this AM.
7/8/2015 8:00 AM 0.56 0.0 M 0.0 M Nice afternoon shower with no runoff.
7/9/2015 8:00 AM 0.08 0.0 M 0.0 M
7/11/2015 8:00 AM 0.18 0.0 M 0.0 M Nice 1:00PM shower, cool with 47F @ 0530AM.
7/12/2015 8:00 AM 0.00 0.0 M 0.0 M Breezy but cool. 52F @ 0600AM
7/13/2015 8:00 AM 0.00 0.0 M 0.0 M 56F @ 5:30AM,high: 80F, breezy.
7/14/2015 8:00 AM 0.00 0.0 M 0.0 M
7/16/2015 8:00 AM 0.06 0.0 M 0.0 M Strong afternoon storms with winds to 45 mph. Several brief showers, but little precipitation. Low: 45F @ 0530AM.
7/17/2015 8:00 AM 0.20 0.0 M 0.0 M Chilly 43F this AM. On and off showers all afternoon with lightning and high winds.
7/18/2015 8:00 AM 0.16 0.0 M 0.0 M Thunderstorms and windy
7/19/2015 8:00 AM T 0.0 M 0.0 M
7/20/2015 8:00 AM 0.00 0.0 M 0.0 M Breezy and cool.
7/23/2015 8:00 AM 0.00 0.0 M 0.0 M
7/24/2015 8:00 AM 0.00 0.0 M 0.0 M
7/26/2015 8:00 AM 0.00 0.0 M 0.0 M High: 81F, Low: 54F, light south breeze.
7/27/2015 8:00 AM 0.00 0.0 M 0.0 M
7/28/2015 8:00 AM 0.00 0.0 M 0.0 M High:72F, Low: 40F, Strong mid-day winds to 50 mph.
7/29/2015 8:00 AM 0.00 0.0 M 0.0 M Light frost this AM with 32F.
7/30/2015 8:00 AM 0.00 0.0 M 0.0 M
8/2/2015 8:00 AM 0.00 0.0 M 0.0 M Hi:84F, Low:47F
8/3/2015 8:00 AM 0.00 0.0 M 0.0 M
8/4/2015 8:00 AM 0.16 0.0 M 0.0 M Intermittent light showers all day, cool and breezy.
8/5/2015 8:00 AM 0.00 0.0 M 0.0 M
8/6/2015 8:00 AM T 0.0 M 0.0 M Several passing storms with strong wind left the sidewalk wet.
8/8/2015 8:00 AM T 0.0 M 0.0 M
8/19/2015 8:00 AM 0.00 0.0 M 0.0 M Very windy!
8/20/2015 8:00 AM 0.00 0.0 M 0.0 M breezy
8/21/2015 8:00 AM 0.00 0.0 M 0.0 M Wind changed directions all day coming out of all azimuths. Could no longer see the mountain three miles away because of smoke.
8/22/2015 8:00 AM 0.00 0.0 M 0.0 M Windy with afternoon gusts to 40mph.
8/23/2015 8:00 AM 0.00 0.0 M 0.0 M High: 78F, Low:? ice in dog pan! Breezy w/moderate smoke.
8/24/2015 8:00 AM 0.00 0.0 M 0.0 M High:73F, Low:44F, not so breezy, less smoke than previous days.
8/25/2015 8:00 AM 0.00 0.0 M 0.0 M
8/27/2015 8:00 AM 0.10 0.0 M 0.0 M 53F@ 0800AM with 14 mph SW breeze.
8/28/2015 8:00 AM 0.00 0.0 M 0.0 M Overcast and breezy. No precipitation.
8/29/2015 8:00 AM 0.00 0.0 M 0.0 M
8/30/2015 8:00 AM 0.00 0.0 M 0.0 M High: 86F, Low:61F @ 6:00AM. Nice day with little wind and partly overcast.
8/31/2015 8:00 AM 0.91 0.0 M 0.0 M Very severe afternoon storm with 40-50+ mph wind. heavy hail storm to 3/4" depth (Pea to marble size). Drifts lasted past @ 0700 AM Monday. Flagpole broken off, paint peeled from out-buildings, ripped shingles from west eave of house. Visibility under 200 ft. Normally dry shallow drainage ran 10-18" deep and 50-80 feet wide until after 4:30 PM. Storm event lasted only 18-20 minutes.
9/1/2015 8:00 AM 0.00 0.0 M 0.0 M High: 74F, Low:51F
9/2/2015 8:00 AM 0.00 0.0 M 0.0 M
9/3/2015 8:00 AM 0.00 0.0 M 0.0 M High:75F, Low: 61F, partly overcast.
9/4/2015 8:00 AM 0.00 0.0 M 0.0 M
9/7/2015 8:00 AM 0.00 0.0 M 0.0 M
9/8/2015 8:00 AM 0.00 0.0 M 0.0 M
9/9/2015 8:00 AM 0.00 0.0 M 0.0 M Windy!
9/22/2015 8:00 AM 0.00 0.0 M 0.0 M
9/24/2015 8:00 AM 0.00 0.0 M 0.0 M
9/25/2015 8:00 AM 0.00 0.0 M 0.0 M
9/26/2015 8:00 AM 0.00 0.0 M 0.0 M
9/27/2015 8:00 AM 0.00 0.0 M 0.0 M
9/28/2015 8:00 AM 0.00 0.0 M 0.0 M
9/29/2015 8:00 AM 0.03 0.0 M 0.0 M Brief late morning shower. 41F @ 0630 this AM with clear sky.
9/30/2015 8:00 AM 0.00 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
8/14/2015 8/18/2015 8:00 AM 5 0.00 0.0 0.00 Neighbor reported a few drops with no accumulation. Several very windy days.
9/4/2015 9/06/2015 4:00 PM 3 0.11 0.0 M Rain probably fell on Friday late afternoon.
9/9/2015 9/21/2015 10:00 AM 13 0.48 0.0 0.00



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