Station Overview Station Location
Station Number SD-PN-2 Latitude 44.0886
Station Name Rapid City 3.4 WNW Longitude -103.2997
County Pennington Elevation (ft) 3474



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 11 1.40 0.87 31 0.87 31 0.00 0 0 8 5 0.0 0 0
Nov 11 0.50 0.89 30 0.89 30 0.00 0 0 5 4 9.5 2 5
Dec 11 0.26 0.67 31 0.67 31 0.00 0 0 7 3 5.5 5 13
Jan 12 0.27 0.61 31 0.61 31 0.00 0 0 10 4 3.0 8 4
Feb 12 0.33 0.71 29 0.71 29 0.00 0 0 11 3 5.4 10 7
March 12 0.89 0.15 31 0.15 31 0.00 0 0 2 2 0.0 0 0
April 12 1.85 2.34 30 2.34 30 0.00 0 0 9 2 0.0 0 0
May 12 3.93 2.22 31 2.22 31 0.00 0 0 11 2 0.0 0 0
June 12 2.76 1.74 30 1.74 30 0.00 0 0 10 5 0.0 0 0
July 12 2.54 1.46 31 1.46 31 0.00 0 0 13 2 0.0 0 0
Aug 12 2.02 0.41 31 0.41 31 0.00 0 0 5 1 0.0 0 0
Sept 12 1.48 0.04 30 0.04 30 0.00 0 0 2 2 0.0 0 0
Water Year Totals: 18.23" 12.11" 366 days 12.11" 366 0.00" 0 days 0 93 days 35 days 23.4" 25 days 29 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
10/1/2011 0.00
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.35
10/8/2011 T
10/9/2011 0.21
10/10/2011 0.01
10/11/2011 T
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.20
10/18/2011 0.02
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 T
10/23/2011 0.02
10/24/2011 T
10/25/2011 0.00
10/26/2011 0.05
10/27/2011 0.01
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 T
10/31/2011 0.00
11/1/2011 T
11/2/2011 0.05
11/3/2011 0.00
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 0.00
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 T
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 0.04
11/14/2011 0.00
11/15/2011 T
11/16/2011 0.00
11/17/2011 T
11/18/2011 0.00
11/19/2011 0.66
11/20/2011 0.13
11/21/2011 0.00
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.01
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.28
12/2/2011 0.00
12/3/2011 0.00
12/4/2011 0.00
12/5/2011 0.01
12/6/2011 0.00
12/7/2011 0.00
12/8/2011 0.04
12/9/2011 0.03
12/10/2011 T
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 T
12/14/2011 0.00
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 0.00
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 0.00
12/21/2011 T
12/22/2011 0.27
12/23/2011 0.00
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 0.02
12/31/2011 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.11
1/2/2012 0.00
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.07
1/12/2012 T
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.04
1/18/2012 0.00
1/19/2012 T
1/20/2012 T
1/21/2012 0.01
1/22/2012 0.18
1/23/2012 0.02
1/24/2012 0.05
1/25/2012 0.04
1/26/2012 0.07
1/27/2012 T
1/28/2012 0.02
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.00
2/4/2012 0.00
2/5/2012 0.00
2/6/2012 0.00
2/7/2012 0.06
2/8/2012 0.02
2/9/2012 0.00
2/10/2012 0.01
2/11/2012 0.01
2/12/2012 0.00
2/13/2012 0.00
2/14/2012 T
2/15/2012 0.03
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.07
2/21/2012 0.00
2/22/2012 T
2/23/2012 0.17
2/24/2012 0.11
2/25/2012 0.05
2/26/2012 0.03
2/27/2012 T
2/28/2012 0.00
2/29/2012 0.15
3/1/2012 0.00
3/2/2012 0.00
3/3/2012 T
3/4/2012 T
3/5/2012 0.03
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012 0.00
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 0.00
3/20/2012 0.00
3/21/2012 0.00
3/22/2012 0.00
3/23/2012 0.00
3/24/2012 0.00
3/25/2012 0.00
3/26/2012 0.00
3/27/2012 0.12
3/28/2012 0.00
3/29/2012 0.00
3/30/2012 0.00
3/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.00
4/2/2012 0.00
4/3/2012 T
4/4/2012 0.00
4/5/2012 0.00
4/6/2012 0.00
4/7/2012 0.08
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.00
4/13/2012 0.00
4/14/2012 T
4/15/2012 0.98
4/16/2012 0.44
4/17/2012 0.00
4/18/2012 0.13
4/19/2012 0.02
4/20/2012 0.01
4/21/2012 0.00
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.01
4/26/2012 0.00
4/27/2012 0.25
4/28/2012 0.42
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.12
5/3/2012 0.03
5/4/2012 0.00
5/5/2012 0.33
5/6/2012 0.03
5/7/2012 0.00
5/8/2012 0.00
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 T
5/12/2012 0.00
5/13/2012 0.00
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 0.00
5/18/2012 0.01
5/19/2012 0.58
5/20/2012 0.00
5/21/2012 0.00
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.21
5/25/2012 0.35
5/26/2012 0.30
5/27/2012 0.25
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 T
5/31/2012 0.01
6/1/2012 0.01
6/2/2012 0.00
6/3/2012 0.02
6/4/2012 0.00
6/5/2012 0.00
6/6/2012 T
6/7/2012 0.15
6/8/2012 0.53
6/9/2012 0.00
6/10/2012 0.48
6/11/2012 0.00
6/12/2012 T
6/13/2012 0.03
6/14/2012 T
6/15/2012 0.00
6/16/2012 0.17
6/17/2012 0.00
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.24
6/21/2012 0.10
6/22/2012 0.00
6/23/2012 T
6/24/2012 0.00
6/25/2012 0.00
6/26/2012 0.01
6/27/2012 T
6/28/2012 0.00
6/29/2012 0.00
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.02
7/4/2012 T
7/5/2012 0.00
7/6/2012 0.23
7/7/2012 T
7/8/2012 0.00
7/9/2012 0.00
7/10/2012 0.00
7/11/2012 0.02
7/12/2012 0.01
7/13/2012 0.01
7/14/2012 0.00
7/15/2012 0.00
7/16/2012 0.00
7/17/2012 0.09
7/18/2012 0.42
7/19/2012 0.00
7/20/2012 0.00
7/21/2012 0.02
7/22/2012 0.23
7/23/2012 0.00
7/24/2012 0.00
7/25/2012 0.16
7/26/2012 0.09
7/27/2012 0.00
7/28/2012 0.12
7/29/2012 0.00
7/30/2012 0.04
7/31/2012 0.00
8/1/2012 0.01
8/2/2012 0.00
8/3/2012 0.04
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 T
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 0.24
8/12/2012 0.11
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.00
8/22/2012 0.00
8/23/2012 0.01
8/24/2012 0.00
8/25/2012 0.00
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 0.00
9/3/2012 T
9/4/2012 0.00
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.03
9/8/2012 0.00
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 T
9/12/2012 0.00
9/13/2012 0.00
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.00
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 0.00
9/26/2012 0.00
9/27/2012 0.00
9/28/2012 0.00
9/29/2012 0.00
9/30/2012 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 6:00 AM 0.00 0.0 M M M
10/2/2011 6:00 AM 0.00 0.0 M M M
10/3/2011 6:00 AM 0.00 0.0 M M M
10/4/2011 6:00 AM 0.00 0.0 M M M
10/5/2011 6:00 AM 0.00 0.0 M M M
10/6/2011 6:00 AM 0.00 0.0 M M M
10/7/2011 6:00 AM 0.35 0.0 M M M A couple of passing t-storms moved through the area yesterday afternoon.
10/8/2011 6:00 AM T 0.0 M M M Very light, misty rain at obs time, just a bit of water in the bottom of the tube.
10/9/2011 6:00 AM 0.21 0.0 M M M This rain accumulated as light showers over pretty much the whole 24 hour period.
10/10/2011 6:00 AM 0.01 0.0 M M M I woke up to a light mist and everything was wet, but not a lot of accumulation.
10/11/2011 6:00 AM T 0.0 M M M A light mist was still falling at obs time yesterday morning, but it cleared out pretty quickly before the sun came up.
10/12/2011 6:00 AM 0.00 0.0 M M M Kind of cloudy and blustery. The radio says we had a few sprinkles in the area overnight, but I don't see any evidence that we had any here.
10/13/2011 6:00 AM 0.00 0.0 M M M
10/14/2011 6:00 AM 0.00 0.0 M M M
10/15/2011 6:00 AM 0.00 0.0 M M M
10/16/2011 6:00 AM 0.00 0.0 M M M
10/17/2011 6:00 AM 0.20 0.0 M M M Light rain overnight had gotten a little harder at obs time.
10/18/2011 6:00 AM 0.02 0.0 M M M Light rain continued at obs time yesterday morning, but it had pretty much quit by sunrise.
10/19/2011 6:00 AM 0.00 0.0 M M M
10/20/2011 6:00 AM 0.00 0.0 M M M
10/21/2011 6:00 AM 0.00 0.0 M M M
10/22/2011 6:00 AM T 0.0 M M M A couple of wanna-be showers came through yesterday afternoon, but not enough to amount to anything. Cloudy and damp at obs time, but not doing anything.
10/23/2011 6:00 AM 0.02 0.0 M M M We got 0.01 between 0615 & 0645 yesterday morning, the other 0.01 from a couple of very light showers later in the morning.
10/24/2011 6:00 AM T 0.0 M M M A couple of wanna-be showers yesterday afternoon, but didn't amount to anything.
10/25/2011 6:00 AM 0.00 0.0 M M M
10/26/2011 6:00 AM 0.05 0.0 M M M Showers yesterday morning cleared out by afternoon. Overcast, damp and a cold NW breeze at obs time.
10/27/2011 6:00 AM 0.01 T M 0.0 M Had our first couple snow squalls of the season yesterday afternoon, but the ground is still too warm for any accumulation.
10/28/2011 6:00 AM 0.00 0.0 M 0.0 M
10/29/2011 6:00 AM 0.00 0.0 M 0.0 M
10/30/2011 6:00 AM T 0.0 M 0.0 M A very quick very light shower came through from the northwest yesterday afternoon, and it was gone just as quickly.
10/31/2011 6:00 AM 0.00 0.0 M 0.0 M
11/1/2011 6:00 AM T 0.0 M 0.0 M A little shower around 0515 this morning. Low heavy overcast, probably more precip to come.
11/2/2011 6:00 AM 0.05 T M T M A light rain/snow mix yesterday afternoon and evening. Not much accumulation, but a bit lasted through the night.
11/3/2011 6:00 AM 0.00 0.0 M 0.0 M
11/4/2011 6:00 AM 0.00 0.0 M 0.0 M
11/5/2011 6:00 AM 0.00 0.0 M 0.0 M
11/6/2011 6:00 AM 0.00 0.0 M 0.0 M
11/7/2011 6:00 AM 0.00 0.0 M 0.0 M
11/8/2011 6:00 AM 0.00 0.0 M 0.0 M
11/9/2011 6:00 AM T T M 0.0 M A quick snow (ice pellet) squall passed through around mid-afternoon yesterday.
11/10/2011 6:00 AM 0.00 0.0 M 0.0 M
11/11/2011 6:00 AM 0.00 0.0 M 0.0 M
11/12/2011 6:00 AM 0.00 0.0 M 0.0 M
11/13/2011 6:00 AM 0.04 0.0 M 0.0 M A couple of light showers yesterday evening.
11/14/2011 6:00 AM 0.00 0.0 M 0.0 M
11/15/2011 6:00 AM T T M T M Got a light skiff of snow sometime in the wee hours this morning.
11/16/2011 6:00 AM 0.00 0.0 M 0.0 M
11/17/2011 6:00 AM T T M 0.0 M A few snow flakes / ice crystals blew around yesterday morning for a few minutes.
11/18/2011 6:00 AM 0.00 0.0 M 0.0 M
11/19/2011 6:00 AM 0.66 7.0 M 7.0 M Steady snowfall since yesterday afternoon, snowing at obs time. With the ground not frozen, I'm sure we had another inch or so of snow that melted.
11/20/2011 6:00 AM 0.13 2.5 M 8.5 M Snow continued until mid-afternoon, then gradually tapered off.
11/21/2011 6:00 AM 0.00 0.0 M 6.5 M
11/22/2011 6:00 AM 0.00 0.0 M 5.0 M After a couple of days of sunshine, the snow cover is getting uneven - still about 6 inches in the shaded areas, more like 4 inches in the exposed areas.
11/23/2011 6:00 AM 0.00 0.0 M 3.5 M
11/24/2011 6:00 AM 0.00 0.0 M T M With the sun shine and the chinook winks blowing, we have way more bare ground than we have snow cover left.
11/25/2011 6:00 AM 0.00 0.0 M 0.0 M The only snow that we have left on the ground is where it was piled up clearing the sidewalks and driveways.
11/26/2011 6:00 AM 0.01 T M 0.0 M A light rain shower yesterday evening, and a few snow pellets early this morning.
11/27/2011 6:00 AM 0.00 0.0 M 0.0 M
11/28/2011 6:00 AM 0.00 0.0 M 0.0 M
11/29/2011 6:00 AM 0.00 0.0 M 0.0 M
11/30/2011 6:00 AM 0.00 0.0 M 0.0 M
12/1/2011 6:00 AM 0.28 2.5 M 2.5 M Light rain started about supper time last evening, but soon turned to overnight snow. It appears to have quit by obs time.
12/2/2011 6:00 AM 0.00 0.0 M 2.0 M
12/3/2011 6:00 AM 0.00 0.0 M 1.0 M Snow cover is pretty uneven, with about 2" in the shaded areas and bare spots developing in the open areas.
12/4/2011 6:00 AM 0.00 0.0 M 0.5 M Putting a number on the snow depth is tricky - got an inch or so in the shaded areas, large bare areas where it is exposed. Definitely more than a trace left though.
12/5/2011 6:00 AM 0.01 0.1 M 0.5 M A couple of snow squalls blew through yesterday morning.
12/6/2011 6:00 AM 0.00 0.0 M 0.5 M
12/7/2011 6:00 AM 0.00 0.0 M T M
12/8/2011 6:00 AM 0.04 1.0 M 1.0 M Overnight snow - still snowing at obs time.
12/9/2011 6:00 AM 0.03 0.5 M 1.5 M
12/10/2011 6:00 AM T T M 1.0 M Snow continued for a little bit after obs time yesterday morning.
12/11/2011 6:00 AM 0.00 0.0 M T M
12/12/2011 6:00 AM 0.00 0.0 M T M
12/13/2011 6:00 AM T T M T M A light snow shower around lunch time yesterday. My "trace" of snow cover consists of a little snow left in the shaded areas.
12/14/2011 6:00 AM 0.00 0.0 M T M
12/15/2011 6:00 AM 0.00 0.0 M T M
12/16/2011 6:00 AM 0.00 0.0 M T M
12/17/2011 6:00 AM 0.00 0.0 M T M
12/18/2011 6:00 AM 0.00 0.0 M T M Still some snow hanging on in the shaded areas.
12/19/2011 6:00 AM 0.00 0.0 M T M
12/20/2011 6:00 AM 0.00 0.0 M T M Still a little snow hanging on in the shaded areas, but it can't hold out forever without some reinforcement.
12/21/2011 6:00 AM T T M T M Started snowing lightly at ~0515, but no measurable accumulation yet by obs time.
12/22/2011 6:00 AM 0.27 1.4 M 1.5 M Snow started early yesterday morning but it melted on contact until late afternoon, so a lot of what fell only shows up in the total precip, not as snow cover.
12/23/2011 6:00 AM 0.00 0.0 M 1.5 M
12/24/2011 6:00 AM 0.00 0.0 M 1.5 M
12/25/2011 6:00 AM 0.00 0.0 M 1.0 M
12/26/2011 6:00 AM 0.00 0.0 M T M It was 34° when I got up at 0500, and 42° by 0530. Must have a chinook effect going on.
12/27/2011 6:00 AM 0.00 0.0 M T M
12/28/2011 6:00 AM 0.00 0.0 M T M
12/29/2011 6:00 AM 0.00 0.0 M T M
12/30/2011 6:00 AM 0.02 0.0 M 0.0 M Rain showers yesterday afternoon. Surprised how little we had here at home, got considerably more where I work at the airport.
12/31/2011 6:00 AM 0.02 0.0 M 0.0 M Appears to have rained right before I got up at 0500, everything was very wet.
1/1/2012 6:00 AM 0.11 0.3 M T M Early morning rain showers changed over to snow before quitting completely by mid-morning.
1/2/2012 6:00 AM 0.00 0.0 M T M
1/3/2012 6:00 AM 0.00 0.0 M 0.0 M
1/4/2012 6:00 AM 0.00 0.0 M 0.0 M
1/5/2012 6:00 AM 0.00 0.0 M 0.0 M
1/6/2012 6:00 AM 0.00 0.0 M 0.0 M
1/7/2012 6:00 AM 0.00 0.0 M 0.0 M
1/8/2012 6:00 AM 0.00 0.0 M 0.0 M
1/9/2012 6:00 AM 0.00 0.0 M 0.0 M
1/10/2012 6:00 AM 0.00 0.0 M 0.0 M
1/11/2012 6:00 AM 0.07 0.7 M 0.5 M Light rain quickly switched to snow late yesterday evening, continued overnight. Still snowing very lightly at obs time.
1/12/2012 6:00 AM T T M 0.5 M Light snow continued after obs time yesterday morning, but not for very long. No significant additional accumulation.
1/13/2012 6:00 AM 0.00 0.0 M T M
1/14/2012 6:00 AM 0.00 0.0 M T M
1/15/2012 6:00 AM 0.00 0.0 M T M
1/16/2012 6:00 AM 0.00 0.0 M 0.0 M
1/17/2012 6:00 AM 0.04 0.4 M 0.5 M Snowed lightly most of the day yesterday.
1/18/2012 6:00 AM 0.00 0.0 M T M
1/19/2012 6:00 AM T T M T M
1/20/2012 6:00 AM T T M T M Was all set to call it zero for the day, then at about 0545 it started snowing lightly.
1/21/2012 6:00 AM 0.01 0.2 M T M Blustery snow squall started early yesterday morning and dissipated by mid morning.
1/22/2012 6:00 AM 0.18 T M T M Woke up at 0500 to 35° with a rain/snow mix riding on a strong NW wind. At 0600 obs time it hadn't changed much. With the warm ground, the snow is just now starting to accumulate on the grass a little bit, but there is still cold rain mixed in with the snow.
1/23/2012 6:00 AM 0.02 0.1 M T M Wet snow continued yesterday morning for a while, but with the temp hovering in the low 30's and the ground relatively warm, it never accumulated very much.
1/24/2012 6:00 AM 0.05 0.7 M 0.5 M Woke up to 33° and wet snow this morning.
1/25/2012 6:00 AM 0.04 0.4 M T M Wet snow continued yesterday morning, then the sun came out and most of it melted.
1/26/2012 6:00 AM 0.07 0.0 M 0.0 M A moderate to heavy rain squall with strong gusty winds came through with a cold front passage yesterday evening.
1/27/2012 6:00 AM T 0.0 M 0.0 M Woke up at 0500 to 34°, a wet deck and car, wind, and (near as I could tell) a clear sky full of stars. I guess a quick rain squall had recently blown through.
1/28/2012 6:00 AM 0.02 0.2 M T M Most of the snow came during a 10-15 minute squall yesterday mid-afternoon.
1/29/2012 6:00 AM 0.00 0.0 M 0.0 M
1/30/2012 6:00 AM 0.00 0.0 M 0.0 M
1/31/2012 6:00 AM 0.00 0.0 M 0.0 M
2/1/2012 6:00 AM 0.00 0.0 M 0.0 M
2/2/2012 6:00 AM 0.00 0.0 M 0.0 M
2/3/2012 6:00 AM 0.00 0.0 M 0.0 M
2/4/2012 6:00 AM 0.00 0.0 M 0.0 M
2/5/2012 6:00 AM 0.00 0.0 M 0.0 M
2/6/2012 6:00 AM 0.00 0.0 M 0.0 M
2/7/2012 6:00 AM 0.06 0.6 M 0.5 M Overnight snow followed by freezing mist at obs time.
2/8/2012 6:00 AM 0.02 0.3 M 1.0 M Freezing mist at obs time yesterday switched back to light snow and continued off and on until close to noon.
2/9/2012 6:00 AM 0.00 0.0 M 0.5 M
2/10/2012 6:00 AM 0.01 0.1 M T M It looked like it had just started snowing lightly before I got up at 0500, still snowing at 0600 obs time.
2/11/2012 6:00 AM 0.01 0.1 M T M Light snow continued through mid-morning yesterday, then tapered off and quit. Clear and cold this morning, -3°F.
2/12/2012 6:00 AM 0.00 0.0 M T M
2/13/2012 6:00 AM 0.00 0.0 M T M A little snow left in the shaded areas, that's about it.
2/14/2012 6:00 AM T 0.0 M 0.0 M A brief sprinkle of rain passed through yesterday afternoon.
2/15/2012 6:00 AM 0.03 0.2 M T M A rain/snow mix passed through late afternoon and early evening yesterday.
2/16/2012 6:00 AM 0.00 0.0 M T M A little snow cover left in the shaded areas.
2/17/2012 6:00 AM 0.00 0.0 M 0.0 M
2/18/2012 6:00 AM 0.00 0.0 M 0.0 M
2/19/2012 6:00 AM 0.00 0.0 M 0.0 M
2/20/2012 6:00 AM 0.07 0.7 M 0.5 M Overnight snow had quit by the time I got up at 0500.
2/21/2012 6:00 AM 0.00 0.0 M T M
2/22/2012 6:00 AM T 0.0 M 0.0 M Back deck was damp when I got up this morning, 34°F, nothing in my rain guage.
2/23/2012 6:00 AM 0.17 T M T M Rain showers yesterday afternoon into early evening, with a spritz of snow falling at obs time this morning.
2/24/2012 6:00 AM 0.11 1.0 M 1.0 M Spring like snow event - snows like crazy for 15 minutes, sun comes out and melts half of it, snows like crazy for 15 minutes, sun comes out.....
2/25/2012 6:00 AM 0.05 0.7 M 0.5 M Yesterday was a repeat of Wednesday, but with less snow and longer interludes of sun. Net loss of snow cover, with 1" to 1.5" in the shaded areas to bare ground where the sun could get to it.
2/26/2012 6:00 AM 0.03 0.2 M T M After a warm (our high was 56°F), sunny, breezy day yesterday, a blustery rain/snow mix blew through after dark last evening while we were at the hockey game.
2/27/2012 6:00 AM T T M 0.0 0.00 A quick spritz of snow late yesterday afternoon lasted maybe 10 minutes, tops.
2/28/2012 6:00 AM 0.00 0.0 M 0.0 M
2/29/2012 6:00 AM 0.15 1.5 M 1.5 M If that was our bad winter storm for this season, I'll take it...
3/1/2012 6:00 AM 0.00 0.0 M T M
3/2/2012 6:00 AM 0.00 0.0 M T M
3/3/2012 6:00 AM T T M T M Got just the slightest bit of snow overnight - had to really look to even see it on the ground - more obvious on the cars.
3/4/2012 6:00 AM T T M 0.0 M A trace of snow around mid-morning yesterday, a trace of rain overnight - nothing but a damp bottom in the collector tube. Overnight low was 42°F.
3/5/2012 6:00 AM 0.03 T M 0.0 0.00 Intermittent snow showers yesterday morning blew out of the area by noon. With temp's well above freezing, the snow pretty much melted on contact.
3/6/2012 6:00 AM 0.00 0.0 M 0.0 M
3/7/2012 6:00 AM 0.00 0.0 M 0.0 M
3/8/2012 6:00 AM 0.00 0.0 M 0.0 M
3/9/2012 6:00 AM 0.00 0.0 M 0.0 M
3/10/2012 6:00 AM 0.00 0.0 M 0.0 M
3/11/2012 6:00 AM 0.00 0.0 M 0.0 M
3/12/2012 6:00 AM 0.00 0.0 M 0.0 0.00
3/13/2012 6:00 AM 0.00 0.0 M 0.0 M
3/14/2012 6:00 AM 0.00 0.0 M 0.0 M
3/15/2012 6:00 AM 0.00 0.0 M 0.0 M
3/16/2012 6:00 AM 0.00 0.0 M 0.0 M
3/17/2012 6:00 AM 0.00 0.0 M 0.0 M
3/18/2012 6:00 AM 0.00 0.0 M 0.0 M
3/19/2012 6:00 AM 0.00 0.0 M 0.0 0.00
3/20/2012 6:00 AM 0.00 0.0 M 0.0 M
3/21/2012 6:00 AM 0.00 0.0 M 0.0 M
3/22/2012 6:00 AM 0.00 0.0 M 0.0 M
3/23/2012 6:00 AM 0.00 0.0 M 0.0 M
3/24/2012 6:00 AM 0.00 0.0 M 0.0 M
3/25/2012 6:00 AM 0.00 0.0 M 0.0 M
3/26/2012 6:00 AM 0.00 0.0 M 0.0 0.00 Had a light dew on the car this morning - I had almost forgotten what moisture looked like.
3/27/2012 6:00 AM 0.12 0.0 M 0.0 M Moderate t-storms around supper time yesterday evening.
3/28/2012 6:00 AM 0.00 0.0 M 0.0 M
3/29/2012 6:00 AM 0.00 0.0 M 0.0 M
3/30/2012 6:00 AM 0.00 0.0 M 0.0 M
3/31/2012 6:00 AM 0.00 0.0 M 0.0 M
4/1/2012 6:00 AM 0.00 0.0 M 0.0 M
4/2/2012 6:00 AM 0.00 0.0 M 0.0 0.00
4/3/2012 6:00 AM T 0.0 M 0.0 M A few rain drops blew in with the strong cold front passing through yesterday afternoon.
4/4/2012 6:00 AM 0.00 0.0 M 0.0 M
4/5/2012 6:00 AM 0.00 0.0 M 0.0 M
4/6/2012 6:00 AM 0.00 0.0 M 0.0 M
4/7/2012 6:00 AM 0.08 0.0 M 0.0 M A fast moving line of t-storms swept through around 1500-1530 yesterday afternoon.
4/8/2012 6:00 AM 0.00 0.0 M 0.0 M
4/9/2012 6:00 AM 0.00 0.0 M 0.0 0.00
4/10/2012 6:00 AM 0.00 0.0 M 0.0 M
4/11/2012 6:00 AM 0.00 0.0 M 0.0 M
4/12/2012 6:00 AM 0.00 0.0 M 0.0 M
4/13/2012 6:00 AM 0.00 0.0 M 0.0 M
4/14/2012 6:00 AM T 0.0 M 0.0 M A couple of light sprinkles yesterday afternoon, then started raining lightly again just before obs time. All added together it was only a few drops in the bottom of my collector tube.
4/15/2012 6:00 AM 0.98 0.0 M 0.0 M It has rained pretty much continually for the past 24 hours.
4/16/2012 6:00 AM 0.44 0.0 M 0.0 0.00 The rain finally tapered off and quit around mid-afternoon yesterday.
4/17/2012 6:00 AM 0.00 0.0 M 0.0 M
4/18/2012 6:00 AM 0.13 0.0 M 0.0 M See separate hail report for details.
4/19/2012 6:00 AM 0.02 0.0 M 0.0 M Foggy with a very light mist this morning.
4/20/2012 6:00 AM 0.01 0.0 M 0.0 M A very brief, very light shower yesterday afternoon, about getting off from work time.
4/21/2012 6:00 AM 0.00 0.0 M 0.0 M
4/22/2012 6:00 AM 0.00 0.0 M 0.0 M
4/23/2012 6:00 AM 0.00 0.0 M 0.0 0.00
4/24/2012 6:00 AM 0.00 0.0 M 0.0 M
4/25/2012 6:00 AM 0.01 0.0 M 0.0 M The line of t-storms looked pretty impressive on radar coming across NE Wyoming yesterday evening, but they pretty much broke apart over the Black Hills.
4/26/2012 6:00 AM 0.00 0.0 M 0.0 M
4/27/2012 6:00 AM 0.25 0.0 M 0.0 M Rain started sometime overnight and continues at obs time.
4/28/2012 6:00 AM 0.42 0.0 M 0.0 M Rained more or less all day, finally tapering off and quitting late afternoon & early evening.
4/29/2012 6:00 AM 0.00 0.0 M 0.0 M
4/30/2012 6:00 AM 0.00 0.0 M 0.0 0.00
5/1/2012 6:00 AM 0.00 0.0 M M M
5/2/2012 6:00 AM 0.12 M M M M A line of t-storms moved quickly through the area around supper time yesterday.
5/3/2012 6:00 AM 0.03 M M M M A line of late afternoon t-storms looked impressive and made a lot of noise, but didn't drop much rain.
5/4/2012 6:00 AM 0.00 0.0 M M M
5/5/2012 6:00 AM 0.33 M M M M Light showers late yesterday afternoon and heavy t-showers overnight, with a little bit of hail thrown in (see separate hail report).
5/6/2012 6:00 AM 0.03 M M M M A quick hit-and-run t-shower passed through yesterday around 1730.
5/7/2012 6:00 AM 0.00 0.0 M M M
5/8/2012 6:00 AM 0.00 0.0 M M M
5/9/2012 6:00 AM 0.00 0.0 M M M
5/10/2012 6:00 AM 0.00 0.0 M M M
5/11/2012 6:00 AM T M M M M A brief attempt at a shower yesterday afternoon.
5/12/2012 6:00 AM 0.00 0.0 M M M
5/13/2012 6:00 AM 0.00 0.0 M M M
5/14/2012 6:00 AM 0.00 0.0 M M M
5/15/2012 6:00 AM 0.00 0.0 M M M
5/16/2012 6:00 AM 0.00 0.0 M M M
5/17/2012 6:00 AM 0.00 0.0 M M M
5/18/2012 6:00 AM 0.01 M M M M A very light shower mid-afternoon yesterday. Looked like they were getting more to the south of us.
5/19/2012 6:00 AM 0.58 M M M M Only 0.05" of the total came from light showers yesterday afternoon, the remaining 0.53" fell in the wee hours of this morning.
5/20/2012 6:00 AM 0.00 0.0 M M M
5/21/2012 6:00 AM 0.00 0.0 M M M
5/22/2012 6:00 AM 0.00 0.0 M M M
5/23/2012 6:00 AM 0.00 0.0 M M M
5/24/2012 6:00 AM 0.21 M M M M About 0.12" of the total fell in showers yesterday, then after an overnight lull, we got another 0.09" when it started raining again before dawn. Raining steadily at obs time.
5/25/2012 6:00 AM 0.35 M M M M Steady light-to-moderate rain most of the day yesterday moved off to the east sometime mid-to-late afternoon.
5/26/2012 6:00 AM 0.30 M M M M Has rained in waves for last 24 hours, mostly very light rainfall with long breaks between rain events. Raining very lightly at obs time.
5/27/2012 6:00 AM 0.25 M M M M Another wet last 24 hours. Not raining, but very foggy this morning.
5/28/2012 6:00 AM 0.00 0.0 M M M A few shower cells built up yesterday afternoon, but we never got anything out of it at our location.
5/29/2012 6:00 AM 0.00 0.0 M M M
5/30/2012 6:00 AM T M M M M Got a trace overnight. The only way it was obvious was that the car still had big water drops on it when I got up this morning.
5/31/2012 6:00 AM 0.01 M M M M A couple of very light showers yesterday afternoon plus another overnight added up to pretty close to 1/100", though that may be giving it a little credit.
6/1/2012 6:00 AM 0.01 M M M M I had a fat 1/100" this morning to make up for the thin 1/100" that I reported yesterday morning ... sprinkling very lightly at obs time.
6/2/2012 6:00 AM 0.00 0.0 M M M
6/3/2012 6:00 AM 0.02 M M M M A quick-moving squall line passed through yesterday evening.
6/4/2012 6:00 AM 0.00 0.0 M M M
6/5/2012 6:00 AM 0.00 0.0 M M M
6/6/2012 6:00 AM T M M M M The briefest of showers passed through yesterday evening, but it didn't amount to much.
6/7/2012 6:00 AM 0.15 M M M M Overnight showers.
6/8/2012 6:00 AM 0.53 M M M M Had 0.15 from early showers yesterday morning after obs time, but the remaining 0.38 come from a line of t-storms yesterday afternoon between about 1500-1600.
6/9/2012 6:00 AM 0.00 0.0 M M M
6/10/2012 6:00 AM 0.48 M M M M A line of pretty intense t-storms passed through yesterday evening.
6/11/2012 6:00 AM 0.00 0.0 M M M
6/12/2012 6:00 AM T M M M M A very light shower passed through sometime overnight.
6/13/2012 6:00 AM 0.03 M M M M A brief shower yesterday evening.
6/14/2012 6:00 AM T M M M M I was at work for most of the last 24 hours so I really don't know when we picked up the bit of water I had in my collector this morning.
6/15/2012 6:00 AM 0.00 0.0 M M M
6/16/2012 6:00 AM 0.17 M M M M A series of t-showers yesterday evening.
6/17/2012 6:00 AM 0.00 0.0 M M M
6/18/2012 6:00 AM 0.00 0.0 M M M
6/19/2012 6:00 AM 0.00 0.0 M M M
6/20/2012 6:00 AM 0.24 M M M M Late evening and overnight t-showers.
6/21/2012 6:00 AM 0.10 M M M M Afternoon t-shower yesterday.
6/22/2012 6:00 AM 0.00 0.0 M M M
6/23/2012 6:00 AM T M M M M A lot of lightning, a lot of thunder, a lot of wind, barely a trace of rain.
6/24/2012 6:00 AM 0.00 0.0 M M M
6/25/2012 6:00 AM 0.00 0.0 M M M
6/26/2012 6:00 AM 0.01 M M M M This was a judgement call between a heavy trace and 0.01" - it was difinitely more than a trace.
6/27/2012 6:00 AM T M M M M Afternoon t-shower, very little precip.
6/28/2012 6:00 AM 0.00 0.0 M M M
6/29/2012 6:00 AM 0.00 0.0 M M M
6/30/2012 6:00 AM 0.00 0.0 M M M
7/1/2012 6:00 AM 0.00 0.0 M M M
7/2/2012 6:00 AM 0.00 0.0 M M M
7/3/2012 6:00 AM 0.02 M M M M
7/4/2012 6:00 AM T M M M M A very light sprinkle of rain around 0700 yesterday morning.
7/5/2012 6:00 AM 0.00 0.0 M M M
7/6/2012 6:00 AM 0.23 M M M M Evening t-showers gave way to intermittent light drizzle by this morning.
7/7/2012 6:00 AM T M M M M Very overcast, but the only precip was a quick trace yesterday afternoon.
7/8/2012 6:00 AM 0.00 0.0 M M M
7/9/2012 6:00 AM 0.00 0.0 M M M
7/10/2012 6:00 AM 0.00 0.0 M M M
7/11/2012 6:00 AM 0.02 M M M M Caught the edge of a light t-shower yesterday afternoon.
7/12/2012 6:00 AM 0.01 M M M M A pretty good line of t-storms moved through last evening, but radar showed most of the precip passing north or south of town, with us in the middle getting mostly left out.
7/13/2012 6:00 AM 0.01 M M M M Routine afternoon t-shower.
7/14/2012 6:00 AM 0.00 0.0 M M M
7/15/2012 6:00 AM 0.00 0.0 M M M
7/16/2012 6:00 AM 0.00 0.0 M M M
7/17/2012 6:00 AM 0.09 M M M M A nasty line of t-storms passed through the Hills last night, a lot of dry lightning, a little rain at times.
7/18/2012 6:00 AM 0.42 M M M M Afternoon and evening t-storms, with a particularly heavy one late in the evening.
7/19/2012 6:00 AM 0.00 0.0 M M M
7/20/2012 6:00 AM 0.00 0.0 M M M
7/21/2012 6:00 AM 0.02 M M M M Lots of dry lightning, very little rain from a series of t-storms yesterday afternoon. Worst wildfire season we've had in years.
7/22/2012 6:00 AM 0.23 M M M M Waves of t-storms all evening and well into the night.
7/23/2012 6:00 AM 0.00 0.0 M M M
7/24/2012 6:00 AM 0.00 0.0 M M M
7/25/2012 6:00 AM 0.16 M M M M At least 3 waves of t-showers yesterday afternoon, evening, and overnight.
7/26/2012 6:00 AM 0.09 M M M M We were just on the fringe of a storm that dropped 2-3 inches south of Rapid yesterday afternoon.
7/27/2012 6:00 AM 0.00 0.0 M M M
7/28/2012 6:00 AM 0.12 M M M M Our late afternoon t-shower was right on schedule yesterday.
7/29/2012 6:00 AM 0.00 0.0 M M M At about 0602 (2 minutes after my obs time) we started taking a rain shower.
7/30/2012 6:00 AM 0.04 M M M M A shower passed through just after my 0600 obs time yesterday morning.
7/31/2012 6:00 AM 0.00 0.0 M M M
8/1/2012 6:00 AM 0.01 M M M M A little shower sometime yesterday afternoon.
8/2/2012 6:00 AM 0.00 0.0 M M M
8/3/2012 6:00 AM 0.04 M M M M We were just on the southern edge of some heavy-looking t-storms that passed to our north yesterday afternoon & evening.
8/4/2012 6:00 AM 0.00 0.0 M M M
8/5/2012 6:00 AM 0.00 0.0 M M M
8/6/2012 6:00 AM 0.00 0.0 M M M
8/7/2012 6:00 AM T M M M M Got a few drops of rain about 10 minutes before my 0600 obs time - still looks pretty dark over the Hills to the west.
8/8/2012 6:00 AM 0.00 0.0 M M M
8/9/2012 6:00 AM 0.00 0.0 M M M
8/10/2012 6:00 AM 0.00 0.0 M M M
8/11/2012 6:00 AM 0.24 M M M M Several afternoon, evening and overnight t-showers. Looks like there may be more to follow today.
8/12/2012 6:00 AM 0.11 M M M M Typical afternoon and evening t-showers.
8/13/2012 6:00 AM 0.00 0.0 M M M
8/14/2012 6:00 AM 0.00 0.0 M M M
8/15/2012 6:00 AM 0.00 0.0 M M M
8/16/2012 6:00 AM 0.00 0.0 M M M
8/17/2012 6:00 AM 0.00 0.0 M M M
8/18/2012 6:00 AM 0.00 0.0 M M M
8/19/2012 6:00 AM 0.00 0.0 M M M
8/20/2012 6:00 AM 0.00 0.0 M M M
8/21/2012 6:00 AM 0.00 0.0 M M M
8/22/2012 6:00 AM 0.00 0.0 M M M
8/23/2012 6:00 AM 0.01 M M M M A brief shower, it looks like just before I got up this morning.
8/24/2012 6:00 AM 0.00 0.0 M M M
8/25/2012 6:00 AM 0.00 0.0 M M M
8/26/2012 6:00 AM 0.00 0.0 M M M
8/27/2012 6:00 AM 0.00 0.0 M M M
8/28/2012 6:00 AM 0.00 0.0 M M M
8/29/2012 6:00 AM 0.00 0.0 M M M
8/30/2012 6:00 AM 0.00 0.0 M M M
8/31/2012 6:00 AM 0.00 0.0 M M M
9/1/2012 6:00 AM 0.00 0.0 M M M
9/2/2012 6:00 AM 0.00 0.0 M M M
9/3/2012 6:00 AM T M M M M My wife noted a few drops of rain at 1755 yesterday afternoon. It was so little that if she hadn't been outdoors at the time, she wouldn't have even known about it.
9/4/2012 6:00 AM 0.00 0.0 M M M
9/5/2012 6:00 AM 0.00 0.0 M M M
9/6/2012 6:00 AM 0.00 0.0 M M M
9/7/2012 6:00 AM 0.03 M M M M Had a light shower in progress when I went to bed last night around 2230.
9/8/2012 6:00 AM 0.00 0.0 M M M
9/9/2012 6:00 AM 0.00 0.0 M M M
9/10/2012 6:00 AM 0.00 0.0 M M M
9/11/2012 6:00 AM T M M M M A passing cloud deposited a few drops of rain yesterday afternoon.
9/12/2012 6:00 AM 0.00 0.0 M M M
9/13/2012 6:00 AM 0.00 0.0 M M M
9/14/2012 6:00 AM 0.00 0.0 M M M
9/15/2012 6:00 AM 0.00 0.0 M M M
9/16/2012 6:00 AM 0.00 0.0 M M M
9/17/2012 6:00 AM 0.00 0.0 M M M
9/18/2012 6:00 AM 0.00 0.0 M M M
9/19/2012 6:00 AM 0.00 0.0 M M M
9/20/2012 6:00 AM 0.00 0.0 M M M
9/21/2012 6:00 AM 0.00 0.0 M M M
9/22/2012 6:00 AM 0.00 0.0 M M M
9/23/2012 6:00 AM 0.00 0.0 M M M
9/24/2012 6:00 AM 0.00 0.0 M M M
9/25/2012 6:00 AM 0.00 0.0 M M M
9/26/2012 6:00 AM 0.00 0.0 M M M
9/27/2012 6:00 AM 0.00 0.0 M M M
9/28/2012 6:00 AM 0.00 0.0 M M M
9/29/2012 6:00 AM 0.00 0.0 M M M
9/30/2012 6:00 AM 0.01 M M M M A surprise (albeit very light) thundershower yesterday afternoon, resulting in at least one lightning fire up around Piedmont.



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
4/6/2012 3:15 PM Info gathered from talking with my spouse after I got home from work. 1/4" Pea Size 1/4" Pea Size Rice Hard 5 10min no damage Continuous True After rain Same time as smaller hail
4/17/2012 6:11 PM This little storm hit like a tidal wave, with the largest hail hitting first and hard. After about 3 minutes it began tapering off, and it was about another 3 minutes before the last few stragglers quit bouncing. There was some, but not a lot, of rain with it. 1/2" Grape 3/8" Rice Mixed|White Ice 6 1min shredded leaves Continuous False Same time as rain Before smaller hail 10-20
5/5/2012 3:59 AM 3/8" 1/4" Pea Size Rice Mixed|White Ice 3 1min no damage Continuous True After rain Same time as smaller hail vertical