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 10 1.40 0.49 31 0.49 31 0.00 0 0 6 5 0.0 0 0
Nov 10 0.50 0.58 30 0.58 30 0.00 0 0 8 4 8.9 7 11
Dec 10 0.26 0.43 31 0.43 31 0.00 0 0 8 3 3.0 4 8
Jan 11 0.27 0.73 31 0.73 31 0.00 0 0 15 2 8.4 13 19
Feb 11 0.33 1.20 28 1.20 28 0.00 0 0 9 4 16.0 8 18
March 11 0.89 1.15 31 1.15 31 0.00 0 0 13 5 9.5 7 13
April 11 1.85 2.52 30 2.52 30 0.00 0 0 17 6 6.9 4 4
May 11 3.93 8.47 31 8.47 31 0.00 0 0 19 5 0.0 0 0
June 11 2.76 4.55 30 4.55 30 0.00 0 0 15 1 0.0 0 0
July 11 2.54 1.82 31 1.82 31 0.00 0 0 12 4 0.0 0 0
Aug 11 2.02 2.47 31 2.47 31 0.00 0 0 13 3 0.0 0 0
Sept 11 1.48 0.45 30 0.45 30 0.00 0 0 4 1 0.0 0 0
Water Year Totals: 18.23" 24.86" 365 days 24.86" 365 0.00" 0 days 0 139 days 43 days 52.7" 43 days 73 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 0.00
10/9/2010 0.21
10/10/2010 0.12
10/11/2010 T
10/12/2010 0.03
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.08
10/24/2010 0.01
10/25/2010 T
10/26/2010 0.04
10/27/2010 T
10/28/2010 T
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 T
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.01
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 T
11/15/2010 T
11/16/2010 T
11/17/2010 0.13
11/18/2010 0.05
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 T
11/22/2010 0.25
11/23/2010 0.02
11/24/2010 0.01
11/25/2010 0.00
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 0.04
11/30/2010 0.07
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 0.04
12/12/2010 T
12/13/2010 0.01
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.01
12/17/2010 0.00
12/18/2010 T
12/19/2010 T
12/20/2010 0.11
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.04
12/24/2010 0.05
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.01
12/31/2010 0.16
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.13
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.01
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.03
1/8/2011 0.02
1/9/2011 0.08
1/10/2011 0.01
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 T
1/16/2011 0.01
1/17/2011 0.04
1/18/2011 0.05
1/19/2011 0.07
1/20/2011 0.01
1/21/2011 0.02
1/22/2011 0.05
1/23/2011 0.04
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 T
1/31/2011 0.16
2/1/2011 T
2/2/2011 T
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.02
2/6/2011 0.03
2/7/2011 0.07
2/8/2011 0.15
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 T
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 T
2/20/2011 0.28
2/21/2011 0.30
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.12
2/25/2011 0.09
2/26/2011 0.14
2/27/2011 0.00
2/28/2011 0.00
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 T
3/4/2011 0.15
3/5/2011 T
3/6/2011 0.00
3/7/2011 0.09
3/8/2011 0.07
3/9/2011 0.17
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.01
3/16/2011 0.00
3/17/2011 0.05
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.00
3/22/2011 T
3/23/2011 0.02
3/24/2011 0.03
3/25/2011 T
3/26/2011 0.25
3/27/2011 0.10
3/28/2011 0.12
3/29/2011 0.04
3/30/2011 T
3/31/2011 0.05
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.12
4/2/2011 T
4/3/2011 T
4/4/2011 0.09
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 T
4/8/2011 0.00
4/9/2011 0.18
4/10/2011 0.09
4/11/2011 0.01
4/12/2011 0.00
4/13/2011 0.24
4/14/2011 0.02
4/15/2011 0.17
4/16/2011 0.00
4/17/2011 T
4/18/2011 0.37
4/19/2011 0.35
4/20/2011 0.04
4/21/2011 T
4/22/2011 0.58
4/23/2011 0.01
4/24/2011 0.00
4/25/2011 0.01
4/26/2011 T
4/27/2011 0.05
4/28/2011 0.18
4/29/2011 0.00
4/30/2011 0.01
5/1/2011 T
5/2/2011 0.02
5/3/2011 T
5/4/2011 T
5/5/2011 T
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.02
5/11/2011 0.00
5/12/2011 0.43
5/13/2011 0.29
5/14/2011 0.02
5/15/2011 0.01
5/16/2011 0.00
5/17/2011 0.00
5/18/2011 0.35
5/19/2011 0.08
5/20/2011 2.68
5/21/2011 0.04
5/22/2011 0.54
5/23/2011 0.05
5/24/2011 0.95
5/25/2011 0.62
5/26/2011 0.02
5/27/2011 0.04
5/28/2011 T
5/29/2011 0.58
5/30/2011 1.72
5/31/2011 0.01
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 0.02
6/8/2011 0.00
6/9/2011 0.10
6/10/2011 0.54
6/11/2011 0.04
6/12/2011 0.21
6/13/2011 0.01
6/14/2011 0.07
6/15/2011 0.02
6/16/2011 0.00
6/17/2011 0.05
6/18/2011 0.00
6/19/2011 0.00
6/20/2011 0.22
6/21/2011 0.40
6/22/2011 0.44
6/23/2011 0.00
6/24/2011 0.00
6/25/2011 1.45
6/26/2011 0.96
6/27/2011 0.02
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 T
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.03
7/2/2011 0.33
7/3/2011 0.04
7/4/2011 0.00
7/5/2011 T
7/6/2011 0.00
7/7/2011 0.03
7/8/2011 0.00
7/9/2011 0.05
7/10/2011 0.00
7/11/2011 0.01
7/12/2011 0.02
7/13/2011 0.05
7/14/2011 0.06
7/15/2011 0.00
7/16/2011 T
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 T
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.59
7/27/2011 0.00
7/28/2011 0.55
7/29/2011 0.06
7/30/2011 T
7/31/2011 0.00
8/1/2011 0.15
8/2/2011 0.04
8/3/2011 0.00
8/4/2011 0.33
8/5/2011 0.00
8/6/2011 T
8/7/2011 0.20
8/8/2011 0.44
8/9/2011 0.04
8/10/2011 0.06
8/11/2011 0.02
8/12/2011 0.26
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 T
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.00
8/21/2011 0.00
8/22/2011 0.01
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 T
8/27/2011 0.00
8/28/2011 0.01
8/29/2011 0.01
8/30/2011 0.90
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.05
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 T
9/15/2011 0.23
9/16/2011 0.04
9/17/2011 0.00
9/18/2011 0.13
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.00
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 6:00 AM 0.00 0.0 M M M
10/2/2010 6:00 AM 0.00 0.0 M M M
10/3/2010 6:00 AM 0.00 0.0 M M M
10/4/2010 6:00 AM 0.00 0.0 M M M
10/5/2010 6:00 AM 0.00 0.0 M M M
10/6/2010 6:00 AM 0.00 0.0 M M M
10/7/2010 6:00 AM 0.00 0.0 M M M
10/8/2010 6:00 AM 0.00 0.0 M M M
10/9/2010 6:00 AM 0.21 M M M M Showery weather off and on for the last 24 hours.
10/10/2010 6:00 AM 0.12 M M M M Intermittent light showers continued last 24 hours, but mainly overnight.
10/11/2010 6:00 AM T M M M M
10/12/2010 6:00 AM 0.03 M M M M Overnight showers.
10/13/2010 6:00 AM 0.00 0.0 M M M
10/14/2010 6:00 AM 0.00 0.0 M M M
10/15/2010 6:00 AM 0.00 0.0 M M M
10/16/2010 6:00 AM 0.00 0.0 M M M
10/17/2010 6:00 AM 0.00 0.0 M M M
10/18/2010 6:00 AM 0.00 0.0 M M M
10/19/2010 6:00 AM 0.00 0.0 M M M
10/20/2010 6:00 AM 0.00 0.0 M M M
10/21/2010 6:00 AM 0.00 0.0 M M M
10/22/2010 6:00 AM 0.00 0.0 M M M
10/23/2010 6:00 AM 0.08 0.0 M 0.0 M Light showers moved in overnight.
10/24/2010 6:00 AM 0.01 0.0 M 0.0 M Intermittent light rain showers continued yesterday morning.
10/25/2010 6:00 AM T 0.0 M 0.0 M
10/26/2010 6:00 AM 0.04 0.0 M 0.0 M Morning rain showers yesterday AM.
10/27/2010 6:00 AM T T M 0.0 M Very light mix of rain and snow showers overnight, snow pellets at obs time.
10/28/2010 6:00 AM T T M 0.0 M Light brief rain/snow showers continued into yesterday morning.
10/29/2010 6:00 AM 0.00 0.0 M 0.0 M
10/30/2010 6:00 AM 0.00 0.0 M 0.0 M
10/31/2010 6:00 AM T 0.0 M 0.0 M My wife said she looked out the window sometime overnight and the street and sidewalk were wet, and I had a few drops in my collector tube this morning.
11/1/2010 6:00 AM 0.00 0.0 M 0.0 M
11/2/2010 6:00 AM 0.00 0.0 M 0.0 M
11/3/2010 6:00 AM 0.00 0.0 M 0.0 M
11/4/2010 6:00 AM 0.00 0.0 M 0.0 M
11/5/2010 6:00 AM 0.00 0.0 M 0.0 M
11/6/2010 6:00 AM 0.00 0.0 M 0.0 M
11/7/2010 6:00 AM 0.00 0.0 M 0.0 M
11/8/2010 6:00 AM 0.00 0.0 M 0.0 M
11/9/2010 6:00 AM 0.00 0.0 M 0.0 M
11/10/2010 6:00 AM 0.01 T M 0.0 M Light rain/snow showers last evening.
11/11/2010 6:00 AM 0.00 0.0 M 0.0 M
11/12/2010 6:00 AM 0.00 0.0 M 0.0 M
11/13/2010 6:00 AM 0.00 0.0 M 0.0 M
11/14/2010 6:00 AM T T M 0.0 M A few snow flurries in the air off and on yesterday.
11/15/2010 6:00 AM T 0.0 M 0.0 M Very brief, very light rain shower yesterday evening.
11/16/2010 6:00 AM T T M 0.0 M A mix of light rain and snow showers yesterday. Not enough for any accumulation.
11/17/2010 6:00 AM 0.13 1.0 M 1.0 M Light rain/snow showers yesterday gave way to all snow overnight.
11/18/2010 6:00 AM 0.05 0.5 M 1.0 M Snow continued yesterday morning.
11/19/2010 6:00 AM 0.00 0.0 M 0.0 M
11/20/2010 6:00 AM 0.00 0.0 M 0.0 M
11/21/2010 6:00 AM T T M 0.0 M We got a trace of snow sometime overnight.
11/22/2010 6:00 AM 0.25 5.0 M 5.0 M Started snowing early yesterday evening, still snowing at 0600. Very light, dry snow, 10° outdoors.
11/23/2010 6:00 AM 0.02 0.4 M 3.5 M Yesterday's snow tapered off and quit by mid-morning.
11/24/2010 6:00 AM 0.01 0.2 M 3.0 M A light skiff of new snow overnight.
11/25/2010 6:00 AM 0.00 0.0 M 3.0 M
11/26/2010 6:00 AM 0.00 0.0 M 2.5 M
11/27/2010 6:00 AM 0.00 0.0 M 2.0 M
11/28/2010 6:00 AM 0.00 0.0 M 1.5 M
11/29/2010 6:00 AM 0.04 0.3 M 2.0 M Started snowing and blowing early this morning, still doing so at obs time.
11/30/2010 6:00 AM 0.07 1.5 M 3.0 M Snow blew out around mid-day yesterday.
12/1/2010 6:00 AM 0.00 0.0 M 2.0 M
12/2/2010 6:00 AM 0.00 0.0 M 1.5 M
12/3/2010 6:00 AM 0.00 0.0 M 0.5 M Sunny 46° yesterday took a toll on our snow cover. Large bare spots in the exposed areas with maybe an inch in the shaded areas.
12/4/2010 6:00 AM 0.00 0.0 M 0.5 M Not much change from yesterday.
12/5/2010 6:00 AM 0.00 0.0 M T M Still a little snow left in the shaded areas, but that's about it.
12/6/2010 6:00 AM 0.00 0.0 M T M
12/7/2010 6:00 AM 0.00 0.0 M T M
12/8/2010 6:00 AM 0.00 0.0 M T M
12/9/2010 6:00 AM 0.00 0.0 M T M The only snow cover left is in the deeply shaded areas. With highs forecast to be near 50 today, this will probably be the last day for what's left of it.
12/10/2010 6:00 AM 0.00 0.0 M 0.0 M About the only snow left is where I piled it during removal operations. Natural snow cover is pretty much gone.
12/11/2010 6:00 AM 0.04 T M T M Rain showers late yesterday afternoon gave way to a couple of overnight skiffs of snow.
12/12/2010 6:00 AM T T M 0.0 M Light snow shower continued after obs time yesterday morning. Any slight snow accumulation that we had disappeared through sublimation by the end of the day.
12/13/2010 6:00 AM 0.01 0.1 M T M
12/14/2010 6:00 AM 0.00 0.0 M 0.0 M
12/15/2010 6:00 AM 0.00 0.0 M 0.0 M
12/16/2010 6:00 AM 0.01 T M 0.0 M A little misty rain and snow mix yesterday morning.
12/17/2010 6:00 AM 0.00 0.0 M 0.0 M
12/18/2010 6:00 AM T T M 0.0 M A skiff of snow yesterday morning, but by this morning all trace of it was gone.
12/19/2010 6:00 AM T T M 0.0 M Like yesterday's report, we had a light skiff of snow in the morning but no accumulation, and all trace of it was gone by this morning's obs time.
12/20/2010 6:00 AM 0.11 1.1 M 1.0 M Overnight snow.
12/21/2010 6:00 AM 0.00 0.0 M 0.5 M The sun took a toll on our little bit of snow cover yesterday afternoon.
12/22/2010 6:00 AM 0.00 0.0 M 0.5 M Some bare spots beginning to show, but on average I'll still call it 1/2".
12/23/2010 6:00 AM 0.04 0.0 M T M Freezing rain overnight and continuing at obs time. It's a skating rink out there.
12/24/2010 6:00 AM 0.05 T M T M Freezing rain continued thru mid-morning yesterday before it moved off to the east. Had a bit of snow in the air last evening, a trace on top of the ice this morning. It's slick out there.
12/25/2010 6:00 AM 0.00 0.0 M T M
12/26/2010 6:00 AM 0.00 0.0 M T M
12/27/2010 6:00 AM 0.00 0.0 M 0.0 M Sunny skies and highs in the 40's yesterday took care of most of the snow that was left.
12/28/2010 6:00 AM 0.00 0.0 M 0.0 M
12/29/2010 6:00 AM 0.00 0.0 M 0.0 M
12/30/2010 6:00 AM 0.01 0.2 M T M Snow started early this morning. Very cold and windy.
12/31/2010 6:00 AM 0.16 1.6 M 2.0 M Snowy windy day and night, though we are actually sheltered from the worst of the wind over here in the South Canyon area.
1/1/2011 6:00 AM 0.13 1.8 M 3.0 M Snow had quit by yesterday evening, but still windy. By this morning it was dead calm.
1/2/2011 6:00 AM 0.00 0.0 M 2.0 M
1/3/2011 6:00 AM 0.00 0.0 M 1.5 M
1/4/2011 6:00 AM 0.01 0.3 M 2.0 M A couple hours of snow showers yesterday morning, then partly cloudy with on-and-off sunshine.
1/5/2011 6:00 AM 0.00 0.0 M 2.0 M
1/6/2011 6:00 AM 0.00 0.0 M 1.5 M
1/7/2011 6:00 AM 0.03 0.0 M T M Sunny skies with highs in the lower 50's, followed by evening rain showers and overnight lows still above freezing, pretty much did in our snow cover.
1/8/2011 6:00 AM 0.02 0.2 M 0.5 M Started snowing sometime between 0330 and 0500.
1/9/2011 6:00 AM 0.08 1.0 M 1.0 M Snow quit by mid-morning yesterday and the sun came out and melted off most of the new snow. Then it started back up yesterday evening and is still snowing lightly at obs time.
1/10/2011 6:00 AM 0.01 0.3 M 1.5 M Snow continued until mid-morning yesterday.
1/11/2011 6:00 AM 0.00 0.0 M 1.0 M
1/12/2011 6:00 AM 0.00 0.0 M 1.0 M
1/13/2011 6:00 AM 0.00 0.0 M 1.0 M
1/14/2011 6:00 AM 0.00 0.0 M T M Warm weather and sunshine pretty well took care of our snow cover...a little left in the shaded areas is about all.
1/15/2011 6:00 AM T T M T M A light skiff of snow sometime early this morning - about the only place I could even see it was on the car in the driveway.
1/16/2011 6:00 AM 0.01 0.2 M T M Light snow fell for a while yesterday morning.
1/17/2011 6:00 AM 0.04 0.0 M 0.0 M Light rain showers overnight, the low had only gotten down to 43 at obs time.
1/18/2011 6:00 AM 0.05 0.5 M 0.5 M Wet snow showers yesterday afternoon with some melting, more snow overnight.
1/19/2011 6:00 AM 0.07 0.8 M 1.5 M On and off light snow all day and night, snowing at obs time.
1/20/2011 6:00 AM 0.01 0.1 M 1.5 M Light snow continued for a little while after obs time yesterday morning.
1/21/2011 6:00 AM 0.02 0.2 M 1.5 M
1/22/2011 6:00 AM 0.05 0.2 M 0.5 M Temps in the 40's and bright sun melted a lot of our snow cover yesterday, then we woke up to 33° with a wet snow/light rain mix this morning.
1/23/2011 6:00 AM 0.04 0.7 M 1.0 M Unsettled weather yesterday with minute-to-minute changes between sunshine, clouds and snow squalls. Warmed overnight from 9° when we went to bed to 21° at obs time.
1/24/2011 6:00 AM 0.00 0.0 M T M
1/25/2011 6:00 AM 0.00 0.0 M 0.0 M
1/26/2011 6:00 AM 0.00 0.0 M 0.0 M
1/27/2011 6:00 AM 0.00 0.0 M 0.0 M
1/28/2011 6:00 AM 0.00 0.0 M 0.0 M
1/29/2011 6:00 AM 0.00 0.0 M 0.0 M
1/30/2011 6:00 AM T T M T M Sleet, freezing mist, ice fog, you name it.
1/31/2011 6:00 AM 0.16 2.1 M 2.0 M COLD! ... sleet, freezing mist and snow.
2/1/2011 6:00 AM T T M 2.0 M
2/2/2011 6:00 AM T T M 2.0 M
2/3/2011 6:00 AM 0.00 0.0 M 2.0 M
2/4/2011 6:00 AM 0.00 0.0 M T M
2/5/2011 6:00 AM 0.02 0.0 M 0.0 M Rain shower late yesterday evening.
2/6/2011 6:00 AM 0.03 0.3 M 0.5 M Rain and snow showers yesterday morning, then new snowfall started between 0300 and 0330 this morning.
2/7/2011 6:00 AM 0.07 1.0 M 1.5 M On-and-off snow last 24 hours.
2/8/2011 6:00 AM 0.15 2.9 M 4.0 M Finally quit snowing sometime overnight, then it just got clear and cold: -13 F at obs time.
2/9/2011 6:00 AM 0.00 0.0 M 3.0 M
2/10/2011 6:00 AM 0.00 0.0 M 2.5 M
2/11/2011 6:00 AM 0.00 0.0 M 1.5 M
2/12/2011 6:00 AM T T M T M It was crazy, but just as I was leaving for work yesterday, about 0710-0715, one little cloud came over and it snowed for about 5 minutes, then it was gone.
2/13/2011 6:00 AM 0.00 0.0 M 0.0 M
2/14/2011 6:00 AM 0.00 0.0 M 0.0 M
2/15/2011 6:00 AM 0.00 0.0 M 0.0 M
2/16/2011 6:00 AM 0.00 0.0 M 0.0 M
2/17/2011 6:00 AM 0.00 0.0 M 0.0 M
2/18/2011 6:00 AM 0.00 0.0 M 0.0 M
2/19/2011 6:00 AM T T M T M When I got up at about 0530 it looked like it had just started snowing lightly.
2/20/2011 6:00 AM 0.28 3.3 M 3.5 M Snowing heavily at obs time.
2/21/2011 6:00 AM 0.30 3.2 M 6.0 M The snow quit late yesterday evening, clear and cold this morning.
2/22/2011 6:00 AM 0.00 0.0 M 5.0 M
2/23/2011 6:00 AM 0.00 0.0 M 4.0 M
2/24/2011 6:00 AM 0.12 1.7 M 5.5 M Started snowing overnight, snowing moderately at obs time.
2/25/2011 6:00 AM 0.09 1.3 M 6.0 M Snow has quit - for now.
2/26/2011 6:00 AM 0.14 2.3 M 7.5 M
2/27/2011 6:00 AM 0.00 0.0 M 6.5 M
2/28/2011 6:00 AM 0.00 0.0 M 5.5 M
3/1/2011 6:00 AM 0.00 0.0 M 4.5 M
3/2/2011 6:00 AM 0.00 0.0 M 4.0 M Ice fog yesterday and last night, but no actual precip.
3/3/2011 6:00 AM T T M 3.5 M Very light, very fine, very dry snow yesterday.
3/4/2011 6:00 AM 0.15 2.0 M 5.0 M Overnight snow, still snowing lightly at obs time.
3/5/2011 6:00 AM T T M 3.0 M A skiff of snow yesterday evening sometime while we were at the hockey game.
3/6/2011 6:00 AM 0.00 0.0 M 3.0 M Cold with heavy ice fog last night, a little clearer this morning but still cloudy and foggy.
3/7/2011 6:00 AM 0.09 1.4 M 4.5 M Overnight snow, snowing lightly at obs time.
3/8/2011 6:00 AM 0.07 0.7 M 5.0 M This snow just doesn't have the good sense to quit!
3/9/2011 6:00 AM 0.17 2.2 M 7.0 M Snow FINALLY stopped yesterday afternoon.
3/10/2011 6:00 AM 0.00 0.0 M 3.5 M
3/11/2011 6:00 AM 0.00 0.0 M T M
3/12/2011 6:00 AM 0.00 0.0 M T M Still a little snow cover left in the shaded areas, but it's going fast.
3/13/2011 6:00 AM 0.00 0.0 M T M Still a little snow cover left in the shaded areas, but this may be the last day for it.
3/14/2011 6:00 AM 0.00 0.0 M 0.0 M The only snow left is where it was piled up from snow removal of sidewalks and driveways.
3/15/2011 6:00 AM 0.01 0.0 M 0.0 M
3/16/2011 6:00 AM 0.00 0.0 M 0.0 M
3/17/2011 6:00 AM 0.05 0.0 M 0.0 M Overnight showers.
3/18/2011 6:00 AM 0.00 0.0 M 0.0 M
3/19/2011 6:00 AM 0.00 0.0 M 0.0 M
3/20/2011 6:00 AM 0.00 0.0 M 0.0 M
3/21/2011 6:00 AM 0.00 0.0 M 0.0 M
3/22/2011 6:00 AM T 0.0 M 0.0 M A very light mist falling - not much more than a heavy dense fog, but enough that you can feel it and see it on the car.
3/23/2011 6:00 AM 0.02 0.0 M 0.0 M Overnight shower.
3/24/2011 6:00 AM 0.03 T M 0.0 M Snow yesterday, but the ground was too warm for any accumulation.
3/25/2011 6:00 AM T T M T M Light dusting of snow earlier.
3/26/2011 6:00 AM 0.25 2.4 M 2.5 M Snow started overnight, snowing lightly at obs time. With the ground as warm as it is the snow was melting from the bottom, so actual snowfall could have been greater.
3/27/2011 6:00 AM 0.10 0.5 M 3.0 M Mix of light misty rain and snow yesterday gave over to dense fog/ice fog overnight.
3/28/2011 6:00 AM 0.12 0.3 M 2.5 M Occasional light snow, light misty rain and fog continued to be the order of the day for the past 24 hours.
3/29/2011 6:00 AM 0.04 T M T M A little rain and snow again, but the ground is so warm that there is more bare ground than snow cover this morning. Snowing very lightly again at obs time.
3/30/2011 6:00 AM T T M 0.0 M
3/31/2011 6:00 AM 0.05 0.0 M 0.0 M A couple of light rain showers overnight.
4/1/2011 6:00 AM 0.12 0.0 M 0.0 M Not a lot of rain last 24 hours, but typical damp, showery spring weather.
4/2/2011 6:00 AM T 0.0 M 0.0 M A few light sprinkles of rain after obs time yesterday morning, but not enough to measure.
4/3/2011 6:00 AM T 0.0 M 0.0 M Got enough rain to wet the sidewalk sometime in the middle of the night.
4/4/2011 6:00 AM 0.09 0.4 M 0.5 M Wet snow started yesterday afternoon, melting as it fell until the sun went down, then it started to accumulate some. It had quit by the time we went to bed.
4/5/2011 6:00 AM 0.00 0.0 M 0.0 M
4/6/2011 6:00 AM 0.00 0.0 M 0.0 M
4/7/2011 6:00 AM T 0.0 M 0.0 M A few sprinkles around lunch time yesterday.
4/8/2011 6:00 AM 0.00 0.0 M 0.0 M
4/9/2011 6:00 AM 0.18 0.0 M 0.0 M Brief but fairly heavy thundershower yesterday afternoon. First lightning of the season.
4/10/2011 6:00 AM 0.09 0.0 M 0.0 M Light misty rain. Typical wet, cool April weather cycle.
4/11/2011 6:00 AM 0.01 0.0 M 0.0 M A little light misty rain continued into yesterday morning.
4/12/2011 6:00 AM 0.00 0.0 M 0.0 M
4/13/2011 6:00 AM 0.24 0.0 M 0.0 M Rain sometime overnight.
4/14/2011 6:00 AM 0.02 T M T M Started snowing sometime before 0500, but with the warm ground it didn't start to accumulate until later. At daylight it is just starting to turn the ground white.
4/15/2011 6:00 AM 0.17 1.5 M 1.0 M Snow cover is pretty uneven with faster melting in some places than in others.
4/16/2011 6:00 AM 0.00 0.0 M 0.0 M
4/17/2011 6:00 AM T 0.0 M 0.0 M Just enough mid-afternoon sprinkles of rain to be irritating for taking prom pictures.
4/18/2011 6:00 AM 0.37 3.0 M 3.0 M Heavy wet snow started sometime overnight, still falling at obs time.
4/19/2011 6:00 AM 0.35 2.0 M 4.5 M Snow mostly melted as it fell yesterday, but accumulated some overnight.
4/20/2011 6:00 AM 0.04 T M 0.0 M Light snow continued after obs time yesterday morning, but by afternoon the sun came out and it is all gone now.
4/21/2011 6:00 AM T 0.0 M 0.0 M Sometime around 0200 this morning I heard and saw a few rain drops pinging off the bedroom window, but that was about it.
4/22/2011 6:00 AM 0.58 0.0 M 0.0 M First real T-storm of the season yesterday evening. See separate hail report.
4/23/2011 6:00 AM 0.01 0.0 M 0.0 M A couple of fast moving light showers passed through yesterday morning.
4/24/2011 6:00 AM 0.00 0.0 M 0.0 M
4/25/2011 6:00 AM 0.01 0.0 M 0.0 M Fast-moving hit-and-run shower around 1700 yesterday.
4/26/2011 6:00 AM T 0.0 M 0.0 M A few sprinkles of rain early yesterday evening, about enough to spot the sidewalk.
4/27/2011 6:00 AM 0.05 0.0 M 0.0 M A couple waves of light showers yesterday evening and overnight.
4/28/2011 6:00 AM 0.18 0.0 M 0.0 M On-and-off rain showers all day and into the evening pushed out overnight. Clear blue sky this morning.
4/29/2011 6:00 AM 0.00 0.0 M 0.0 M
4/30/2011 6:00 AM 0.01 T M 0.0 M Beginning to spit a little snow at obs time.
5/1/2011 6:00 AM T T M 0.0 M Snow squalls rode through on a cold, hard wind yesterday morning, but no accumulation. I had a couple drops of water in the bottom of my collector this morning.
5/2/2011 6:00 AM 0.02 T M 0.0 M Light rain or rain/snow squalls continued to ride through on strong NW winds into early afternoon, then slowly blew out to the east by evening.
5/3/2011 6:00 AM T T M 0.0 M A spritz of rain, a skiff of snow. It had all cleared the area by early afternoon.
5/4/2011 6:00 AM T M M M M Light rain started around 0530, but it hasn't amounted to much yet.
5/5/2011 6:00 AM T M M M M One quick late-afternoon rain shower.
5/6/2011 6:00 AM 0.00 0.0 M M M
5/7/2011 6:00 AM 0.00 0.0 M M M
5/8/2011 6:00 AM 0.00 0.0 M M M
5/9/2011 6:00 AM 0.00 0.0 M M M Cloudy, damp and gray morning, but no rain yet.
5/10/2011 6:00 AM 0.02 M M M M All we got out of the T-storms in the area was enough to wet the ground.
5/11/2011 6:00 AM 0.00 0.0 M M M
5/12/2011 6:00 AM 0.43 M M M M Light, misty, cold rain started around 1600-1630 yesterday afternoon and continues at obs time.
5/13/2011 6:00 AM 0.29 M M M M Rainy day all day yesterday, quit by early evening but still have low dark overcast this morning.
5/14/2011 6:00 AM 0.02 T M 0.0 M Overnight rain shower, with a few SNOW pellets blowing around at obs time.
5/15/2011 6:00 AM 0.01 T M 0.0 M That was fat 0.01" this morning, but well short of 0.02".
5/16/2011 6:00 AM 0.00 0.0 M M M
5/17/2011 6:00 AM 0.00 0.0 M M M Getting pretty dark off toward the north, but nothing here yet.
5/18/2011 6:00 AM 0.35 M M M M Steady rain overnight, but had stopped by obs time (at least for now).
5/19/2011 6:00 AM 0.08 M M M M
5/20/2011 6:00 AM 2.68 M M M M Raining lightly at obs time.
5/21/2011 6:00 AM 0.04 M M M M
5/22/2011 6:00 AM 0.54 M M M M Not raining at obs time, but looks like it could start again most any time.
5/23/2011 6:00 AM 0.05 M M M M
5/24/2011 6:00 AM 0.95 M M M M Steady rain and a little lightning overnight.
5/25/2011 6:00 AM 0.62 M M M M The rain continues...
5/26/2011 6:00 AM 0.02 M M M M Rain finally broke up and the sun came out by mid-morning yesterday.
5/27/2011 6:00 AM 0.04 M M M M A passing shower as we were eating supper.
5/28/2011 6:00 AM T M M M M
5/29/2011 6:00 AM 0.58 M M M M Moderate to heavy rain started in the early hours of this morning, continues at obs time.
5/30/2011 6:00 AM 1.72 M M M M Pretty much continuous light to moderate rain last 24 hours, raining very lightly at obs time.
5/31/2011 6:00 AM 0.01 M M M M Finally awoke to blue sky this morning.
6/1/2011 6:00 AM 0.00 0.0 M M M
6/2/2011 6:00 AM 0.00 0.0 M M M
6/3/2011 6:00 AM 0.00 0.0 M M M
6/4/2011 6:00 AM 0.00 0.0 M M M
6/5/2011 6:00 AM 0.00 0.0 M M M
6/6/2011 6:00 AM 0.00 0.0 M M M
6/7/2011 6:00 AM 0.02 M M M M
6/8/2011 6:00 AM 0.00 0.0 M M M
6/9/2011 6:00 AM 0.10 M M M M
6/10/2011 6:00 AM 0.54 M M M M
6/11/2011 6:00 AM 0.04 M M M M
6/12/2011 6:00 AM 0.21 M M M M
6/13/2011 6:00 AM 0.01 M M M M
6/14/2011 6:00 AM 0.07 M M M M
6/15/2011 6:00 AM 0.02 M M M M
6/16/2011 6:00 AM 0.00 0.0 M M M
6/17/2011 6:00 AM 0.05 M M M M
6/18/2011 6:00 AM 0.00 0.0 M M M
6/19/2011 6:00 AM 0.00 0.0 M M M
6/20/2011 6:00 AM 0.22 M M M M
6/21/2011 6:00 AM 0.40 M M M M
6/22/2011 6:00 AM 0.44 M M M M
6/23/2011 6:00 AM 0.00 0.0 M M M
6/24/2011 6:00 AM 0.00 0.0 M M M
6/25/2011 6:00 AM 1.45 M M M M
6/26/2011 6:00 AM 0.96 M M M M Of the 0.96" for the 24 hours, 0.91" fell during the quoted time span. The remaining 0.05" fell in a separate shower around midnight.
6/27/2011 6:00 AM 0.02 M M M M
6/28/2011 6:00 AM 0.00 0.0 M M M
6/29/2011 6:00 AM 0.00 0.0 M M M
6/30/2011 6:00 AM T M M M M
7/1/2011 6:00 AM 0.03 M M M M Light shower yesterday evening.
7/2/2011 6:00 AM 0.33 M M M M This was not a single event, but a series of showers that went on-and-off all afternoon.
7/3/2011 6:00 AM 0.04 M M M M
7/4/2011 6:00 AM 0.00 0.0 M M M
7/5/2011 6:00 AM T M M M M We must have gotten a spritz of rain sometime overnight, as I had a little water in the bottom of my collector this morning that wasn't there yesterday.
7/6/2011 6:00 AM 0.00 0.0 M M M
7/7/2011 6:00 AM 0.03 M M M M
7/8/2011 6:00 AM 0.00 0.0 M M M
7/9/2011 6:00 AM 0.05 M M M M Got a trace during a quick shower yesterday afternoon, but most of the total fell in a t-shower generally between 0100 and 0130 this morning.
7/10/2011 6:00 AM 0.00 0.0 M M M
7/11/2011 6:00 AM 0.01 M M M M Light quick shower right as I was getting off work at around 1700-1730.
7/12/2011 6:00 AM 0.02 M M M M Light shower yesterday afternoon. As with most storm systems that come in from Wyoming, it split north and south of the Black Hills, with very little making it over the Hills to Rapid City.
7/13/2011 6:00 AM 0.05 M M M M Dark, dismal morning with light drizzling rain.
7/14/2011 6:00 AM 0.06 M M M M Light rain finally broke up and moved out late yesterday morning.
7/15/2011 6:00 AM 0.00 0.0 M M M
7/16/2011 6:00 AM T M M M M One little shower tried to develop over the Hills yesterday afternoon, but after dropping a few big drops on the sidewalk it dissipated pretty quickly.
7/17/2011 6:00 AM 0.00 0.0 M M M
7/18/2011 6:00 AM 0.00 0.0 M M M
7/19/2011 6:00 AM 0.00 0.0 M M M
7/20/2011 6:00 AM 0.00 0.0 M M M
7/21/2011 6:00 AM 0.00 0.0 M M M
7/22/2011 6:00 AM T M M M M A bit of precip as a t-shower passed mostly north of us yesterday afternoon.
7/23/2011 6:00 AM 0.00 0.0 M M M
7/24/2011 6:00 AM 0.00 0.0 M M M Lots of lightning off to the North and Northwest overnight, but nothing got down to us.
7/25/2011 6:00 AM 0.00 0.0 M M M
7/26/2011 6:00 AM 0.59 M M M M Heavy t-storms yesterday afternoon. There was also hail with the rain, but I was at work and I don't have enough info to do a hail report.
7/27/2011 6:00 AM 0.00 0.0 M M M
7/28/2011 6:00 AM 0.55 M M M M Another series of heavy t-storms yesterday afternoon and evening.
7/29/2011 6:00 AM 0.06 M M M M Another yesterday afternoon t-shower.
7/30/2011 6:00 AM T M M M M Just got grazed by the southern edge of a pretty good t-storm that passed to our north yesterday afternoon.
7/31/2011 6:00 AM 0.00 0.0 M M M
8/1/2011 6:00 AM 0.15 M M M M One t-shower came through in the evening before we went to bed, then a stronger one came through overnight.
8/2/2011 6:00 AM 0.04 M M M M We got 0.02 in a little shower late yesterday afternoon, then must have gotten another 0.02 sometime overnight.
8/3/2011 6:00 AM 0.00 0.0 M M M
8/4/2011 6:00 AM 0.33 M M M M Heavy t-storms yesterday afternoon.
8/5/2011 6:00 AM 0.00 0.0 M M M
8/6/2011 6:00 AM T M M M M Barely got clipped by the north edge of a pretty good t-storm that passed to the south. Large drops, but not enough of them to even wet the sidewalk completely.
8/7/2011 6:00 AM 0.20 M M M M We got 0.19 in 15 minutes out of a t-storm yesterday afternoon (1435-1450) along with a little hail (see hail report). We added another 0.01 from a little t-shower about 0400 this morning.
8/8/2011 6:00 AM 0.44 M M M M Heavy line of T-storms pushed through yesterday afternoon.
8/9/2011 6:00 AM 0.04 M M M M Our usual afternoon shower.
8/10/2011 6:00 AM 0.06 M M M M Our usual afternoon t-shower.
8/11/2011 6:00 AM 0.02 M M M M
8/12/2011 6:00 AM 0.26 M M M M
8/13/2011 6:00 AM 0.00 0.0 M M M
8/14/2011 6:00 AM 0.00 0.0 M M M
8/15/2011 6:00 AM T M M M M
8/16/2011 6:00 AM 0.00 0.0 M M M
8/17/2011 6:00 AM 0.00 0.0 M M M
8/18/2011 6:00 AM 0.00 0.0 M M M
8/19/2011 6:00 AM 0.00 0.0 M M M
8/20/2011 6:00 AM 0.00 0.0 M M M
8/21/2011 6:00 AM 0.00 0.0 M M M
8/22/2011 6:00 AM 0.01 M M M M Just caught the southern edge of a couple of overnight t-storms that passed to the north. Calling it 0.01 may be giving it a lot of credit, but it was more than just a trace.
8/23/2011 6:00 AM 0.00 0.0 M M M
8/24/2011 6:00 AM 0.00 0.0 M M M
8/25/2011 6:00 AM 0.00 0.0 M M M
8/26/2011 5:00 AM T M M M M Lots of dry lightning, very little rain yesterday afternoon.
8/27/2011 6:00 AM 0.00 0.0 M M M
8/28/2011 6:00 AM 0.01 M M M M A quick shower from a little t-storm that passed just to our south late yesterday afternoon.
8/29/2011 6:00 AM 0.01 M M M M A little early morning shower - quiet, no thunder - very unusual.
8/30/2011 6:00 AM 0.90 M M M M Got 0.59 from daytime showers yesterday, then another 0.31 from a passing t-storm late last night.
8/31/2011 6:00 AM 0.00 0.0 M M M
9/1/2011 6:00 AM 0.00 0.0 M M M
9/2/2011 6:00 AM 0.05 M M M M A series of mostly dry t-storms rolled through yesterday evening - a lot of lightning, not a lot of rain.
9/3/2011 6:00 AM 0.00 0.0 M M M
9/4/2011 6:00 AM 0.00 0.0 M M M
9/5/2011 6:00 AM 0.00 0.0 M M M
9/6/2011 6:00 AM 0.00 0.0 M M M
9/7/2011 6:00 AM 0.00 0.0 M M M
9/8/2011 6:00 AM 0.00 0.0 M M M
9/9/2011 6:00 AM 0.00 0.0 M M M
9/10/2011 6:00 AM 0.00 0.0 M M M
9/11/2011 6:00 AM 0.00 0.0 M M M
9/12/2011 6:00 AM 0.00 0.0 M M M
9/13/2011 6:00 AM 0.00 0.0 M M M
9/14/2011 6:00 AM T M M M M A bit of light drizzle started around 0530.
9/15/2011 6:00 AM 0.23 M M M M Rain off and on yesterday morning and again early this morning round 0400-0430.
9/16/2011 6:00 AM 0.04 M M M M Light showers continued for a little while after obs time yesterday morning.
9/17/2011 6:00 AM 0.00 0.0 M M M
9/18/2011 6:00 AM 0.13 M M M M A little shower yesterday afternoon, but most of the precip fell last night.
9/19/2011 6:00 AM 0.00 0.0 M M M
9/20/2011 6:00 AM 0.00 0.0 M M M
9/21/2011 6:00 AM 0.00 0.0 M M M
9/22/2011 6:00 AM 0.00 0.0 M M M
9/23/2011 6:00 AM 0.00 0.0 M M M
9/24/2011 6:00 AM 0.00 0.0 M M M
9/25/2011 6:00 AM 0.00 0.0 M M M
9/26/2011 6:00 AM 0.00 0.0 M M M
9/27/2011 6:00 AM 0.00 0.0 M M M
9/28/2011 6:00 AM 0.00 0.0 M M M
9/29/2011 6:00 AM 0.00 0.0 M M M
9/30/2011 6:00 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
4/21/2011 7:03 PM 3/8" 1/4" Pea Size Rice Mixed|Clear Ice|White Ice 6 1min no damage Continuous True After rain Same time as smaller hail 10-20 0.75
6/24/2011 7:00 PM 1/2" Grape 3/8" 1/4" Pea Size Mixed|Clear Ice|White Ice 10 2min minor leaf damage Continuous True After rain After smaller hail 50-60
6/25/2011 8:24 PM 5/8" 3/8" 1/4" Pea Size Hard|White Ice 6 1min no damage Continuous True After rain After smaller hail 10-20
8/6/2011 2:37 PM Not a great deal of hail fell. The largest hail fell in the first couple of minutes. 3/8" 1/4" Pea Size Rice Mixed|Clear Ice|White Ice 5 1min no damage Intermittent True After rain Same time as smaller hail vertical