Station Overview Station Location
Station Number SD-PN-22 Latitude 44.1
Station Name Box Elder 6.2 ESE Longitude -102.95
County Pennington Elevation (ft) 2926



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 18 1.30 1.18 31 1.18 22 0.00 9 2 9 3 4.0 4 1
Nov 18 0.50 0.50 29 0.50 29 0.00 0 0 8 8 3.2 5 1
Dec 18 0.27 1.41 30 1.41 19 0.00 11 2 8 2 16.7 6 6
Jan 19 0.25 0.45 29 0.45 10 0.00 19 2 7 1 6.4 7 0
Feb 19 0.38 0.69 10 0.69 10 0.00 0 0 9 1 14.1 10 2
March 19 0.85 1.11 10 1.00 7 0.11 3 1 6 1 13.6 5 2
April 19 1.67 2.09 19 2.09 11 0.00 8 2 11 0 11.8 4 0
May 19 3.31 8.21 23 7.50 20 0.71 3 1 20 0 5.0 4 0
June 19 2.58 1.81 14 1.81 14 0.00 0 0 14 0 0.0 0 0
July 19 1.93 5.85 18 5.85 18 0.00 0 0 18 0 0.0 0 0
Aug 19 1.70 3.22 14 3.22 14 0.00 0 0 14 0 0.0 0 0
Sept 19 1.27 0.85 6 0.85 6 0.00 0 0 5 0 0.0 0 0
Water Year Totals: 16.01" 27.37" 233 days 26.55" 180 0.82" 53 days 10 129 days 16 days 74.8" 45 days 12 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
10/1/2018 0.02
10/2/2018 **
10/3/2018 **
10/4/2018 0.00
10/5/2018 0.25
10/6/2018 0.04
10/7/2018 0.01
10/8/2018 0.15
10/9/2018 0.33
10/10/2018 0.18
10/11/2018 T
10/12/2018 0.04
10/13/2018 0.00
10/14/2018 0.16
10/15/2018 T
10/16/2018 0.00
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 **
10/20/2018 **
10/21/2018 **
10/22/2018 **
10/23/2018 **
10/24/2018 0.00
10/25/2018 0.00
10/26/2018 0.00
10/27/2018 0.00
10/28/2018 0.00
10/29/2018 0.00
10/30/2018 T
10/31/2018 0.00
11/1/2018 0.00
11/2/2018 T
11/3/2018 0.18
11/4/2018 0.03
11/5/2018 0.06
11/6/2018 T
11/7/2018 0.00
11/8/2018 T
11/9/2018 0.03
11/10/2018 T
11/11/2018 0.00
11/12/2018 0.03
11/13/2018 T
11/14/2018
11/15/2018 0.00
11/16/2018 0.00
11/17/2018 0.03
11/18/2018 0.00
11/19/2018 T
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 0.12
11/26/2018 T
11/27/2018 0.00
11/28/2018 0.00
11/29/2018 T
11/30/2018 0.02
12/1/2018 0.22
12/2/2018 0.34
12/3/2018 0.00
12/4/2018 T
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 T
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.01
12/13/2018 0.05
12/14/2018 **
12/15/2018 **
12/16/2018 **
12/17/2018 **
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 **
12/21/2018 **
12/22/2018 **
12/23/2018 **
12/24/2018 **
12/25/2018 0.00
12/26/2018 0.10
12/27/2018 0.06
12/28/2018 0.10
12/29/2018 0.00
12/30/2018
12/31/2018 0.53
Day of YearDaily PrcpMultiday Prcp
1/1/2019 **
1/2/2019 **
1/3/2019 **
1/4/2019 **
1/5/2019 **
1/6/2019 **
1/7/2019 **
1/8/2019 **
1/9/2019 **
1/10/2019 **
1/11/2019 **
1/12/2019 **
1/13/2019 **
1/14/2019 **
1/15/2019 **
1/16/2019 **
1/17/2019 T
1/18/2019 0.10
1/19/2019 T
1/20/2019 **
1/21/2019 T
1/22/2019 0.17
1/23/2019 0.00
1/24/2019 0.03
1/25/2019 0.00
1/26/2019 0.06
1/27/2019 0.02
1/28/2019 0.04
1/29/2019 0.03
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019 0.10
2/5/2019
2/6/2019
2/7/2019 0.19
2/8/2019
2/9/2019
2/10/2019 0.04
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019 0.12
2/16/2019 0.05
2/17/2019 0.04
2/18/2019 0.04
2/19/2019
2/20/2019 T
2/21/2019
2/22/2019 0.02
2/23/2019
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019 0.09
3/1/2019
3/2/2019 0.04
3/3/2019 T
3/4/2019
3/5/2019
3/6/2019
3/7/2019 0.11
3/8/2019
3/9/2019 0.21
3/10/2019
3/11/2019
3/12/2019
3/13/2019
3/14/2019 0.57
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019 **
3/24/2019 **
3/25/2019 0.11
3/26/2019 0.05
3/27/2019
3/28/2019
3/29/2019
3/30/2019 0.02
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019 0.02
4/4/2019 0.18
4/5/2019
4/6/2019
4/7/2019 0.06
4/8/2019
4/9/2019
4/10/2019 0.45
4/11/2019 0.44
4/12/2019 0.28
4/13/2019 **
4/14/2019 **
4/15/2019 **
4/16/2019 T
4/17/2019 0.12
4/18/2019 **
4/19/2019 **
4/20/2019 **
4/21/2019 T
4/22/2019 0.25
4/23/2019
4/24/2019
4/25/2019 0.11
4/26/2019
4/27/2019 0.11
4/28/2019
4/29/2019
4/30/2019 0.07
5/1/2019 0.38
5/2/2019 0.07
5/3/2019
5/4/2019
5/5/2019
5/6/2019 0.05
5/7/2019 0.14
5/8/2019 0.36
5/9/2019 0.26
5/10/2019
5/11/2019 0.01
5/12/2019 0.03
5/13/2019
5/14/2019
5/15/2019 0.03
5/16/2019 0.04
5/17/2019 **
5/18/2019 **
5/19/2019 0.71
5/20/2019 0.16
5/21/2019 0.77
5/22/2019 2.55
5/23/2019 0.14
5/24/2019 0.18
5/25/2019
5/26/2019 0.02
5/27/2019 0.34
5/28/2019 0.82
5/29/2019 1.11
5/30/2019 0.04
5/31/2019
6/1/2019 0.26
6/2/2019
6/3/2019 0.01
6/4/2019
6/5/2019 0.19
6/6/2019 0.02
6/7/2019
6/8/2019 0.20
6/9/2019
6/10/2019
6/11/2019 0.02
6/12/2019 0.01
6/13/2019
6/14/2019
6/15/2019 0.31
6/16/2019
6/17/2019 0.03
6/18/2019
6/19/2019 0.02
6/20/2019 0.13
6/21/2019 0.42
6/22/2019
6/23/2019 0.02
6/24/2019
6/25/2019 0.17
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.21
7/2/2019
7/3/2019 1.65
7/4/2019 0.26
7/5/2019 1.75
7/6/2019 0.10
7/7/2019
7/8/2019
7/9/2019 0.05
7/10/2019 0.04
7/11/2019
7/12/2019 0.24
7/13/2019
7/14/2019 0.10
7/15/2019 0.02
7/16/2019 0.01
7/17/2019 0.52
7/18/2019 0.07
7/19/2019
7/20/2019 0.04
7/21/2019
7/22/2019 0.04
7/23/2019
7/24/2019
7/25/2019 0.28
7/26/2019
7/27/2019
7/28/2019 0.10
7/29/2019
7/30/2019
7/31/2019 0.37
8/1/2019
8/2/2019 0.77
8/3/2019
8/4/2019 0.26
8/5/2019 0.05
8/6/2019
8/7/2019
8/8/2019
8/9/2019 0.15
8/10/2019
8/11/2019 0.54
8/12/2019 0.44
8/13/2019
8/14/2019 0.17
8/15/2019 0.38
8/16/2019 0.01
8/17/2019
8/18/2019 0.02
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019 0.01
8/25/2019
8/26/2019 0.40
8/27/2019 0.01
8/28/2019
8/29/2019
8/30/2019
8/31/2019 0.01
9/1/2019
9/2/2019 0.02
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019 0.03
9/8/2019
9/9/2019 0.14
9/10/2019
9/11/2019 0.04
9/12/2019 0.62
9/13/2019 0.00
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 7:00 AM 0.02 M M M M
10/5/2018 7:00 AM 0.25 M M M M
10/6/2018 7:00 AM 0.04 M M M M
10/7/2018 7:00 AM 0.01 M M M M
10/8/2018 7:00 AM 0.15 0.2 M M M snow measured on rail fence
10/9/2018 7:00 AM 0.33 1.8 M 1.0 M
10/10/2018 7:00 AM 0.18 0.5 M M M
10/11/2018 7:00 AM T M M M M
10/12/2018 7:00 AM 0.04 M M M M
10/13/2018 7:00 AM 0.00 0.0 M M M
10/14/2018 7:00 AM 0.16 1.5 M M M
10/15/2018 7:00 AM T T M M M
10/16/2018 7:00 AM 0.00 0.0 M M M
10/17/2018 7:00 AM 0.00 0.0 M M M
10/18/2018 7:00 AM 0.00 0.0 M M M
10/25/2018 7:00 AM 0.00 0.0 M M M
10/26/2018 7:00 AM 0.00 0.0 M M M
10/27/2018 7:00 AM 0.00 0.0 M M M
10/28/2018 7:00 AM 0.00 0.0 M M M
10/29/2018 7:00 AM 0.00 0.0 M M M
10/30/2018 7:00 AM T M M M M
10/31/2018 7:00 AM 0.00 0.0 M M M
11/1/2018 7:00 AM 0.00 0.0 M M M
11/2/2018 7:00 AM T M M M M
11/3/2018 7:00 AM 0.18 M M M M
11/4/2018 7:00 AM 0.03 M M M M
11/5/2018 7:00 AM 0.06 M M M M
11/6/2018 7:00 AM T M M M M
11/7/2018 7:00 AM 0.00 0.0 M M M
11/8/2018 7:00 AM T 0.1 M M M
11/9/2018 7:00 AM 0.03 0.5 M 0.5 M
11/10/2018 7:00 AM T T M M M
11/11/2018 7:00 AM 0.00 0.0 M M M
11/12/2018 7:00 AM 0.03 0.5 M M M
11/13/2018 7:00 AM T T M M M
11/15/2018 7:00 AM 0.00 0.0 M M M
11/16/2018 7:00 AM 0.00 0.0 M M M
11/17/2018 7:00 AM 0.03 0.2 M M M rain, freezing rain and light snow
11/18/2018 7:00 AM 0.00 0.0 M M M
11/19/2018 7:00 AM T M M M M
11/20/2018 7:00 AM 0.00 0.0 M M M
11/21/2018 7:00 AM 0.00 0.0 M M M
11/22/2018 7:00 AM 0.00 0.0 M M M
11/23/2018 7:00 AM 0.00 0.0 M M M
11/24/2018 7:00 AM 0.00 0.0 M M M
11/25/2018 7:00 AM 0.12 1.9 M M M light rain turned to snow
11/26/2018 7:00 AM T T M M M
11/27/2018 7:00 AM 0.00 0.0 M M M
11/28/2018 7:00 AM 0.00 0.0 M M M
11/29/2018 7:00 AM T 0.0 M M M
11/30/2018 7:00 AM 0.02 0.0 M M M
12/1/2018 7:00 AM 0.22 1.4 M M M rain turned to snow about 4 a.m.
12/2/2018 7:00 AM 0.34 4.0 M 5.0 M
12/3/2018 7:00 AM 0.00 0.0 M M M
12/4/2018 7:00 AM T T M 4.0 M
12/5/2018 7:00 AM 0.00 0.0 M M M
12/6/2018 7:00 AM 0.00 0.0 M M M
12/7/2018 7:00 AM T M M M M
12/8/2018 7:00 AM 0.00 0.0 M M M
12/9/2018 7:00 AM 0.00 0.0 M M M
12/10/2018 6:20 AM 0.00 0.0 M M M 3 degrees right now
12/11/2018 7:00 AM 0.00 0.0 M M M
12/12/2018 7:00 AM 0.01 T M M M mostly light rain
12/13/2018 7:00 AM 0.05 0.0 M M M
12/19/2018 7:00 AM 0.00 0.0 M M M
12/26/2018 8:00 AM 0.10 1.0 M M M fog then snow after 6 a.m.
12/27/2018 7:00 AM 0.06 0.8 M 1.5 M
12/28/2018 7:00 AM 0.10 4.5 M 6.0 M fluffy windblown snow
12/29/2018 7:00 AM 0.00 0.0 M 5.0 M low of 8 below
12/31/2018 1:00 PM 0.53 5.0 M 7.0 M 36 hr total, first came as rain, then snow drifting to 4 feet and brutally cold
1/18/2019 7:00 AM 0.10 1.0 M M M
1/19/2019 7:00 AM T 0.2 M M M
1/22/2019 7:00 AM 0.17 3.0 M M M
1/23/2019 7:00 AM 0.00 0.0 M M M
1/24/2019 7:00 AM 0.03 0.5 M M M
1/25/2019 7:00 AM 0.00 0.0 M M M
1/26/2019 7:00 AM 0.06 0.8 M M M
1/27/2019 7:00 AM 0.02 T M M M
1/28/2019 8:00 AM 0.04 0.3 M M M rain in afternoon tnen snow at nighr and flurry at 7:30 am
1/29/2019 7:00 AM 0.03 0.6 M M M
2/4/2019 7:00 AM 0.10 2.0 M M M
2/7/2019 7:00 AM 0.19 4.0 M M M
2/10/2019 7:00 AM 0.04 1.2 M M M
2/15/2019 8:30 AM 0.12 3.0 M M M
2/16/2019 7:00 AM 0.05 0.8 M M M
2/17/2019 7:00 AM 0.04 0.5 M M M
2/18/2019 7:00 AM 0.04 0.5 M 6.0 M
2/20/2019 7:00 AM T 0.2 M M M
2/22/2019 7:00 AM 0.02 0.3 M M M
2/28/2019 7:00 AM 0.09 1.6 M 7.0 M
3/2/2019 7:00 AM 0.04 2.0 M M M
3/3/2019 7:00 AM T 0.1 M 6.0 M low of 17 below
3/7/2019 7:00 AM 0.11 3.0 M M M
3/9/2019 7:00 AM 0.21 2.5 M 10.0 M
3/14/2019 7:00 AM 0.57 6.0 M M M measurments may not be too accurate with powerful winds. drifting not too troublesome. drifts are ten feet deep in the shelterbelts.
3/26/2019 7:00 AM 0.05 T M M M
3/30/2019 7:00 AM 0.02 T M M M
4/3/2019 7:00 AM 0.02 T M M M
4/4/2019 7:00 AM 0.18 M M M M
4/7/2019 7:00 AM 0.06 M M M M
4/10/2019 7:00 AM 0.45 2.0 M M M
4/11/2019 7:00 AM 0.44 5.0 M M M
4/12/2019 7:00 AM 0.28 4.0 M M M
4/17/2019 7:00 AM 0.12 M M M M
4/22/2019 7:00 AM 0.25 M M M M
4/25/2019 7:00 AM 0.11 M M M M
4/27/2019 7:00 AM 0.11 M M M M
4/30/2019 7:00 AM 0.07 0.8 M M M
5/1/2019 7:00 AM 0.38 4.0 M M M
5/2/2019 7:00 AM 0.07 0.5 M M M
5/6/2019 7:00 AM 0.05 M M M M
5/7/2019 7:00 AM 0.14 M M M M
5/8/2019 7:00 AM 0.36 M M M M
5/9/2019 7:00 AM 0.26 M M M M
5/11/2019 7:00 AM 0.01 M M M M
5/12/2019 7:00 AM 0.03 M M M M
5/15/2019 7:00 AM 0.03 M M M M
5/16/2019 7:00 AM 0.04 M M M M
5/20/2019 7:00 AM 0.16 T M M M
5/21/2019 7:00 AM 0.77 0.3 M M M
5/22/2019 7:00 AM 2.55 0.2 M M M
5/23/2019 7:00 AM 0.14 M M M M
5/24/2019 7:00 AM 0.18 M M M M
5/26/2019 7:00 AM 0.02 M M M M
5/27/2019 7:00 AM 0.34 M M M M
5/28/2019 7:00 AM 0.82 M M M M
5/29/2019 7:00 AM 1.11 M M M M most flooding on box elder valley since 1972, no comparison to 1972
5/30/2019 7:00 AM 0.04 M M M M
6/1/2019 7:00 AM 0.26 M M M M
6/3/2019 7:00 AM 0.01 M M M M
6/5/2019 7:00 AM 0.19 M M M M
6/6/2019 7:00 AM 0.02 M M M M
6/8/2019 7:00 AM 0.20 M M M M
6/11/2019 7:00 AM 0.02 M M M M
6/12/2019 7:00 AM 0.01 M M M M
6/15/2019 7:00 AM 0.31 M M M M
6/17/2019 7:00 AM 0.03 M M M M
6/19/2019 7:00 AM 0.02 M M M M
6/20/2019 7:00 AM 0.13 M M M M
6/21/2019 7:00 AM 0.42 M M M M
6/23/2019 7:00 AM 0.02 M M M M
6/25/2019 7:00 AM 0.17 M M M M
7/1/2019 7:00 AM 0.21 M M M M
7/3/2019 7:00 AM 1.65 M M M M
7/4/2019 7:00 AM 0.26 M M M M
7/5/2019 7:00 AM 1.75 M M M M
7/6/2019 7:00 AM 0.10 M M M M
7/9/2019 7:00 AM 0.05 M M M M two small funnels popped out of the clouds just southeast of us at 3 pm
7/10/2019 7:00 AM 0.04 M M M M two small funnels popped out of the clouds just southeast of us at 3 pm
7/12/2019 7:00 AM 0.24 M M M M
7/14/2019 7:00 AM 0.10 M M M M
7/15/2019 7:00 AM 0.02 M M M M
7/16/2019 7:00 AM 0.01 M M M M
7/17/2019 7:00 AM 0.52 M M M M
7/18/2019 7:00 AM 0.07 M M M M
7/20/2019 7:00 AM 0.04 M M M M
7/22/2019 7:00 AM 0.04 M M M M
7/25/2019 7:00 AM 0.28 M M M M
7/28/2019 7:00 AM 0.10 M M M M
7/31/2019 7:00 AM 0.37 M M M M
8/2/2019 7:00 AM 0.77 M M M M
8/4/2019 7:00 AM 0.26 M M M M
8/5/2019 7:00 AM 0.05 M M M M
8/9/2019 7:00 AM 0.15 M M M M
8/11/2019 7:00 AM 0.54 M M M M
8/12/2019 7:00 AM 0.44 M M M M
8/14/2019 7:20 AM 0.17 M M M M
8/15/2019 7:00 AM 0.38 M M M M
8/16/2019 7:00 AM 0.01 M M M M
8/18/2019 7:00 AM 0.02 M M M M
8/24/2019 7:00 AM 0.01 M M M M
8/26/2019 7:00 AM 0.40 M M M M
8/27/2019 7:00 AM 0.01 M M M M
8/31/2019 7:00 AM 0.01 M M M M
9/2/2019 7:00 AM 0.02 M M M M
9/7/2019 7:00 AM 0.03 M M M M
9/9/2019 7:00 AM 0.14 M M M M
9/11/2019 7:00 AM 0.04 M M M M
9/12/2019 7:00 AM 0.62 M M M M
9/13/2019 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
10/2/2018 10/04/2018 7:00 AM 3 0.00 M M
10/19/2018 10/24/2018 7:00 AM 6 0.00 M M
12/14/2018 12/18/2018 7:00 AM 5 0.00 M M
12/20/2018 12/25/2018 7:00 AM 6 0.00 M M
1/1/2019 1/17/2019 7:00 AM 17 T M M
1/20/2019 1/21/2019 7:00 AM 2 T M M
3/23/2019 3/25/2019 7:00 AM 3 0.11 M M
4/13/2019 4/16/2019 7:00 AM 4 T M M
4/18/2019 4/21/2019 7:00 AM 4 T M M
5/17/2019 5/19/2019 7:00 AM 3 0.71 T M



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