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 17 1.30 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 0.50 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 0.27 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 0.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 0.38 0.41 4 0.41 4 0.00 0 0 2 0 9.0 2 4
March 18 0.85 1.17 8 1.17 8 0.00 0 0 8 0 13.4 6 1
April 18 1.67 1.96 12 1.96 12 0.00 0 0 11 1 18.0 6 0
May 18 3.31 3.47 19 3.47 19 0.00 0 0 16 3 0.0 0 0
June 18 2.58 7.16 12 7.16 12 0.00 0 0 12 0 0.0 0 0
July 18 1.93 4.96 14 3.77 11 1.19 3 1 10 1 0.0 0 0
Aug 18 1.70 0.95 17 0.95 7 0.00 10 0 6 1 0.0 0 0
Sept 18 1.27 1.25 28 0.82 6 0.43 22 2 5 0 0.0 0 0
Water Year Totals: 16.01" 21.33" 114 days 19.71" 79 1.62" 35 days 3 70 days 6 days 40.4" 14 days 5 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017
12/17/2017
12/18/2017
12/19/2017
12/20/2017
12/21/2017
12/22/2017
12/23/2017
12/24/2017
12/25/2017
12/26/2017
12/27/2017
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018 0.24
2/20/2018 0.17
2/21/2018 0.00
2/22/2018 0.00
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018 0.30
3/17/2018 0.24
3/18/2018
3/19/2018 0.05
3/20/2018
3/21/2018
3/22/2018
3/23/2018 0.03
3/24/2018
3/25/2018
3/26/2018 0.35
3/27/2018 0.03
3/28/2018
3/29/2018 0.06
3/30/2018
3/31/2018 0.11
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018 0.14
4/4/2018
4/5/2018 0.14
4/6/2018 0.14
4/7/2018
4/8/2018
4/9/2018 0.04
4/10/2018
4/11/2018
4/12/2018 T
4/13/2018 0.90
4/14/2018 0.28
4/15/2018
4/16/2018
4/17/2018
4/18/2018 0.03
4/19/2018
4/20/2018
4/21/2018 0.01
4/22/2018
4/23/2018
4/24/2018 0.22
4/25/2018 0.02
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018 0.04
5/1/2018 0.17
5/2/2018 T
5/3/2018 T
5/4/2018 0.01
5/5/2018
5/6/2018 0.04
5/7/2018 T
5/8/2018 0.03
5/9/2018 0.03
5/10/2018 0.01
5/11/2018 0.01
5/12/2018 0.35
5/13/2018 0.24
5/14/2018
5/15/2018 0.03
5/16/2018
5/17/2018
5/18/2018 0.72
5/19/2018 0.22
5/20/2018
5/21/2018
5/22/2018
5/23/2018 0.46
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018 0.66
5/29/2018 0.23
5/30/2018 0.26
5/31/2018
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018 0.03
6/10/2018
6/11/2018 0.09
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018 0.01
6/17/2018 1.36
6/18/2018 0.71
6/19/2018 0.96
6/20/2018 2.10
6/21/2018 0.10
6/22/2018
6/23/2018 0.02
6/24/2018 0.02
6/25/2018 1.63
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018 0.13
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.12
7/2/2018
7/3/2018
7/4/2018 0.61
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018 0.83
7/10/2018
7/11/2018
7/12/2018 0.05
7/13/2018 0.01
7/14/2018
7/15/2018 1.26
7/16/2018 **
7/17/2018 **
7/18/2018 1.19
7/19/2018 0.32
7/20/2018
7/21/2018
7/22/2018 0.48
7/23/2018
7/24/2018
7/25/2018
7/26/2018 T
7/27/2018
7/28/2018 0.07
7/29/2018 0.02
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018 0.03
8/7/2018 0.11
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018 0.32
8/16/2018 T
8/17/2018
8/18/2018
8/19/2018 0.16
8/20/2018 0.22
8/21/2018 0.11
8/22/2018 **
8/23/2018 **
8/24/2018 **
8/25/2018 **
8/26/2018 **
8/27/2018 **
8/28/2018 **
8/29/2018 **
8/30/2018 **
8/31/2018 **
9/1/2018 **
9/2/2018 **
9/3/2018 **
9/4/2018 **
9/5/2018 **
9/6/2018 **
9/7/2018 **
9/8/2018 **
9/9/2018 **
9/10/2018 **
9/11/2018 **
9/12/2018 **
9/13/2018 **
9/14/2018 **
9/15/2018 **
9/16/2018 **
9/17/2018 **
9/18/2018 **
9/19/2018 0.43
9/20/2018 0.35
9/21/2018 0.15
9/22/2018 **
9/23/2018 **
9/24/2018 0.00
9/25/2018 0.16
9/26/2018
9/27/2018
9/28/2018 0.15
9/29/2018 0.01
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/19/2018 7:00 AM 0.24 5.0 M 6.0 M
2/20/2018 7:00 AM 0.17 4.0 M 9.0 M
2/21/2018 7:00 AM 0.00 0.0 M 8.5 M low of 25 below
2/22/2018 7:00 AM 0.00 0.0 M 8.0 M low or 13 below
3/16/2018 7:00 AM 0.30 6.0 M M M
3/17/2018 7:00 AM 0.24 4.0 M 9.5 M
3/19/2018 7:00 AM 0.05 0.2 M M M rain first
3/23/2018 7:00 AM 0.03 M M M M
3/26/2018 7:00 AM 0.35 2.5 M M M
3/27/2018 7:00 AM 0.03 0.2 M M M
3/29/2018 7:00 AM 0.06 0.5 M M M
3/31/2018 7:00 AM 0.11 T M M M
4/3/2018 7:00 AM 0.14 3.0 M M M
4/5/2018 7:00 AM 0.14 3.0 M M M
4/6/2018 9:00 AM 0.14 3.0 M M M
4/9/2018 7:00 AM 0.04 0.5 M M M
4/12/2018 7:00 AM T M M M M
4/13/2018 7:00 AM 0.90 4.0 M M M rain 10:30 until 2 am then snow continues
4/14/2018 7:00 AM 0.28 4.5 M M M
4/18/2018 7:00 AM 0.03 M M M M
4/21/2018 7:00 AM 0.01 M M M M
4/24/2018 7:00 AM 0.22 T M M M
4/25/2018 7:00 AM 0.02 T M M M
4/30/2018 7:00 AM 0.04 M M M M
5/1/2018 7:00 AM 0.17 M M M M
5/2/2018 7:00 AM T M M M M
5/3/2018 7:00 AM T M M M M
5/4/2018 7:00 AM 0.01 M M M M
5/6/2018 7:00 AM 0.04 M M M M
5/7/2018 7:00 AM T M M M M
5/8/2018 7:00 AM 0.03 M M M M
5/9/2018 7:00 AM 0.03 M M M M
5/10/2018 7:00 AM 0.01 M M M M
5/11/2018 7:00 AM 0.01 M M M M
5/12/2018 7:00 AM 0.35 M M M M
5/13/2018 7:00 AM 0.24 M M M M
5/15/2018 7:00 AM 0.03 M M M M
5/18/2018 7:00 AM 0.72 M M M M
5/19/2018 7:00 AM 0.22 M M M M
5/23/2018 7:00 AM 0.46 M M M M
5/28/2018 7:00 AM 0.66 M M M M
5/29/2018 7:00 AM 0.23 M M M M
5/30/2018 7:00 AM 0.26 M M M M
6/9/2018 7:00 AM 0.03 M M M M
6/11/2018 7:00 AM 0.09 M M M M
6/16/2018 7:00 AM 0.01 M M M M
6/17/2018 7:00 AM 1.36 M M M M
6/18/2018 7:00 AM 0.71 M M M M
6/19/2018 7:00 AM 0.96 M M M M 3.03" for 3 days
6/20/2018 7:00 AM 2.10 M M M M still raining
6/21/2018 7:00 AM 0.10 M M M M 5.23" in 5 days
6/23/2018 7:00 AM 0.02 M M M M
6/24/2018 7:00 AM 0.02 M M M M
6/25/2018 7:00 AM 1.63 M M M M 7.03 this month, the wettest june since my records going back to 1975. some minor flooding with water going over sunset ranch road.
6/30/2018 7:00 AM 0.13 M M M M
7/1/2018 7:00 AM 0.12 M M M M
7/4/2018 7:00 AM 0.61 M M M M
7/9/2018 7:00 AM 0.83 M M M M
7/12/2018 7:00 AM 0.05 M M M M
7/13/2018 7:00 AM 0.01 M M M M
7/15/2018 7:00 AM 1.26 M M M M .49 yesterday afternoon, rest early this morning
7/19/2018 7:00 AM 0.32 M M M M
7/22/2018 7:00 AM 0.48 M M M M 4.87 for month, the wettest july since my records started in 1975, this following the wettest june, some stock dams are still not yet full.
7/26/2018 7:00 AM T M M M M
7/28/2018 7:00 AM 0.07 M M M M
7/29/2018 7:00 AM 0.02 M M M M
8/6/2018 7:00 AM 0.03 M M M M
8/7/2018 7:00 AM 0.11 M M M M
8/15/2018 7:00 AM 0.32 M M M M
8/16/2018 7:00 AM T M M M M
8/19/2018 7:00 AM 0.16 M M M M
8/20/2018 7:00 AM 0.22 M M M M
8/21/2018 7:00 AM 0.11 M M M M
9/20/2018 7:00 AM 0.35 M M M M
9/21/2018 7:00 AM 0.15 M M M M
9/25/2018 7:00 AM 0.16 M M M M
9/28/2018 7:00 AM 0.15 M M M M
9/29/2018 7:00 AM 0.01 M M M M
9/30/2018 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
7/16/2018 7/18/2018 7:00 AM 3 1.19 M M
8/22/2018 9/19/2018 7:00 AM 29 0.43 M M
9/22/2018 9/24/2018 7:00 AM 3 0.00 M 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