Station Overview Station Location
Station Number ID-PW-4 Latitude 42.76525
Station Name American Falls 3.6 ESE Longitude -112.78567
County Power Elevation (ft) 4648



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 0.92 0.55 23 0.53 15 0.02 8 2 4 1 0.5 1 1
Nov 17 1.08 1.11 29 0.28 7 0.83 22 3 3 2 0.8 1 0
Dec 17 1.17 0.23 6 0.23 6 0.00 0 0 3 0 1.1 1 1
Jan 18 1.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 0.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 1.26 0.02 1 0.02 1 0.00 0 0 1 0 0.0 0 0
April 18 1.25 0.42 9 0.42 8 0.00 1 0 3 1 0.0 0 0
May 18 1.57 1.37 21 1.04 16 0.33 5 3 8 3 0.0 0 0
June 18 1.11 0.79 28 0.79 25 0.00 3 1 7 2 0.0 0 0
July 18 0.65 0.01 23 0.01 20 0.00 3 1 1 3 0.0 0 0
Aug 18 0.63 0.25 31 0.00 26 0.25 5 2 0 1 0.0 0 0
Sept 18 0.86 0.00 14 0.00 6 0.00 8 1 0 1 0.0 0 0
Water Year Totals: 12.46" 4.75" 185 days 3.32" 130 1.43" 55 days 13 30 days 14 days 2.4" 3 days 2 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 0.36
10/3/2017 0.06
10/4/2017 0.01
10/5/2017 **
10/6/2017 **
10/7/2017 **
10/8/2017 0.00
10/9/2017 T
10/10/2017
10/11/2017
10/12/2017
10/13/2017 0.00
10/14/2017 0.10
10/15/2017
10/16/2017 0.00
10/17/2017
10/18/2017 0.00
10/19/2017 **
10/20/2017 **
10/21/2017 **
10/22/2017 0.02
10/23/2017 0.00
10/24/2017 0.00
10/25/2017 0.00
10/26/2017
10/27/2017 0.00
10/28/2017 0.00
10/29/2017 0.00
10/30/2017 0.00
10/31/2017
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 T
11/4/2017 0.17
11/5/2017 0.06
11/6/2017 **
11/7/2017 **
11/8/2017 **
11/9/2017 0.05
11/10/2017 T
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 0.78
11/27/2017 0.05
11/28/2017 **
11/29/2017 T
11/30/2017
12/1/2017 0.05
12/2/2017
12/3/2017
12/4/2017 0.06
12/5/2017 0.00
12/6/2017 0.00
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017 0.00
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 0.12
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
2/20/2018
2/21/2018
2/22/2018
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
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018 0.02
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018 0.02
4/12/2018 0.36
4/13/2018 T
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018 0.00
4/20/2018
4/21/2018
4/22/2018
4/23/2018 0.04
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 0.00
4/27/2018
4/28/2018
4/29/2018
4/30/2018 **
5/1/2018 0.02
5/2/2018
5/3/2018 0.00
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018
5/11/2018 T
5/12/2018 0.20
5/13/2018 **
5/14/2018 0.24
5/15/2018 **
5/16/2018 0.07
5/17/2018 T
5/18/2018 0.12
5/19/2018 0.02
5/20/2018 0.08
5/21/2018 T
5/22/2018
5/23/2018
5/24/2018 0.13
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.02
5/29/2018 0.19
5/30/2018 0.00
5/31/2018 0.28
6/1/2018 0.14
6/2/2018 0.01
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 T
6/9/2018 0.00
6/10/2018 0.00
6/11/2018
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 0.49
6/17/2018 T
6/18/2018 0.03
6/19/2018 0.04
6/20/2018 **
6/21/2018 **
6/22/2018 0.00
6/23/2018 0.00
6/24/2018 0.01
6/25/2018 0.00
6/26/2018 0.00
6/27/2018
6/28/2018 0.00
6/29/2018 0.00
6/30/2018 0.07
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018 0.00
7/5/2018 0.00
7/6/2018
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 T
7/10/2018 0.00
7/11/2018 0.00
7/12/2018
7/13/2018
7/14/2018
7/15/2018 0.00
7/16/2018 T
7/17/2018 0.01
7/18/2018 **
7/19/2018 **
7/20/2018 0.00
7/21/2018
7/22/2018 T
7/23/2018 0.00
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.00
7/27/2018 0.00
7/28/2018 0.00
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.00
8/6/2018 0.00
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.00
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 **
8/19/2018 **
8/20/2018 0.00
8/21/2018 T
8/22/2018 **
8/23/2018 0.25
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.00
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
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 0.00
9/17/2018 T
9/18/2018
9/19/2018 0.00
9/20/2018
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2017 8:00 AM 0.36 M M M M Rain fell during the night, changing to snow about 6AM.
10/3/2017 8:00 AM 0.06 M M M M
10/4/2017 8:00 AM 0.01 M M M M
10/9/2017 8:00 AM T M M M M
10/13/2017 8:00 AM 0.00 0.0 M M M
10/14/2017 8:00 AM 0.10 0.5 M 0.5 M
10/16/2017 8:00 AM 0.00 0.0 M M M
10/18/2017 8:00 AM 0.00 0.0 M M M
10/23/2017 8:00 AM 0.00 0.0 M M M
10/24/2017 8:00 AM 0.00 0.0 M M M
10/25/2017 8:00 AM 0.00 0.0 M M M
10/27/2017 8:00 AM 0.00 0.0 M M M
10/28/2017 8:00 AM 0.00 0.0 M M M
10/29/2017 8:00 AM 0.00 0.0 M M M
10/30/2017 8:00 AM 0.00 0.0 M M M
11/1/2017 8:00 AM 0.00 0.0 M M M
11/2/2017 8:00 AM 0.00 0.0 M M M
11/3/2017 8:20 AM T M M M M
11/4/2017 8:00 AM 0.17 T M M M
11/5/2017 8:00 AM 0.06 0.8 M M M
11/10/2017 8:00 AM T M M M M
11/27/2017 8:30 AM 0.05 0.0 M M M Rain started during the night. It was still raining at 8:30 AM.
12/1/2017 8:05 AM 0.05 1.1 M 1.0 M Snow fell during the night.
12/4/2017 8:00 AM 0.06 M M M M Snow fell off and on from about 1 PM Sunday. Snow depth varies from zero to several inches.
12/5/2017 8:00 AM 0.00 0.0 M M M
12/6/2017 8:00 AM 0.00 0.0 M M M
12/11/2017 8:00 AM 0.00 0.0 M M M
12/23/2017 8:00 AM 0.12 M M M M The snow depth varies from zero to a foot or so.
3/24/2018 8:00 AM 0.02 M M M M
4/11/2018 8:00 AM 0.02 M M M M
4/12/2018 8:00 AM 0.36 M M M M
4/13/2018 8:00 AM T M M M M Trace of hard snow or very small hail early afternoon.
4/19/2018 8:00 AM 0.00 0.0 M M M
4/23/2018 8:00 AM 0.04 M M M M
4/24/2018 8:00 AM 0.00 0.0 M M M
4/25/2018 8:00 AM 0.00 0.0 M M M
4/26/2018 8:00 AM 0.00 0.0 M M M
5/3/2018 8:00 AM 0.00 0.0 M M M
5/11/2018 6:45 AM T M M M M
5/12/2018 6:40 AM 0.20 M M M M Rain started sometime between three and six PM. Still drizzling this morning.
5/17/2018 8:00 AM T M M M M
5/18/2018 7:15 AM 0.12 M M M M
5/19/2018 8:00 AM 0.02 M M M M
5/20/2018 8:00 AM 0.08 M M M M
5/21/2018 8:00 AM T M M M M
5/24/2018 7:00 AM 0.13 M M M M
5/25/2018 8:00 AM 0.00 0.0 M M M
5/26/2018 8:00 AM 0.00 0.0 M M M
5/27/2018 8:00 AM 0.00 0.0 M M M
5/28/2018 8:00 AM 0.02 M M M M
5/29/2018 8:00 AM 0.19 M M M M The rain fell around 11 PM.
5/30/2018 8:00 AM 0.00 0.0 M M M
5/31/2018 7:40 AM 0.28 M M M M 0.17 in fell between 1:15 and 3:15; the rest fell after 7:00 PM
6/1/2018 8:00 AM 0.14 M M M M
6/2/2018 8:00 AM 0.01 M M M M
6/3/2018 8:00 AM 0.00 0.0 M M M
6/4/2018 8:00 AM 0.00 0.0 M M M
6/5/2018 8:00 AM 0.00 0.0 M M M
6/6/2018 7:00 AM 0.00 0.0 M M M
6/7/2018 8:00 AM 0.00 0.0 M M M
6/8/2018 8:00 AM T M M M M
6/9/2018 8:00 AM 0.00 0.0 M M M
6/10/2018 7:00 AM 0.00 0.0 M M M
6/12/2018 8:00 AM 0.00 0.0 M M M
6/13/2018 8:00 AM 0.00 0.0 M M M
6/14/2018 8:00 AM 0.00 0.0 M M M
6/15/2018 8:00 AM 0.00 0.0 M M M
6/16/2018 8:00 AM 0.49 M M M M The rain fell during the night.
6/17/2018 8:00 AM T M M M M
6/18/2018 8:00 AM 0.03 M M M M
6/19/2018 8:00 AM 0.04 M M M M
6/23/2018 8:00 AM 0.00 0.0 M M M
6/24/2018 8:00 AM 0.01 M M M M
6/25/2018 8:00 AM 0.00 0.0 M M M
6/26/2018 8:00 AM 0.00 0.0 M M M
6/28/2018 8:00 AM 0.00 0.0 M M M
6/29/2018 8:00 AM 0.00 0.0 M M M
6/30/2018 7:00 AM 0.07 M M M M Rain fell during the night, I think around 4:30 AM
7/4/2018 8:00 AM 0.00 0.0 M M M
7/5/2018 8:00 AM 0.00 0.0 M M M
7/7/2018 8:00 AM 0.00 0.0 M M M
7/8/2018 8:00 AM 0.00 0.0 M M M
7/9/2018 8:00 AM T M M M M
7/10/2018 8:00 AM 0.00 0.0 M M M
7/11/2018 8:00 AM 0.00 0.0 M M M
7/15/2018 8:00 AM 0.00 0.0 M M M
7/16/2018 8:00 AM T M M M M
7/17/2018 8:00 AM 0.01 M M M M
7/22/2018 8:00 AM T M M M M
7/23/2018 8:00 AM 0.00 0.0 M M M
7/24/2018 8:00 AM 0.00 0.0 M M M
7/25/2018 8:00 AM 0.00 0.0 M M M
7/26/2018 8:00 AM 0.00 0.0 M M M
7/27/2018 8:00 AM 0.00 0.0 M M M
7/28/2018 8:00 AM 0.00 0.0 M M M
7/29/2018 8:00 AM 0.00 0.0 M M M
7/30/2018 8:00 AM 0.00 0.0 M M M
7/31/2018 8:00 AM 0.00 0.0 M M M
8/1/2018 8:00 AM 0.00 0.0 M M M
8/2/2018 8:00 AM 0.00 0.0 M M M
8/3/2018 8:00 AM 0.00 0.0 M M M
8/4/2018 8:00 AM 0.00 0.0 M M M
8/5/2018 8:00 AM 0.00 0.0 M M M
8/6/2018 8:00 AM 0.00 0.0 M M M
8/7/2018 8:00 AM 0.00 0.0 M M M
8/8/2018 8:00 AM 0.00 0.0 M M M
8/9/2018 8:00 AM 0.00 0.0 M M M
8/10/2018 8:00 AM 0.00 0.0 M M M
8/11/2018 8:00 AM 0.00 0.0 M M M
8/12/2018 8:00 AM 0.00 0.0 M M M
8/13/2018 8:00 AM 0.00 0.0 M M M
8/14/2018 8:00 AM 0.00 0.0 M M M
8/15/2018 8:00 AM 0.00 0.0 M M M
8/16/2018 8:00 AM 0.00 0.0 M M M
8/17/2018 8:00 AM 0.00 0.0 M M M
8/21/2018 8:00 AM T M M M M
8/24/2018 8:00 AM 0.00 0.0 M M M
8/25/2018 8:00 AM 0.00 0.0 M M M
8/26/2018 8:00 AM 0.00 0.0 M M M
8/27/2018 8:00 AM 0.00 0.0 M M M
8/28/2018 8:00 AM 0.00 0.0 M M M
8/29/2018 8:00 AM 0.00 0.0 M M M
8/30/2018 8:00 AM 0.00 0.0 M M M
8/31/2018 8:00 AM 0.00 0.0 M M M
9/1/2018 8:00 AM 0.00 0.0 M M M
9/2/2018 8:00 AM 0.00 0.0 M M M
9/3/2018 8:00 AM 0.00 0.0 M M M
9/4/2018 8:00 AM 0.00 0.0 M M M
9/17/2018 8:00 AM T M M M M
9/19/2018 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/5/2017 10/08/2017 8:00 AM 4 0.00 M M
10/19/2017 10/22/2017 8:00 AM 4 0.02 M M
11/6/2017 11/09/2017 8:00 AM 4 0.05 M M There is a small amount of snow left in shady spaces.
11/11/2017 11/26/2017 8:00 AM 16 0.78 M M
11/28/2017 11/29/2017 8:00 AM 2 T M M
4/30/2018 5/01/2018 8:00 AM 2 0.02 M M
5/13/2018 5/14/2018 8:00 AM 2 0.24 M M
5/15/2018 5/16/2018 8:00 AM 2 0.07 M M
6/20/2018 6/22/2018 8:00 AM 3 0.00 M M
7/18/2018 7/20/2018 6:30 AM 3 0.00 M M
8/18/2018 8/20/2018 8:00 AM 3 0.00 M M
8/22/2018 8/23/2018 5:00 PM 2 0.25 M M
9/9/2018 9/16/2018 8:00 AM 8 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