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 16 0.92 2.15 11 2.15 11 0.00 0 0 8 0 0.0 0 0
Nov 16 1.08 0.04 17 0.04 17 0.00 0 0 1 0 0.0 0 0
Dec 16 1.17 1.16 22 0.66 12 0.50 10 2 7 1 0.0 0 0
Jan 17 1.01 2.55 23 2.55 23 0.00 0 0 14 2 7.9 5 0
Feb 17 0.95 1.91 23 1.91 23 0.00 0 0 15 1 3.9 3 1
March 17 1.26 0.88 24 0.88 24 0.00 0 0 10 3 4.5 3 1
April 17 1.25 1.93 19 1.73 15 0.20 4 1 8 1 1.2 1 1
May 17 1.57 0.73 8 0.73 8 0.00 0 0 3 1 0.0 0 0
June 17 1.11 0.03 7 0.03 7 0.00 0 0 1 0 0.0 0 0
July 17 0.65 0.00 8 0.00 8 0.00 0 0 0 3 0.0 0 0
Aug 17 0.63 0.26 18 0.18 10 0.08 8 1 4 1 0.0 0 0
Sept 17 0.86 2.43 23 2.14 20 0.29 3 1 5 3 0.0 0 0
Water Year Totals: 12.46" 14.07" 203 days 13.00" 178 1.07" 25 days 5 76 days 16 days 17.5" 12 days 3 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
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016 0.26
10/16/2016 0.14
10/17/2016 0.47
10/18/2016 0.01
10/19/2016 0.02
10/20/2016 0.00
10/21/2016 0.00
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016 0.09
10/29/2016 0.57
10/30/2016 0.00
10/31/2016 0.59
11/1/2016 0.04
11/2/2016
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.00
11/19/2016 0.00
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016 **
12/6/2016 **
12/7/2016 **
12/8/2016 **
12/9/2016 **
12/10/2016 0.50
12/11/2016 0.15
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 T
12/15/2016 0.18
12/16/2016 0.14
12/17/2016
12/18/2016
12/19/2016
12/20/2016 0.00
12/21/2016 0.02
12/22/2016
12/23/2016 0.00
12/24/2016 0.03
12/25/2016 0.12
12/26/2016 0.02
12/27/2016 **
12/28/2016 **
12/29/2016 **
12/30/2016 T
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017 0.08
1/4/2017 0.15
1/5/2017 0.06
1/6/2017 0.00
1/7/2017
1/8/2017 0.18
1/9/2017 0.53
1/10/2017 0.14
1/11/2017 0.44
1/12/2017 0.05
1/13/2017
1/14/2017 0.00
1/15/2017 0.00
1/16/2017 T
1/17/2017 0.00
1/18/2017
1/19/2017 0.48
1/20/2017 0.01
1/21/2017 0.02
1/22/2017 T
1/23/2017 0.01
1/24/2017 0.39
1/25/2017
1/26/2017
1/27/2017
1/28/2017 0.01
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 0.00
2/3/2017
2/4/2017 0.01
2/5/2017 0.00
2/6/2017 0.02
2/7/2017 0.20
2/8/2017 0.26
2/9/2017 0.05
2/10/2017 0.42
2/11/2017 0.02
2/12/2017 0.00
2/13/2017 0.00
2/14/2017 0.00
2/15/2017
2/16/2017 0.00
2/17/2017 0.02
2/18/2017
2/19/2017 0.32
2/20/2017 0.05
2/21/2017 0.20
2/22/2017 0.06
2/23/2017 0.21
2/24/2017 0.05
2/25/2017 T
2/26/2017
2/27/2017 0.02
2/28/2017
3/1/2017
3/2/2017 0.00
3/3/2017 0.00
3/4/2017 0.00
3/5/2017
3/6/2017 0.13
3/7/2017 0.05
3/8/2017 0.06
3/9/2017 0.00
3/10/2017 T
3/11/2017 0.00
3/12/2017 T
3/13/2017 0.00
3/14/2017
3/15/2017 0.00
3/16/2017 0.00
3/17/2017
3/18/2017 0.00
3/19/2017 0.05
3/20/2017 0.00
3/21/2017
3/22/2017 0.07
3/23/2017 0.04
3/24/2017 0.00
3/25/2017 0.10
3/26/2017
3/27/2017 T
3/28/2017 0.02
3/29/2017
3/30/2017 0.21
3/31/2017 0.15
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017 0.00
4/3/2017 0.04
4/4/2017 0.11
4/5/2017
4/6/2017
4/7/2017 0.00
4/8/2017 0.86
4/9/2017
4/10/2017
4/11/2017
4/12/2017 0.00
4/13/2017
4/14/2017 0.28
4/15/2017 0.00
4/16/2017
4/17/2017 0.01
4/18/2017 0.11
4/19/2017 **
4/20/2017 **
4/21/2017 **
4/22/2017 0.20
4/23/2017 0.00
4/24/2017 0.00
4/25/2017 0.17
4/26/2017 T
4/27/2017 0.15
4/28/2017
4/29/2017
4/30/2017
5/1/2017 0.00
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017 T
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017 0.42
5/18/2017 0.07
5/19/2017
5/20/2017 0.00
5/21/2017 0.24
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017 0.00
5/30/2017 0.00
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017 0.00
6/7/2017 0.00
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017 0.00
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.03
6/28/2017
6/29/2017
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 T
7/6/2017
7/7/2017
7/8/2017 0.00
7/9/2017 0.00
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017 0.00
7/23/2017
7/24/2017 T
7/25/2017 T
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017 0.02
8/9/2017 0.10
8/10/2017
8/11/2017 0.00
8/12/2017 T
8/13/2017 0.00
8/14/2017
8/15/2017 0.05
8/16/2017
8/17/2017
8/18/2017 0.00
8/19/2017 **
8/20/2017 **
8/21/2017 **
8/22/2017 **
8/23/2017 **
8/24/2017 **
8/25/2017 **
8/26/2017 0.08
8/27/2017
8/28/2017
8/29/2017 0.00
8/30/2017 0.00
8/31/2017 0.01
9/1/2017 T
9/2/2017 0.00
9/3/2017 0.00
9/4/2017 0.00
9/5/2017 0.00
9/6/2017
9/7/2017
9/8/2017
9/9/2017 T
9/10/2017 T
9/11/2017 0.00
9/12/2017 0.00
9/13/2017 0.00
9/14/2017 **
9/15/2017 **
9/16/2017 0.29
9/17/2017 0.29
9/18/2017
9/19/2017 0.26
9/20/2017
9/21/2017 0.96
9/22/2017 0.59
9/23/2017 0.04
9/24/2017 0.00
9/25/2017 0.00
9/26/2017
9/27/2017 0.00
9/28/2017 0.00
9/29/2017 0.00
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/15/2016 7:50 AM 0.26 M M M M
10/16/2016 8:00 AM 0.14 M M M M
10/17/2016 8:00 AM 0.47 M M M M
10/18/2016 8:00 AM 0.01 M M M M
10/19/2016 8:00 AM 0.02 M M M M
10/20/2016 8:00 AM 0.00 0.0 M M M
10/21/2016 8:00 AM 0.00 0.0 M M M
10/28/2016 8:00 AM 0.09 M M M M
10/29/2016 8:00 AM 0.57 M M M M
10/30/2016 8:00 AM 0.00 0.0 M M M
10/31/2016 8:00 AM 0.59 M M M M
11/1/2016 8:00 AM 0.04 M M M M
11/3/2016 8:00 AM 0.00 0.0 M M M
11/4/2016 8:00 AM 0.00 0.0 M M M
11/5/2016 8:00 AM 0.00 0.0 M M M
11/6/2016 8:00 AM 0.00 0.0 M M M
11/7/2016 8:00 AM 0.00 0.0 M M M
11/9/2016 8:00 AM 0.00 0.0 M M M
11/10/2016 8:00 AM 0.00 0.0 M M M
11/11/2016 8:00 AM 0.00 0.0 M M M
11/12/2016 8:00 AM 0.00 0.0 M M M
11/13/2016 8:00 AM 0.00 0.0 M M M
11/14/2016 8:00 AM 0.00 0.0 M M M
11/15/2016 8:00 AM 0.00 0.0 M M M
11/16/2016 8:00 AM 0.00 0.0 M M M
11/17/2016 8:00 AM 0.00 0.0 M M M
11/18/2016 8:00 AM 0.00 0.0 M M M
11/19/2016 8:00 AM 0.00 0.0 M M M
12/11/2016 8:00 AM 0.15 M M M M
12/12/2016 8:00 AM 0.00 0.0 M M M
12/13/2016 8:00 AM 0.00 0.0 M M M
12/14/2016 8:00 AM T T M M M
12/15/2016 8:00 AM 0.18 M M M M
12/16/2016 8:30 AM 0.14 0.0 M 0.0 M
12/20/2016 8:00 AM 0.00 0.0 M M M
12/21/2016 8:00 AM 0.02 M M M M
12/23/2016 8:00 AM 0.00 0.0 M M M
12/24/2016 8:00 AM 0.03 0.0 M M M
12/25/2016 8:00 AM 0.12 M M M M Precip was snow.
12/26/2016 8:00 AM 0.02 M M M M It was very windy yesterday, so not much of the snow landed in the rain gauge. The depth of new snow varies from 0 inches to two or three feet.
1/3/2017 8:20 AM 0.08 1.5 M M M
1/4/2017 7:50 AM 0.15 M M M M
1/5/2017 8:00 AM 0.06 M M M M
1/6/2017 7:55 AM 0.00 0.0 M M M
1/8/2017 8:00 AM 0.18 M M M M
1/9/2017 8:50 AM 0.53 M M M M
1/10/2017 7:50 AM 0.14 M M M M melted show from the outside of the gauge:.61 in
1/11/2017 7:40 AM 0.44 M M M M There are still patches of snow.
1/12/2017 8:00 AM 0.05 M M M M
1/14/2017 8:00 AM 0.00 0.0 M M M
1/15/2017 8:00 AM 0.00 0.0 M M M
1/16/2017 8:00 AM T M M M M
1/17/2017 8:00 AM 0.00 0.0 M M M
1/19/2017 8:05 AM 0.48 5.2 M M M
1/20/2017 8:15 AM 0.01 0.3 M M M
1/21/2017 8:20 AM 0.02 0.2 M M M
1/22/2017 8:00 AM T T M M M
1/23/2017 8:15 AM 0.01 0.7 M M M
1/24/2017 8:15 AM 0.39 M M M M Depth of new snow is impossible to measure. Our picnic table is bare, but the nearby bird bath is almost totally buried (about 2 feet).
1/28/2017 8:20 AM 0.01 T M M M
1/29/2017 8:00 AM 0.00 0.0 M M M
1/30/2017 8:00 AM 0.00 0.0 M M M
1/31/2017 8:00 AM 0.00 0.0 M M M
2/1/2017 8:00 AM 0.00 0.0 M M M
2/2/2017 8:00 AM 0.00 0.0 M M M
2/4/2017 8:00 AM 0.01 M M M M
2/5/2017 7:45 AM 0.00 0.0 M M M
2/6/2017 8:00 AM 0.02 M M M M
2/7/2017 8:00 AM 0.20 0.7 M M M wet slush under the snow
2/8/2017 8:00 AM 0.26 M M M M About 4 inches of snow yesterday AM. That is all gone, and more of the old snow is gone. Ground is firm in some places.
2/9/2017 8:00 AM 0.05 M M M M
2/10/2017 8:00 AM 0.42 M M M M
2/11/2017 8:00 AM 0.02 M M M M
2/12/2017 8:00 AM 0.00 0.0 M M M
2/13/2017 8:00 AM 0.00 0.0 M M M
2/14/2017 8:00 AM 0.00 0.0 M M M
2/16/2017 8:00 AM 0.00 0.0 M M M
2/17/2017 8:00 AM 0.02 M M M M Some hail Thursday evening.
2/19/2017 7:56 AM 0.32 M M M M
2/20/2017 8:00 AM 0.05 M M M M
2/21/2017 8:00 AM 0.20 M M M M
2/22/2017 8:00 AM 0.06 M M M M
2/23/2017 8:00 AM 0.21 2.5 M 2.5 M
2/24/2017 8:00 AM 0.05 M M M M
2/25/2017 8:00 AM T M M M M
2/27/2017 8:00 AM 0.02 0.7 M M M
3/2/2017 8:00 AM 0.00 0.0 M M M
3/3/2017 8:00 AM 0.00 0.0 M M M
3/4/2017 8:00 AM 0.00 0.0 M M M
3/6/2017 8:00 AM 0.13 2.5 M M M
3/7/2017 8:00 AM 0.05 0.5 M M M
3/8/2017 8:00 AM 0.06 M M M M
3/9/2017 8:00 AM 0.00 0.0 M M M
3/10/2017 8:00 AM T M M M M
3/11/2017 8:00 AM 0.00 0.0 M M M
3/12/2017 8:00 AM T M M M M there was a brief storm in the middle of the night
3/13/2017 8:00 AM 0.00 0.0 M M M
3/15/2017 8:00 AM 0.00 0.0 M M M
3/16/2017 8:00 AM 0.00 0.0 M M M
3/18/2017 8:00 AM 0.00 0.0 M M M
3/19/2017 8:00 AM 0.05 M M M M Rain fell during the night.
3/20/2017 8:00 AM 0.00 0.0 M M M
3/22/2017 8:00 AM 0.07 M M M M
3/23/2017 8:00 AM 0.04 M M M M
3/24/2017 8:00 AM 0.00 0.0 M M M
3/25/2017 8:00 AM 0.10 M M M M
3/27/2017 8:00 AM T M M M M
3/28/2017 8:00 AM 0.02 M M M M
3/30/2017 8:00 AM 0.21 M M M M
3/31/2017 8:00 AM 0.15 1.5 M 1.5 M
4/2/2017 7:30 AM 0.00 0.0 M M M
4/3/2017 8:00 AM 0.04 M M M M
4/4/2017 8:00 AM 0.11 1.2 M 1.0 M
4/7/2017 8:00 AM 0.00 0.0 M M M
4/8/2017 8:00 AM 0.86 M M M M There were a few sprinkles of rain yesterday morning. The heaviest rain started sometime after 3 PM and lasted into the night.
4/12/2017 8:00 AM 0.00 0.0 M M M
4/14/2017 8:00 AM 0.28 M M M M
4/15/2017 8:00 AM 0.00 0.0 M M M
4/17/2017 8:15 AM 0.01 M M M M
4/18/2017 8:00 AM 0.11 M M M M Stated raining during the night.
4/23/2017 8:00 AM 0.00 0.0 M M M
4/24/2017 8:00 AM 0.00 0.0 M M M
4/25/2017 8:00 AM 0.17 M M M M
4/26/2017 8:15 AM T M M M M
4/27/2017 7:57 AM 0.15 M M M M
5/1/2017 8:00 AM 0.00 0.0 M M M
5/8/2017 8:00 AM T M M M M
5/17/2017 8:00 AM 0.42 0.0 M M M
5/18/2017 8:00 AM 0.07 M M M M
5/20/2017 8:00 AM 0.00 0.0 M M M
5/21/2017 7:15 AM 0.24 M M M M Lightning and thunder
5/29/2017 8:00 AM 0.00 0.0 M M M
5/30/2017 8:00 AM 0.00 0.0 M M M
6/6/2017 8:00 AM 0.00 0.0 M M M
6/7/2017 8:00 AM 0.00 0.0 M M M
6/24/2017 8:00 AM 0.00 0.0 M M M
6/25/2017 8:00 AM 0.00 0.0 M M M
6/26/2017 8:00 AM 0.00 0.0 M M M
6/27/2017 7:40 AM 0.03 M M M M
6/30/2017 8:00 AM 0.00 0.0 M M M
7/3/2017 8:00 AM 0.00 0.0 M M M
7/4/2017 8:00 AM 0.00 0.0 M M M
7/5/2017 8:00 AM T M M M M
7/8/2017 8:00 AM 0.00 0.0 M M M
7/9/2017 8:00 AM 0.00 0.0 M M M
7/22/2017 8:00 AM 0.00 0.0 M M M
7/24/2017 8:00 AM T M M M M
7/25/2017 8:00 AM T M M M M
8/8/2017 8:07 AM 0.02 M M M M
8/9/2017 8:00 AM 0.10 M M M M
8/11/2017 8:00 AM 0.00 0.0 M M M
8/12/2017 8:00 AM T M M M M
8/13/2017 8:00 AM 0.00 0.0 M M M
8/15/2017 8:00 AM 0.05 M M M M
8/18/2017 8:00 AM 0.00 0.0 M M M
8/29/2017 8:00 AM 0.00 0.0 M M M
8/30/2017 8:00 AM 0.00 0.0 M M M
8/31/2017 8:00 AM 0.01 M M M M
9/1/2017 8:00 AM T M M M M
9/2/2017 8:00 AM 0.00 0.0 M M M
9/3/2017 8:00 AM 0.00 0.0 M M M
9/4/2017 8:00 AM 0.00 0.0 M M M
9/5/2017 8:00 AM 0.00 0.0 M M M
9/9/2017 8:00 AM T M M M M
9/10/2017 8:00 AM T M M M M
9/11/2017 8:00 AM 0.00 0.0 M M M
9/12/2017 8:00 AM 0.00 0.0 M M M
9/13/2017 8:00 AM 0.00 0.0 M M M
9/17/2017 8:00 AM 0.29 M M M M
9/19/2017 7:19 AM 0.26 M M M M
9/21/2017 7:10 AM 0.96 M M M M Rain fell during the night.
9/22/2017 8:00 AM 0.59 M M M M
9/23/2017 8:00 AM 0.04 M M M M
9/24/2017 8:00 AM 0.00 0.0 M M M
9/25/2017 8:00 AM 0.00 0.0 M M M
9/27/2017 8:00 AM 0.00 0.0 M M M
9/28/2017 8:00 AM 0.00 0.0 M M M
9/29/2017 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
12/5/2016 12/10/2016 8:00 AM 6 0.50 M M
12/27/2016 12/30/2016 8:00 AM 4 T M M Depth of snow on ground varies from 0 inches to about 2 feet
4/19/2017 4/22/2017 8:00 AM 4 0.20 M M
8/19/2017 8/26/2017 8:00 AM 8 0.08 M M
9/14/2017 9/16/2017 12:00 PM 3 0.29 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