Station Overview Station Location
Station Number IA-SR-12 Latitude 42.054416
Station Name Ames 2.1 N Longitude -93.626664
County Story Elevation (ft) 961



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 2.61 6.16 30 1.52 4 4.64 26 8 3 0 0.0 0 0
Nov 17 2.05 0.49 31 0.00 3 0.49 28 6 0 0 0.0 0 0
Dec 17 1.28 0.28 32 0.13 8 0.15 24 5 2 1 1.5 2 2
Jan 18 0.86 0.32 31 0.32 8 0.00 23 3 4 1 3.3 2 7
Feb 18 1.00 2.52 27 1.35 11 1.17 16 5 7 1 8.2 3 8
March 18 2.13 0.55 31 0.44 3 0.11 28 2 1 0 2.5 1 1
April 18 3.58 3.61 26 1.47 12 2.14 14 4 3 0 4.5 3 0
May 18 4.79 5.00 31 3.97 13 1.03 18 5 7 0 0.0 0 0
June 18 5.39 11.21 29 6.03 10 5.18 19 6 7 0 0.0 0 0
July 18 4.70 5.59 27 4.76 2 0.83 25 3 2 0 0.0 0 0
Aug 18 4.52 7.14 31 5.03 14 2.11 17 4 8 0 0.0 0 0
Sept 18 3.39 8.22 30 2.92 6 5.30 24 4 4 0 0.0 0 0
Water Year Totals: 36.30" 51.09" 356 days 27.94" 94 23.15" 262 days 55 48 days 3 days 20.0" 11 days 18 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 0.56
10/3/2017 **
10/4/2017 0.58
10/5/2017 **
10/6/2017 0.59
10/7/2017 **
10/8/2017 **
10/9/2017 **
10/10/2017 2.91
10/11/2017 **
10/12/2017 **
10/13/2017 0.00
10/14/2017 0.57
10/15/2017 0.84
10/16/2017 **
10/17/2017 **
10/18/2017 **
10/19/2017 0.00
10/20/2017 0.00
10/21/2017
10/22/2017 0.11
10/23/2017 **
10/24/2017 **
10/25/2017 **
10/26/2017 0.00
10/27/2017 **
10/28/2017 T
10/29/2017 **
10/30/2017 **
10/31/2017 **
11/1/2017 **
11/2/2017 **
11/3/2017 **
11/4/2017 **
11/5/2017 0.13
11/6/2017 0.00
11/7/2017 0.00
11/8/2017 0.00
11/9/2017 **
11/10/2017 0.00
11/11/2017 **
11/12/2017 **
11/13/2017 0.04
11/14/2017 **
11/15/2017 **
11/16/2017 **
11/17/2017 **
11/18/2017 0.19
11/19/2017 **
11/20/2017 0.00
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 0.00
12/9/2017 T
12/10/2017 **
12/11/2017 **
12/12/2017 T
12/13/2017 **
12/14/2017 **
12/15/2017 **
12/16/2017 **
12/17/2017 **
12/18/2017 **
12/19/2017 T
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 0.03
12/23/2017 0.00
12/24/2017 0.10
12/25/2017 0.00
12/26/2017 0.00
12/27/2017 **
12/28/2017 **
12/29/2017 **
12/30/2017 0.13
12/31/2017 **
Day of YearDaily PrcpMultiday Prcp
1/1/2018 **
1/2/2018 0.00
1/3/2018 **
1/4/2018 **
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 **
1/8/2018 **
1/9/2018 0.00
1/10/2018 T
1/11/2018 0.02
1/12/2018 0.16
1/13/2018 0.00
1/14/2018 0.00
1/15/2018 0.13
1/16/2018 0.01
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 1.10
2/6/2018 0.52
2/7/2018 0.05
2/8/2018 T
2/9/2018
2/10/2018 0.03
2/11/2018 **
2/12/2018 **
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 **
2/17/2018 **
2/18/2018 0.02
2/19/2018 0.08
2/20/2018 0.31
2/21/2018 **
2/22/2018 0.00
2/23/2018 0.25
2/24/2018
2/25/2018 0.11
2/26/2018 0.00
2/27/2018 **
2/28/2018 **
3/1/2018 **
3/2/2018 **
3/3/2018 **
3/4/2018 **
3/5/2018 0.11
3/6/2018 0.44
3/7/2018 **
3/8/2018 T
3/9/2018 0.00
3/10/2018 0.00
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 **
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 2.14
4/6/2018 0.00
4/7/2018 0.00
4/8/2018
4/9/2018 0.14
4/10/2018 **
4/11/2018 0.00
4/12/2018 **
4/13/2018 0.00
4/14/2018
4/15/2018 1.13
4/16/2018
4/17/2018 0.00
4/18/2018 0.20
4/19/2018
4/20/2018 0.00
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 **
4/27/2018 **
4/28/2018 **
4/29/2018 **
4/30/2018 0.00
5/1/2018 0.02
5/2/2018 1.75
5/3/2018 0.39
5/4/2018 0.98
5/5/2018 **
5/6/2018 **
5/7/2018 **
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.08
5/11/2018 0.00
5/12/2018 **
5/13/2018 **
5/14/2018 0.10
5/15/2018 **
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 **
5/19/2018 **
5/20/2018 0.27
5/21/2018 0.12
5/22/2018 0.00
5/23/2018 0.00
5/24/2018 **
5/25/2018 **
5/26/2018 **
5/27/2018 **
5/28/2018 0.66
5/29/2018 0.00
5/30/2018 0.63
5/31/2018 **
6/1/2018 0.00
6/2/2018 0.63
6/3/2018 0.00
6/4/2018 **
6/5/2018 **
6/6/2018 **
6/7/2018 **
6/8/2018 **
6/9/2018 **
6/10/2018 **
6/11/2018 **
6/12/2018 1.94
6/13/2018 **
6/14/2018 M 3.14
6/15/2018 1.94
6/16/2018 0.00
6/17/2018 **
6/18/2018 0.00
6/19/2018 1.26
6/20/2018 0.24
6/21/2018 0.36
6/22/2018 0.30
6/23/2018 **
6/24/2018 **
6/25/2018 0.04
6/26/2018 1.30
6/27/2018 **
6/28/2018 0.06
6/29/2018
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 1.67
7/2/2018
7/3/2018
7/4/2018
7/5/2018 3.09
7/6/2018
7/7/2018 **
7/8/2018 **
7/9/2018 **
7/10/2018 **
7/11/2018 **
7/12/2018 **
7/13/2018 **
7/14/2018 0.09
7/15/2018 **
7/16/2018 **
7/17/2018 **
7/18/2018 **
7/19/2018 **
7/20/2018 **
7/21/2018 **
7/22/2018 **
7/23/2018 **
7/24/2018 **
7/25/2018 **
7/26/2018 0.74
7/27/2018 **
7/28/2018 **
7/29/2018 **
7/30/2018 **
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.58
8/3/2018 0.00
8/4/2018 0.00
8/5/2018 0.13
8/6/2018 1.73
8/7/2018 1.02
8/8/2018 0.03
8/9/2018 **
8/10/2018 **
8/11/2018 **
8/12/2018 **
8/13/2018 **
8/14/2018 **
8/15/2018 0.06
8/16/2018 **
8/17/2018 0.96
8/18/2018 **
8/19/2018 **
8/20/2018 1.09
8/21/2018 0.63
8/22/2018 **
8/23/2018 **
8/24/2018 T
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.18
8/28/2018 0.00
8/29/2018 0.73
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 5.30
9/8/2018 **
9/9/2018 0.00
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 0.00
9/19/2018 0.27
9/20/2018 1.01
9/21/2018 0.58
9/22/2018 0.00
9/23/2018 **
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 1.06
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
10/14/2017 8:00 AM 0.57 M M M M
10/15/2017 8:00 AM 0.84 M M M M
10/20/2017 8:00 AM 0.00 0.0 M M M
10/22/2017 8:00 AM 0.11 M M M M
11/6/2017 8:00 AM 0.00 0.0 M M M
11/7/2017 8:00 AM 0.00 0.0 M M M
11/8/2017 8:00 AM 0.00 0.0 M M M
12/9/2017 8:00 AM T M M M M
12/20/2017 8:00 AM 0.00 0.0 M M M
12/21/2017 8:00 AM 0.00 0.0 M M M
12/22/2017 8:00 AM 0.03 0.3 M M M
12/23/2017 8:00 AM 0.00 0.0 M M M
12/24/2017 8:00 AM 0.10 1.2 M M M
12/25/2017 8:00 AM 0.00 0.0 M 1.0 M
12/26/2017 8:00 AM 0.00 0.0 M 1.0 M
1/6/2018 8:00 AM 0.00 0.0 M 4.0 M
1/10/2018 8:00 AM T M M 1.0 M
1/11/2018 8:00 AM 0.02 M M T M
1/12/2018 8:00 AM 0.16 1.3 M 1.3 M
1/13/2018 8:00 AM 0.00 0.0 M 1.0 M
1/14/2018 8:00 AM 0.00 0.0 M 1.0 M
1/15/2018 8:00 AM 0.13 2.0 M 2.5 M
1/16/2018 8:00 AM 0.01 T M 2.5 M
2/6/2018 8:00 AM 0.52 7.0 M 7.0 M
2/7/2018 8:00 AM 0.05 0.7 M 6.0 M
2/8/2018 8:00 AM T M M 5.0 M
2/10/2018 8:00 AM 0.03 0.5 M 6.0 M
2/14/2018 8:00 AM 0.00 0.0 M 5.0 M
2/15/2018 8:00 AM 0.00 0.0 M 2.5 M
2/19/2018 8:00 AM 0.08 M M 0.5 M
2/20/2018 8:00 AM 0.31 M M 0.3 M
2/23/2018 8:00 AM 0.25 M M M M
2/25/2018 8:00 AM 0.11 T M M M
2/26/2018 8:00 AM 0.00 0.0 M M M
3/6/2018 8:00 AM 0.44 2.5 M 2.5 M
3/9/2018 8:00 AM 0.00 0.0 M M M
3/10/2018 8:00 AM 0.00 0.0 M M M
4/6/2018 8:00 AM 0.00 0.0 M M M
4/7/2018 8:00 AM 0.00 0.0 M M M
4/9/2018 8:00 AM 0.14 1.5 M M M
4/15/2018 8:00 AM 1.13 2.0 M M M
4/17/2018 8:00 AM 0.00 0.0 M M M
4/18/2018 8:00 AM 0.20 1.0 M M M
4/20/2018 8:00 AM 0.00 0.0 M M M
4/21/2018 8:00 AM 0.00 0.0 M M M
4/22/2018 8:00 AM 0.00 0.0 M M M
4/23/2018 8:00 AM 0.00 0.0 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
5/1/2018 8:00 AM 0.02 M M M M
5/2/2018 8:00 AM 1.75 M M M M Up to 1/2" hail about 5 PM
5/3/2018 8:00 AM 0.39 M M M M
5/4/2018 8:00 AM 0.98 M M M M
5/9/2018 8:00 AM 0.00 0.0 M M M
5/10/2018 8:00 AM 0.08 M M M M
5/11/2018 8:00 AM 0.00 0.0 M M M
5/17/2018 8:00 AM 0.00 0.0 M M M
5/21/2018 8:00 AM 0.12 M M M M
5/22/2018 8:00 AM 0.00 0.0 M M M
5/23/2018 8:00 AM 0.00 0.0 M M M
5/29/2018 8:00 AM 0.00 0.0 M M M
5/30/2018 8:00 AM 0.63 M M M M
6/2/2018 8:00 AM 0.63 M M M M
6/3/2018 8:00 AM 0.00 0.0 M M M
6/14/2018 8:00 AM M 0.0 M M M {EDIT: observer reported 0.00 for new precip. This appears to be a typo looking at surrounding reports of 1.75 to 2.79. Changed report of 0.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 6/14/2018 11:00 AM CoCoSTAFF DNT}
6/15/2018 8:00 AM 1.94 M M M M
6/16/2018 8:00 AM 0.00 0.0 M M M
6/19/2018 8:00 AM 1.26 M M M M
6/20/2018 8:00 AM 0.24 M M M M
6/21/2018 8:00 AM 0.36 M M M M
6/22/2018 8:00 AM 0.30 M M M M
6/26/2018 8:00 AM 1.30 M M M M
6/30/2018 8:00 AM 0.00 0.0 M M M
7/1/2018 8:00 AM 1.67 M M M M
7/5/2018 8:00 AM 3.09 M M M M
8/1/2018 8:00 AM 0.00 0.0 M M M
8/2/2018 8:00 AM 0.58 M 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 0.13 M M M M
8/6/2018 8:00 AM 1.73 M M M M
8/7/2018 8:00 AM 1.02 M M M M
8/8/2018 8:00 AM 0.03 M M M M
8/21/2018 8:00 AM 0.63 M 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 0.18 M M M M
8/28/2018 8:00 AM 0.00 0.0 M M M
8/29/2018 8:00 AM 0.73 M M M M
9/19/2018 8:00 AM 0.27 M M M M
9/20/2018 8:00 AM 1.01 M M M M
9/21/2018 8:00 AM 0.58 M M M M
9/22/2018 8:00 AM 0.00 0.0 M M M
9/25/2018 8:00 AM 0.00 0.0 M M M
9/26/2018 8:00 AM 1.06 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/28/2017 10/02/2017 8:00 AM 5 0.56 M M
10/3/2017 10/04/2017 8:00 AM 2 0.58 M M
10/5/2017 10/06/2017 8:00 AM 2 0.59 M M
10/7/2017 10/10/2017 8:00 AM 4 2.91 M M
10/11/2017 10/13/2017 8:00 AM 3 0.00 M M
10/16/2017 10/19/2017 8:00 AM 4 0.00 M M
10/23/2017 10/26/2017 6:00 AM 4 0.00 M M
10/27/2017 10/28/2017 8:00 AM 2 T M M
10/29/2017 11/03/2017 8:00 AM 6 0.13 M M
11/3/2017 11/05/2017 8:00 AM 3 0.13 M M
11/9/2017 11/10/2017 8:00 AM 2 0.00 M M
11/11/2017 11/13/2017 8:00 AM 3 0.04 M M
11/14/2017 11/18/2017 8:00 AM 5 0.19 M M
11/19/2017 11/20/2017 8:00 AM 2 0.00 M M
11/21/2017 12/08/2017 8:00 AM 18 0.00 M M
12/10/2017 12/12/2017 8:00 AM 3 T M M
12/13/2017 12/19/2017 8:00 AM 7 T M M
12/27/2017 12/28/2017 8:00 AM 2 0.02 1.3 M
12/28/2017 12/30/2017 8:00 AM 3 0.13 4.5 M
12/31/2017 1/02/2018 8:00 AM 3 0.00 4.0 M
1/3/2018 1/05/2018 8:00 AM 3 0.00 4.0 M
1/7/2018 1/09/2018 8:00 AM 3 0.00 3.0 M
1/17/2018 2/05/2018 8:00 AM 20 1.10 0.0 M
2/11/2018 2/12/2018 8:00 AM 2 0.05 5.7 M
2/12/2018 2/13/2018 8:00 AM 2 0.00 5.5 M
2/16/2018 2/18/2018 8:00 AM 3 0.02 M 1.50
2/21/2018 2/22/2018 8:00 AM 2 0.00 0.0 M
2/27/2018 3/05/2018 8:00 AM 7 0.11 M M
3/7/2018 3/08/2018 8:00 AM 2 T T M
3/11/2018 4/05/2018 8:00 AM 26 2.14 0.0 M
4/10/2018 4/11/2018 8:00 AM 2 0.00 0.0 M
4/12/2018 4/13/2018 8:00 AM 2 0.00 M M
4/26/2018 4/30/2018 8:00 AM 5 0.00 M M
5/5/2018 5/08/2018 8:00 AM 4 0.00 M M
5/12/2018 5/14/2018 8:00 AM 3 0.10 M M
5/15/2018 5/16/2018 8:00 AM 2 0.00 M M
5/18/2018 5/20/2018 8:00 AM 3 0.27 M M
5/24/2018 5/28/2018 8:00 AM 5 0.66 M M
5/31/2018 6/01/2018 8:00 AM 2 0.00 M M
6/4/2018 6/12/2018 8:00 AM 9 1.94 M M
6/13/2018 6/14/2018 8:00 AM 2 3.14 M M
6/17/2018 6/18/2018 8:00 AM 2 0.00 M M
6/23/2018 6/25/2018 8:00 AM 3 0.04 M M
6/27/2018 6/28/2018 8:00 AM 2 0.06 M M
7/7/2018 7/14/2018 8:00 AM 8 0.09 M M
7/15/2018 7/26/2018 8:00 AM 12 0.74 M M
7/27/2018 7/31/2018 8:00 AM 5 0.00 M M
8/9/2018 8/15/2018 8:00 AM 7 0.06 M M
8/16/2018 8/17/2018 8:00 AM 2 0.96 M M
8/18/2018 8/20/2018 8:00 AM 3 1.09 M M
8/22/2018 8/24/2018 8:00 AM 3 T M M
8/30/2018 9/07/2018 8:00 AM 9 5.30 M M
9/8/2018 9/09/2018 8:00 AM 2 0.00 M M
9/10/2018 9/18/2018 8:00 AM 9 0.00 M M
9/23/2018 9/24/2018 8:00 AM 2 0.00 M M
9/27/2018 10/04/2018 8:00 AM 8 2.20 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