Station Overview Station Location
Station Number IA-LY-6 Latitude 43.4688971
Station Name Rock Rapids 3.0 N Longitude -96.1560443
County Lyon Elevation (ft) 1365



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 2.12 2.74 31 0.02 1 2.72 30 5 1 0 0.0 0 0
Nov 18 1.47 0.67 7 0.10 3 0.57 4 2 2 1 0.0 0 0
Dec 18 0.81 1.43 31 0.19 4 1.24 27 2 2 1 1.6 1 1
Jan 19 0.58 0.28 31 0.00 0 0.28 31 3 0 0 0.0 0 0
Feb 19 0.60 1.69 28 0.00 0 1.69 28 3 0 0 0.0 0 0
March 19 1.75 2.45 16 0.00 0 2.45 16 3 0 0 0.0 0 0
April 19 3.07 2.41 10 0.69 1 1.72 9 2 1 0 0.0 0 0
May 19 3.29 6.77 31 0.70 8 6.07 23 7 5 0 0.0 0 0
June 19 4.55 3.43 30 1.64 6 1.79 24 4 5 0 0.0 0 0
July 19 3.56 6.58 31 1.13 3 5.45 28 7 3 0 0.0 0 0
Aug 19 3.26 1.62 31 0.00 0 1.62 31 8 0 0 0.0 0 0
Sept 19 3.10 4.16 30 1.02 4 3.14 26 4 4 0 0.0 0 0
Water Year Totals: 28.16" 34.23" 307 days 5.49" 30 28.74" 277 days 50 23 days 2 days 1.6" 1 days 1 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 **
10/2/2018 0.04
10/3/2018 **
10/4/2018 **
10/5/2018 0.54
10/6/2018 0.02
10/7/2018 **
10/8/2018 **
10/9/2018 **
10/10/2018 **
10/11/2018 **
10/12/2018 **
10/13/2018 **
10/14/2018 **
10/15/2018 1.99
10/16/2018 **
10/17/2018 **
10/18/2018 **
10/19/2018 **
10/20/2018 **
10/21/2018 **
10/22/2018 **
10/23/2018 **
10/24/2018 **
10/25/2018 0.02
10/26/2018 **
10/27/2018 **
10/28/2018 **
10/29/2018 **
10/30/2018 0.13
10/31/2018 **
11/1/2018 **
11/2/2018 0.28
11/3/2018 **
11/4/2018 0.29
11/5/2018 0.08
11/6/2018
11/7/2018
11/8/2018
11/9/2018
11/10/2018
11/11/2018
11/12/2018
11/13/2018
11/14/2018
11/15/2018
11/16/2018
11/17/2018
11/18/2018
11/19/2018
11/20/2018
11/21/2018
11/22/2018
11/23/2018
11/24/2018
11/25/2018
11/26/2018
11/27/2018
11/28/2018 T
11/29/2018 0.02
11/30/2018
12/1/2018 0.10
12/2/2018 0.09
12/3/2018 T
12/4/2018 **
12/5/2018 **
12/6/2018 **
12/7/2018 **
12/8/2018 **
12/9/2018 **
12/10/2018 **
12/11/2018 **
12/12/2018 **
12/13/2018 **
12/14/2018 **
12/15/2018 **
12/16/2018 **
12/17/2018 **
12/18/2018 **
12/19/2018 **
12/20/2018 **
12/21/2018 **
12/22/2018 **
12/23/2018 **
12/24/2018 **
12/25/2018 0.00
12/26/2018 0.00
12/27/2018 **
12/28/2018 1.24
12/29/2018 **
12/30/2018 **
12/31/2018 **
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 0.02
1/18/2019 **
1/19/2019 **
1/20/2019 **
1/21/2019 0.08
1/22/2019 **
1/23/2019 **
1/24/2019 **
1/25/2019 **
1/26/2019 **
1/27/2019 **
1/28/2019 0.18
1/29/2019 **
1/30/2019 **
1/31/2019 **
2/1/2019 **
2/2/2019 **
2/3/2019 **
2/4/2019 **
2/5/2019 **
2/6/2019 **
2/7/2019 **
2/8/2019 **
2/9/2019 **
2/10/2019 **
2/11/2019 **
2/12/2019 **
2/13/2019 **
2/14/2019 **
2/15/2019 0.47
2/16/2019 **
2/17/2019 **
2/18/2019 **
2/19/2019 **
2/20/2019 **
2/21/2019 0.89
2/22/2019 **
2/23/2019 **
2/24/2019 **
2/25/2019 0.33
2/26/2019 **
2/27/2019 **
2/28/2019 **
3/1/2019 **
3/2/2019 **
3/3/2019 **
3/4/2019 **
3/5/2019 0.20
3/6/2019 **
3/7/2019 **
3/8/2019 **
3/9/2019 **
3/10/2019 0.76
3/11/2019 **
3/12/2019 **
3/13/2019 **
3/14/2019 **
3/15/2019 **
3/16/2019 1.49
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
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019 **
4/22/2019 **
4/23/2019 **
4/24/2019 0.45
4/25/2019 0.69
4/26/2019 **
4/27/2019 **
4/28/2019 **
4/29/2019 **
4/30/2019 1.27
5/1/2019 0.16
5/2/2019 0.09
5/3/2019 **
5/4/2019 **
5/5/2019 0.05
5/6/2019 **
5/7/2019 **
5/8/2019 **
5/9/2019 1.05
5/10/2019 **
5/11/2019 **
5/12/2019 0.26
5/13/2019 **
5/14/2019 0.40
5/15/2019 0.00
5/16/2019 0.00
5/17/2019 0.12
5/18/2019 0.28
5/19/2019 0.05
5/20/2019 **
5/21/2019 0.05
5/22/2019 **
5/23/2019 0.01
5/24/2019 **
5/25/2019 **
5/26/2019 **
5/27/2019 **
5/28/2019 **
5/29/2019 **
5/30/2019 4.25
5/31/2019 0.00
6/1/2019 0.02
6/2/2019 **
6/3/2019 **
6/4/2019 **
6/5/2019 **
6/6/2019 **
6/7/2019 **
6/8/2019 0.00
6/9/2019 0.14
6/10/2019 **
6/11/2019 **
6/12/2019 0.25
6/13/2019 **
6/14/2019 **
6/15/2019 **
6/16/2019 **
6/17/2019 **
6/18/2019 **
6/19/2019 **
6/20/2019 **
6/21/2019 **
6/22/2019 **
6/23/2019 0.82
6/24/2019 1.10
6/25/2019 0.10
6/26/2019 **
6/27/2019 0.72
6/28/2019 0.28
6/29/2019 0.00
6/30/2019 **
Day of YearDaily PrcpMultiday Prcp
7/1/2019 **
7/2/2019 1.64
7/3/2019 **
7/4/2019 0.04
7/5/2019 1.10
7/6/2019 0.01
7/7/2019 **
7/8/2019 **
7/9/2019 **
7/10/2019 **
7/11/2019 **
7/12/2019 **
7/13/2019 **
7/14/2019 **
7/15/2019 0.92
7/16/2019 **
7/17/2019 1.82
7/18/2019 **
7/19/2019 **
7/20/2019 **
7/21/2019 0.50
7/22/2019 0.02
7/23/2019 **
7/24/2019 **
7/25/2019 0.21
7/26/2019 **
7/27/2019 **
7/28/2019 **
7/29/2019 0.32
7/30/2019 **
7/31/2019 **
8/1/2019 **
8/2/2019 **
8/3/2019 0.03
8/4/2019 **
8/5/2019 0.03
8/6/2019 **
8/7/2019 **
8/8/2019 **
8/9/2019 **
8/10/2019 0.31
8/11/2019 **
8/12/2019 0.03
8/13/2019 **
8/14/2019 **
8/15/2019 **
8/16/2019 0.39
8/17/2019 **
8/18/2019 0.50
8/19/2019 **
8/20/2019 **
8/21/2019 **
8/22/2019 **
8/23/2019 **
8/24/2019 **
8/25/2019 **
8/26/2019 **
8/27/2019 0.27
8/28/2019 **
8/29/2019 **
8/30/2019 **
8/31/2019 0.06
9/1/2019 0.08
9/2/2019 **
9/3/2019 **
9/4/2019 **
9/5/2019 **
9/6/2019 **
9/7/2019 **
9/8/2019 0.35
9/9/2019 0.08
9/10/2019 **
9/11/2019 2.63
9/12/2019 0.85
9/13/2019 0.01
9/14/2019 **
9/15/2019 **
9/16/2019 **
9/17/2019 0.01
9/18/2019 **
9/19/2019 **
9/20/2019 **
9/21/2019 **
9/22/2019 **
9/23/2019 0.15
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
10/6/2018 7:00 AM 0.02 M M M M
11/5/2018 7:45 AM 0.08 M M M M
11/28/2018 7:00 AM T T T T T
11/29/2018 11:30 AM 0.02 M M M M Precipitation was frozen but had melted by the time I emptied the gauge. All surfaces were glaze ice at 9:30 AM.
12/1/2018 9:00 AM 0.10 M M M M Outer gauge used - coated with ice, inside and out.
12/2/2018 10:00 AM 0.09 1.6 0.09 1.5 0.09
12/3/2018 10:00 AM T T T M M
12/26/2018 7:00 AM 0.00 0.0 M M M
4/25/2019 12:00 PM 0.69 M M M M
5/1/2019 1:00 PM 0.16 M M M M
5/2/2019 5:00 PM 0.09 M M M M
5/15/2019 7:00 AM 0.00 0.0 M M M
5/16/2019 7:00 AM 0.00 0.0 M M M
5/17/2019 7:00 AM 0.12 M M M M
5/18/2019 7:00 AM 0.28 M M M M
5/19/2019 2:00 PM 0.05 M M M M
5/31/2019 7:00 AM 0.00 0.0 M M M
6/1/2019 9:00 AM 0.02 M M M M
6/9/2019 7:00 AM 0.14 M M M M
6/24/2019 7:00 AM 1.10 M M M M
6/25/2019 7:00 AM 0.10 M M M M
6/28/2019 9:15 AM 0.28 M M M M
6/29/2019 7:00 AM 0.00 0.0 M M M
7/5/2019 8:40 AM 1.10 M M M M Nearly all precipitation happened after 7:00 this morning.
7/6/2019 7:00 AM 0.01 M M M M
7/22/2019 7:00 AM 0.02 M M M M
9/1/2019 7:00 AM 0.08 M M M M
9/9/2019 7:00 AM 0.08 M M M M
9/12/2019 7:00 AM 0.85 M M M M
9/13/2019 7:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/27/2018 10/02/2018 7:00 AM 6 0.04 M M
10/3/2018 10/05/2018 7:00 AM 3 0.54 M M
10/7/2018 10/15/2018 7:00 AM 9 1.99 M M
10/16/2018 10/25/2018 7:00 AM 10 0.02 M M
10/26/2018 10/30/2018 7:00 AM 5 0.13 M M
10/31/2018 11/02/2018 9:15 AM 3 0.28 M M
11/3/2018 11/04/2018 7:00 AM 2 0.29 M M
12/4/2018 12/25/2018 7:00 AM 22 0.00 M M Just a little scattered snow in shaded areas left.
12/27/2018 12/28/2018 11:00 AM 2 1.24 1.0 M
12/29/2018 1/17/2019 8:30 AM 20 0.02 0.2 0.02 All precipitation in past 24 hr.
1/18/2019 1/21/2019 11:00 AM 4 0.08 2.0 0.08
1/22/2019 1/28/2019 12:00 PM 7 0.18 3.1 0.44
1/29/2019 2/15/2019 4:00 PM 18 0.47 4.7 0.87
2/16/2019 2/21/2019 10:00 AM 6 0.89 12.6 1.63
2/22/2019 2/25/2019 11:45 AM 4 0.33 12.6 2.15
2/26/2019 3/05/2019 3:00 PM 8 0.20 11.8 2.30
3/6/2019 3/10/2019 3:00 PM 5 0.76 11.0 2.64
3/11/2019 3/16/2019 7:00 AM 6 1.49 5.5 1.52
4/21/2019 4/24/2019 7:00 AM 4 0.45 M M Precipitation 3/17/19 through 4/20/19 not measured.
4/26/2019 4/30/2019 1:30 PM 5 1.27 M M
5/3/2019 5/05/2019 7:00 AM 3 0.05 M M
5/6/2019 5/09/2019 7:00 AM 4 1.05 M M
5/10/2019 5/12/2019 7:00 AM 3 0.26 M M
5/13/2019 5/14/2019 7:00 AM 2 0.40 M M
5/20/2019 5/21/2019 10:00 AM 2 0.05 M M
5/22/2019 5/23/2019 7:00 AM 2 0.01 M M
5/24/2019 5/30/2019 11:00 AM 7 4.25 M M
6/2/2019 6/08/2019 7:00 AM 7 0.00 M M
6/10/2019 6/12/2019 7:00 AM 3 0.25 M M
6/13/2019 6/23/2019 7:00 AM 11 0.82 M M
6/26/2019 6/27/2019 9:05 AM 2 0.72 M M Most rain from 7am to 9am this morning.
6/30/2019 7/02/2019 7:10 AM 3 1.64 M M Rain all occurred in last 24 hrs.
7/3/2019 7/04/2019 8:00 AM 2 0.04 M M
7/7/2019 7/15/2019 7:00 AM 9 0.92 M M
7/16/2019 7/17/2019 7:00 AM 2 1.82 M M
7/18/2019 7/21/2019 7:00 AM 4 0.50 M M
7/23/2019 7/25/2019 4:00 PM 3 0.21 M M All rain fell after 7 am today.
7/26/2019 7/29/2019 7:00 AM 4 0.32 M M
7/30/2019 8/03/2019 7:00 AM 5 0.03 M M Precipitation happened night of Aug. 2-3.
8/4/2019 8/05/2019 7:00 AM 2 0.03 M M
8/6/2019 8/10/2019 7:00 AM 5 0.31 M M All precipitation in last 24 hr.
8/11/2019 8/12/2019 7:00 AM 2 0.03 M M
8/13/2019 8/16/2019 7:00 AM 4 0.39 M M
8/17/2019 8/18/2019 7:00 AM 2 0.50 M M
8/19/2019 8/27/2019 7:00 AM 9 0.27 M M
8/28/2019 8/31/2019 8:45 AM 4 0.06 M M All precipitation past 24 hr.
9/2/2019 9/08/2019 7:00 AM 7 0.35 M M
9/10/2019 9/11/2019 7:00 AM 2 2.63 M M
9/14/2019 9/17/2019 7:00 AM 4 0.01 M M
9/18/2019 9/23/2019 7:00 AM 6 0.15 M M
9/24/2019 10/01/2019 8:30 AM 8 0.43 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