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 15 2.12 1.68 3 1.68 3 0.00 0 0 3 0 0.0 0 0
Nov 15 1.47 1.16 2 1.16 2 0.00 0 0 1 0 0.0 0 1
Dec 15 0.81 1.20 4 1.20 4 0.00 0 0 4 0 11.4 3 4
Jan 16 0.58 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 1
Feb 16 0.60 0.19 2 0.19 2 0.00 0 0 2 0 4.4 2 2
March 16 1.75 1.69 7 1.45 2 0.24 5 1 2 0 2.6 1 1
April 16 3.07 3.45 8 3.45 8 0.00 0 0 7 1 0.0 0 0
May 16 3.29 2.99 29 2.00 14 0.99 15 3 9 0 0.0 0 0
June 16 4.55 5.86 23 1.75 5 4.11 18 2 5 0 0.0 0 0
July 16 3.56 0.35 1 0.35 1 0.00 0 0 1 0 0.0 0 0
Aug 16 3.26 1.70 21 1.56 14 0.14 7 1 5 0 0.0 0 0
Sept 16 3.10 7.33 23 6.91 17 0.42 6 2 12 0 0.0 0 0
Water Year Totals: 28.16" 27.60" 124 days 21.70" 73 5.90" 51 days 9 51 days 1 days 18.4" 6 days 9 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
10/1/2015
10/2/2015
10/3/2015
10/4/2015
10/5/2015
10/6/2015
10/7/2015
10/8/2015
10/9/2015
10/10/2015
10/11/2015
10/12/2015
10/13/2015
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015
10/20/2015
10/21/2015
10/22/2015
10/23/2015 0.71
10/24/2015 0.69
10/25/2015
10/26/2015
10/27/2015
10/28/2015
10/29/2015
10/30/2015
10/31/2015 0.28
11/1/2015
11/2/2015
11/3/2015
11/4/2015
11/5/2015
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015
11/12/2015 1.16
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015
11/18/2015
11/19/2015
11/20/2015
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015
11/30/2015 0.00
12/1/2015 0.61
12/2/2015 0.02
12/3/2015
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015
12/13/2015
12/14/2015
12/15/2015
12/16/2015
12/17/2015
12/18/2015
12/19/2015
12/20/2015
12/21/2015
12/22/2015
12/23/2015
12/24/2015
12/25/2015
12/26/2015 0.24
12/27/2015
12/28/2015
12/29/2015 0.33
12/30/2015
12/31/2015
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016
1/9/2016
1/10/2016
1/11/2016
1/12/2016
1/13/2016
1/14/2016
1/15/2016
1/16/2016
1/17/2016
1/18/2016
1/19/2016
1/20/2016
1/21/2016
1/22/2016
1/23/2016 0.00
1/24/2016
1/25/2016
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016
2/3/2016 0.12
2/4/2016
2/5/2016
2/6/2016
2/7/2016
2/8/2016 0.07
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016 M
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016 **
3/12/2016 **
3/13/2016 **
3/14/2016 **
3/15/2016 0.24
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016
3/24/2016
3/25/2016
3/26/2016
3/27/2016
3/28/2016
3/29/2016
3/30/2016 1.25
3/31/2016 0.20
Day of YearDaily PrcpMultiday Prcp
4/1/2016 0.30
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016
4/10/2016
4/11/2016
4/12/2016
4/13/2016
4/14/2016
4/15/2016
4/16/2016
4/17/2016
4/18/2016
4/19/2016 0.64
4/20/2016
4/21/2016 0.45
4/22/2016
4/23/2016
4/24/2016
4/25/2016 0.37
4/26/2016
4/27/2016 0.07
4/28/2016 1.60
4/29/2016 0.02
4/30/2016 T
5/1/2016 **
5/2/2016 **
5/3/2016 **
5/4/2016 0.82
5/5/2016 0.00
5/6/2016 **
5/7/2016 **
5/8/2016 0.17
5/9/2016 0.07
5/10/2016 0.32
5/11/2016 0.24
5/12/2016 0.39
5/13/2016 0.08
5/14/2016
5/15/2016 0.00
5/16/2016 0.00
5/17/2016 0.00
5/18/2016 **
5/19/2016 **
5/20/2016 0.00
5/21/2016
5/22/2016 0.00
5/23/2016 0.37
5/24/2016 0.01
5/25/2016 0.34
5/26/2016 0.18
5/27/2016 **
5/28/2016 **
5/29/2016 **
5/30/2016 **
5/31/2016 **
6/1/2016 **
6/2/2016 **
6/3/2016 **
6/4/2016 **
6/5/2016 **
6/6/2016 **
6/7/2016 **
6/8/2016 **
6/9/2016 **
6/10/2016 **
6/11/2016 **
6/12/2016 **
6/13/2016 3.21
6/14/2016 0.01
6/15/2016 0.73
6/16/2016 **
6/17/2016 **
6/18/2016 **
6/19/2016 **
6/20/2016 0.90
6/21/2016
6/22/2016 0.48
6/23/2016
6/24/2016
6/25/2016
6/26/2016
6/27/2016
6/28/2016
6/29/2016 0.05
6/30/2016 0.48
Day of YearDaily PrcpMultiday Prcp
7/1/2016
7/2/2016
7/3/2016
7/4/2016
7/5/2016
7/6/2016
7/7/2016 0.35
7/8/2016
7/9/2016
7/10/2016
7/11/2016
7/12/2016
7/13/2016
7/14/2016
7/15/2016
7/16/2016
7/17/2016
7/18/2016
7/19/2016
7/20/2016
7/21/2016
7/22/2016
7/23/2016
7/24/2016
7/25/2016
7/26/2016
7/27/2016
7/28/2016
7/29/2016
7/30/2016
7/31/2016
8/1/2016
8/2/2016
8/3/2016
8/4/2016
8/5/2016
8/6/2016
8/7/2016
8/8/2016
8/9/2016
8/10/2016
8/11/2016 1.00
8/12/2016 0.10
8/13/2016 0.00
8/14/2016
8/15/2016
8/16/2016 0.00
8/17/2016 0.00
8/18/2016 0.00
8/19/2016 0.00
8/20/2016 0.04
8/21/2016 0.00
8/22/2016 0.00
8/23/2016 0.00
8/24/2016 0.28
8/25/2016 0.00
8/26/2016 **
8/27/2016 0.14 **
8/28/2016 **
8/29/2016 **
8/30/2016 **
8/31/2016 **
9/1/2016 **
9/2/2016 **
9/3/2016 **
9/4/2016 0.29
9/5/2016 0.69
9/6/2016 0.39
9/7/2016 0.49
9/8/2016 0.03
9/9/2016 0.87
9/10/2016 **
9/11/2016 0.13
9/12/2016
9/13/2016
9/14/2016 0.00
9/15/2016 0.01
9/16/2016 3.17
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 0.00
9/20/2016
9/21/2016
9/22/2016 0.03
9/23/2016 0.08
9/24/2016 0.22
9/25/2016 0.92
9/26/2016 0.01
9/27/2016
9/28/2016
9/29/2016 0.00
9/30/2016



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/23/2015 9:50 AM 0.71 M M M M
10/24/2015 7:00 AM 0.69 M M M M
10/31/2015 2:45 PM 0.28 M M M M
11/12/2015 7:00 AM 1.16 M M M M
11/30/2015 7:00 AM 0.00 0.0 0.00 1.0 0.25
12/1/2015 8:00 AM 0.61 6.7 0.61 7.5 M
12/2/2015 9:00 AM 0.02 0.4 0.02 7.5 0.66 Ground under snow doesn't appear to be frozen. Some moisture probably moving into soil.
12/26/2015 9:00 AM 0.24 4.3 0.24 4.3 0.24
12/29/2015 11:50 AM 0.33 M 0.33 11.0 0.76
1/23/2016 2:00 PM 0.00 0.0 M 6.7 1.39
2/3/2016 11:30 AM 0.12 2.8 0.12 8.0 1.13
2/8/2016 12:00 PM 0.07 1.6 0.07 7.9 1.76 Due to high winds, some of the new snow may have been drifting that made it though/over our grove.
3/1/2016 11:00 AM M 2.6 M 2.6 M Old meltwater was in the gauge yesterday and froze overnight so measuring water content of the new snow was not possible.
3/30/2016 1:00 PM 1.25 M M M M
3/31/2016 8:00 AM 0.20 M M M M
4/1/2016 8:00 AM 0.30 M M M M
4/19/2016 7:00 AM 0.64 M M M M
4/21/2016 9:20 AM 0.45 M M M M
4/25/2016 7:30 AM 0.37 M M M M
4/27/2016 7:00 AM 0.07 M M M M
4/28/2016 7:00 AM 1.60 M M M M
4/29/2016 7:00 AM 0.02 M M M M
4/30/2016 7:00 AM T M M M M
5/5/2016 7:00 AM 0.00 0.0 M M M
5/9/2016 8:00 AM 0.07 M M M M
5/10/2016 8:00 AM 0.32 M M M M
5/11/2016 7:30 AM 0.24 M M M M
5/12/2016 7:00 AM 0.39 M M M M
5/13/2016 11:00 AM 0.08 M M M M Rain occurred within last couple hours.
5/15/2016 7:00 AM 0.00 0.0 M M M
5/16/2016 7:00 AM 0.00 0.0 M M M
5/17/2016 7:00 AM 0.00 0.0 M M M
5/22/2016 7:00 AM 0.00 0.0 M M M
5/23/2016 7:50 AM 0.37 M M M M
5/24/2016 7:30 AM 0.01 M M M M
5/25/2016 7:00 AM 0.34 M M M M
5/26/2016 7:00 AM 0.18 M M M M
6/14/2016 6:35 AM 0.01 M M M M
6/15/2016 9:15 AM 0.73 M M M M Gage reading at 7:20 AM ON 14TH WAS 0.39"
6/22/2016 7:00 AM 0.48 M M M M
6/29/2016 7:00 AM 0.05 M M M M Substantial rain fell shortly after the 7:00 reading was taken and the gauge emptied. Will report tomorrow.
6/30/2016 8:00 AM 0.48 M M M M
7/7/2016 7:00 AM 0.35 M M M M
8/11/2016 7:00 AM 1.00 M M M M
8/12/2016 7:00 AM 0.10 M M M M
8/13/2016 7:00 AM 0.00 0.0 M M M
8/16/2016 7:00 AM 0.00 0.0 M M M
8/17/2016 7:00 AM 0.00 0.0 M M M
8/18/2016 7:00 AM 0.00 0.0 M M M
8/19/2016 7:00 AM 0.00 0.0 M M M
8/20/2016 7:00 AM 0.04 M M M M
8/21/2016 7:00 AM 0.00 0.0 M M M
8/22/2016 7:00 AM 0.00 0.0 M M M
8/23/2016 7:00 AM 0.00 0.0 M M M
8/24/2016 7:00 AM 0.28 M M M M
8/25/2016 7:00 AM 0.00 0.0 M M M
8/27/2016 7:00 AM 0.14 M M M M
9/5/2016 7:00 AM 0.69 M M M M
9/6/2016 8:00 AM 0.39 M M M M
9/7/2016 7:45 AM 0.49 M M M M
9/8/2016 7:00 AM 0.03 M M M M
9/9/2016 7:30 AM 0.87 M M M M Heavy rain and lightning kept me from reading the gauge at 7:00. Intense rain caused roof gutters to overflow. Water ponded on yard, as the ground couldn't absorb it fast enough.
9/14/2016 7:00 AM 0.00 0.0 M M M
9/15/2016 7:20 AM 0.01 M M M M
9/16/2016 7:00 AM 3.17 M M M M
9/17/2016 7:00 AM 0.00 0.0 M M M
9/18/2016 7:45 AM 0.00 0.0 M M M
9/19/2016 7:00 AM 0.00 0.0 M M M
9/22/2016 7:55 AM 0.03 M M M M
9/23/2016 7:50 AM 0.08 M M M M
9/24/2016 8:00 AM 0.22 M M M M
9/25/2016 7:45 AM 0.92 M M M M
9/26/2016 8:00 AM 0.01 M M M M
9/29/2016 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
3/11/2016 3/15/2016 10:00 AM 5 0.24 0.0 0.00
5/1/2016 5/04/2016 3:00 PM 4 0.82 M M
5/6/2016 5/08/2016 7:00 AM 3 0.17 M M
5/18/2016 5/20/2016 7:00 AM 3 0.00 M M
5/27/2016 6/13/2016 8:00 PM 18 3.21 M M We were gone for over 2 weeks. I'm sure some evaporated over that time, but then the hole in the funnel is quite small. Maybe there is some estimate possible based on testing.
6/16/2016 6/20/2016 2:00 PM 5 0.90 M M Gauge was read at 7 am on the 18th but not emptied or reported. Today it was emptied and still had 0.87" in it. All rain fell on the 17th + 18th before read.
8/26/2016 8/28/2016 7:00 AM 3 0.14 M M
8/28/2016 9/04/2016 4:00 PM 8 0.29 M M
9/10/2016 9/11/2016 7:00 AM 2 0.13 M M The accumulation occurred shortly after the reading taken on Sept 9.



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