Viewing Station: IA-LY-10 : Rock Rapids 7.7 WNW
Aug 20, 2018 - May 2, 2025265 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.25"
May 1-10, 2025(1 of 10 days covered by obs)
NOAA Normal
1.27"
Departure from Normal
-1.02" : 20% of Normal
Year-To-Date: 2.87"
Jan 1 to May 10, 2025(9 of 130 days covered by obs)
NOAA Normal
7.06"
Departure from Normal
-4.19" : 41% of Normal
Water Year-To-Date: 5.74"
Oct 1, 2024 to May 10, 2025(13 of 222 days covered by obs)
NOAA Normal
11.48"
Departure from Normal
-5.74" : 50% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.66
0.00
Feb
0.80
0.78
0.02
Mar
1.45
1.50
-0.05
Apr
2.88
2.96
-0.08
May
3.93
3.79
0.14
Jun
4.74
4.70
0.04
Jul
3.40
3.46
-0.06
Aug
3.05
3.31
-0.26
Sep
3.18
3.09
0.09
Oct
2.27
2.25
0.02
Nov
1.30
1.40
-0.10
Dec
0.85
0.91
-0.06
28.51
28.81
-0.30