Viewing Station: IA-LY-11 : Rock Rapids 5.6 W
Sep 10, 2019 - May 25, 2026405 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 3.30"
May 1-25, 2026(3 of 25 days covered by obs)
NOAA Normal
3.20"
Departure from Normal
0.10" : 103% of Normal
Year-To-Date: 3.85"
Jan 1 to May 25, 2026(4 of 145 days covered by obs)
NOAA Normal
9.03"
Departure from Normal
-5.18" : 43% of Normal
Water Year-To-Date: 4.25"
Oct 1, 2025 to May 25, 2026(5 of 237 days covered by obs)
NOAA Normal
13.51"
Departure from Normal
-9.26" : 31% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.62
0.04
Feb
0.80
0.75
0.05
Mar
1.46
1.50
-0.04
Apr
2.91
2.98
-0.07
May
3.97
3.86
0.11
Jun
4.73
4.76
-0.03
Jul
3.39
3.44
-0.05
Aug
3.06
3.23
-0.17
Sep
3.20
3.12
0.08
Oct
2.29
2.29
0.00
Nov
1.32
1.40
-0.08
Dec
0.87
0.88
-0.01
28.66
28.83
-0.17