Viewing Station: IA-LC-10 : Williamson 0.3 N
Mar 22, 2019 - Aug 18, 20262,399 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.47"
August 1-19, 2026(8 of 19 days covered by obs)
NOAA Normal
2.60"
Departure from Normal
1.87" : 172% of Normal
Year-To-Date: 28.16"
Jan 1 to Aug 19, 2026(42 of 231 days covered by obs)
NOAA Normal
25.55"
Departure from Normal
2.61" : 110% of Normal
Water Year-To-Date: 31.04"
Oct 1, 2025 to Aug 19, 2026(104 of 323 days covered by obs)
NOAA Normal
31.75"
Departure from Normal
-0.71" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.01
1.00
0.01
Feb
1.34
1.37
-0.03
Mar
2.04
2.09
-0.05
Apr
3.97
3.96
0.01
May
5.14
5.37
-0.23
Jun
5.07
5.19
-0.12
Jul
4.38
4.36
0.02
Aug
4.25
4.37
-0.12
Sep
3.55
3.65
-0.10
Oct
2.82
2.79
0.03
Nov
1.98
2.00
-0.02
Dec
1.40
1.39
0.01
36.95
37.54
-0.59