Viewing Station: IA-BH-33 : Waterloo 1.1 S
Jul 2, 2025 - May 20, 2026171 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.89"
May 1-20, 2026(10 of 20 days covered by obs)
NOAA Normal
3.02"
Departure from Normal
-1.13" : 63% of Normal
Year-To-Date: 9.19"
Jan 1 to May 20, 2026(38 of 140 days covered by obs)
NOAA Normal
11.06"
Departure from Normal
-1.87" : 83% of Normal
Water Year-To-Date: 12.92"
Oct 1, 2025 to May 20, 2026(91 of 232 days covered by obs)
NOAA Normal
17.27"
Departure from Normal
-4.35" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.07
0.04
Feb
1.15
1.21
-0.06
Mar
1.91
2.05
-0.14
Apr
3.87
3.94
-0.07
May
4.68
4.70
-0.02
Jun
5.77
5.68
0.09
Jul
4.26
4.62
-0.36
Aug
4.10
4.19
-0.09
Sep
3.62
3.42
0.20
Oct
2.77
2.85
-0.08
Nov
1.98
1.95
0.03
Dec
1.46
1.48
-0.02
36.68
37.16
-0.48