Viewing Station: IA-WY-7 : Allerton 5.1 E
Sep 26, 2018 - May 20, 20262,527 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.69"
May 1-20, 2026(18 of 20 days covered by obs)
NOAA Normal
3.39"
Departure from Normal
0.30" : 109% of Normal
Year-To-Date: 14.43"
Jan 1 to May 20, 2026(130 of 140 days covered by obs)
NOAA Normal
11.79"
Departure from Normal
2.64" : 122% of Normal
Water Year-To-Date: 19.21"
Oct 1, 2025 to May 20, 2026(208 of 232 days covered by obs)
NOAA Normal
18.32"
Departure from Normal
0.89" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.03
1.07
-0.04
Feb
1.40
1.48
-0.08
Mar
2.13
2.23
-0.10
Apr
3.84
3.90
-0.06
May
5.26
5.39
-0.13
Jun
5.07
5.27
-0.20
Jul
4.44
4.58
-0.14
Aug
4.21
4.25
-0.04
Sep
3.83
3.92
-0.09
Oct
2.94
2.88
0.06
Nov
2.10
2.05
0.05
Dec
1.49
1.51
-0.02
37.74
38.53
-0.79