Viewing Station: IA-LE-20 : Fort Madison 4.5 NNW
Jan 18, 2023 - May 20, 20261,059 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.20"
May 1-20, 2026(18 of 20 days covered by obs)
NOAA Normal
3.34"
Departure from Normal
-1.14" : 66% of Normal
Year-To-Date: 13.83"
Jan 1 to May 20, 2026(117 of 140 days covered by obs)
NOAA Normal
12.99"
Departure from Normal
0.84" : 106% of Normal
Water Year-To-Date: 18.38"
Oct 1, 2025 to May 20, 2026(176 of 232 days covered by obs)
NOAA Normal
20.33"
Departure from Normal
-1.95" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.57
1.64
-0.07
Feb
1.80
1.87
-0.07
Mar
2.50
2.58
-0.08
Apr
3.78
3.76
0.02
May
5.18
5.12
0.06
Jun
4.98
4.97
0.01
Jul
4.15
4.05
0.10
Aug
3.73
3.75
-0.02
Sep
3.75
3.63
0.12
Oct
3.12
3.00
0.12
Nov
2.37
2.45
-0.08
Dec
1.85
1.93
-0.08
38.78
38.75
0.03