Viewing Station: IL-MA-36 : Decatur 3.3 WSW
Jul 10, 2023 - May 23, 20261,051 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.45"
May 1-25, 2026(23 of 25 days covered by obs)
NOAA Normal
3.66"
Departure from Normal
-1.21" : 67% of Normal
Year-To-Date: 17.25"
Jan 1 to May 25, 2026(143 of 145 days covered by obs)
NOAA Normal
14.44"
Departure from Normal
2.81" : 119% of Normal
Water Year-To-Date: 22.45"
Oct 1, 2025 to May 25, 2026(235 of 237 days covered by obs)
NOAA Normal
23.02"
Departure from Normal
-0.57" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.10
2.31
-0.21
Feb
1.93
2.01
-0.08
Mar
2.67
2.69
-0.02
Apr
4.08
4.13
-0.05
May
4.54
4.63
-0.09
Jun
4.43
4.59
-0.16
Jul
3.95
3.64
0.31
Aug
3.25
3.24
0.01
Sep
2.99
3.11
-0.12
Oct
3.30
3.25
0.05
Nov
3.01
3.09
-0.08
Dec
2.27
2.37
-0.10
38.52
39.06
-0.54