Viewing Station: IL-MA-40 : Decatur 6.5 WSW
Feb 14, 2026 - Aug 24, 2026220 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.71"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.53"
Departure from Normal
3.18" : 226% of Normal
Year-To-Date: 35.52"
Jan 1 to Aug 24, 2026(192 of 236 days covered by obs)
NOAA Normal
26.52"
Departure from Normal
9.00" : 134% of Normal
Water Year-To-Date: 35.52"
Oct 1, 2025 to Aug 24, 2026(192 of 328 days covered by obs)
NOAA Normal
35.14"
Departure from Normal
0.38" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.14
2.30
-0.16
Feb
1.94
2.00
-0.06
Mar
2.70
2.70
0.00
Apr
4.12
4.12
0.00
May
4.60
4.62
-0.02
Jun
4.54
4.59
-0.05
Jul
3.95
3.69
0.26
Aug
3.27
3.23
0.04
Sep
3.01
3.11
-0.10
Oct
3.31
3.25
0.06
Nov
3.02
3.09
-0.07
Dec
2.29
2.36
-0.07
38.89
39.06
-0.17