Viewing Station: IL-MA-27 : Decatur 3.2 SW
Mar 11, 2020 - Jul 13, 20261,525 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.12"
July 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.65"
Departure from Normal
3.47" : 311% of Normal
Year-To-Date: 32.32"
Jan 1 to Jul 13, 2026(194 of 194 days covered by obs)
NOAA Normal
21.62"
Departure from Normal
10.70" : 150% of Normal
Water Year-To-Date: 38.75"
Oct 1, 2025 to Jul 13, 2026(286 of 286 days covered by obs)
NOAA Normal
30.27"
Departure from Normal
8.48" : 128% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.13
2.32
-0.19
Feb
1.94
2.01
-0.07
Mar
2.70
2.69
0.01
Apr
4.12
4.14
-0.02
May
4.58
4.62
-0.04
Jun
4.50
4.59
-0.09
Jul
3.93
3.62
0.31
Aug
3.26
3.23
0.03
Sep
3.00
3.10
-0.10
Oct
3.31
3.25
0.06
Nov
3.04
3.10
-0.06
Dec
2.30
2.38
-0.08
38.81
39.05
-0.24