Viewing Station: IL-LG-15 : Chestnut 1.9 W
Mar 20, 2008 - Aug 24, 20265,425 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.18"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.60"
Departure from Normal
1.58" : 161% of Normal
Year-To-Date: 28.45"
Jan 1 to Aug 24, 2026(234 of 236 days covered by obs)
NOAA Normal
26.27"
Departure from Normal
2.18" : 108% of Normal
Water Year-To-Date: 30.55"
Oct 1, 2025 to Aug 24, 2026(307 of 328 days covered by obs)
NOAA Normal
34.79"
Departure from Normal
-4.24" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.19
2.17
0.02
Feb
1.98
2.04
-0.06
Mar
2.75
2.70
0.05
Apr
3.92
3.93
-0.01
May
4.47
4.36
0.11
Jun
4.28
4.30
-0.02
Jul
4.08
4.21
-0.13
Aug
3.36
3.31
0.05
Sep
3.11
2.98
0.13
Oct
3.28
3.29
-0.01
Nov
2.98
2.86
0.12
Dec
2.26
2.23
0.03
38.66
38.38
0.28