Viewing Station: IL-HY-15 : Coal Valley 2.6 E
Aug 6, 2017 - Aug 24, 20262,691 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.01"
August 1-24, 2026(17 of 24 days covered by obs)
NOAA Normal
3.00"
Departure from Normal
2.01" : 167% of Normal
Year-To-Date: 27.28"
Jan 1 to Aug 24, 2026(192 of 236 days covered by obs)
NOAA Normal
25.95"
Departure from Normal
1.33" : 105% of Normal
Water Year-To-Date: 31.80"
Oct 1, 2025 to Aug 24, 2026(269 of 328 days covered by obs)
NOAA Normal
32.99"
Departure from Normal
-1.19" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.50
1.53
-0.03
Feb
1.72
1.75
-0.03
Mar
2.45
2.43
0.02
Apr
3.73
3.63
0.10
May
4.68
4.80
-0.12
Jun
4.84
4.61
0.23
Jul
4.03
4.17
-0.14
Aug
3.87
3.83
0.04
Sep
3.47
3.47
0.00
Oct
2.79
2.78
0.01
Nov
2.32
2.26
0.06
Dec
1.93
2.01
-0.08
37.33
37.27
0.06