Viewing Station: IL-RH-14 : Chester 5.1 ENE
Apr 5, 2023 - Nov 21, 2025209 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.09"
November 1-21, 2025(2 of 21 days covered by obs)
NOAA Normal
2.73"
Departure from Normal
-1.64" : 40% of Normal
Year-To-Date: 40.29"
Jan 1 to Nov 21, 2025(61 of 325 days covered by obs)
NOAA Normal
39.06"
Departure from Normal
1.23" : 103% of Normal
Water Year-To-Date: 5.05"
Oct 1, 2025 to Nov 21, 2025(6 of 52 days covered by obs)
NOAA Normal
5.91"
Departure from Normal
-0.86" : 85% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.72
2.78
-0.06
Feb
2.62
2.60
0.02
Mar
3.78
3.70
0.08
Apr
5.01
4.95
0.06
May
5.13
5.32
-0.19
Jun
4.21
4.35
-0.14
Jul
3.80
3.92
-0.12
Aug
3.05
3.07
-0.02
Sep
2.83
3.11
-0.28
Oct
3.18
3.15
0.03
Nov
3.90
3.89
0.01
Dec
2.94
2.99
-0.05
43.17
43.83
-0.66