Viewing Station: IL-SP-7 : Davis 0.5 N
Mar 6, 2008 - Sep 18, 20266,311 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.39"
September 1-18, 2026(16 of 18 days covered by obs)
NOAA Normal
2.23"
Departure from Normal
0.16" : 107% of Normal
Year-To-Date: 26.39"
Jan 1 to Sep 18, 2026(181 of 261 days covered by obs)
NOAA Normal
29.11"
Departure from Normal
-2.72" : 91% of Normal
Water Year-To-Date: 29.38"
Oct 1, 2025 to Sep 18, 2026(269 of 353 days covered by obs)
NOAA Normal
36.32"
Departure from Normal
-6.94" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.52
1.55
-0.03
Feb
1.59
1.61
-0.02
Mar
2.22
2.13
0.09
Apr
3.61
3.65
-0.04
May
4.16
4.17
-0.01
Jun
5.51
5.32
0.19
Jul
4.07
3.76
0.31
Aug
4.20
4.04
0.16
Sep
3.72
3.76
-0.04
Oct
2.89
2.90
-0.01
Nov
2.38
2.32
0.06
Dec
1.94
1.91
0.03
37.81
37.12
0.69