Viewing Station: IL-MA-29 : Oreana 1.3 S
Jun 2, 2020 - Sep 21, 20262,300 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.40"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.27"
Departure from Normal
0.13" : 106% of Normal
Year-To-Date: 34.76"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
28.95"
Departure from Normal
5.81" : 120% of Normal
Water Year-To-Date: 39.43"
Oct 1, 2025 to Sep 22, 2026(356 of 357 days covered by obs)
NOAA Normal
37.43"
Departure from Normal
2.00" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.12
2.29
-0.17
Feb
1.93
2.02
-0.09
Mar
2.60
2.70
-0.10
Apr
4.01
4.04
-0.03
May
4.53
4.52
0.01
Jun
4.34
4.45
-0.11
Jul
3.88
3.77
0.11
Aug
3.27
3.15
0.12
Sep
3.09
3.07
0.02
Oct
3.22
3.25
-0.03
Nov
3.02
3.06
-0.04
Dec
2.24
2.36
-0.12
38.25
38.68
-0.43