Viewing Station: IL-SC-47 : O'Fallon 1.8 N
Mar 26, 2025 - Mar 7, 2026342 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.07"
March 1-7, 2026(6 of 7 days covered by obs)
NOAA Normal
0.78"
Departure from Normal
2.29" : 394% of Normal
Year-To-Date: 5.82"
Jan 1 to Mar 7, 2026(63 of 66 days covered by obs)
NOAA Normal
5.57"
Departure from Normal
0.25" : 105% of Normal
Water Year-To-Date: 13.27"
Oct 1, 2025 to Mar 7, 2026(155 of 158 days covered by obs)
NOAA Normal
14.84"
Departure from Normal
-1.57" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.58
2.78
-0.20
Feb
2.21
2.37
-0.16
Mar
3.45
3.50
-0.05
Apr
4.85
4.87
-0.02
May
4.97
5.06
-0.09
Jun
4.37
4.65
-0.28
Jul
3.96
4.23
-0.27
Aug
3.32
3.64
-0.32
Sep
3.33
3.31
0.02
Oct
3.17
3.14
0.03
Nov
3.46
3.64
-0.18
Dec
2.64
2.70
-0.06
42.31
43.89
-1.58