Viewing Station: IL-SC-33 : O'Fallon 2.8 NNE
Dec 6, 2020 - Dec 31, 2021219 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
December 1-29, 2025(0 of 29 days covered by obs)
NOAA Normal
2.48"
Departure from Normal
-2.48" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Dec 29, 2025(0 of 363 days covered by obs)
NOAA Normal
42.14"
Departure from Normal
-42.14" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Dec 29, 2025(0 of 90 days covered by obs)
NOAA Normal
9.16"
Departure from Normal
-9.16" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.59
2.79
-0.20
Feb
2.22
2.37
-0.15
Mar
3.39
3.49
-0.10
Apr
4.82
4.88
-0.06
May
4.94
5.07
-0.13
Jun
4.35
4.66
-0.31
Jul
4.00
4.23
-0.23
Aug
3.36
3.63
-0.27
Sep
3.31
3.29
0.02
Oct
3.19
3.15
0.04
Nov
3.49
3.65
-0.16
Dec
2.65
2.69
-0.04
42.31
43.90
-1.59