Viewing Station: IL-SC-26 : Mascoutah 1.5 SSE
Mar 12, 2016 - Sep 15, 20253,496 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.27"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.61"
Departure from Normal
-1.34" : 17% of Normal
Year-To-Date: 30.92"
Jan 1 to Sep 15, 2025(258 of 258 days covered by obs)
NOAA Normal
31.34"
Departure from Normal
-0.42" : 99% of Normal
Water Year-To-Date: 41.60"
Oct 1, 2024 to Sep 15, 2025(350 of 350 days covered by obs)
NOAA Normal
40.51"
Departure from Normal
1.09" : 103% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.63
2.75
-0.12
Feb
2.27
2.36
-0.09
Mar
3.49
3.45
0.04
Apr
4.86
4.81
0.05
May
4.93
4.98
-0.05
Jun
4.29
4.62
-0.33
Jul
3.91
4.05
-0.14
Aug
3.35
3.51
-0.16
Sep
3.22
3.25
-0.03
Oct
3.07
3.06
0.01
Nov
3.44
3.67
-0.23
Dec
2.66
2.71
-0.05
42.12
43.22
-1.10