Viewing Station: IL-MD-45 : Edwardsville 1.2 ENE
Feb 24, 2020 - May 27, 20262,077 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.03"
May 1-27, 2026(26 of 27 days covered by obs)
NOAA Normal
4.33"
Departure from Normal
0.70" : 116% of Normal
Year-To-Date: 20.22"
Jan 1 to May 27, 2026(146 of 147 days covered by obs)
NOAA Normal
17.13"
Departure from Normal
3.09" : 118% of Normal
Water Year-To-Date: 27.29"
Oct 1, 2025 to May 27, 2026(238 of 239 days covered by obs)
NOAA Normal
26.50"
Departure from Normal
0.79" : 103% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.55
2.64
-0.09
Feb
2.23
2.37
-0.14
Mar
3.31
3.45
-0.14
Apr
4.71
4.88
-0.17
May
4.97
5.14
-0.17
Jun
4.21
4.68
-0.47
Jul
4.23
4.38
-0.15
Aug
3.34
3.78
-0.44
Sep
3.31
3.08
0.23
Oct
3.24
3.29
-0.05
Nov
3.50
3.47
0.03
Dec
2.63
2.64
-0.01
42.23
43.80
-1.57