Viewing Station: IL-CE-17 : Mattoon 2.1 W
Jul 28, 2025 - May 27, 2026290 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.20"
May 1-27, 2026(24 of 27 days covered by obs)
NOAA Normal
3.81"
Departure from Normal
1.39" : 136% of Normal
Year-To-Date: 20.90"
Jan 1 to May 27, 2026(144 of 147 days covered by obs)
NOAA Normal
15.85"
Departure from Normal
5.05" : 132% of Normal
Water Year-To-Date: 27.81"
Oct 1, 2025 to May 27, 2026(236 of 239 days covered by obs)
NOAA Normal
25.33"
Departure from Normal
2.48" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.49
2.57
-0.08
Feb
2.11
2.21
-0.10
Mar
2.90
2.94
-0.04
Apr
4.54
4.66
-0.12
May
4.38
4.33
0.05
Jun
4.77
4.77
0.00
Jul
4.17
4.11
0.06
Aug
2.97
2.79
0.18
Sep
2.95
2.99
-0.04
Oct
3.55
3.58
-0.03
Nov
3.49
3.53
-0.04
Dec
2.44
2.64
-0.20
40.76
41.12
-0.36