Viewing Station: IL-MD-41 : Troy 1.9 S
Feb 21, 2020 - May 31, 20251,755 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.47"
May 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
4.99"
Departure from Normal
0.48" : 110% of Normal
Year-To-Date: 22.01"
Jan 1 to May 31, 2025(151 of 151 days covered by obs)
NOAA Normal
18.01"
Departure from Normal
4.00" : 122% of Normal
Water Year-To-Date: 33.02"
Oct 1, 2024 to May 31, 2025(243 of 243 days covered by obs)
NOAA Normal
27.38"
Departure from Normal
5.64" : 121% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.60
2.72
-0.12
Feb
2.23
2.35
-0.12
Mar
3.39
3.44
-0.05
Apr
4.80
4.84
-0.04
May
4.99
5.06
-0.07
Jun
4.37
4.62
-0.25
Jul
4.08
4.22
-0.14
Aug
3.38
3.63
-0.25
Sep
3.30
3.23
0.07
Oct
3.19
3.19
0.00
Nov
3.51
3.59
-0.08
Dec
2.67
2.68
-0.01
42.51
43.57
-1.06