Viewing Station: IL-ME-8 : Petersburg 6.5 SSE
Jul 22, 2013 - May 25, 20264,209 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.87"
May 1-25, 2026(25 of 25 days covered by obs)
NOAA Normal
3.68"
Departure from Normal
-0.81" : 78% of Normal
Year-To-Date: 17.54"
Jan 1 to May 25, 2026(145 of 145 days covered by obs)
NOAA Normal
14.27"
Departure from Normal
3.27" : 123% of Normal
Water Year-To-Date: 21.34"
Oct 1, 2025 to May 25, 2026(237 of 237 days covered by obs)
NOAA Normal
22.41"
Departure from Normal
-1.07" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.12
2.12
0.00
Feb
1.91
1.86
0.05
Mar
2.57
2.61
-0.04
Apr
3.99
3.94
0.05
May
4.56
4.65
-0.09
Jun
4.31
4.20
0.11
Jul
3.67
3.79
-0.12
Aug
3.51
3.43
0.08
Sep
3.05
3.08
-0.03
Oct
3.22
3.12
0.10
Nov
2.87
2.84
0.03
Dec
2.05
2.10
-0.05
37.83
37.74
0.09