Viewing Station: IL-MR-10 : Viola 0.4 E
Sep 14, 2023 - Sep 18, 2025451 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
September 1-18, 2025(15 of 18 days covered by obs)
NOAA Normal
2.16"
Departure from Normal
-2.08" : 4% of Normal
Year-To-Date: 10.26"
Jan 1 to Sep 18, 2025(66 of 261 days covered by obs)
NOAA Normal
29.16"
Departure from Normal
-18.90" : 35% of Normal
Water Year-To-Date: 13.71"
Oct 1, 2024 to Sep 18, 2025(116 of 353 days covered by obs)
NOAA Normal
36.46"
Departure from Normal
-22.75" : 38% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.58
1.56
0.02
Feb
1.81
1.79
0.02
Mar
2.51
2.38
0.13
Apr
3.73
3.73
0.00
May
4.92
4.91
0.01
Jun
4.80
4.66
0.14
Jul
3.89
3.90
-0.01
Aug
3.76
3.70
0.06
Sep
3.60
3.65
-0.05
Oct
2.89
2.78
0.11
Nov
2.43
2.33
0.10
Dec
1.98
1.95
0.03
37.90
37.34
0.56