Viewing Station: IL-LV-27 : Flanagan 0.4 NNE
Jan 17, 2023 - Aug 13, 20261,028 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.65"
August 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.51"
Departure from Normal
1.14" : 176% of Normal
Year-To-Date: 26.58"
Jan 1 to Aug 13, 2026(224 of 225 days covered by obs)
NOAA Normal
24.01"
Departure from Normal
2.57" : 111% of Normal
Water Year-To-Date: 31.00"
Oct 1, 2025 to Aug 13, 2026(315 of 317 days covered by obs)
NOAA Normal
31.72"
Departure from Normal
-0.72" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.98
2.04
-0.06
Feb
1.73
1.81
-0.08
Mar
2.47
2.56
-0.09
Apr
3.64
3.57
0.07
May
4.62
4.48
0.14
Jun
4.12
4.05
0.07
Jul
3.94
3.87
0.07
Aug
3.59
3.46
0.13
Sep
3.39
3.30
0.09
Oct
3.15
3.11
0.04
Nov
2.52
2.59
-0.07
Dec
2.04
2.07
-0.03
37.19
36.91
0.28