Viewing Station: WI-IR-2 : Mercer 2.0 SE
Oct 4, 2017 - Sep 8, 20262,545 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.21"
September 1-8, 2026(8 of 8 days covered by obs)
NOAA Normal
0.99"
Departure from Normal
-0.78" : 21% of Normal
Year-To-Date: 19.76"
Jan 1 to Sep 8, 2026(241 of 251 days covered by obs)
NOAA Normal
23.73"
Departure from Normal
-3.97" : 83% of Normal
Water Year-To-Date: 27.85"
Oct 1, 2025 to Sep 8, 2026(332 of 343 days covered by obs)
NOAA Normal
31.08"
Departure from Normal
-3.23" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.42
1.16
0.26
Feb
1.18
1.07
0.11
Mar
1.76
1.62
0.14
Apr
2.81
2.65
0.16
May
3.64
3.58
0.06
Jun
4.30
4.46
-0.16
Jul
4.11
4.02
0.09
Aug
3.52
3.57
-0.05
Sep
3.73
3.54
0.19
Oct
3.58
3.49
0.09
Nov
2.13
1.90
0.23
Dec
1.64
1.51
0.13
33.82
32.57
1.25