Viewing Station: IA-BT-12 : Fairfax 4.0 NW
Apr 1, 2017 - Jul 20, 20263,370 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.56"
July 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
2.93"
Departure from Normal
0.63" : 121% of Normal
Year-To-Date: 24.51"
Jan 1 to Jul 21, 2026(201 of 202 days covered by obs)
NOAA Normal
21.02"
Departure from Normal
3.49" : 117% of Normal
Water Year-To-Date: 28.77"
Oct 1, 2025 to Jul 21, 2026(293 of 294 days covered by obs)
NOAA Normal
27.59"
Departure from Normal
1.18" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.02
1.12
-0.10
Feb
1.21
1.31
-0.10
Mar
1.96
2.09
-0.13
Apr
3.80
3.74
0.06
May
4.51
4.54
-0.03
Jun
5.59
5.56
0.03
Jul
4.33
4.41
-0.08
Aug
4.27
4.17
0.10
Sep
3.61
3.66
-0.05
Oct
2.91
2.90
0.01
Nov
2.13
2.12
0.01
Dec
1.53
1.61
-0.08
36.87
37.23
-0.36