Viewing Station: VA-CS-48 : Bon Air 4.0 S
Nov 2, 2018 - Sep 14, 20252,509 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.64"
September 1-16, 2025(14 of 16 days covered by obs)
NOAA Normal
2.43"
Departure from Normal
-1.79" : 26% of Normal
Year-To-Date: 37.45"
Jan 1 to Sep 16, 2025(257 of 259 days covered by obs)
NOAA Normal
33.36"
Departure from Normal
4.09" : 112% of Normal
Water Year-To-Date: 42.30"
Oct 1, 2024 to Sep 16, 2025(349 of 351 days covered by obs)
NOAA Normal
43.91"
Departure from Normal
-1.61" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.43
3.42
0.01
Feb
2.76
2.75
0.01
Mar
3.94
3.92
0.02
Apr
3.43
3.41
0.02
May
4.19
4.11
0.08
Jun
4.27
4.13
0.14
Jul
4.46
4.44
0.02
Aug
4.45
4.42
0.03
Sep
4.55
4.50
0.05
Oct
3.62
3.61
0.01
Nov
3.26
3.25
0.01
Dec
3.67
3.68
-0.01
46.03
45.64
0.39