Viewing Station: VA-CS-48 : Bon Air 4.0 S
Nov 2, 2018 - May 21, 20262,759 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-19, 2026(0 of 19 days covered by obs)
NOAA Normal
2.88"
Departure from Normal
-2.88" : 0% of Normal
Year-To-Date: 10.92"
Jan 1 to Sep 19, 2026(141 of 262 days covered by obs)
NOAA Normal
33.81"
Departure from Normal
-22.89" : 32% of Normal
Water Year-To-Date: 16.96"
Oct 1, 2025 to Sep 19, 2026(233 of 354 days covered by obs)
NOAA Normal
44.36"
Departure from Normal
-27.40" : 38% 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