Viewing Station: VA-FX-111 : Herndon 2.2 NNE
Sep 9, 2020 - Apr 12, 20261,283 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
April 1-12, 2026(10 of 12 days covered by obs)
NOAA Normal
1.32"
Departure from Normal
-1.24" : 6% of Normal
Year-To-Date: 6.44"
Jan 1 to Apr 12, 2026(77 of 102 days covered by obs)
NOAA Normal
10.41"
Departure from Normal
-3.97" : 62% of Normal
Water Year-To-Date: 10.48"
Oct 1, 2025 to Apr 12, 2026(142 of 194 days covered by obs)
NOAA Normal
20.54"
Departure from Normal
-10.06" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.96
3.05
-0.09
Feb
2.55
2.64
-0.09
Mar
3.58
3.78
-0.20
Apr
3.31
3.40
-0.09
May
4.29
4.48
-0.19
Jun
4.22
4.35
-0.13
Jul
4.17
4.30
-0.13
Aug
3.48
3.70
-0.22
Sep
4.04
4.33
-0.29
Oct
3.64
3.85
-0.21
Nov
3.05
3.21
-0.16
Dec
3.44
3.57
-0.13
42.73
44.66
-1.93