Viewing Station: VA-FX-114 : Herndon 2.9 S
Nov 8, 2020 - Sep 15, 20251,502 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.16"
September 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
2.03"
Departure from Normal
-1.87" : 8% of Normal
Year-To-Date: 26.86"
Jan 1 to Sep 15, 2025(254 of 258 days covered by obs)
NOAA Normal
30.58"
Departure from Normal
-3.72" : 88% of Normal
Water Year-To-Date: 32.55"
Oct 1, 2024 to Sep 15, 2025(345 of 350 days covered by obs)
NOAA Normal
40.76"
Departure from Normal
-8.21" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.98
3.07
-0.09
Feb
2.55
2.64
-0.09
Mar
3.54
3.79
-0.25
Apr
3.33
3.39
-0.06
May
4.27
4.53
-0.26
Jun
4.17
4.38
-0.21
Jul
4.22
4.31
-0.09
Aug
3.49
3.66
-0.17
Sep
4.06
4.28
-0.22
Oct
3.69
3.82
-0.13
Nov
3.06
3.20
-0.14
Dec
3.43
3.53
-0.10
42.79
44.60
-1.81