Viewing Station: VA-FX-114 : Herndon 2.9 S
Nov 8, 2020 - May 27, 20261,714 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.85"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.72"
Departure from Normal
1.13" : 130% of Normal
Year-To-Date: 15.76"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
16.12"
Departure from Normal
-0.36" : 98% of Normal
Water Year-To-Date: 19.54"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
26.30"
Departure from Normal
-6.76" : 74% 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