Viewing Station: VA-HV-11 : Rockville 5.1 W
Apr 13, 2020 - Nov 1, 20251,985 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
November 1-1, 2025(1 of 1 days covered by obs)
NOAA Normal
0.11"
Departure from Normal
-0.11" : 0% of Normal
Year-To-Date: 39.51"
Jan 1 to Nov 1, 2025(292 of 305 days covered by obs)
NOAA Normal
38.39"
Departure from Normal
1.12" : 103% of Normal
Water Year-To-Date: 1.05"
Oct 1, 2025 to Nov 1, 2025(30 of 32 days covered by obs)
NOAA Normal
3.87"
Departure from Normal
-2.82" : 27% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.30
3.24
0.06
Feb
2.80
2.75
0.05
Mar
3.82
3.69
0.13
Apr
3.40
3.35
0.05
May
4.11
4.13
-0.02
Jun
4.23
4.01
0.22
Jul
4.32
4.07
0.25
Aug
4.09
4.20
-0.11
Sep
4.45
4.30
0.15
Oct
3.76
3.60
0.16
Nov
3.39
3.21
0.18
Dec
3.54
3.53
0.01
45.21
44.08
1.13