Viewing Station: shem003 : Rockville 2.2 NW
Jun 16, 2004 - Nov 2, 20257,739 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
November 1-3, 2025(2 of 3 days covered by obs)
NOAA Normal
0.10"
Departure from Normal
-0.10" : 0% of Normal
Year-To-Date: 28.46"
Jan 1 to Nov 3, 2025(299 of 307 days covered by obs)
NOAA Normal
24.40"
Departure from Normal
4.06" : 117% of Normal
Water Year-To-Date: 0.70"
Oct 1, 2025 to Nov 3, 2025(30 of 34 days covered by obs)
NOAA Normal
2.11"
Departure from Normal
-1.41" : 33% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.52
0.50
0.02
Feb
0.65
0.64
0.01
Mar
1.37
1.49
-0.12
Apr
2.73
2.92
-0.19
May
4.12
4.13
-0.01
Jun
4.06
4.18
-0.12
Jul
3.41
3.35
0.06
Aug
3.24
3.17
0.07
Sep
2.19
2.12
0.07
Oct
2.01
2.03
-0.02
Nov
0.99
1.01
-0.02
Dec
0.66
0.75
-0.09
25.95
26.29
-0.34