Viewing Station: MD-CH-38 : Nanjemoy 5.3 S
Jun 13, 2015 - Jul 12, 20262,896 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.92"
July 1-12, 2026(12 of 12 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
2.32" : 245% of Normal
Year-To-Date: 17.54"
Jan 1 to Jul 12, 2026(193 of 193 days covered by obs)
NOAA Normal
21.48"
Departure from Normal
-3.94" : 82% of Normal
Water Year-To-Date: 21.32"
Oct 1, 2025 to Jul 12, 2026(285 of 285 days covered by obs)
NOAA Normal
31.30"
Departure from Normal
-9.98" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.83
3.02
-0.19
Feb
2.53
2.77
-0.24
Mar
3.59
3.81
-0.22
Apr
3.15
3.35
-0.20
May
3.93
4.07
-0.14
Jun
3.85
4.16
-0.31
Jul
4.14
4.20
-0.06
Aug
3.88
4.04
-0.16
Sep
4.38
4.30
0.08
Oct
3.44
3.73
-0.29
Nov
2.96
3.19
-0.23
Dec
3.42
3.60
-0.18
42.10
44.24
-2.14