Viewing Station: MD-CH-38 : Nanjemoy 5.3 S
Jun 13, 2015 - Jan 11, 20262,714 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.99"
January 1-12, 2026(11 of 12 days covered by obs)
NOAA Normal
1.10"
Departure from Normal
-0.11" : 90% of Normal
Year-To-Date: 0.99"
Jan 1 to Jan 12, 2026(11 of 12 days covered by obs)
NOAA Normal
1.10"
Departure from Normal
-0.11" : 90% of Normal
Water Year-To-Date: 4.77"
Oct 1, 2025 to Jan 12, 2026(103 of 104 days covered by obs)
NOAA Normal
10.92"
Departure from Normal
-6.15" : 44% 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