Viewing Station: MD-SM-18 : Mechanicsville 3.8 N
Mar 27, 2019 - Jul 13, 20252,279 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.67"
July 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
1.85"
Departure from Normal
1.82" : 199% of Normal
Year-To-Date: 28.06"
Jan 1 to Jul 13, 2025(193 of 194 days covered by obs)
NOAA Normal
23.07"
Departure from Normal
4.99" : 122% of Normal
Water Year-To-Date: 33.31"
Oct 1, 2024 to Jul 13, 2025(285 of 286 days covered by obs)
NOAA Normal
33.78"
Departure from Normal
-0.47" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.13
3.15
-0.02
Feb
2.70
2.86
-0.16
Mar
3.98
4.04
-0.06
Apr
3.26
3.25
0.01
May
4.00
4.19
-0.19
Jun
4.15
4.21
-0.06
Jul
4.40
4.49
-0.09
Aug
4.49
4.70
-0.21
Sep
4.67
4.57
0.10
Oct
3.88
4.07
-0.19
Nov
3.18
3.24
-0.06
Dec
3.65
3.83
-0.18
45.49
46.60
-1.11