Viewing Station: MD-SM-18 : Mechanicsville 3.8 N
Mar 27, 2019 - Mar 9, 20262,517 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.28"
March 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.16"
Departure from Normal
-0.88" : 24% of Normal
Year-To-Date: 5.51"
Jan 1 to Mar 9, 2026(68 of 68 days covered by obs)
NOAA Normal
6.99"
Departure from Normal
-1.48" : 79% of Normal
Water Year-To-Date: 10.62"
Oct 1, 2025 to Mar 9, 2026(160 of 160 days covered by obs)
NOAA Normal
17.70"
Departure from Normal
-7.08" : 60% 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