Viewing Station: MD-MG-145 : Chevy Chase 1.2 SW
May 2, 2022 - Dec 27, 20251,149 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.67"
December 1-27, 2025(26 of 27 days covered by obs)
NOAA Normal
3.17"
Departure from Normal
-1.50" : 53% of Normal
Year-To-Date: 42.21"
Jan 1 to Dec 27, 2025(342 of 361 days covered by obs)
NOAA Normal
43.85"
Departure from Normal
-1.64" : 96% of Normal
Water Year-To-Date: 5.22"
Oct 1, 2025 to Dec 27, 2025(87 of 88 days covered by obs)
NOAA Normal
10.10"
Departure from Normal
-4.88" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.96
3.10
-0.14
Feb
2.64
2.77
-0.13
Mar
3.72
3.87
-0.15
Apr
3.39
3.44
-0.05
May
4.26
4.44
-0.18
Jun
4.27
4.41
-0.14
Jul
4.48
4.63
-0.15
Aug
3.73
3.86
-0.13
Sep
4.30
4.46
-0.16
Oct
3.82
4.04
-0.22
Nov
3.11
3.20
-0.09
Dec
3.64
3.68
-0.04
44.32
45.90
-1.58