Viewing Station: MD-MG-155 : Ashton-Sandy Spring 1.8 NNW
Jan 4, 2024 - Dec 6, 2025423 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.02"
December 1-6, 2025(3 of 6 days covered by obs)
NOAA Normal
0.71"
Departure from Normal
0.31" : 143% of Normal
Year-To-Date: 36.71"
Jan 1 to Dec 6, 2025(120 of 340 days covered by obs)
NOAA Normal
42.18"
Departure from Normal
-5.47" : 87% of Normal
Water Year-To-Date: 4.56"
Oct 1, 2025 to Dec 6, 2025(16 of 67 days covered by obs)
NOAA Normal
7.84"
Departure from Normal
-3.28" : 58% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.07
3.13
-0.06
Feb
2.65
2.78
-0.13
Mar
3.78
3.94
-0.16
Apr
3.52
3.48
0.04
May
4.37
4.31
0.06
Jun
4.26
4.25
0.01
Jul
4.45
4.25
0.20
Aug
3.93
3.81
0.12
Sep
4.31
4.33
-0.02
Oct
3.90
4.04
-0.14
Nov
3.23
3.26
-0.03
Dec
3.69
3.80
-0.11
45.16
45.38
-0.22