Viewing Station: MD-BL-39 : Catonsville 1.2 NW
Jul 27, 2015 - Sep 27, 20262,868 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.62"
September 1-27, 2026(25 of 27 days covered by obs)
NOAA Normal
4.01"
Departure from Normal
-0.39" : 90% of Normal
Year-To-Date: 15.76"
Jan 1 to Sep 27, 2026(110 of 270 days covered by obs)
NOAA Normal
34.71"
Departure from Normal
-18.95" : 45% of Normal
Water Year-To-Date: 18.24"
Oct 1, 2025 to Sep 27, 2026(115 of 362 days covered by obs)
NOAA Normal
46.06"
Departure from Normal
-27.82" : 40% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.11
3.25
-0.14
Feb
2.77
2.88
-0.11
Mar
3.96
4.13
-0.17
Apr
3.63
3.61
0.02
May
4.22
4.26
-0.04
Jun
4.28
4.23
0.05
Jul
4.46
4.36
0.10
Aug
4.27
4.01
0.26
Sep
4.46
4.55
-0.09
Oct
4.22
4.27
-0.05
Nov
3.43
3.31
0.12
Dec
3.70
3.96
-0.26
46.51
46.82
-0.31