Viewing Station: PA-DL-15 : Bryn Mawr 0.7 W
Oct 1, 2018 - May 23, 20262,809 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.38"
May 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
2.86"
Departure from Normal
-1.48" : 48% of Normal
Year-To-Date: 10.24"
Jan 1 to May 23, 2026(143 of 143 days covered by obs)
NOAA Normal
16.88"
Departure from Normal
-6.64" : 61% of Normal
Water Year-To-Date: 19.26"
Oct 1, 2025 to May 23, 2026(235 of 235 days covered by obs)
NOAA Normal
28.42"
Departure from Normal
-9.16" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.42
3.53
-0.11
Feb
2.80
2.89
-0.09
Mar
4.09
4.26
-0.17
Apr
3.71
3.68
0.03
May
3.86
3.92
-0.06
Jun
4.36
4.21
0.15
Jul
4.69
4.66
0.03
Aug
4.49
4.81
-0.32
Sep
4.60
4.44
0.16
Oct
3.97
4.05
-0.08
Nov
3.32
3.24
0.08
Dec
4.25
4.42
-0.17
47.56
48.11
-0.55