Viewing Station: NY-ER-104 : Williamsville 2.2 NNW
Dec 27, 2013 - Sep 7, 20252,094 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.53"
September 1-17, 2025(7 of 17 days covered by obs)
NOAA Normal
2.18"
Departure from Normal
-1.65" : 24% of Normal
Year-To-Date: 19.68"
Jan 1 to Sep 17, 2025(241 of 260 days covered by obs)
NOAA Normal
26.47"
Departure from Normal
-6.79" : 74% of Normal
Water Year-To-Date: 27.99"
Oct 1, 2024 to Sep 17, 2025(332 of 352 days covered by obs)
NOAA Normal
36.65"
Departure from Normal
-8.66" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.85
3.00
-0.15
Feb
2.17
2.35
-0.18
Mar
2.62
2.78
-0.16
Apr
3.35
3.39
-0.04
May
3.25
3.18
0.07
Jun
3.35
3.47
-0.12
Jul
3.45
3.26
0.19
Aug
3.25
3.10
0.15
Sep
3.85
3.87
-0.02
Oct
3.70
3.84
-0.14
Nov
3.20
3.24
-0.04
Dec
3.28
3.31
-0.03
38.32
38.79
-0.47