Viewing Station: CO-PH-28 : Holyoke 5.7 NW
May 10, 2004 - Sep 15, 20251,190 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.97"
September 1-15, 2025(3 of 15 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
1.28" : 286% of Normal
Year-To-Date: 18.84"
Jan 1 to Sep 15, 2025(44 of 258 days covered by obs)
NOAA Normal
14.72"
Departure from Normal
4.12" : 128% of Normal
Water Year-To-Date: 20.88"
Oct 1, 2024 to Sep 15, 2025(47 of 350 days covered by obs)
NOAA Normal
16.83"
Departure from Normal
4.05" : 124% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.29
0.31
-0.02
Feb
0.44
0.48
-0.04
Mar
0.84
0.86
-0.02
Apr
1.87
1.87
0.00
May
2.78
2.84
-0.06
Jun
2.79
2.82
-0.03
Jul
2.69
2.70
-0.01
Aug
2.33
2.35
-0.02
Sep
1.38
1.35
0.03
Oct
1.26
1.21
0.05
Nov
0.48
0.49
-0.01
Dec
0.37
0.41
-0.04
17.52
17.69
-0.17