Viewing Station: CO-WE-203 : Longmont 8.2 ESE
May 1, 2001 - Sep 17, 20258,775 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.52"
September 1-17, 2025(15 of 17 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
-0.17" : 76% of Normal
Year-To-Date: 12.24"
Jan 1 to Sep 17, 2025(258 of 260 days covered by obs)
NOAA Normal
11.17"
Departure from Normal
1.07" : 110% of Normal
Water Year-To-Date: 14.04"
Oct 1, 2024 to Sep 17, 2025(350 of 352 days covered by obs)
NOAA Normal
13.17"
Departure from Normal
0.87" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.39
0.39
0.00
Feb
0.44
0.43
0.01
Mar
0.97
1.19
-0.22
Apr
1.79
1.78
0.01
May
2.30
2.17
0.13
Jun
1.48
1.38
0.10
Jul
1.62
1.38
0.24
Aug
1.49
1.31
0.18
Sep
1.21
1.47
-0.26
Oct
0.97
1.00
-0.03
Nov
0.65
0.70
-0.05
Dec
0.38
0.44
-0.06
13.69
13.64
0.05