Viewing Station: CO-BO-612 : Longmont 0.8 ENE
Apr 20, 2025 - Sep 17, 2025136 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
September 1-17, 2025(12 of 17 days covered by obs)
NOAA Normal
0.77"
Departure from Normal
-0.08" : 90% of Normal
Year-To-Date: 6.60"
Jan 1 to Sep 17, 2025(135 of 260 days covered by obs)
NOAA Normal
12.57"
Departure from Normal
-5.97" : 52% of Normal
Water Year-To-Date: 6.60"
Oct 1, 2024 to Sep 17, 2025(135 of 352 days covered by obs)
NOAA Normal
14.96"
Departure from Normal
-8.36" : 44% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.44
0.07
Feb
0.56
0.52
0.04
Mar
1.35
1.23
0.12
Apr
2.10
1.93
0.17
May
2.58
2.47
0.11
Jun
1.66
1.50
0.16
Jul
1.57
1.31
0.26
Aug
1.48
1.36
0.12
Sep
1.35
1.41
-0.06
Oct
1.10
1.06
0.04
Nov
0.79
0.73
0.06
Dec
0.49
0.46
0.03
15.54
14.42
1.12