Viewing Station: CO-BO-143 : Longmont 2.1 N
Mar 31, 2001 - Dec 21, 20259,074 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.53"
December 1-22, 2025(21 of 22 days covered by obs)
NOAA Normal
0.35"
Departure from Normal
0.18" : 152% of Normal
Year-To-Date: 14.09"
Jan 1 to Dec 22, 2025(355 of 356 days covered by obs)
NOAA Normal
15.40"
Departure from Normal
-1.31" : 92% of Normal
Water Year-To-Date: 1.02"
Oct 1, 2025 to Dec 22, 2025(82 of 83 days covered by obs)
NOAA Normal
2.24"
Departure from Normal
-1.22" : 46% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.43
0.08
Feb
0.56
0.50
0.06
Mar
1.35
1.19
0.16
Apr
2.10
1.92
0.18
May
2.58
2.48
0.10
Jun
1.66
1.47
0.19
Jul
1.57
1.29
0.28
Aug
1.48
1.32
0.16
Sep
1.35
1.36
-0.01
Oct
1.10
1.05
0.05
Nov
0.79
0.72
0.07
Dec
0.49
0.45
0.04
15.54
14.18
1.36