Viewing Station: CO-BO-623 : Longmont 6.6 WSW
May 14, 2026 - Sep 11, 2026127 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.14"
September 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
0.55"
Departure from Normal
-0.41" : 25% of Normal
Year-To-Date: 3.36"
Jan 1 to Sep 11, 2026(121 of 254 days covered by obs)
NOAA Normal
14.08"
Departure from Normal
-10.72" : 24% of Normal
Water Year-To-Date: 3.36"
Oct 1, 2025 to Sep 11, 2026(121 of 346 days covered by obs)
NOAA Normal
16.81"
Departure from Normal
-13.45" : 20% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.58
0.56
0.02
Feb
0.70
0.69
0.01
Mar
1.56
1.49
0.07
Apr
2.40
2.25
0.15
May
2.89
2.70
0.19
Jun
1.88
1.77
0.11
Jul
1.82
1.52
0.30
Aug
1.70
1.42
0.28
Sep
1.50
1.74
-0.24
Oct
1.29
1.27
0.02
Nov
0.88
0.86
0.02
Dec
0.56
0.55
0.01
17.76
16.82
0.94