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Viewing Station:
CO-BO-401 : Boulder 7.4 NNW
Apr 27, 2015 - Sep 7, 2025
1,523 Total Observations
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Observation Data Tables
Informational
Date Range to Display
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Daily Precip
113
Multi-day Precip
2
Significant Weather
0
Hail
0
Condition Monitoring
0
Map
Obs Date
Obs Time
Gauge Catch (in)
Snowfall (in)
Snowpack (in)
Flooding
Notes
Depth
SWE
Depth
SWE
2025-09-07
7:00 AM
0.00
0.0
NA
NA
NA
2025-09-06
7:00 AM
0.00
0.0
NA
NA
NA
2025-09-05
7:51 AM
0.00
0.0
NA
NA
NA
2025-09-04
6:41 AM
0.00
0.0
NA
NA
NA
2025-09-03
6:45 AM
0.00
0.0
NA
NA
NA
2025-09-02
7:00 AM
0.00
0.0
NA
NA
NA
2025-09-01
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-31
7:10 AM
0.29
NA
NA
NA
NA
2025-08-30
7:10 AM
0.13
NA
NA
NA
NA
2025-08-29
7:05 AM
0.02
NA
NA
NA
NA
2025-08-28
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-24
7:10 AM
0.12
NA
NA
NA
NA
2025-08-23
7:10 AM
0.17
NA
NA
NA
NA
2025-08-22
7:05 AM
0.00
0.0
NA
NA
NA
2025-08-21
7:05 AM
0.00
0.0
NA
NA
NA
2025-08-20
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-19
7:20 AM
T
NA
NA
NA
NA
2025-08-17
7:10 AM
0.09
NA
NA
NA
NA
2025-08-16
7:09 AM
0.00
0.0
NA
NA
NA
2025-08-15
7:05 AM
0.00
0.0
NA
NA
NA
2025-08-14
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-13
7:05 AM
0.00
0.0
NA
NA
NA
2025-08-12
7:10 AM
0.00
0.0
NA
NA
NA
2025-08-11
7:10 AM
0.08
NA
NA
NA
NA
Precip from thunderstorms.
2025-08-10
7:05 AM
0.00
0.0
NA
NA
NA
2025-08-09
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-07
7:06 AM
0.00
0.0
NA
NA
NA
2025-08-06
7:00 AM
0.00
0.0
NA
NA
NA
2025-08-05
7:05 AM
0.00
0.0
NA
NA
NA
2025-08-04
7:25 AM
0.00
0.0
NA
NA
NA
2025-08-03
7:25 AM
0.04
NA
NA
NA
NA
2025-08-02
6:50 AM
0.08
NA
NA
NA
NA
2025-08-01
7:05 AM
0.00
0.0
NA
NA
NA
2025-07-31
7:15 AM
T
NA
NA
NA
NA
2025-07-30
7:40 AM
T
NA
NA
NA
NA
2025-07-25
7:10 AM
T
NA
NA
NA
NA
2025-07-24
7:15 AM
0.05
NA
NA
NA
NA
2025-07-17
7:10 AM
0.70
NA
NA
NA
NA
2025-07-16
7:15 AM
0.03
NA
NA
NA
NA
2025-07-14
6:30 AM
0.03
NA
NA
NA
NA
Precip from thunderstorm
2025-07-12
7:15 AM
1.45
NA
NA
NA
NA
Precip from thunderstorms. Also marble to pea size hail.
2025-07-11
7:20 AM
0.02
NA
NA
NA
NA
2025-07-07
7:15 AM
0.03
NA
NA
NA
NA
Precip from thunderstorm
2025-07-06
7:25 AM
0.02
NA
NA
NA
NA
2025-07-04
7:15 AM
0.30
NA
NA
NA
NA
Precip from thunderstorm
2025-06-30
7:55 AM
0.02
NA
NA
NA
NA
2025-06-25
7:15 AM
0.10
NA
NA
NA
NA
2025-06-18
7:55 AM
0.06
NA
NA
NA
NA
2025-06-17
7:14 AM
0.10
NA
NA
NA
NA
2025-06-12
7:10 AM
0.04
NA
NA
NA
NA
2025-06-07
7:13 AM
0.17
NA
NA
NA
NA
2025-06-06
7:10 AM
0.27
NA
NA
NA
NA
2025-06-04
7:10 AM
0.17
NA
NA
NA
NA
2025-06-03
7:10 AM
0.51
NA
NA
NA
NA
2025-06-02
7:10 AM
0.03
NA
NA
NA
NA
2025-05-31
7:30 AM
0.10
NA
NA
NA
NA
2025-05-29
7:10 AM
0.25
NA
NA
NA
NA
2025-05-28
6:55 AM
0.27
NA
NA
NA
NA
2025-05-27
6:55 AM
0.41
NA
NA
NA
NA
2025-05-26
7:30 AM
0.43
NA
NA
NA
NA
2025-05-25
7:15 AM
0.19
NA
NA
NA
NA
2025-05-19
6:45 AM
0.06
NA
NA
NA
NA
Precipitation from thunderstorms
2025-05-15
7:00 AM
0.50
NA
NA
NA
NA
Precipitation from thunderstorms.
2025-05-08
7:10 AM
0.06
NA
NA
NA
NA
2025-05-07
7:15 AM
1.05
NA
NA
NA
NA
2025-05-06
7:15 AM
0.22
NA
NA
NA
NA
2025-05-02
7:15 AM
0.10
NA
NA
NA
NA
2025-05-01
7:20 AM
0.19
NA
NA
NA
NA
2025-04-26
7:15 AM
0.18
NA
NA
NA
NA
2025-04-25
7:15 AM
0.08
NA
NA
NA
NA
2025-04-19
7:15 AM
0.35
2.5
0.35
NA
NA
2025-04-18
7:20 AM
0.45
3.5
0.45
NA
NA
2025-04-14
6:20 AM
0.45
2.0
0.45
NA
NA
2025-03-23
7:20 AM
T
NA
NA
NA
NA
2025-03-22
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-19
7:04 AM
0.00
0.0
NA
NA
NA
2025-03-18
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-17
7:15 AM
0.00
0.0
NA
NA
NA
2025-03-16
7:11 AM
0.00
0.0
NA
NA
NA
2025-03-14
7:05 AM
0.00
0.0
NA
NA
NA
2025-03-13
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-12
7:05 AM
0.00
0.0
NA
NA
NA
2025-03-11
7:12 AM
0.00
0.0
NA
NA
NA
2025-03-09
8:20 AM
0.00
0.0
NA
NA
NA
2025-03-08
7:10 AM
0.00
0.0
NA
NA
NA
2025-03-07
7:15 AM
0.01
NA
NA
NA
NA
2025-03-06
7:10 AM
0.12
NA
NA
NA
NA
2025-03-05
7:05 AM
0.00
0.0
NA
NA
NA
2025-03-04
7:14 AM
T
NA
NA
NA
NA
2025-03-03
7:05 AM
0.00
0.0
NA
NA
NA
2025-03-02
7:00 AM
0.00
0.0
NA
NA
NA
2025-03-01
7:05 AM
0.00
0.0
NA
NA
NA
2025-02-28
7:05 AM
0.00
0.0
NA
NA
NA
2025-02-27
7:10 AM
0.00
0.0
NA
NA
NA
2025-02-26
7:15 AM
0.00
0.0
NA
NA
NA
2025-02-21
7:15 AM
0.13
2.5
0.13
NA
NA
2025-02-19
7:15 AM
0.01
0.1
0.01
NA
NA
2025-02-18
7:16 AM
0.01
0.1
0.01
NA
NA
Rime ice
2025-02-16
7:15 AM
0.27
4.5
0.27
4.5
0.27
2025-02-12
7:10 AM
0.20
3.5
0.20
NA
NA
2025-02-11
7:15 AM
0.03
1.5
0.03
NA
NA
2025-02-09
7:15 AM
0.02
0.2
0.02
NA
NA
2025-02-08
7:20 AM
T
NA
NA
NA
NA
2025-01-26
7:20 AM
0.28
8.0
0.28
NA
NA
2025-01-25
7:10 AM
0.19
2.5
0.19
NA
NA
2025-01-21
7:30 AM
T
NA
NA
NA
NA
2025-01-20
7:10 AM
0.13
1.5
0.13
NA
NA
2025-01-19
7:15 AM
0.05
1.0
0.05
NA
NA
2025-01-18
7:12 AM
0.53
7.0
0.53
NA
NA
2025-01-10
7:10 AM
0.00
0.0
NA
NA
NA
2025-01-08
7:15 AM
0.07
0.8
0.07
NA
NA
2025-01-07
7:10 AM
0.10
1.5
0.10
NA
NA
2025-01-05
7:15 AM
0.01
NA
NA
NA
NA
Melted rime ice