CoCoRaHS Hail: CO-BO-76
by info＠cocorahs.org
number: CO-BO-76
obs_date: 09/13/2025
obs_time: 05:21
Submitted: Saturday, September 13, 2025
staname: Niwot 1.8 SSW
Latitude: 40.0786
Longitude: -105.1808
location: True
am_pm: PM
largest: 0.250
smallest: 0.100
average: 0.100
consistency: Hard, White Ice
damage: no damage
comments:
duration: 3
accuracy: 1min
timing: Continuous
more rain: False
hail started: Before rain
Largest hail started: Same time as smaller hail
angle: 10-20
num_stones:
distance:
depth:
samples: False
3 months
CoCoRaHS IntensePcpn: CO-BO-286, 0.36
by info＠cocorahs.org
number: CO-BO-286
obs_date: 09/11/2025
obs_time: 01:00 PM
Submitted: Thursday, September 11, 2025
staname: Boulder 3.5 S
Latitude: 39.977
Longitude: -105.2576
location: True
TotalPcpn: 0.36
PcpnDurationAmt: 0.36
in past: 15
tm_units: mins
Flooding: Minor
TotalSnowDepth: NA
NewSnowDepth: NA
Notes: Rain event started with "spit" of big drops that barely covered the pavement. The backside of the rain cloud produced very heavy rain that caused the street flooding. This part of the storm only lasted about 5 mins
3 months
CoCoRaHS Hail: CO-LR-623
by info＠cocorahs.org
number: CO-LR-623
obs_date: 09/07/2025
obs_time: 03:28
Submitted: Sunday, September 7, 2025
staname: Fort Collins 5.4 WSW
Latitude: 40.518589
Longitude: -105.158975
location: True
am_pm: PM
largest: NA
smallest: NA
average: 0.250
consistency: Hard, White Ice
damage: no damage
comments: Light rain, hail started and rain became heavy for about a minute. Hail continued lightly until rain stopped.
duration: 10
accuracy: 1min
timing: Intermittent
more rain: True
hail started: After rain
Largest hail started:
angle:
num_stones:
distance:
depth:
samples: False
3 months, 1 week
CoCoRaHS IntensePcpn: CO-AD-100, NA
by info＠cocorahs.org
number: CO-AD-100
obs_date: 09/04/2025
obs_time: 06:55 PM
Submitted: Thursday, September 4, 2025
staname: Thornton 2.1 N
Latitude: 39.922123
Longitude: -104.955296
location: True
TotalPcpn: NA
PcpnDurationAmt: NA
in past: 4
tm_units: mins
Flooding:
TotalSnowDepth: NA
NewSnowDepth: NA
Notes: // 18:55, Wind driven rain. 18:56 peak gust 31 N.
3 months, 1 week
