CoCoRaHS IntensePcpn: CO-LR-735, 0.21
by info＠cocorahs.org
number: CO-LR-735
obs_date: 05/28/2026
obs_time: 08:30 PM
Submitted: Saturday, May 30, 2026
staname: Lyons 6.4 NW
Latitude: 40.279737
Longitude: -105.36362
location: True
TotalPcpn: 0.21
PcpnDurationAmt: 0.21
in past: 40
tm_units: mins
Flooding: Minor
TotalSnowDepth: 0.0
NewSnowDepth: 0.0
Notes: at 8:30pmish - dark sky and thunder, and BOTH individual lighting strikes across the sky /and/ whole sky lit up with "light" lighting, on and on; and then 8:54pm heavy rain started, pounding on my roof! // at 9:12 is slowed down for a couple of minutes, and then stopped. // at 11am 56 degrees, and a lot of it had dried. // I am shocked that only .21 is in the gauge. it was really pouring down consistently.
1 month
CoCoRaHS Hail: CO-BO-220
by info＠cocorahs.org
number: CO-BO-220
obs_date: 05/29/2026
obs_time: 04:00
Submitted: Friday, May 29, 2026
staname: Boulder 4.7 ENE
Latitude: 40.0591
Longitude: -105.1717
location: True
am_pm: PM
largest: 0.100
smallest: 0.100
average: 0.100
consistency: Mixed, White Ice
damage: minor leaf damage
comments: Damage to most sensitive leaves and flowers.
duration: 5
accuracy: 1min
timing: Continuous
more rain: False
hail started: After rain
Largest hail started: Same time as smaller hail
angle: 50-60
num_stones:
distance:
depth:
samples: False
1 month
CoCoRaHS Hail: CO-AR-421
by info＠cocorahs.org
number: CO-AR-421
obs_date: 05/28/2026
obs_time: 08:41
Submitted: Thursday, May 28, 2026
staname: Littleton 1.4 ENE
Latitude: 39.602704
Longitude: -104.9906067
location: True
am_pm: PM
largest: 0.375
smallest: 0.100
average: 0.250
consistency: Hard, White Ice
damage: no damage
comments:
duration: 3
accuracy: 1min
timing: Continuous
more rain: True
hail started: After rain
Largest hail started: Same time as smaller hail
angle:
num_stones:
distance:
depth:
samples: False
1 month
CoCoRaHS IntensePcpn: CO-LR-340, NA
by info＠cocorahs.org
number: CO-LR-340
obs_date: 05/27/2026
obs_time: 03:45 PM
Submitted: Wednesday, May 27, 2026
staname: FCL 2.55 NE
Latitude: 40.6068
Longitude: -105.0634
location: True
TotalPcpn: NA
PcpnDurationAmt: 0.21
in past: 10
tm_units: mins
Flooding: No
TotalSnowDepth: NA
NewSnowDepth: NA
Notes:
1 month, 1 week
CoCoRaHS Hail: CO-BO-623
by info＠cocorahs.org
number: CO-BO-623
obs_date: 05/17/2026
obs_time: 07:51
Submitted: Monday, May 18, 2026
staname: Longmont 6.6 WSW
Latitude: 40.13625
Longitude: -105.2267
location: True
am_pm: PM
largest: 0.375
smallest: 0.100
average: 0.250
consistency: Mixed, White Ice
damage: minor leaf damage.shredded leaves
comments: Covered the ground in places. Melted quickly. Photographs taken 2-3 minutes after hail stopped
duration: 5
accuracy: 2min
timing: Continuous
more rain: False
hail started: Same time as rain
Largest hail started: Same time as smaller hail
angle: 10-20
num_stones:
distance:
depth:
samples: False
1 month, 2 weeks
CoCoRaHS Hail: CO-BO-593
by info＠cocorahs.org
number: CO-BO-593
obs_date: 05/17/2026
obs_time: 08:00
Submitted: Sunday, May 17, 2026
staname: Longmont 2.3 ENE
Latitude: 40.1798
Longitude: -105.0682
location: True
am_pm: PM
largest: 0.375
smallest: 0.250
average: NA
consistency: White Ice
damage: no damage
comments:
duration: 5
accuracy: 2min
timing: Continuous
more rain: True
hail started: After rain
Largest hail started:
angle: 30-40
num_stones:
distance:
depth:
samples: False
1 month, 2 weeks
CoCoRaHS Hail: CO-LR-1004
by info＠cocorahs.org
number: CO-LR-1004
obs_date: 05/17/2026
obs_time: 01:52
Submitted: Sunday, May 17, 2026
staname: Fort Collins 1.3 ENE
Latitude: 40.565566
Longitude: -105.047861
location: True
am_pm: PM
largest: 0.250
smallest: 0.100
average: 0.250
consistency: White Ice
damage: no damage
comments:
duration: 2
accuracy:
timing:
more rain: False
hail started: After rain
Largest hail started: Same time as smaller hail
angle: 30-40
num_stones:
distance:
depth:
samples: False
1 month, 2 weeks
CoCoRaHS Hail: CO-LR-769
by info＠cocorahs.org
number: CO-LR-769
obs_date: 05/17/2026
obs_time: 01:43
Submitted: Sunday, May 17, 2026
staname: Fort Collins 0.7 SSW
Latitude: 40.54603
Longitude: -105.0731
location: True
am_pm: PM
largest: 0.375
smallest: 0.250
average: 0.250
consistency: Hard
damage: no damage
comments:
duration: 3
accuracy: 1min
timing:
more rain: True
hail started: Before rain
Largest hail started: Before smaller hail
angle:
num_stones:
distance:
depth:
samples: False
1 month, 2 weeks
CoCoRaHS Hail: CO-JF-575
by info＠cocorahs.org
number: CO-JF-575
obs_date: 05/09/2026
obs_time: 08:50
Submitted: Saturday, May 9, 2026
staname: Buffalo Creek 2.4 SE
Latitude: 39.354604
Longitude: -105.238351
location: True
am_pm: PM
largest: 0.250
smallest: 0.100
average: 0.250
consistency: Mixed, White Ice
damage: minor leaf damage
comments:
duration: 6
accuracy: 1min
timing:
more rain: True
hail started: Same time as rain
Largest hail started: Before smaller hail
angle: 30-40
num_stones:
distance:
depth:
samples: False
1 month, 3 weeks
CoCoRaHS IntensePcpn: CO-BO-67, NA
by info＠cocorahs.org
number: CO-BO-67
obs_date: 05/05/2026
obs_time: 11:00 PM
Submitted: Tuesday, May 5, 2026
staname: Boulder 4.7 E
Latitude: 39.999614
Longitude: -105.179377
location: True
TotalPcpn: NA
PcpnDurationAmt: 0.80
in past: 1080
tm_units: mins
Flooding:
TotalSnowDepth: 5.0
NewSnowDepth: 4.7
Notes: 0.80" is storm total not including the 3.3" of snow after 5 pm. S to S+ was falling straight down when I was out shaking some limbs, at 11 pm is S-. No accumulation on our sideroad or main road (Baseline Road) that I can see.
1 month, 4 weeks
