Station Overview Station Location
Station Number CO-BO-457 Latitude 40.03176389
Station Name Boulder 0.7 ENE Longitude -105.23972222
County Boulder Elevation (ft) 5275



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 19 1.21 1.96 30 1.96 30 0.00 0 0 10 0 18.9 6 7
Nov 19 0.92 1.93 29 1.79 27 0.14 2 1 5 2 21.2 4 9
Dec 19 0.68 0.19 22 0.19 16 0.00 6 2 2 0 2.4 1 8
Jan 20 0.55 0.00 10 0.00 6 0.00 4 1 0 0 0.0 0 0
Feb 20 0.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 20 1.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 2.22 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 2.51 1.83 25 1.83 23 0.00 2 1 10 1 0.0 0 0
June 20 2.11 2.07 28 2.07 28 0.00 0 0 13 2 0.0 0 0
July 20 1.79 0.63 27 0.63 27 0.00 0 0 9 2 0.0 0 0
Aug 20 1.74 0.50 27 0.50 22 0.00 5 0 5 2 0.0 0 0
Sept 20 1.61 1.59 30 1.31 16 0.28 14 2 5 1 2.9 1 1
Water Year Totals: 17.63" 10.70" 228 days 10.28" 195 0.42" 33 days 7 59 days 10 days 45.4" 12 days 25 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2019 0.02
10/2/2019 0.28
10/3/2019 0.04
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.12
10/11/2019 0.15
10/12/2019 0.00
10/13/2019 0.00
10/14/2019
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.00
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 0.00
10/21/2019 0.00
10/22/2019 0.00
10/23/2019 0.00
10/24/2019 0.44
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.07
10/28/2019 0.45
10/29/2019 0.12
10/30/2019 0.27
10/31/2019 0.00
11/1/2019 0.00
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.08
11/8/2019 0.00
11/9/2019
11/10/2019 0.00
11/11/2019 0.10
11/12/2019 0.00
11/13/2019 0.00
11/14/2019 T
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 0.00
11/19/2019 0.00
11/20/2019 0.00
11/21/2019 0.31
11/22/2019 **
11/23/2019 0.14
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 1.12
11/27/2019 0.18
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 T
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.00
12/5/2019 0.00
12/6/2019 0.08
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 0.00
12/10/2019 0.00
12/11/2019 0.00
12/12/2019
12/13/2019
12/14/2019
12/15/2019
12/16/2019
12/17/2019
12/18/2019
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 **
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 **
12/25/2019 **
12/26/2019 **
12/27/2019 0.00
12/28/2019 0.11
12/29/2019
12/30/2019
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 **
1/4/2020 **
1/5/2020 **
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.00
1/9/2020 0.00
1/10/2020 0.00
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020
1/16/2020
1/17/2020
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020
1/31/2020
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020
2/6/2020
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020
2/12/2020
2/13/2020
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020 0.12
5/4/2020 0.06
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 0.03
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.00
5/12/2020 0.16
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.09
5/16/2020 0.17
5/17/2020 0.00
5/18/2020 0.00
5/19/2020
5/20/2020 0.00
5/21/2020
5/22/2020
5/23/2020 **
5/24/2020 0.00
5/25/2020 1.01
5/26/2020 0.02
5/27/2020
5/28/2020 0.13
5/29/2020 T
5/30/2020 0.00
5/31/2020 0.04
6/1/2020 0.08
6/2/2020
6/3/2020 0.04
6/4/2020
6/5/2020 0.04
6/6/2020 T
6/7/2020 0.06
6/8/2020 0.00
6/9/2020 0.26
6/10/2020 0.02
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.03
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.87
6/20/2020 0.18
6/21/2020 0.01
6/22/2020 0.07
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 T
6/26/2020 0.00
6/27/2020 0.33
6/28/2020 0.00
6/29/2020 0.08
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.08
7/2/2020 0.00
7/3/2020 0.00
7/4/2020
7/5/2020
7/6/2020 0.00
7/7/2020 0.00
7/8/2020 T
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.03
7/15/2020 0.03
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.02
7/20/2020 0.00
7/21/2020 0.00
7/22/2020
7/23/2020 0.04
7/24/2020 T
7/25/2020 0.13
7/26/2020 0.09
7/27/2020 0.03
7/28/2020
7/29/2020 0.18
7/30/2020 0.00
7/31/2020 0.00
8/1/2020 0.04
8/2/2020 0.01
8/3/2020 0.00
8/4/2020 T
8/5/2020 0.04
8/6/2020 0.06
8/7/2020
8/8/2020 0.00
8/9/2020
8/10/2020
8/11/2020 T
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 0.00
8/20/2020 0.00
8/21/2020 0.35
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020
8/27/2020 **
8/28/2020 **
8/29/2020 **
8/30/2020 **
8/31/2020 **
9/1/2020 **
9/2/2020 **
9/3/2020 **
9/4/2020 **
9/5/2020 **
9/6/2020 **
9/7/2020 0.28
9/8/2020 0.27
9/9/2020 0.86
9/10/2020 0.15
9/11/2020 0.02
9/12/2020 **
9/13/2020 **
9/14/2020 **
9/15/2020 **
9/16/2020 **
9/17/2020 **
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 T
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 0.01
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.02 M M M M Light rain at time of observation
10/2/2019 7:00 AM 0.28 M M M M Light rain at time of observation
10/3/2019 7:00 AM 0.04 M M M M
10/4/2019 7:00 AM 0.00 0.0 M M M
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 7:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:00 AM 0.00 0.0 M M M
10/10/2019 7:00 AM 0.12 1.5 M 1.5 M Snowing at time of observation.
10/11/2019 7:00 AM 0.15 1.5 M 2.5 M
10/12/2019 7:00 AM 0.00 0.0 M M M
10/13/2019 7:00 AM 0.00 0.0 M M M
10/15/2019 7:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.00 0.0 M M M
10/17/2019 7:00 AM 0.00 0.0 M M M
10/18/2019 7:00 AM 0.00 0.0 M M M
10/19/2019 7:00 AM 0.00 0.0 M M M
10/20/2019 7:00 AM 0.00 0.0 M M M
10/21/2019 7:00 AM 0.00 0.0 M M M
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:00 AM 0.00 0.0 M M M
10/24/2019 7:00 AM 0.44 4.2 M 4.2 M Wet wintery mix
10/25/2019 7:00 AM 0.00 0.0 M M M
10/26/2019 7:00 AM 0.00 0.0 M M M
10/27/2019 7:00 AM 0.07 0.0 M 0.0 M Light flurries at time of observation Surfaces coated with ice Roads wet - no ice or snow
10/28/2019 7:00 AM 0.45 6.1 M 6.1 M Snowing at time of observation
10/29/2019 7:00 AM 0.12 2.1 M 5.6 M Snowing at time of observation
10/30/2019 8:00 AM 0.27 3.5 M 7.7 M
10/31/2019 7:00 AM 0.00 0.0 M 5.1 M
11/1/2019 9:00 AM 0.00 0.0 M 1.1 M
11/2/2019 7:00 AM 0.00 0.0 M 0.5 M Patchy snow cover, variable snow depths
11/3/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover.
11/4/2019 7:00 AM 0.00 0.0 M M M Patchy snow on ground
11/5/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover
11/6/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover
11/7/2019 7:00 AM 0.08 M M M M Icy conditions. Water in gauge was frozen
11/8/2019 7:00 AM 0.00 0.0 M M M Frost
11/10/2019 7:00 AM 0.00 0.0 M M M
11/11/2019 8:00 AM 0.10 2.5 M 2.5 M Very light snow at time of observation
11/12/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover. Trace of new snow just after yesterday’s observation
11/13/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover
11/14/2019 7:00 AM T M M M M Condensation on surfaces.
11/15/2019 7:00 AM 0.00 0.0 M M M
11/16/2019 7:00 AM 0.00 0.0 M M M
11/17/2019 7:00 AM 0.00 0.0 M M M Frost present at time of observation
11/18/2019 7:00 AM 0.00 0.0 M M M
11/19/2019 7:00 AM 0.00 0.0 M M M
11/20/2019 7:00 AM 0.00 0.0 M M M
11/21/2019 7:00 AM 0.31 0.5 M 0.5 M Light mist at time of observation Snow measurement mix of rain and snow frozen No accumulation on concrete except a thin icy layer in spots.
11/24/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover
11/25/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover
11/26/2019 8:00 AM 1.12 16.1 M 16.1 M Melted snow may not be fully reflective has fallen due to the gauge being full. Snowing at time of observation. Last two hours approximately 2.5 of new snow.
11/27/2019 7:00 AM 0.18 2.1 M 17.1 M Slight snow dusting on ground at time of observation And cold.
11/28/2019 7:00 AM 0.00 0.0 M 14.8 M
11/29/2019 7:00 AM 0.00 0.0 M 13.9 M Foggy at time of observation
11/30/2019 7:00 AM T T M 13.2 M Very light snow on ground - dusting
12/1/2019 7:00 AM 0.00 0.0 M 12.6 M Light frost at time of observation
12/2/2019 7:00 AM 0.00 0.0 M 10.8 M
12/3/2019 7:00 AM 0.00 0.0 M 6.8 M
12/4/2019 7:00 AM 0.00 0.0 M 5.4 M
12/5/2019 7:00 AM 0.00 0.0 M 3.9 M
12/6/2019 7:00 AM 0.08 M M 2.9 M Heavy Frost / Foggy Patchy snow and ice
12/7/2019 7:00 AM 0.00 0.0 M 2.1 M Patchy snow and ice cover Frosty
12/8/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover and ice
12/9/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover and ice
12/10/2019 7:00 AM 0.00 0.0 M M M Heavy Frost Patchy snow and ice
12/11/2019 7:00 AM 0.00 0.0 M M M Frost Patchy snow and ice
12/19/2019 7:00 AM 0.00 0.0 M M M
12/20/2019 7:00 AM 0.00 0.0 M M M
12/23/2019 7:00 AM 0.00 0.0 M M M
12/28/2019 8:00 AM 0.11 2.4 M 2.4 M Snowing at time of observation
12/31/2019 7:00 AM 0.00 0.0 M M M Patchy snow cover. Cold out there.
1/1/2020 7:00 AM 0.00 0.0 M M M
1/2/2020 7:00 AM 0.00 0.0 M M M Patchy snow cover
1/7/2020 7:00 AM 0.00 0.0 M M M
1/8/2020 7:00 AM 0.00 0.0 M M M
1/9/2020 7:00 AM 0.00 0.0 M M M
1/10/2020 7:00 AM 0.00 0.0 M M M
5/3/2020 7:30 AM 0.12 M M M M
5/4/2020 7:00 AM 0.06 M M M M Light Rain just had ended at time of my observation.
5/5/2020 7:00 AM 0.00 0.0 M M M
5/6/2020 7:00 AM 0.00 0.0 M M M
5/7/2020 7:00 AM 0.00 0.0 M M M
5/8/2020 7:00 AM 0.03 M M M M
5/9/2020 7:00 AM 0.00 0.0 M M M
5/10/2020 7:00 AM 0.00 0.0 M M M
5/11/2020 7:00 AM 0.00 0.0 M M M
5/12/2020 7:00 AM 0.16 M M M M
5/13/2020 7:00 AM 0.00 0.0 M M M Dew on ground and weather gauge- trace of water
5/14/2020 7:00 AM 0.00 0.0 M M M
5/15/2020 7:00 AM 0.09 M M M M
5/16/2020 7:00 AM 0.17 M M M M
5/17/2020 7:00 AM 0.00 0.0 M M M
5/18/2020 7:00 AM 0.00 0.0 M M M
5/20/2020 7:00 AM 0.00 0.0 M M M
5/25/2020 7:00 AM 1.01 M M M M
5/26/2020 7:00 AM 0.02 M M M M
5/28/2020 7:00 AM 0.13 M M M M
5/29/2020 7:00 AM T M M M M
5/30/2020 7:00 AM 0.00 0.0 M M M
5/31/2020 7:00 AM 0.04 M M M M
6/1/2020 7:00 AM 0.08 M M M M
6/3/2020 7:00 AM 0.04 M M M M
6/5/2020 7:00 AM 0.04 M M M M
6/6/2020 7:00 AM T M M M M
6/7/2020 7:00 AM 0.06 M M M M
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:00 AM 0.26 M M M M
6/10/2020 7:00 AM 0.02 M M M M
6/11/2020 7:00 AM 0.00 0.0 M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.00 0.0 M M M
6/14/2020 7:00 AM 0.03 M M M M
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M
6/18/2020 7:00 AM 0.00 0.0 M M M
6/19/2020 7:00 AM 0.87 M M M M
6/20/2020 7:00 AM 0.18 M M M M
6/21/2020 7:00 AM 0.01 M M M M
6/22/2020 7:00 AM 0.07 M M M M
6/23/2020 7:00 AM 0.00 0.0 M M M
6/24/2020 7:00 AM 0.00 0.0 M M M
6/25/2020 7:00 AM T M M M M
6/26/2020 7:00 AM 0.00 0.0 M M M
6/27/2020 7:00 AM 0.33 M M M M
6/28/2020 7:00 AM 0.00 0.0 M M M
6/29/2020 7:00 AM 0.08 M M M M
6/30/2020 7:00 AM 0.00 0.0 M M M
7/1/2020 7:00 AM 0.08 M M M M
7/2/2020 7:00 AM 0.00 0.0 M M M
7/3/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:00 AM 0.00 0.0 M M M
7/7/2020 7:00 AM 0.00 0.0 M M M
7/8/2020 7:00 AM T M M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 0.00 0.0 M M M
7/11/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:00 AM 0.00 0.0 M M M
7/14/2020 7:00 AM 0.03 M M M M
7/15/2020 7:00 AM 0.03 M M M M
7/16/2020 7:00 AM 0.00 0.0 M M M
7/17/2020 7:00 AM 0.00 0.0 M M M
7/18/2020 7:00 AM 0.00 0.0 M M M
7/19/2020 7:00 AM 0.02 M M M M
7/20/2020 7:00 AM 0.00 0.0 M M M
7/21/2020 7:00 AM 0.00 0.0 M M M
7/23/2020 7:00 AM 0.04 M M M M
7/24/2020 7:00 AM T M M M M
7/25/2020 7:00 AM 0.13 M M M M
7/26/2020 7:00 AM 0.09 M M M M
7/27/2020 7:00 AM 0.03 M M M M
7/29/2020 7:00 AM 0.18 M M M M
7/30/2020 7:00 AM 0.00 0.0 M M M
7/31/2020 7:00 AM 0.00 0.0 M M M
8/1/2020 7:00 AM 0.04 M M M M
8/2/2020 7:00 AM 0.01 M M M M
8/3/2020 7:00 AM 0.00 0.0 M M M
8/4/2020 7:00 AM T M M M M
8/5/2020 7:00 AM 0.04 M M M M
8/6/2020 7:00 AM 0.06 M M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM T M M M M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M Smoky and a trace of ash
8/16/2020 7:00 AM 0.00 0.0 M M M Smoky and a trace of ash
8/17/2020 7:00 AM 0.00 0.0 M M M Smoky and a trace of ash
8/18/2020 7:00 AM 0.00 0.0 M M M Slight smoke in the air
8/19/2020 7:00 AM 0.00 0.0 M M M Slight smoke in the air
8/20/2020 7:00 AM 0.00 0.0 M M M
8/21/2020 7:00 AM 0.35 M M M M
8/22/2020 7:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M Smokey
8/24/2020 7:00 AM 0.00 0.0 M M M Light ash - Smokey haze
8/25/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 7:00 AM 0.27 M M M M Raining at time of observation.
9/9/2020 7:00 AM 0.86 2.9 M 2.9 M Snowing at time of observation
9/10/2020 7:00 AM 0.15 M M M M Small patches of snow Snow - sleet - rain until 10am
9/11/2020 7:00 AM 0.02 M M M M Measurement may be due to heavy condensation on gauge.
9/19/2020 7:00 AM 0.00 0.0 M M M
9/20/2020 7:00 AM 0.00 0.0 M M M
9/21/2020 7:00 AM T M M M M
9/22/2020 7:00 AM 0.00 0.0 M M M
9/23/2020 7:00 AM 0.00 0.0 M M M
9/24/2020 7:00 AM 0.00 0.0 M M M
9/25/2020 7:00 AM 0.00 0.0 M M M
9/26/2020 7:00 AM 0.00 0.0 M M M
9/27/2020 7:00 AM 0.00 0.0 M M M
9/28/2020 7:00 AM 0.01 M M M M
9/29/2020 7:00 AM 0.00 0.0 M M M
9/30/2020 7:00 AM 0.00 0.0 M M M Smokey, light sh in the air.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/22/2019 11/23/2019 7:00 AM 2 0.14 2.1 M
12/21/2019 12/22/2019 7:00 AM 2 0.00 M M
12/24/2019 12/27/2019 7:00 AM 4 0.00 M M
1/3/2020 1/06/2020 7:00 AM 4 0.00 M M
5/23/2020 5/24/2020 7:00 AM 2 0.00 M M
8/27/2020 9/07/2020 7:00 AM 12 0.28 M M
9/12/2020 9/18/2020 7:00 AM 7 0.00 M M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground