Station Overview Station Location
Station Number AZ-CN-66 Latitude 35.20437
Station Name Flagstaff 2.0 ENE Longitude -111.61868
County Coconino Elevation (ft) 6871



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 1.53 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
Nov 19 1.54 5.29 30 5.29 30 0.00 0 0 8 0 19.0 4 4
Dec 19 1.77 2.06 27 2.06 27 0.00 0 0 7 0 7.5 5 15
Jan 20 1.94 0.26 31 0.26 31 0.00 0 0 3 0 3.0 1 20
Feb 20 2.01 0.57 29 0.57 29 0.00 0 0 2 1 1.5 1 1
March 20 1.94 2.97 31 2.97 31 0.00 0 0 10 0 6.5 1 3
April 20 1.19 0.75 30 0.75 30 0.00 0 0 4 0 0.0 0 0
May 20 0.57 0.48 31 0.48 31 0.00 0 0 1 0 0.0 0 0
June 20 0.38 0.33 30 0.33 30 0.00 0 0 1 0 0.0 0 0
July 20 2.36 1.99 29 1.99 29 0.00 0 0 9 0 0.0 0 0
Aug 20 3.13 1.91 31 1.91 31 0.00 0 0 8 0 0.0 0 0
Sept 20 2.24 0.00 30 0.00 30 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 20.60" 16.61" 359 days 16.61" 359 0.00" 0 days 0 53 days 1 days 37.5" 12 days 43 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 0.00
10/2/2019 0.00
10/3/2019 0.00
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 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019
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 0.00
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.00
10/28/2019 0.00
10/29/2019 0.00
10/30/2019 0.00
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 0.25
11/7/2019 0.03
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.00
11/12/2019 0.00
11/13/2019 0.00
11/14/2019 0.00
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 0.56
11/21/2019 0.78
11/22/2019 0.27
11/23/2019 0.00
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 0.00
11/27/2019 0.00
11/28/2019 0.07
11/29/2019 2.96
11/30/2019 0.37
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.20
12/5/2019 0.41
12/6/2019 0.00
12/7/2019 0.00
12/8/2019 0.17
12/9/2019 0.05
12/10/2019 0.00
12/11/2019 0.00
12/12/2019 0.00
12/13/2019 0.00
12/14/2019 0.00
12/15/2019 0.00
12/16/2019 0.00
12/17/2019 0.00
12/18/2019 0.00
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.33
12/25/2019 0.79
12/26/2019 M
12/27/2019 M
12/28/2019 0.11
12/29/2019 M
12/30/2019 M
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 0.00
1/4/2020 0.00
1/5/2020 0.00
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.00
1/9/2020 0.00
1/10/2020 0.15
1/11/2020 0.00
1/12/2020 0.00
1/13/2020 0.00
1/14/2020 0.00
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.00
1/19/2020 0.00
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.01
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 0.00
1/26/2020 0.00
1/27/2020 0.10
1/28/2020 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.00
2/4/2020 0.00
2/5/2020 0.00
2/6/2020 0.00
2/7/2020 0.00
2/8/2020 0.00
2/9/2020 0.00
2/10/2020 T
2/11/2020 0.00
2/12/2020 0.00
2/13/2020 0.00
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 0.00
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.11
2/23/2020 0.46
2/24/2020 0.00
2/25/2020 0.00
2/26/2020 0.00
2/27/2020 0.00
2/28/2020 0.00
2/29/2020 0.00
3/1/2020 0.00
3/2/2020 0.00
3/3/2020 0.00
3/4/2020 0.00
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 0.00
3/8/2020 0.00
3/9/2020 0.00
3/10/2020 0.15
3/11/2020 0.70
3/12/2020 0.20
3/13/2020 0.45
3/14/2020 0.35
3/15/2020 0.00
3/16/2020 0.00
3/17/2020 0.00
3/18/2020 0.08
3/19/2020 0.62
3/20/2020 0.18
3/21/2020 0.00
3/22/2020 0.00
3/23/2020 0.00
3/24/2020 0.14
3/25/2020 0.00
3/26/2020 0.00
3/27/2020 0.00
3/28/2020 0.10
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.00
4/3/2020 0.00
4/4/2020 0.00
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.13
4/9/2020 0.04
4/10/2020 0.00
4/11/2020 0.00
4/12/2020 0.00
4/13/2020 0.51
4/14/2020 0.00
4/15/2020 0.00
4/16/2020 0.00
4/17/2020 0.00
4/18/2020 0.00
4/19/2020 0.07
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.00
4/23/2020 0.00
4/24/2020 0.00
4/25/2020 0.00
4/26/2020 0.00
4/27/2020 0.00
4/28/2020 0.00
4/29/2020 0.00
4/30/2020 0.00
5/1/2020 0.00
5/2/2020 0.00
5/3/2020 0.00
5/4/2020 0.00
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 0.00
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.48
5/12/2020 0.00
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.00
5/16/2020 0.00
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 0.00
5/25/2020 0.00
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.00
5/29/2020 0.00
5/30/2020 0.00
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.00
6/3/2020 0.00
6/4/2020 0.00
6/5/2020 0.00
6/6/2020 0.00
6/7/2020 0.00
6/8/2020 0.00
6/9/2020 0.00
6/10/2020 0.00
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.00
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.00
6/20/2020 0.00
6/21/2020 0.00
6/22/2020 0.33
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.00
6/26/2020 0.00
6/27/2020 0.00
6/28/2020 0.00
6/29/2020 0.00
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.00
7/2/2020 0.00
7/3/2020 0.44
7/4/2020 0.01
7/5/2020 0.00
7/6/2020 0.00
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 M
7/12/2020 M
7/13/2020 0.00
7/14/2020 0.00
7/15/2020 0.00
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 0.20
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 0.03
7/22/2020 0.33
7/23/2020 0.01
7/24/2020 0.45
7/25/2020 0.50
7/26/2020 0.00
7/27/2020 0.02
7/28/2020 0.00
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 0.00
8/1/2020 0.00
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 0.00
8/5/2020 0.00
8/6/2020 0.00
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
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 0.07
8/22/2020 0.21
8/23/2020 1.02
8/24/2020 0.07
8/25/2020 0.00
8/26/2020 0.06
8/27/2020 0.29
8/28/2020 0.00
8/29/2020 0.15
8/30/2020 0.04
8/31/2020 0.00
9/1/2020 0.00
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.00
9/9/2020 0.00
9/10/2020 0.00
9/11/2020 0.00
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
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 0.00
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 0.00 0.0 0.00 0.0 0.00
10/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/7/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/8/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/14/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/23/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/28/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/29/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/30/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/31/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/1/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/5/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/6/2019 7:00 AM 0.25 0.0 0.00 0.0 0.00 drizzle combined with pea sized hail earlier this AM
11/7/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
11/8/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/14/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/17/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/20/2019 7:00 AM 0.56 0.0 0.00 0.0 0.00 Steady showers continue this morning.
11/21/2019 7:00 AM 0.78 2.0 0.58 2.0 0.58
11/22/2019 7:00 AM 0.27 1.0 0.20 1.0 0.20
11/23/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/26/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/28/2019 7:00 AM 0.07 0.0 0.00 0.0 0.00
11/29/2019 7:00 AM 2.96 8.0 1.11 8.0 1.11 From late yesterday through early AM shortly after midnight this was a rain event. Thereafter snow began continuing through this observation. Additional accumulation of 3-8 inches has been forecast.
11/30/2019 7:00 AM 0.37 8.0 0.37 16.0 1.63
12/1/2019 7:00 AM 0.00 0.0 0.00 10.0 1.55
12/2/2019 7:00 AM 0.00 0.0 0.00 9.0 1.66
12/3/2019 7:00 AM 0.00 0.0 0.00 9.0 1.92
12/4/2019 7:00 AM 0.20 0.0 0.00 6.8 2.68 Rain added to the density and amount of the melted snow value.
12/5/2019 7:00 AM 0.41 0.0 0.00 4.5 1.74
12/6/2019 7:00 AM 0.00 0.0 0.00 3.0 1.59
12/7/2019 7:00 AM 0.00 0.0 0.00 3.0 1.20
12/8/2019 7:00 AM 0.17 0.0 0.00 0.0 0.00 Warming rain melted any existing snow on the ground over night.
12/9/2019 7:00 AM 0.05 0.0 0.00 0.0 0.00
12/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/17/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/24/2019 7:00 AM 0.33 1.5 0.33 1.5 0.33 Snow continued at time of observation.
12/25/2019 7:00 AM 0.79 1.0 0.45 2.0 0.79 Snow showers continue at time of observation. Snow melted into the rain gauge so the total snow on the ground is what I actually measured. Additional snow fall is predicted over the next few days. Merry Christmas!!!
12/26/2019 7:00 AM M 1.0 0.04 3.0 0.57 A thin layer of ice was under the snowfall. {EDIT: Observer reported 0.57 for new precip. This is high compared to surrounding reports and it appears total snow melted core was entered by mistake. Changed precip report of 0.57 to NA until observer can be contacted to verify. Submission Time Before EDIT: 12/27/2019 8:44 AM CoCoSTAFF DNT}
12/27/2019 7:00 AM M 3.0 0.24 5.0 0.79 {EDIT: Observer reported 0.79 for new precip. This is high compared to surrounding reports and it appears total snow melted core was entered by mistake. Changed precip report of 0.79 to NA until observer can be contacted to verify. Submission Time Before EDIT: 12/27/2019 8:42 AM CoCoSTAFF DNT}
12/28/2019 7:00 AM 0.11 1.0 0.11 6.0 0.63 Snow flurries continue today.
12/29/2019 7:00 AM M 0.0 0.00 5.0 0.63 {EDIT: Observer reported 0.63 for new precip. QPE data and surrounding reports of Trace indicate this could be a typo. It appears total snow melted core was entered by mistake. Changed report of 0.63 to NA until observer can be contacted to verify. Submission Time Before EDIT: 12/30/2019 7:30 AM CoCoSTAFF DNT}
12/30/2019 7:00 AM M 0.0 0.00 4.0 0.64 {EDIT: Observer reported 0.64 for new precip. QPE data and surrounding reports of 0.00's indicate this could be a typo. It appears total snow melted core was entered by mistake. Changed report of 0.64 to NA until observer can be contacted to verify. Submission Time Before EDIT: 12/30/2019 7:27 AM CoCoSTAFF DNT}
12/31/2019 7:00 AM 0.00 0.0 0.00 4.0 0.68
1/1/2020 7:00 AM 0.00 0.0 0.00 4.0 0.65
1/2/2020 7:00 AM 0.00 0.0 0.00 4.0 0.72 Small layer of ice under the existing snow accumulation. Less than 1/4". I was able to scrape up with the existing snow total resulting in a bit higher total melted value.
1/3/2020 7:00 AM 0.00 0.0 0.00 4.0 0.72
1/4/2020 7:00 AM 0.00 0.0 0.00 3.5 0.65
1/5/2020 7:00 AM 0.00 0.0 0.00 2.5 0.52 Some significant melting yesterday as the daily temperatures increase into the upper 40's and low 50's today.
1/6/2020 7:00 AM 0.00 0.0 0.00 2.5 0.54
1/7/2020 7:00 AM 0.00 0.0 0.00 2.0 0.51
1/8/2020 7:00 AM 0.00 0.0 0.00 2.0 0.48
1/9/2020 7:00 AM 0.00 0.0 0.00 2.0 0.46
1/10/2020 7:00 AM 0.15 3.0 0.15 4.5 0.62 Snow fall ended before midnight.
1/11/2020 7:00 AM 0.00 0.0 0.00 4.0 0.71
1/12/2020 7:00 AM 0.00 0.0 0.00 3.0 0.65
1/13/2020 7:00 AM 0.00 0.0 0.00 3.0 0.60
1/14/2020 7:00 AM 0.00 0.0 0.00 2.5 0.41
1/15/2020 7:00 AM 0.00 0.0 0.00 2.0 0.32
1/16/2020 7:00 AM 0.00 0.0 0.00 2.0 0.20
1/17/2020 7:00 AM 0.00 0.0 0.00 2.0 0.77 There was an ice layer underneath the snow pack.
1/18/2020 7:00 AM 0.00 0.0 0.00 1.5 0.40
1/19/2020 7:00 AM 0.00 0.0 0.00 1.0 0.15
1/20/2020 7:00 AM 0.00 0.0 0.00 1.0 0.12
1/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/22/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00
1/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/27/2020 7:00 AM 0.10 T T T T A trace of snow mixed with very light rain overnight.
1/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/10/2020 7:00 AM T T T T T There was only a trace of precipitation mainly a few flakes of snow still on the ground.
2/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/22/2020 9:00 AM 0.11 0.0 0.00 0.0 0.00 Steady rain continues as of this reading.
2/23/2020 7:00 AM 0.46 1.5 0.20 1.5 0.20
2/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/10/2020 9:10 AM 0.15 0.0 0.00 0.0 0.00
3/11/2020 9:15 AM 0.70 0.0 0.00 0.0 0.00 This record is a 24 hour total. Rain showers continue.
3/12/2020 10:00 AM 0.20 0.0 0.00 0.0 0.00 This measurement is a 24 hour total.
3/13/2020 8:45 AM 0.45 0.0 0.00 0.0 0.00 Light snow flurries began this morning. The local forecast calls for 1-3 inches of new snow today.
3/14/2020 10:15 AM 0.35 0.0 0.00 0.0 0.00 Several snow showers late yesterday and into evening. The ground was too warm to allow me to measure any total snow accumulation. Reports in some areas reported a few inches to several feet at the ski resort.
3/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/18/2020 10:00 AM 0.08 0.0 0.00 0.0 0.00 Rain overnight. Light snow showers as of this observation.
3/19/2020 8:30 AM 0.62 6.5 0.62 6.5 0.62 This is a 24 hour observation as snow fell mostly late yesterday and over night here in Flagstaff. The local airport reported 12 inches of new snow.
3/20/2020 10:45 AM 0.18 0.0 0.00 3.5 0.66 This measurement resulted in yesterday PM snow flurries that melted as it hit the ground and inside my rain gauge.
3/21/2020 2:30 PM 0.00 0.0 0.00 1.0 0.64
3/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/24/2020 11:45 AM 0.14 0.0 0.00 0.0 0.00 Most of this accumulation occurred late yesterday afternoon.
3/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2020 7:00 AM 0.10 T T T T Brief snow showers occurred yesterday afternoon. Since these show showers were intermittent there was too little accumulation to measure with a ruler.
3/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/8/2020 10:15 PM 0.13 0.0 0.00 0.0 0.00
4/9/2020 1:55 PM 0.04 0.0 0.00 0.0 0.00
4/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/13/2020 7:00 AM 0.51 0.0 0.00 0.0 0.00 The report is a total for the past 24 hours with most of the accumulation occurring during the over night hours.
4/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/19/2020 7:00 AM 0.07 0.0 0.00 0.0 0.00 A stray shower or two overnight.
4/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/11/2020 7:00 AM 0.48 0.0 0.00 0.0 0.00 This record is a 24 hour total with most accumulation occurred over night.
5/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/22/2020 12:30 PM 0.33 0.0 0.00 0.0 0.00
6/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/3/2020 3:40 PM 0.44 0.0 0.00 0.0 0.00 A thunderstorm began at about 2:00 pm dropping rain and pea sized hail.
7/4/2020 11:20 AM 0.01 0.0 0.00 0.0 0.00
7/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/11/2020 3:40 PM M 0.0 0.00 0.0 0.00 {EDIT: Observer reported 0.07 for new precip. This is standing out as an error as this is not a 24 hour report. Changed report of 0.07 to NA until observer can be contacted to verify and a multi-day report can be entered. Submission Time Before EDIT: 7/11/2020 3:42 PM CoCoSTAFF DNT}
7/12/2020 7:00 AM M 0.0 0.00 0.0 0.00 {EDIT: Observer reported 0.00 for new precip. This is standing out as an error as this is not a 24 hour report. Changed report of 0.00 to NA until observer can be contacted to verify and a multi-day report can be entered. Submission Time Before EDIT: 7/13/2020 4;09 PM CoCoSTAFF DNT}
7/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/18/2020 9:00 AM 0.20 0.0 0.00 0.0 0.00 The report this morning is a 24 hour total. Most of the precipitation occurred yesterday during a mid afternoon thunderstorm.
7/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/21/2020 9:00 AM 0.03 0.0 0.00 0.0 0.00 Very light shower this morning with a 50% probability for additional showers today.
7/22/2020 12:30 AM 0.33 0.0 0.00 0.0 0.00 This reading is from a short duration thunderstorm late morning.
7/23/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00
7/24/2020 9:00 AM 0.45 0.0 0.00 0.0 0.00 Amount of rain is a 24 hour total.
7/25/2020 7:00 AM 0.50 0.0 0.00 0.0 0.00 This measurement is a 24 hour total.
7/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/27/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00
7/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/29/2020 7:00 AM 0.00 0.0 0.00 M 0.00
7/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/21/2020 7:00 AM 0.07 0.0 0.00 0.0 0.00 This is a 24 hour total reading. Most of this precipitation occurred yesterday PM.
8/22/2020 7:00 AM 0.21 0.0 0.00 0.0 0.00
8/23/2020 7:00 AM 1.02 0.0 0.00 0.0 0.00
8/24/2020 7:00 AM 0.07 0.0 0.00 0.0 0.00 This reading is a 24 hour total.
8/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/26/2020 7:00 AM 0.06 0.0 0.00 0.0 0.00
8/27/2020 3:30 AM 0.29 0.0 0.00 0.0 0.00 A single mid afternoon thunderstorm dropped this total.
8/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/29/2020 7:00 AM 0.15 0.0 0.00 0.0 0.00
8/30/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00
8/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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