Station Overview Station Location
Station Number AZ-PM-325 Latitude 32.43981
Station Name Mount Lemmon 1.9 E Longitude -110.75631
County Pima Elevation (ft) 7985



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 2.52 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 19 2.86 5.40 4 5.40 4 0.00 0 0 4 0 0.0 0 1
Dec 19 4.08 4.81 9 4.62 6 0.19 3 1 6 0 1.5 3 2
Jan 20 3.47 1.35 1 1.35 1 0.00 0 0 1 0 0.0 0 0
Feb 20 3.71 0.61 3 0.61 3 0.00 0 0 3 0 2.5 1 1
March 20 3.84 1.22 3 1.22 3 0.00 0 0 3 0 10.5 1 0
April 20 1.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 0.74 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 20 0.38 0.07 1 0.07 1 0.00 0 0 1 0 0.0 0 0
July 20 4.44 2.06 10 1.37 7 0.69 3 1 6 1 0.0 0 0
Aug 20 6.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 20 3.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 36.86" 15.52" 31 days 14.64" 25 0.88" 6 days 2 24 days 1 days 14.5" 5 days 4 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
10/2/2019
10/3/2019
10/4/2019
10/5/2019
10/6/2019
10/7/2019
10/8/2019
10/9/2019
10/10/2019
10/11/2019
10/12/2019
10/13/2019
10/14/2019
10/15/2019
10/16/2019
10/17/2019
10/18/2019
10/19/2019
10/20/2019
10/21/2019
10/22/2019
10/23/2019
10/24/2019
10/25/2019
10/26/2019
10/27/2019
10/28/2019
10/29/2019
10/30/2019
10/31/2019
11/1/2019
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019 0.17
11/7/2019
11/8/2019
11/9/2019
11/10/2019
11/11/2019
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019 1.00
11/21/2019
11/22/2019 2.67
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019 1.56
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019 0.15
12/9/2019 0.15
12/10/2019 1.56
12/11/2019 0.91
12/12/2019
12/13/2019
12/14/2019
12/15/2019 1.56
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019 0.29
12/25/2019
12/26/2019
12/27/2019 **
12/28/2019 **
12/29/2019 0.19
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
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 1.35
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 0.04
2/5/2020
2/6/2020
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020 0.45
2/12/2020 0.12
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 0.10
3/9/2020
3/10/2020
3/11/2020 0.50
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020 0.62
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
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020 0.07
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020
6/28/2020
6/29/2020
6/30/2020
Day of YearDaily PrcpMultiday Prcp
7/1/2020
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020 0.12
7/13/2020 0.02
7/14/2020
7/15/2020
7/16/2020 0.10
7/17/2020 0.08
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020 **
7/23/2020 **
7/24/2020 0.69
7/25/2020 0.42
7/26/2020 T
7/27/2020
7/28/2020 0.63
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020
8/24/2020
8/25/2020
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
9/8/2020
9/9/2020
9/10/2020
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/6/2019 8:00 AM 0.17 T M T M intermittent showers. Trace amounts of large crystal snow
11/20/2019 8:00 AM 1.00 M M M M rain off and on most of the day and all night
11/22/2019 8:00 AM 2.67 M M 4.0 M was gone Wednesday and Thursday. Only recorded the rain and snow on Friday at 8. recorded snow fall on the ground and melted in the gauge. mixed with previous rain.
11/27/2019 8:00 AM 1.56 M M M M from 27th to 30th I collected 1.56 inches in the collector. I had been on vacation.
12/8/2019 8:00 AM 0.15 M M M M snow and rain
12/9/2019 8:00 AM 0.15 M M M M snow and rain
12/10/2019 8:00 AM 1.56 0.5 M 0.5 M This is recorded in error. please check previous date
12/11/2019 8:00 AM 0.91 0.5 M M M showers and snow continuing from previous day
12/15/2019 8:00 AM 1.56 0.5 M 0.5 M rain mixed with snow from 3 am continuing past 8 am.
12/24/2019 8:00 AM 0.29 M M M M Snow and rain starting at about 3 am
1/22/2020 8:00 AM 1.35 M M M M Light rain mixed with snow for morning hours. ( slushy rain) Then light rain ffor rest of the day.
2/4/2020 8:00 AM 0.04 M M 0.4 M extremely windy. not sure when it snowed, but can narrow it down to the evening
2/11/2020 8:00 AM 0.45 2.5 M M M
2/12/2020 8:00 AM 0.12 M M M M
3/8/2020 8:00 AM 0.10 M M M M
3/11/2020 8:00 AM 0.50 M M M M
3/19/2020 8:00 AM 0.62 10.5 M M M Heavy sticky flakes coming from the southwest
6/6/2020 8:00 AM 0.07 M M M M
7/12/2020 8:00 AM 0.12 M M M M
7/13/2020 8:00 AM 0.02 M M M M
7/16/2020 8:00 AM 0.10 M M M M
7/17/2020 8:00 AM 0.08 M M M M
7/25/2020 8:00 AM 0.42 M M M M Rained about .01 inches in the early afternoon then around 9pm it started again for the rest of the night.
7/26/2020 8:00 AM T M M M M misting all day
7/28/2020 8:00 AM 0.63 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/27/2019 12/29/2019 8:00 AM 3 0.19 15.6 M Alternating wet heavy snow with dry flurries. Horrendous winds for two days straight.
7/22/2020 7/24/2020 8:00 AM 3 0.69 M M MOs of the rain came the last evening between 6 pm and 1 am. Showers were off and on for the days.



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