Station Overview Station Location
Station Number CO-SJ-4 Latitude 37.808256
Station Name Silverton 0.3 WSW Longitude -107.669257
County San Juan Elevation (ft) 9289



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 16 2.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 1.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 1.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 1.73 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 1.98 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 2.30 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 1.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 1.70 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 17 1.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 17 2.58 3.27 15 2.53 11 0.74 4 2 9 2 0.0 0 0
Aug 17 3.34 1.93 31 1.93 31 0.00 0 0 15 5 0.0 0 0
Sept 17 3.34 3.22 30 3.22 30 0.00 0 0 18 3 0.0 0 0
Water Year Totals: 26.01" 8.42" 76 days 7.68" 72 0.74" 4 days 2 42 days 10 days 0.0" 0 days 0 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
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017 0.07
7/18/2017 0.50
7/19/2017 0.74
7/20/2017 0.06
7/21/2017 0.29
7/22/2017 0.22
7/23/2017 0.02
7/24/2017 T
7/25/2017 **
7/26/2017 0.62
7/27/2017 T
7/28/2017 0.13
7/29/2017 0.50
7/30/2017 **
7/31/2017 0.12
8/1/2017 0.04
8/2/2017 T
8/3/2017 0.02
8/4/2017 0.22
8/5/2017 0.44
8/6/2017 0.14
8/7/2017 0.01
8/8/2017 0.20
8/9/2017 0.10
8/10/2017 T
8/11/2017 0.00
8/12/2017 0.08
8/13/2017 T
8/14/2017 T
8/15/2017 0.02
8/16/2017 0.00
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017 0.03
8/23/2017 0.51
8/24/2017 0.01
8/25/2017 0.10
8/26/2017 0.01
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.00
8/30/2017 0.00
8/31/2017 T
9/1/2017 0.15
9/2/2017 0.03
9/3/2017 0.08
9/4/2017 0.00
9/5/2017 0.00
9/6/2017 0.00
9/7/2017 0.02
9/8/2017 0.01
9/9/2017 T
9/10/2017 T
9/11/2017 0.04
9/12/2017 0.46
9/13/2017 0.04
9/14/2017 0.00
9/15/2017 0.82
9/16/2017 0.03
9/17/2017 0.01
9/18/2017 0.28
9/19/2017 0.00
9/20/2017 0.00
9/21/2017 0.00
9/22/2017 0.02
9/23/2017 0.23
9/24/2017 0.45
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 T
9/28/2017 0.40
9/29/2017 0.04
9/30/2017 0.11



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
7/17/2017 7:00 AM 0.07 M M M M One late afternoon shower.
7/18/2017 7:00 AM 0.50 M M M M Brief, light, small graupel
7/19/2017 7:00 AM 0.74 M M M M
7/20/2017 7:15 AM 0.06 M M M M
7/21/2017 7:00 AM 0.29 M M M M Several thunder showers, light to moderate rain
7/22/2017 5:40 AM 0.22 M M M M
7/23/2017 7:00 AM 0.02 M M M M
7/24/2017 7:00 AM T M M M M
7/27/2017 7:00 AM T M M M M
7/28/2017 7:00 AM 0.13 M M M M 51F, 95% humid
7/29/2017 7:00 AM 0.50 M M M M -RA. 52F, 99% humid
8/1/2017 6:00 AM 0.04 M M M M 46F 95% humid
8/2/2017 7:00 AM T M M M M Temp 41, Humidity 93%
8/3/2017 7:00 AM 0.02 M M M M
8/4/2017 7:00 AM 0.22 M M M M +RA & Grapple Current temp 41, humidity 92%
8/5/2017 7:00 AM 0.44 M M M M current temp 47 humidity 99%
8/6/2017 7:00 AM 0.14 M M M M
8/7/2017 7:10 AM 0.01 M M M M Current temp 44, humidity 95%
8/8/2017 7:00 AM 0.20 M M M M Several brief heavy showers Current temp 42, humidity 99%
8/9/2017 6:45 AM 0.10 M M M M Current temp 43, humidity 98%
8/10/2017 7:10 AM T M M M M
8/11/2017 7:10 AM 0.00 0.0 M M M Current temp 43 Humidity 88%
8/12/2017 7:00 AM 0.08 M M M M Current Temp 38 Humidity 94%
8/13/2017 8:00 AM T M M M M Current temp 48, humidity 89%
8/14/2017 7:00 AM T M M M M Current Temp 40 Humidity 90%
8/15/2017 7:30 AM 0.02 M M M M Current Temp 41 Humidity 89%
8/16/2017 7:00 AM 0.00 0.0 M M M Current Temp 37, Humidity 83%
8/17/2017 7:00 AM 0.00 0.0 M M M Current Temp 33, humidity 83%
8/18/2017 7:00 AM 0.00 0.0 M M M Current temp 34, humidity 83%
8/19/2017 6:00 AM 0.00 0.0 M M M Current temp 39, humidity 81%
8/20/2017 7:00 AM 0.00 0.0 M M M Current temp 36, Humidity 82%
8/21/2017 7:00 AM 0.00 0.0 M M M Current temp 42, humidity 84%
8/22/2017 7:00 AM 0.03 M M M M Current temp 44, humidity 84%
8/23/2017 7:00 AM 0.51 M M M M Current temp 37, humidity 98%
8/24/2017 7:00 AM 0.01 M M M M Current temp 46, humidity 89%
8/25/2017 7:00 AM 0.10 M M M M Current temp 36 humidity 93%
8/26/2017 8:30 AM 0.01 M M M M Lo Temp 40, current 43, humidity 90%
8/27/2017 8:00 AM 0.00 0.0 M M M Low temp 33, current 39, humidity 86%
8/28/2017 7:00 AM 0.00 0.0 M M M Current temp 38, humidity 82%
8/29/2017 6:45 AM 0.00 0.0 M M M Current temp 38, humidity 80%
8/30/2017 6:30 AM 0.00 0.0 M M M Current temp 39, humidity 79%
8/31/2017 7:15 AM T M M M M Current temp 42, humidity 82%
9/1/2017 7:00 AM 0.15 M M M M Heavy graupel 15 minutes. Current temp 42, humidity 92%
9/2/2017 7:00 AM 0.03 M M M M Current temp 38, humidity 89%
9/3/2017 7:00 AM 0.08 M M M M Current temp 38, humidity 91%
9/4/2017 6:40 AM 0.00 0.0 M M M Current temp 36, humidity 83%
9/5/2017 6:40 AM 0.00 0.0 M M M Current temp 40, humidity 80%
9/6/2017 7:00 AM 0.00 0.0 M M M Current temp 34, humidity 84%
9/7/2017 7:15 AM 0.02 M M M M Current temp 39, humidity 87%
9/8/2017 7:00 AM 0.01 M M M M Current temp 35, humidity 85%
9/9/2017 7:15 AM T M M M M Current temp 41, humidity 84%
9/10/2017 7:00 AM T M M M M Current temp 40, humidity 86%
9/11/2017 7:00 AM 0.04 M M M M 5pm TRW, FRQ LTGCG Current temp 37, humidity 92%
9/12/2017 7:00 AM 0.46 M M M M Current - fog temp 36, humidity 99%
9/13/2017 7:00 AM 0.04 M M M M Current temp 37, humidity 92%
9/14/2017 7:00 AM 0.00 0.0 M M M Current temp 38, humidity 87%
9/15/2017 7:00 AM 0.82 M M M M Several TRW+ btwn 4pm & 10pm. Current temp 40, humidity 88%. Sno on peaks above 12,000'
9/16/2017 6:30 AM 0.03 M M M M Current temp 37, humidity 89%
9/17/2017 7:00 AM 0.01 M M M M Current temp 32, humidity 88%
9/18/2017 7:00 AM 0.28 M M M M current temp 34, humidity 97%
9/19/2017 6:30 AM 0.00 0.0 M M M Current temp 39, humidity 54%
9/20/2017 7:00 AM 0.00 0.0 M M M Current temp 33, humidity 75%
9/21/2017 7:00 AM 0.00 0.0 M M M Current temp 39, humidity 67%
9/22/2017 7:00 AM 0.02 M M M M Current temp 46, humidity 72%, wind 230@ 10G20mph
9/23/2017 6:30 AM 0.23 M M M M Current temp 46, humidity 69%
9/24/2017 4:30 AM 0.45 M M M M Current temp 31, humidity 94%, thick fog
9/25/2017 7:00 AM 0.00 0.0 M M M Current temp 19, humidity 82%
9/26/2017 7:00 AM 0.00 0.0 M M M current temp 22, humidity 79%
9/27/2017 7:00 AM T M M M M very light, very brief shower at 4pm current temp 28, humidity 84%
9/28/2017 7:00 AM 0.40 M M M M Current temp 33, humidity 96%, ceiling 200'
9/29/2017 6:35 AM 0.04 M M M M current temp 35, humidity 95%, ceiling ~300 broken.
9/30/2017 7:00 AM 0.11 M M M M Curren temp 35, humidity 97%, ceiling ~200 overcast



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/25/2017 7/26/2017 6:30 AM 2 0.62 M M 48 hour report. Showers on both days.
7/30/2017 7/31/2017 7:00 AM 2 0.12 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