Station Overview Station Location
Station Number TN-UC-5 Latitude 36.15006
Station Name Erwin 1.6 ENE Longitude -82.38364
County Unicoi Elevation (ft) 1915



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 12 2.42 3.05 27 3.05 27 0.00 0 0 12 0 0.0 0 0
Nov 12 3.24 1.06 24 1.06 24 0.00 0 0 5 1 0.0 0 0
Dec 12 3.66 3.80 21 3.80 21 0.00 0 0 14 1 2.7 5 2
Jan 13 3.61 8.46 12 8.46 12 0.00 0 0 10 2 6.9 3 1
Feb 13 3.88 2.12 19 1.07 8 1.05 11 1 7 1 8.8 4 2
March 13 3.98 3.20 20 3.20 15 0.00 5 0 13 1 11.8 9 5
April 13 3.95 2.85 30 0.00 0 2.85 30 1 0 0 0.0 0 0
May 13 4.56 10.24 31 0.78 9 9.46 22 1 2 2 0.0 0 0
June 13 4.74 4.84 18 4.84 18 0.00 0 0 14 1 0.0 0 0
July 13 5.76 9.32 27 9.32 23 0.00 4 0 21 1 0.0 0 0
Aug 13 4.45 0.85 8 0.21 1 0.64 7 1 1 0 0.0 0 0
Sept 13 3.59 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 47.84" 49.79" 237 days 35.79" 158 14.00" 79 days 4 99 days 10 days 30.2" 21 days 10 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
10/1/2012 0.03
10/2/2012 0.47
10/3/2012 0.05
10/4/2012 0.00
10/5/2012 0.00
10/6/2012 0.00
10/7/2012 0.26
10/8/2012 0.14
10/9/2012 0.01
10/10/2012 0.00
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012 0.61
10/16/2012 0.05
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.00
10/20/2012 0.00
10/21/2012 0.00
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.00
10/25/2012 0.00
10/26/2012 0.00
10/27/2012 0.00
10/28/2012 0.05
10/29/2012 0.45
10/30/2012 0.60
10/31/2012 0.33
11/1/2012 0.15
11/2/2012 0.00
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.10
11/8/2012 0.13
11/9/2012 T
11/10/2012 0.00
11/11/2012 0.00
11/12/2012 0.00
11/13/2012 0.65
11/14/2012 0.00
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012 0.00
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 0.03
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012 0.10
12/11/2012 0.53
12/12/2012 T
12/13/2012 0.00
12/14/2012 0.00
12/15/2012 0.00
12/16/2012 0.29
12/17/2012 0.56
12/18/2012 0.00
12/19/2012 0.00
12/20/2012 0.02
12/21/2012 0.17
12/22/2012 0.01
12/23/2012 0.00
12/24/2012 0.40
12/25/2012 0.37
12/26/2012 0.67
12/27/2012 0.32
12/28/2012 0.01
12/29/2012 0.30
12/30/2012 0.05
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.01
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013 0.01
1/12/2013 0.01
1/13/2013 T
1/14/2013 0.62
1/15/2013 1.90
1/16/2013 1.31
1/17/2013 0.56
1/18/2013 1.77
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013 T
1/26/2013 0.39
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013 1.88
2/1/2013 0.10
2/2/2013 T
2/3/2013 M
2/4/2013 **
2/5/2013 **
2/6/2013 **
2/7/2013 **
2/8/2013 **
2/9/2013 **
2/10/2013 **
2/11/2013 **
2/12/2013 **
2/13/2013 **
2/14/2013 1.05
2/15/2013
2/16/2013 0.20
2/17/2013 0.15
2/18/2013
2/19/2013
2/20/2013 0.21
2/21/2013
2/22/2013
2/23/2013 0.15
2/24/2013
2/25/2013
2/26/2013 0.15
2/27/2013
2/28/2013 0.11
3/1/2013 0.10
3/2/2013 0.12
3/3/2013 0.07
3/4/2013 0.03
3/5/2013 0.21
3/6/2013 0.81
3/7/2013 0.10
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013 0.95
3/13/2013
3/14/2013 0.02
3/15/2013 0.00
3/16/2013
3/17/2013 0.05
3/18/2013 T
3/19/2013
3/20/2013
3/21/2013 0.14
3/22/2013
3/23/2013
3/24/2013
3/25/2013 0.50
3/26/2013 0.10
3/27/2013 **
3/28/2013 **
3/29/2013 **
3/30/2013 **
3/31/2013 **
Day of YearDaily PrcpMultiday Prcp
4/1/2013 **
4/2/2013 **
4/3/2013 **
4/4/2013 **
4/5/2013 **
4/6/2013 **
4/7/2013 **
4/8/2013 **
4/9/2013 **
4/10/2013 **
4/11/2013 **
4/12/2013 **
4/13/2013 **
4/14/2013 **
4/15/2013 **
4/16/2013 2.85
4/17/2013 **
4/18/2013 **
4/19/2013 **
4/20/2013 **
4/21/2013 **
4/22/2013 **
4/23/2013 **
4/24/2013 **
4/25/2013 **
4/26/2013 **
4/27/2013 **
4/28/2013 **
4/29/2013 **
4/30/2013 **
5/1/2013 **
5/2/2013 **
5/3/2013 **
5/4/2013 **
5/5/2013 **
5/6/2013 **
5/7/2013 **
5/8/2013 **
5/9/2013 **
5/10/2013 **
5/11/2013 **
5/12/2013 **
5/13/2013 **
5/14/2013 **
5/15/2013 **
5/16/2013 **
5/17/2013 **
5/18/2013 **
5/19/2013 **
5/20/2013 **
5/21/2013 **
5/22/2013 9.46
5/23/2013 0.54
5/24/2013 0.24
5/25/2013 0.00
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 T
5/29/2013 T
5/30/2013 0.00
5/31/2013 0.00
6/1/2013
6/2/2013 0.12
6/3/2013
6/4/2013
6/5/2013
6/6/2013 0.14
6/7/2013 0.11
6/8/2013
6/9/2013 0.15
6/10/2013 0.76
6/11/2013 0.12
6/12/2013 T
6/13/2013 0.00
6/14/2013
6/15/2013 0.50
6/16/2013 0.00
6/17/2013 0.21
6/18/2013 0.24
6/19/2013 0.70
6/20/2013 0.24
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013 1.12
6/26/2013
6/27/2013
6/28/2013 0.21
6/29/2013 0.22
6/30/2013 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.03
7/2/2013 1.01
7/3/2013 0.12
7/4/2013 2.05
7/5/2013 0.43
7/6/2013 0.04
7/7/2013 0.22
7/8/2013 0.80
7/9/2013
7/10/2013 0.00
7/11/2013 0.88
7/12/2013 T
7/13/2013 0.01
7/14/2013 0.10
7/15/2013
7/16/2013
7/17/2013
7/18/2013 0.13
7/19/2013 0.12
7/20/2013 0.04
7/21/2013 1.16
7/22/2013 0.06
7/23/2013 1.55
7/24/2013 0.01
7/25/2013 0.11
7/26/2013 0.20
7/27/2013 0.25
7/28/2013 **
7/29/2013 **
7/30/2013 **
7/31/2013 **
8/1/2013 **
8/2/2013 **
8/3/2013 **
8/4/2013 **
8/5/2013 **
8/6/2013 **
8/7/2013 0.64
8/8/2013 0.21
8/9/2013
8/10/2013
8/11/2013
8/12/2013
8/13/2013
8/14/2013
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013
8/24/2013
8/25/2013
8/26/2013
8/27/2013
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013
9/2/2013
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013
9/10/2013
9/11/2013
9/12/2013
9/13/2013
9/14/2013
9/15/2013
9/16/2013
9/17/2013
9/18/2013
9/19/2013
9/20/2013
9/21/2013
9/22/2013
9/23/2013
9/24/2013
9/25/2013
9/26/2013
9/27/2013
9/28/2013
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:00 AM 0.03 M M M M
10/2/2012 7:00 AM 0.47 M M M M
10/3/2012 7:00 AM 0.05 M M M M
10/4/2012 7:00 AM 0.00 0.0 M M M
10/5/2012 7:00 AM 0.00 0.0 M M M
10/6/2012 7:00 AM 0.00 0.0 M M M
10/7/2012 7:00 AM 0.26 M M M M
10/8/2012 7:00 AM 0.14 M M M M
10/9/2012 7:00 AM 0.01 M M M M
10/10/2012 7:00 AM 0.00 0.0 M M M
10/15/2012 7:00 AM 0.61 M M M M
10/16/2012 7:00 AM 0.05 M M M M
10/17/2012 7:00 AM 0.00 0.0 M M M
10/18/2012 7:00 AM 0.00 0.0 M M M
10/19/2012 7:00 AM 0.00 0.0 M M M
10/20/2012 7:00 AM 0.00 0.0 M M M
10/21/2012 7:00 AM 0.00 0.0 M M M
10/22/2012 7:00 AM 0.00 0.0 M M M
10/23/2012 7:00 AM 0.00 0.0 M M M
10/24/2012 7:00 AM 0.00 0.0 M M M
10/25/2012 7:00 AM 0.00 0.0 M M M
10/26/2012 7:00 AM 0.00 0.0 M M M
10/27/2012 7:00 AM 0.00 0.0 M M M
10/28/2012 7:00 AM 0.05 M M M M
10/29/2012 7:00 AM 0.45 M M M M
10/30/2012 7:00 AM 0.60 T M 0.0 M
10/31/2012 7:00 AM 0.33 T M 0.0 M
11/1/2012 7:00 AM 0.15 T M 0.0 M
11/2/2012 7:00 AM 0.00 0.0 M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/4/2012 7:00 AM 0.00 0.0 M M M
11/5/2012 7:00 AM 0.00 0.0 M M M
11/6/2012 7:00 AM 0.00 0.0 M M M
11/7/2012 7:00 AM 0.10 M M M M
11/8/2012 7:00 AM 0.13 M M M M
11/9/2012 7:00 AM T M M M M
11/10/2012 7:00 AM 0.00 0.0 M M M
11/11/2012 7:00 AM 0.00 0.0 M M M
11/12/2012 7:00 AM 0.00 0.0 M M M
11/13/2012 7:00 AM 0.65 M M M M
11/14/2012 7:00 AM 0.00 0.0 M M M
11/15/2012 7:00 AM 0.00 0.0 M M M
11/16/2012 7:00 AM 0.00 0.0 M M M
11/17/2012 7:00 AM 0.00 0.0 M M M
11/18/2012 7:00 AM 0.00 0.0 M M M
11/19/2012 7:00 AM 0.00 0.0 M M M
11/20/2012 7:00 AM 0.00 0.0 M M M
11/21/2012 7:00 AM 0.00 0.0 M M M
11/22/2012 7:00 AM 0.00 0.0 M M M
11/23/2012 7:00 AM 0.00 0.0 M M M
11/24/2012 7:00 AM 0.03 M M M M
12/10/2012 7:00 AM 0.10 M M M M
12/11/2012 7:00 AM 0.53 M M M M
12/12/2012 7:00 AM T M M M M
12/13/2012 7:00 AM 0.00 0.0 M M M
12/14/2012 7:00 AM 0.00 0.0 M M M
12/15/2012 7:00 AM 0.00 0.0 M M M
12/16/2012 7:00 AM 0.29 M M M M
12/17/2012 7:00 AM 0.56 M M M M
12/18/2012 7:00 AM 0.00 0.0 M M M
12/19/2012 7:00 AM 0.00 0.0 M M M
12/20/2012 7:00 AM 0.02 M M M M
12/21/2012 7:00 AM 0.17 0.7 M 0.5 M Rain ended around 18:00 THU; snow began as flurries around 22:00 THU. As of 06:30 FRI, light snow is falling. The temperature is 31.3F, and winds are gusting to 25 MPH.
12/22/2012 7:00 AM 0.01 0.7 M T M
12/23/2012 7:00 AM 0.00 0.0 M M M
12/24/2012 7:00 AM 0.40 M M M M
12/25/2012 7:00 AM 0.37 M M M M
12/26/2012 7:00 AM 0.67 M M M M
12/27/2012 7:00 AM 0.32 0.2 M M M
12/28/2012 7:00 AM 0.01 0.1 M T M
12/29/2012 7:00 AM 0.30 M M M M
12/30/2012 7:00 AM 0.05 1.0 0.03 0.9 M Snow began in earnest around 5:00 pm. Light to moderate snow showers continued through the early morning. Slick spots are prevalent on secondary roads, while main roads only have isolated icy patches.
1/1/2013 7:00 AM 0.01 T M 0.0 M A light sleet/snow (in the form of graupel) mix fell around 4:30 pm on Monday, giving my location a trace of snowfall for the day. Heavier rains arrived the next day.
1/11/2013 7:00 AM 0.01 M M M M
1/12/2013 7:00 AM 0.01 M M M M
1/13/2013 7:00 AM T M M M M
1/14/2013 7:00 AM 0.62 M M M M
1/15/2013 7:00 AM 1.90 M M M M
1/16/2013 7:00 AM 1.31 M M M M Three-day total stands at 3.83". Moderate rain was falling as of 7am.
1/17/2013 7:00 AM 0.56 M M M M Four-day total stands at 4.39". Light rain was falling as of 7am.
1/18/2013 7:00 AM 1.77 6.5 0.77 5.0 M
1/25/2013 7:00 AM T T M T M Precip was just beginning as SN/IP at observation time.
1/26/2013 7:00 AM 0.39 0.3 M M M Precipitation began around observation time. Between 07:00 and 09:00, SN and IP were observed. After 09:00, IP and ZR were observed. +ZR/IP was observed at times between 12:00 and 14:00. Temperatures remained below freezing until 18:00. The high for the day was observed around 21:00, at 33.8F. By morning, most ice had melted. A .10" glaze accumulated on elevated objects. Grassy surfaces and untreated pavement collected around .25" of snow and sleet, followed by .05" of ice.
1/31/2013 7:00 AM 1.88 0.1 M T M
2/1/2013 7:00 AM 0.10 1.5 M 1.5 M
2/2/2013 7:00 AM T T M M M
2/3/2013 8:00 AM M 5.5 M 5.0 M Will add liquid measurements later today.
2/16/2013 7:00 AM 0.20 M M M M
2/17/2013 7:00 AM 0.15 1.5 M M M
2/20/2013 7:00 AM 0.21 M M M M
2/23/2013 7:00 AM 0.15 M M M M
2/26/2013 7:00 AM 0.15 M M M M
2/28/2013 7:00 AM 0.11 0.3 M T M
3/1/2013 7:00 AM 0.10 0.5 M 0.5 M
3/2/2013 7:00 AM 0.12 0.7 M 0.5 M
3/3/2013 7:00 AM 0.07 2.6 M 2.5 M
3/4/2013 7:00 AM 0.03 0.6 M 1.5 M
3/5/2013 7:00 AM 0.21 M M M M
3/6/2013 7:00 AM 0.81 1.0 M M M
3/7/2013 7:00 AM 0.10 3.0 M M M
3/12/2013 7:00 AM 0.95 M M M M
3/14/2013 7:00 AM 0.02 0.3 M 0.0 M
3/15/2013 7:00 AM 0.00 0.0 M M M
3/17/2013 7:00 AM 0.05 M M M M
3/18/2013 7:00 AM T M M M M
3/21/2013 7:00 AM 0.14 1.1 M 1.0 M
3/25/2013 7:00 AM 0.50 M M M M
3/26/2013 7:00 AM 0.10 2.0 M M M
5/23/2013 7:00 AM 0.54 0.0 0.00 0.0 0.00 First daily observation in over two months! Records prior to this were accurately kept, but not submitted. From here on, expect daily reports from this location.
5/24/2013 7:00 AM 0.24 M M M M
5/25/2013 7:00 AM 0.00 0.0 M M M
5/26/2013 7:00 AM 0.00 0.0 M M M
5/27/2013 7:00 AM 0.00 0.0 M M M
5/28/2013 7:00 AM T M M M M
5/29/2013 7:00 AM T M M M M
5/30/2013 7:00 AM 0.00 0.0 M M M
5/31/2013 7:00 AM 0.00 0.0 M M M
6/2/2013 7:00 AM 0.12 M M M M
6/6/2013 7:00 AM 0.14 M M M M
6/7/2013 7:00 AM 0.11 M M M M
6/9/2013 7:00 AM 0.15 M M M M
6/10/2013 7:00 AM 0.76 M M M M
6/11/2013 7:00 AM 0.12 M M M M
6/12/2013 7:00 AM T M M M M
6/13/2013 7:00 AM 0.00 0.0 M M M
6/15/2013 7:00 AM 0.50 M M M M
6/16/2013 7:00 AM 0.00 0.0 M M M
6/17/2013 7:00 AM 0.21 M M M M
6/18/2013 7:00 AM 0.24 M M M M
6/19/2013 7:00 AM 0.70 M M M M
6/20/2013 7:00 AM 0.24 M M M M
6/25/2013 7:00 AM 1.12 M M M M
6/28/2013 7:00 AM 0.21 M M M M
6/29/2013 7:00 AM 0.22 M M M M
6/30/2013 7:00 AM 0.00 0.0 M M M
7/1/2013 7:00 AM 0.03 M M M M
7/2/2013 7:00 AM 1.01 M M M M
7/3/2013 7:00 AM 0.12 M M M M
7/4/2013 7:00 AM 2.05 M M M M
7/5/2013 7:00 AM 0.43 M M M M
7/6/2013 7:00 AM 0.04 M M M M
7/7/2013 7:00 AM 0.22 M M M M
7/8/2013 7:00 AM 0.80 M M M M
7/10/2013 7:00 AM 0.00 0.0 M M M
7/11/2013 7:00 AM 0.88 M M M M
7/12/2013 7:00 AM T M M M M
7/13/2013 7:00 AM 0.01 M M M M
7/14/2013 7:00 AM 0.10 M M M M
7/18/2013 7:00 AM 0.13 M M M M
7/19/2013 7:00 AM 0.12 M M M M
7/20/2013 7:00 AM 0.04 M M M M
7/21/2013 7:00 AM 1.16 M M M M
7/22/2013 7:00 AM 0.06 M M M M
7/23/2013 7:00 AM 1.55 M M M M Accurate time and report; just now have a chance to upload.
7/24/2013 7:00 AM 0.01 M M M M
7/25/2013 7:00 AM 0.11 M M M M
7/26/2013 7:00 AM 0.20 M M M M
7/27/2013 7:00 AM 0.25 M M M M
8/8/2013 7:00 AM 0.21 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/4/2013 2/14/2013 7:00 AM 11 1.05 M M
3/27/2013 4/16/2013 7:00 AM 21 2.85 0.0 0.00
4/17/2013 5/22/2013 8:00 AM 36 9.46 0.0 0.00
7/28/2013 8/07/2013 7:30 AM 11 0.64 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