Station Overview Station Location
Station Number TN-UC-4 Latitude 36.067043
Station Name Erwin 8.6 SW Longitude -82.532166
County Unicoi Elevation (ft) 2270



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 2.59 5.10 31 5.10 31 0.00 0 0 12 2 12.0 2 2
Nov 12 3.41 1.81 30 1.81 30 0.00 0 0 6 3 0.0 0 1
Dec 12 3.69 4.40 28 4.40 28 0.00 0 0 13 4 1.9 3 4
Jan 13 3.76 10.17 24 10.17 24 0.00 0 0 11 3 9.1 2 6
Feb 13 4.06 3.61 28 3.61 28 0.00 0 0 18 3 15.2 6 3
March 13 4.14 4.56 21 4.56 21 0.00 0 0 12 3 19.2 8 4
April 13 4.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 13 5.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 13 4.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 13 6.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 13 4.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 13 3.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 50.16" 29.65" 162 days 29.65" 162 0.00" 0 days 0 72 days 18 days 57.4" 21 days 20 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 0.06
10/2/2012 1.11
10/3/2012 0.09
10/4/2012 0.00
10/5/2012 0.00
10/6/2012 0.00
10/7/2012 0.36
10/8/2012 0.19
10/9/2012 0.07
10/10/2012 0.00
10/11/2012 T
10/12/2012 0.00
10/13/2012 0.00
10/14/2012 0.00
10/15/2012 0.75
10/16/2012 0.18
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 T
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 0.06
10/29/2012 0.58
10/30/2012 1.32
10/31/2012 0.33
11/1/2012 0.88
11/2/2012 0.00
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 T
11/7/2012 0.16
11/8/2012 0.10
11/9/2012 0.00
11/10/2012 0.00
11/11/2012 0.00
11/12/2012 T
11/13/2012 0.42
11/14/2012 0.00
11/15/2012 T
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 0.00
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 0.19
11/28/2012 0.06
11/29/2012 0.00
11/30/2012 0.00
12/1/2012 0.00
12/2/2012 0.00
12/3/2012
12/4/2012 0.00
12/5/2012 0.06
12/6/2012 0.09
12/7/2012 0.03
12/8/2012 0.00
12/9/2012 0.00
12/10/2012 T
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 0.39
12/17/2012 0.66
12/18/2012 0.00
12/19/2012 0.00
12/20/2012 0.00
12/21/2012 0.02
12/22/2012 T
12/23/2012
12/24/2012 0.42
12/25/2012 0.58
12/26/2012 0.39
12/27/2012 0.42
12/28/2012 T
12/29/2012 0.71
12/30/2012 0.10
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.10
1/2/2013 0.61
1/3/2013 T
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.08
1/7/2013 T
1/8/2013 0.00
1/9/2013 0.00
1/10/2013 0.02
1/11/2013 0.00
1/12/2013 T
1/13/2013
1/14/2013 0.76
1/15/2013 2.69
1/16/2013 1.33
1/17/2013 0.00
1/18/2013 1.71
1/19/2013 0.00
1/20/2013 0.00
1/21/2013 0.00
1/22/2013 0.00
1/23/2013
1/24/2013
1/25/2013
1/26/2013 0.62
1/27/2013
1/28/2013
1/29/2013
1/30/2013 0.14
1/31/2013 2.11
2/1/2013 0.18
2/2/2013 0.03
2/3/2013 0.41
2/4/2013 0.18
2/5/2013 T
2/6/2013 0.00
2/7/2013 0.00
2/8/2013 0.23
2/9/2013 0.17
2/10/2013 0.00
2/11/2013 0.52
2/12/2013 T
2/13/2013 0.08
2/14/2013 0.09
2/15/2013 0.00
2/16/2013 0.25
2/17/2013 0.16
2/18/2013 0.00
2/19/2013 0.09
2/20/2013 0.11
2/21/2013 0.00
2/22/2013 0.64
2/23/2013 0.11
2/24/2013 T
2/25/2013 0.00
2/26/2013 0.20
2/27/2013 0.14
2/28/2013 0.02
3/1/2013 0.06
3/2/2013 0.15
3/3/2013 0.07
3/4/2013 T
3/5/2013 0.19
3/6/2013 1.41
3/7/2013 0.14
3/8/2013 0.00
3/9/2013 0.00
3/10/2013 0.00
3/11/2013
3/12/2013 1.05
3/13/2013 T
3/14/2013 0.07
3/15/2013 0.00
3/16/2013 T
3/17/2013 0.00
3/18/2013
3/19/2013 0.72
3/20/2013 0.00
3/21/2013 0.16
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013 0.42
3/27/2013 0.12
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
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
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013
6/15/2013
6/16/2013
6/17/2013
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013
7/15/2013
7/16/2013
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013
7/27/2013
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
8/8/2013
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 0.06 M M M M
10/2/2012 7:00 AM 1.11 M M M M
10/3/2012 7:00 AM 0.09 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 0.36 M M M M
10/8/2012 7:00 AM 0.19 M M M M
10/9/2012 7:00 AM 0.07 M M M M
10/10/2012 7:00 AM 0.00 0.0 M M M
10/11/2012 7:00 AM T M M M M
10/12/2012 7:00 AM 0.00 0.0 M M M
10/13/2012 7:00 AM 0.00 0.0 M M M
10/14/2012 7:00 AM 0.00 0.0 M M M
10/15/2012 7:00 AM 0.75 M M M M
10/16/2012 7:00 AM 0.18 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 T M 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 0.06 M M M M
10/29/2012 7:00 AM 0.58 T T T T
10/30/2012 7:00 AM 1.32 9.2 1.32 9.2 1.32
10/31/2012 7:00 AM 0.33 2.8 0.33 13.1 1.59
11/1/2012 7:00 AM 0.88 T T 9.9 0.88
11/2/2012 7:00 AM 0.00 0.0 M T T Snow ranges from bare spots to 2ft in drift areas
11/3/2012 7:00 AM 0.00 0.0 M T T Mix of bare ground and old snow drifts
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 T T T T T Snow showers started at 5a.m. By 7 there was a trace blowing around on the road
11/7/2012 7:00 AM 0.16 T T T T rain/wet snow mix
11/8/2012 7:00 AM 0.10 M M M M
11/9/2012 7:00 AM 0.00 0.0 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 T M M M M
11/13/2012 7:00 AM 0.42 M M M M
11/14/2012 7:00 AM 0.00 0.0 M M M
11/15/2012 7:00 AM T M 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 0.00 0.0 M M M
11/25/2012 7:00 AM 0.00 0.0 M M M
11/26/2012 7:00 AM 0.00 0.0 M M M
11/27/2012 7:00 AM 0.19 M M M M
11/28/2012 7:00 AM 0.06 M M M M
11/29/2012 7:00 AM 0.00 0.0 M M M
11/30/2012 7:00 AM 0.00 0.0 M M M
12/1/2012 7:00 AM 0.00 0.0 M M M
12/2/2012 7:00 AM 0.00 0.0 M M M
12/4/2012 7:00 AM 0.00 0.0 M M M
12/5/2012 7:00 AM 0.06 M M M M
12/6/2012 7:00 AM 0.09 M M M M
12/7/2012 7:00 AM 0.03 M M M M
12/8/2012 7:00 AM 0.00 0.0 M M M
12/9/2012 7:00 AM 0.00 0.0 M M M
12/10/2012 7:00 AM T 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 0.39 M M M M
12/17/2012 7:00 AM 0.66 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 0.00 0.0 M M M
12/21/2012 7:00 AM 0.02 0.4 0.40 0.4 0.40
12/22/2012 7:00 AM T T T T T
12/24/2012 7:00 AM 0.42 M M M M
12/25/2012 7:00 AM 0.58 M M M M
12/26/2012 7:00 AM 0.39 M M M M
12/27/2012 7:00 AM 0.42 0.4 0.02 0.4 0.02
12/28/2012 7:00 AM T T T 0.3 0.02
12/29/2012 7:00 AM 0.71 M M M M
12/30/2012 7:00 AM 0.10 1.1 0.10 1.1 0.10
1/1/2013 7:00 AM 0.10 M M M M
1/2/2013 7:00 AM 0.61 T T T T
1/3/2013 7:00 AM T M M M M
1/4/2013 7:00 AM 0.00 0.0 M M M
1/5/2013 7:00 AM 0.00 0.0 M M M
1/6/2013 7:00 AM 0.08 M M M M
1/7/2013 7:00 AM T T T T T
1/8/2013 7:00 AM 0.00 0.0 M M M
1/9/2013 7:00 AM 0.00 0.0 M M M
1/10/2013 7:00 AM 0.02 M M M M
1/11/2013 7:00 AM 0.00 0.0 M M M
1/12/2013 7:00 AM T M M M M
1/14/2013 7:00 AM 0.76 M M M M
1/15/2013 7:00 AM 2.69 M M M M
1/16/2013 7:00 AM 1.33 M M M M
1/17/2013 7:00 AM 0.00 0.0 M M M
1/18/2013 7:00 AM 1.71 5.8 0.89 5.8 0.89
1/19/2013 7:00 AM 0.00 0.0 M 4.1 1.10
1/20/2013 7:00 AM 0.00 0.0 M 2.9 0.66
1/21/2013 7:00 AM 0.00 0.0 M 2.0 0.39
1/22/2013 7:00 AM 0.00 0.0 M 1.0 0.19
1/26/2013 7:00 AM 0.62 T T T T had a mixture of snow sleet and then rain
1/30/2013 7:00 AM 0.14 M M M M
1/31/2013 7:00 AM 2.11 3.3 0.49 3.3 0.49
2/1/2013 7:00 AM 0.18 2.8 1.80 3.9 0.41
2/2/2013 7:00 AM 0.03 0.1 T M M
2/3/2013 7:00 AM 0.41 6.6 0.41 7.2 M
2/4/2013 7:00 AM 0.18 2.9 0.18 M M
2/5/2013 7:00 AM T M M 1.3 0.09
2/6/2013 7:00 AM 0.00 0.0 M M M
2/7/2013 7:00 AM 0.00 0.0 M M M
2/8/2013 7:00 AM 0.23 M M M M
2/9/2013 7:00 AM 0.17 M M M M
2/10/2013 7:00 AM 0.00 0.0 M M M
2/11/2013 7:00 AM 0.52 M M M M
2/12/2013 7:00 AM T M M M M
2/13/2013 7:00 AM 0.08 M M M M
2/14/2013 7:00 AM 0.09 M M M M
2/15/2013 7:00 AM 0.00 0.0 M M M
2/16/2013 7:00 AM 0.25 M M M M
2/17/2013 7:00 AM 0.16 2.1 0.16 M M
2/18/2013 7:00 AM 0.00 0.0 M T T
2/19/2013 7:00 AM 0.09 M M M M
2/20/2013 7:00 AM 0.11 M M M M
2/21/2013 7:00 AM 0.00 0.0 M M M
2/22/2013 7:00 AM 0.64 M M M M
2/23/2013 7:00 AM 0.11 M M M M
2/24/2013 7:00 AM T M M M M
2/25/2013 7:00 AM 0.00 0.0 M M M
2/26/2013 7:00 AM 0.20 M M M M
2/27/2013 7:00 AM 0.14 M M M M
2/28/2013 7:00 AM 0.02 0.7 0.20 M M
3/1/2013 7:00 AM 0.06 T T M M
3/2/2013 7:00 AM 0.15 1.9 0.15 M M
3/3/2013 7:00 AM 0.07 1.1 0.07 3.0 0.24
3/4/2013 7:00 AM T T T 2.7 0.19
3/5/2013 7:00 AM 0.19 M M M M
3/6/2013 7:00 AM 1.41 2.8 0.37 M M
3/7/2013 7:00 AM 0.14 2.4 0.14 5.0 0.41
3/8/2013 7:00 AM 0.00 0.0 M M M
3/9/2013 7:00 AM 0.00 0.0 M M M
3/10/2013 7:00 AM 0.00 0.0 M M M
3/12/2013 7:00 AM 1.05 M M M M
3/13/2013 7:00 AM T M M M M
3/14/2013 7:00 AM 0.07 1.1 0.07 M M
3/15/2013 7:00 AM 0.00 0.0 M M M
3/16/2013 7:00 AM T M M M M
3/17/2013 7:00 AM 0.00 0.0 M M M
3/19/2013 7:00 AM 0.72 M M M M
3/20/2013 7:00 AM 0.00 0.0 M M M
3/21/2013 7:00 AM 0.16 0.9 0.16 M M
3/26/2013 7:00 AM 0.42 6.8 0.42 M M
3/27/2013 7:00 AM 0.12 2.2 0.12 8.7 0.67



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