Station Overview Station Location
Station Number NC-BC-139 Latitude 35.589112
Station Name Swannanoa 2.4 WSW Longitude -82.43217
County Buncombe Elevation (ft) 2218



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 17 2.49 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 3.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 3.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 3.14 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 3.43 0.38 13 0.32 5 0.06 8 2 3 0 0.0 0 0
March 18 3.70 2.74 27 2.74 27 0.00 0 0 14 3 1.5 4 1
April 18 3.39 3.12 22 3.12 22 0.00 0 0 9 1 0.1 1 0
May 18 3.61 10.04 21 4.13 11 5.91 10 2 7 0 0.0 0 0
June 18 4.08 0.00 30 0.00 0 0.00 30 0 0 0 0.0 0 0
July 18 3.81 2.94 31 1.38 2 1.56 29 1 2 0 0.0 0 0
Aug 18 3.73 4.13 31 0.00 0 4.13 31 1 0 0 0.0 0 0
Sept 18 3.80 1.42 20 0.61 1 0.81 19 1 1 0 0.0 0 0
Water Year Totals: 41.41" 24.77" 195 days 12.30" 68 12.47" 127 days 7 36 days 4 days 1.6" 5 days 1 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
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017
12/17/2017
12/18/2017
12/19/2017
12/20/2017
12/21/2017
12/22/2017
12/23/2017
12/24/2017
12/25/2017
12/26/2017
12/27/2017
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018 0.00
2/17/2018 **
2/18/2018 **
2/19/2018 **
2/20/2018 **
2/21/2018 **
2/22/2018 0.05
2/23/2018
2/24/2018
2/25/2018 0.15
2/26/2018 0.16
2/27/2018 0.01
2/28/2018 0.00
3/1/2018 0.84
3/2/2018 0.36
3/3/2018 0.00
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.16
3/7/2018 0.12
3/8/2018 0.01
3/9/2018 T
3/10/2018 0.01
3/11/2018 0.04
3/12/2018 0.33
3/13/2018 0.02
3/14/2018 0.04
3/15/2018 T
3/16/2018 0.00
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.00
3/20/2018 0.12
3/21/2018 0.14
3/22/2018 T
3/23/2018 0.00
3/24/2018 0.02
3/25/2018 0.53
3/26/2018 0.00
3/27/2018 0.00
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018 0.33
4/8/2018 0.10
4/9/2018 0.01
4/10/2018
4/11/2018
4/12/2018 0.00
4/13/2018 0.00
4/14/2018 0.00
4/15/2018 0.06
4/16/2018 1.36
4/17/2018 T
4/18/2018 0.00
4/19/2018 0.00
4/20/2018 0.00
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.07
4/24/2018 0.83
4/25/2018 0.27
4/26/2018 0.00
4/27/2018 0.09
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 0.00
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018 0.46
5/11/2018 0.02
5/12/2018 0.42
5/13/2018 0.00
5/14/2018 **
5/15/2018 **
5/16/2018 **
5/17/2018 2.24
5/18/2018 1.35
5/19/2018 1.61
5/20/2018
5/21/2018 0.24
5/22/2018 0.00
5/23/2018 0.03
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018 **
5/29/2018 **
5/30/2018 **
5/31/2018 **
6/1/2018 **
6/2/2018 **
6/3/2018 **
6/4/2018 **
6/5/2018 **
6/6/2018 **
6/7/2018 **
6/8/2018 **
6/9/2018 **
6/10/2018 **
6/11/2018 **
6/12/2018 **
6/13/2018 **
6/14/2018 **
6/15/2018 **
6/16/2018 **
6/17/2018 **
6/18/2018 **
6/19/2018 **
6/20/2018 **
6/21/2018 **
6/22/2018 **
6/23/2018 **
6/24/2018 **
6/25/2018 **
6/26/2018 **
6/27/2018 **
6/28/2018 **
6/29/2018 **
6/30/2018 **
Day of YearDaily PrcpMultiday Prcp
7/1/2018 **
7/2/2018 **
7/3/2018 **
7/4/2018 **
7/5/2018 **
7/6/2018 **
7/7/2018 **
7/8/2018 **
7/9/2018 **
7/10/2018 **
7/11/2018 **
7/12/2018 **
7/13/2018 **
7/14/2018 **
7/15/2018 **
7/16/2018 **
7/17/2018 **
7/18/2018 **
7/19/2018 **
7/20/2018 1.56
7/21/2018 0.43
7/22/2018 0.95
7/23/2018 **
7/24/2018 **
7/25/2018 **
7/26/2018 **
7/27/2018 **
7/28/2018 **
7/29/2018 **
7/30/2018 **
7/31/2018 **
8/1/2018 **
8/2/2018 **
8/3/2018 **
8/4/2018 **
8/5/2018 **
8/6/2018 **
8/7/2018 **
8/8/2018 **
8/9/2018 **
8/10/2018 **
8/11/2018 **
8/12/2018 **
8/13/2018 **
8/14/2018 **
8/15/2018 **
8/16/2018 **
8/17/2018 **
8/18/2018 **
8/19/2018 **
8/20/2018 **
8/21/2018 **
8/22/2018 **
8/23/2018 **
8/24/2018 **
8/25/2018 **
8/26/2018 **
8/27/2018 **
8/28/2018 **
8/29/2018 **
8/30/2018 4.13
8/31/2018 **
9/1/2018 **
9/2/2018 **
9/3/2018 **
9/4/2018 **
9/5/2018 **
9/6/2018 **
9/7/2018 **
9/8/2018 **
9/9/2018 **
9/10/2018 **
9/11/2018 0.81
9/12/2018 0.61
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018 **
9/24/2018 **
9/25/2018 **
9/26/2018 **
9/27/2018 **
9/28/2018 **
9/29/2018 **
9/30/2018 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/16/2018 7:00 AM 0.00 0.0 M M M
2/25/2018 7:00 AM 0.15 M M M M
2/26/2018 7:00 AM 0.16 M M M M
2/27/2018 7:00 AM 0.01 M M M M
2/28/2018 7:00 AM 0.00 0.0 M M M
3/1/2018 7:00 AM 0.84 M M M M
3/2/2018 7:00 AM 0.36 0.0 M M M {EDIT: Observer reported 0.00 for new precip. QPE data and surrounding reports of 0.30's indicate this could be a date error. 0.00 matches better with reports in the area on the following day. Changed report of 0.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 3/07/2018 9:13 AM CoCoSTAFF DNT}
3/3/2018 7:00 AM 0.00 0.0 M M M {EDIT: Observer reported 0.36 for new precip. QPE data and surrounding reports of 0.00's indicate this could be a date error. 0.36 matches better with reports in the area on the previous day. Changed report of 0.36 to NA until observer can be contacted to verify. Submission Time Before EDIT: 3/07/2018 9:13 AM CoCoSTAFF DNT}
3/4/2018 7:00 AM 0.00 0.0 M M M
3/5/2018 7:00 AM 0.00 0.0 M M M
3/6/2018 7:00 AM 0.16 M M M M
3/7/2018 7:00 AM 0.12 T T M M
3/8/2018 7:00 AM 0.01 0.2 0.01 T T A tenth in the AM with snow showers yesterday before noon, followed by another tenth this morning on the ground and raised surfaces.
3/9/2018 7:00 AM T T T M M
3/10/2018 7:00 AM 0.01 M M M M
3/11/2018 7:00 AM 0.04 M M M M
3/12/2018 7:00 AM 0.33 M M M M
3/13/2018 7:00 AM 0.02 T 0.02 M M Snow flurries and showers much of the day with no accumulations.
3/14/2018 7:00 AM 0.04 1.0 0.04 1.0 0.04
3/15/2018 7:00 AM T 0.2 T M M Snow showers through the morning and early afternoon
3/16/2018 7:00 AM 0.00 0.0 M M M
3/17/2018 7:00 AM 0.00 0.0 M M M
3/18/2018 7:00 AM 0.00 0.0 M M M
3/19/2018 7:00 AM 0.00 0.0 M M M
3/20/2018 7:00 AM 0.12 M M M M
3/21/2018 7:00 AM 0.14 T T M M
3/22/2018 7:00 AM T 0.1 T M M Show showers with very little moisture. About a tenth of an inch on raised surfaces of snow.
3/23/2018 7:00 AM 0.00 0.0 M M M
3/24/2018 7:00 AM 0.02 M M M M
3/25/2018 7:00 AM 0.53 T T M M
3/26/2018 7:00 AM 0.00 0.0 M M M
3/27/2018 7:00 AM 0.00 0.0 M M M
4/7/2018 7:00 AM 0.33 M M M M
4/8/2018 7:00 AM 0.10 M M M M
4/9/2018 7:00 AM 0.01 M M M M
4/12/2018 7:00 AM 0.00 0.0 M M M
4/13/2018 7:00 AM 0.00 0.0 M M M
4/14/2018 7:00 AM 0.00 0.0 M M M
4/15/2018 7:00 AM 0.06 M M M M
4/16/2018 7:00 AM 1.36 M M M M
4/17/2018 7:00 AM T 0.1 T T T
4/18/2018 7:00 AM 0.00 0.0 M M M
4/19/2018 7:00 AM 0.00 0.0 M M M
4/20/2018 7:00 AM 0.00 0.0 M M M
4/21/2018 7:00 AM 0.00 0.0 M M M
4/22/2018 7:00 AM 0.00 0.0 M M M
4/23/2018 7:00 AM 0.07 M M M M
4/24/2018 7:00 AM 0.83 M M M M
4/25/2018 7:00 AM 0.27 M M M M
4/26/2018 7:00 AM 0.00 0.0 M M M
4/27/2018 7:00 AM 0.09 M M M M
4/28/2018 7:00 AM 0.00 0.0 M M M
4/29/2018 7:00 AM 0.00 0.0 M M M
4/30/2018 7:00 AM 0.00 0.0 M M M
5/1/2018 7:00 AM 0.00 0.0 M M M
5/2/2018 7:00 AM 0.00 0.0 M M M
5/10/2018 7:00 AM 0.46 M M M M
5/11/2018 7:00 AM 0.02 M M M M
5/12/2018 7:00 AM 0.42 M M M M
5/13/2018 7:00 AM 0.00 0.0 M M M
5/18/2018 7:00 AM 1.35 M M M M
5/19/2018 7:00 AM 1.61 M M M M
5/21/2018 7:00 AM 0.24 M M M M
5/22/2018 7:00 AM 0.00 0.0 M M M
5/23/2018 7:00 AM 0.03 M M M M
7/21/2018 7:00 AM 0.43 M M M M
7/22/2018 7:00 AM 0.95 M M M M
9/12/2018 7:00 AM 0.61 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/17/2018 2/19/2018 7:00 AM 3 0.01 M M
2/18/2018 2/22/2018 7:00 AM 5 0.05 M M
5/14/2018 5/17/2018 7:00 AM 4 2.24 M M
5/28/2018 5/30/2018 7:00 AM 3 3.67 M M Flooding in the area. Potential dangerous situation.
5/29/2018 7/20/2018 7:00 AM 53 1.56 M M
7/23/2018 8/30/2018 7:00 AM 39 4.13 M M
8/31/2018 9/11/2018 7:00 AM 12 0.81 M M
9/23/2018 11/22/2018 7:00 AM 61 5.64 T 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
3/20/2018 6:51 PM Hail was very soft and was splattering upon contact with solid surfaces. Almost looked like small snowballs bursting when it hit the windshield of the car but you could detect shards of white ice and small pieces coming from each stone. 7/8" Nickel Size 1/2" Grape 1/4" Pea Size Soft|White Ice 8 1min no damage Intermittent True After rain Same time as smaller hail