Weather History for Tri-Cities, TN

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 80 °F 68 °F
Mean Temperature 78 °F 68 °F 62 °F
Min Temperature 68 °F 57 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 3 1 0 19
Cooling Degree Days (base 65) 13 4 0 120
Growing Degree Days (base 50) 28 18 10 536
Dew Point  
Dew Point 70 °F 58 °F 41 °F
Precipitation  
Precipitation 0.69 in 0.07 in 0.00 in 1.85 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 2 mph 0 mph
Gust Wind 42 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 30.04 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2013 Rise Set
Actual Time 7:12 AM EDT 7:36 PM EDT
Civil Twilight 6:46 AM EDT 8:02 PM EDT
Nautical Twilight 6:15 AM EDT 8:32 PM EDT
Astronomical Twilight 5:44 AM EDT 9:03 PM EDT
Moon 4:58 PM EDT (9/15) 2:54 AM EDT (9/15)
Length of Visible Light 13h 16m
Length of Day
12h 24m
Waxing Gibbous, 82% of the Moon is Illuminated
Sep 15
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 1.85 Normal Month Total: 2.99
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
83 | 68 0.32
Average:
84 | 60 0.11
Partly Cloudy
Actual:
84 | 67 T
Average:
83 | 60 0.11
Thunderstorm
Actual:
84 | 60 0.10
Average:
83 | 60 0.11
Fog
Actual:
84 | 56 0.00
Average:
83 | 59 0.11
Fog
Actual:
83 | 54 0.00
Average:
83 | 59 0.10
Fog
Actual:
84 | 57 0.00
Average:
82 | 59 0.10
Fog
Actual:
84 | 58 0.00
Average:
82 | 58 0.11
Fog
Actual:
85 | 59 0.00
Average:
82 | 58 0.10
Fog
Actual:
90 | 64 0.00
Average:
82 | 58 0.10
Partly Cloudy
Actual:
89 | 64 0.00
Average:
81 | 57 0.10
Partly Cloudy
Actual:
88 | 68 0.00
Average:
81 | 57 0.10
Thunderstorm
Actual:
85 | 64 0.38
Average:
81 | 57 0.11
Partly Cloudy
Actual:
76 | 53 0.00
Average:
80 | 56 0.11
Clear
Actual:
77 | 47 0.00
Average:
80 | 56 0.11
Partly Cloudy
Actual:
80 | 48 0.00
Average:
80 | 56 0.11
Partly Cloudy
Actual:
78 | 56 T
Average:
79 | 55 0.10
Partly Cloudy
Actual:
77 | 55 0.00
Average:
79 | 55 0.10
Rain
Actual:
69 | 55 0.14
Average:
79 | 54 0.10
Mostly Cloudy
Actual:
78 | 62 0.02
Average:
78 | 54 0.09
Fog
Actual:
83 | 61 0.00
Average:
78 | 54 0.10
Rain
Actual:
69 | 61 0.69
Average:
77 | 53 0.10
Fog
Actual:
73 | 50 0.00
Average:
77 | 53 0.09
Fog
Actual:
77 | 46 0.00
Average:
77 | 52 0.10
Partly Cloudy
Actual:
79 | 51 0.00
Average:
76 | 52 0.09
Rain
Actual:
68 | 59 0.16
Average:
76 | 51 0.09
Rain
Actual:
77 | 55 0.04
Average:
76 | 51 0.09
Fog
Actual:
79 | 50 0.00
Average:
75 | 51 0.09
Scattered Clouds
Actual:
76 | 49 0.00
Average:
75 | 50 0.09
Partly Cloudy
Actual:
74 | 50 0.00
Average:
75 | 50 0.08
Partly Cloudy
Actual:
76 | 54 0.00
Average:
74 | 49 0.09
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 76 68 69 67 66 93 76 58 29.98 29.89 29.80 10 6 0 14 3 19 0.32 Fog , Rain , Thunderstorm
2 84 76 67 69 67 66 97 78 58 29.99 29.88 29.81 10 7 3 13 4 15 T  
3 84 72 60 69 63 59 93 70 47 30.02 29.93 29.82 10 9 5 16 4 19 0.10 Rain , Thunderstorm
4 84 70 56 61 58 53 100 69 37 30.16 30.09 30.01 10 5 0 8 2 12 0.00 Fog
5 83 69 54 61 57 53 100 73 45 30.21 30.14 30.09 10 7 0 8 2 13 0.00 Fog
6 84 71 57 62 58 55 100 69 37 30.24 30.15 30.06 10 6 0 8 2 12 0.00 Fog
7 84 71 58 63 59 56 100 73 46 30.16 30.09 29.98 10 5 0 12 3 19 0.00 Fog
8 85 72 59 67 62 57 97 71 44 30.06 30.00 29.94 10 6 0 10 2 13 0.00 Fog
9 90 77 64 66 64 60 100 69 38 30.15 30.07 30.01 10 5 0 13 2 17 0.00 Fog
10 89 77 64 68 64 61 93 66 38 30.22 30.16 30.10 10 8 3 8 2 12 0.00  
11 88 78 68 68 67 63 97 70 43 30.21 30.14 30.08 10 9 4 13 2 16 0.00  
12 85 75 64 70 66 60 97 78 58 30.15 30.02 29.87 10 5 1 31 3 42 0.38 Rain , Thunderstorm
13 76 65 53 64 58 45 93 66 38 29.98 29.91 29.85 10 8 2 14 6 19 0.00  
14 77 62 47 50 46 41 93 61 29 30.09 30.03 29.98 10 10 10 9 3 11 0.00  
15 80 64 48 60 52 47 96 67 37 30.19 30.12 30.08 10 10 9 10 2 13 0.00  
16 78 67 56 61 58 55 100 78 56 30.19 30.14 30.10 10 8 3 12 3 15 T  
17 77 66 55 55 53 51 86 66 46 30.24 30.20 30.16 10 10 10 13 5 18 0.00  
18 69 62 55 61 57 52 93 76 59 30.25 30.19 30.15 10 6 2 6 1 14 0.14 Rain
19 78 70 62 64 62 61 93 77 60 30.23 30.15 30.06 10 6 2 10 2 13 0.02  
20 83 72 61 65 62 59 93 70 47 30.13 30.02 29.88 10 4 0 13 2 16 0.00 Fog
21 69 65 61 65 62 57 97 89 81 29.86 29.79 29.73 10 5 1 16 2 20 0.69 Rain
22 73 62 50 57 52 49 96 72 47 29.94 29.87 29.79 10 7 0 9 2 13 0.00 Fog
23 77 62 46 56 50 45 96 70 43 30.03 29.99 29.93 10 6 0 10 2 15 0.00 Fog
24 79 65 51 57 53 49 100 70 40 30.08 30.00 29.88 10 6 1 9 2 11 0.00  
25 68 64 59 63 60 57 93 87 81 29.94 29.87 29.83 10 9 3 7 1 10 0.16 Rain
26 77 66 55 61 57 49 93 66 38 30.03 29.94 29.87 10 8 2 9 2 12 0.04 Rain
27 79 65 50 55 52 48 96 66 36 30.15 30.09 30.04 10 7 0 9 1 16 0.00 Fog
28 76 63 49 55 52 48 96 70 43 30.23 30.16 30.10 10 10 2 7 1 11 0.00  
29 74 62 50 58 53 50 93 73 53 30.18 30.08 30.01 10 10 9 8 1 12 0.00  
30 76 65 54 58 56 53 93 70 46 30.12 30.03 29.96 10 9 5 9 2 13 0.00