Weather History for Clarksville, TN

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 99 °F 78 °F 64 °F
Mean Temperature 85 °F 68 °F 60 °F
Min Temperature 70 °F 58 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 5 1 0 32
Cooling Degree Days (base 65) 20 4 0 129
Growing Degree Days (base 50) 34 18 9 533
Dew Point  
Dew Point 73 °F 58 °F 38 °F
Precipitation  
Precipitation 1.25 in 0.16 in 0.00 in 4.11 in
Snowdepth - - - -
Wind  
Wind 36 mph 5 mph 0 mph
Gust Wind 47 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 29.98 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 07, 2011 Rise Set
Actual Time 6:25 AM CDT 7:09 PM CDT
Civil Twilight 5:59 AM CDT 7:35 PM CDT
Nautical Twilight 5:28 AM CDT 8:06 PM CDT
Astronomical Twilight 4:56 AM CDT 8:38 PM CDT
Moon 4:21 PM CDT (9/7) 1:47 AM CDT (9/7)
Length of Visible Light 13h 36m
Length of Day
12h 44m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 7
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 4.11 Average Month Total: 3.32
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
98 | 68 0.00
Average:
88 | 63 0.08
Clear
Actual:
99 | 70 0.00
Average:
88 | 63 0.09
Thunderstorm
Actual:
99 | 70 0.43
Average:
87 | 62 0.14
Thunderstorm
Actual:
83 | 68 1.25
Average:
85 | 62 0.08
Rain
Actual:
68 | 59 0.26
Average:
86 | 62 0.08
Rain
Actual:
64 | 55 0.17
Average:
87 | 61 0.02
Overcast
Actual:
71 | 58 0.00
Average:
86 | 61 0.07
Partly Cloudy
Actual:
72 | 53 0.00
Average:
87 | 62 0.02
Rain
Actual:
75 | 56 0.01
Average:
86 | 62 0.05
Thunderstorm
Actual:
82 | 56 0.20
Average:
84 | 60 0.03
Thunderstorm
Actual:
83 | 60 0.05
Average:
83 | 59 0.21
Fog
Actual:
83 | 57 0.01
Average:
84 | 58 0.05
Fog
Actual:
88 | 58 0.00
Average:
85 | 59 0.07
Thunderstorm
Actual:
83 | 59 0.01
Average:
85 | 59 0.26
Rain
Actual:
69 | 52 0.01
Average:
84 | 57 0.10
Scattered Clouds
Actual:
69 | 52 0.00
Average:
82 | 57 0.13
Scattered Clouds
Actual:
78 | 56 0.00
Average:
82 | 58 0.06
Partly Cloudy
Actual:
80 | 61 T
Average:
83 | 57 0.10
Rain
Actual:
69 | 62 0.50
Average:
82 | 57 0.05
Rain
Actual:
75 | 62 T
Average:
82 | 56 0.11
Partly Cloudy
Actual:
80 | 62 T
Average:
81 | 55 0.23
Thunderstorm
Actual:
81 | 57 0.18
Average:
80 | 55 0.17
Rain
Actual:
72 | 53 0.40
Average:
77 | 54 0.19
Partly Cloudy
Actual:
71 | 50 T
Average:
76 | 53 0.17
Thunderstorm
Actual:
75 | 59 0.49
Average:
78 | 54 0.18
Rain
Actual:
69 | 51 0.14
Average:
77 | 53 0.10
Partly Cloudy
Actual:
77 | 48 0.00
Average:
79 | 53 0.16
Partly Cloudy
Actual:
76 | 54 0.00
Average:
78 | 52 0.07
Scattered Clouds
Actual:
82 | 57 0.00
Average:
78 | 51 0.11
Scattered Clouds
Actual:
69 | 51 0.00
Average:
77 | 51 0.14
 

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

2011 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 98 83 68 71 67 63 90 61 31 30.11 30.04 29.98 10 8 4 9 3 13 0.00  
2 99 85 70 70 67 62 90 61 31 30.05 29.98 29.92 10 8 5 12 2 16 0.00  
3 99 85 70 70 67 62 100 66 31 29.93 29.88 29.79 10 8 3 22 4 30 0.43 Rain , Thunderstorm
4 83 76 68 73 70 66 100 83 65 29.92 29.87 29.82 10 4 1 28 6 38 1.25 Rain , Thunderstorm
5 68 64 59 66 55 49 93 75 56 29.88 29.86 29.83 10 9 2 22 13 29 0.26 Rain
6 64 60 55 56 52 50 86 77 67 29.98 29.90 29.84 10 10 8 22 12 29 0.17 Rain
7 71 65 58 59 54 52 87 70 53 30.04 30.00 29.95 10 10 10 18 8 24 0.00  
8 72 63 53 57 54 50 93 71 49 30.03 29.99 29.94 10 10 9 17 6 23 0.00  
9 75 66 56 63 57 55 100 75 50 29.96 29.93 29.90 10 10 6 13 3 16 0.01 Rain
10 82 69 56 61 58 55 100 73 45 30.03 29.99 29.95 10 6 1 36 3 47 0.20 Rain , Thunderstorm
11 83 72 60 65 61 59 100 73 46 30.08 30.04 29.99 10 7 0 15 2 18 0.05 Fog , Rain , Thunderstorm
12 83 70 57 65 61 57 100 73 46 30.14 30.08 30.02 10 4 0 8 1 13 0.01 Fog
13 88 73 58 64 61 57 100 70 39 30.05 30.00 29.94 10 6 0 29 3 30 0.00 Fog
14 83 71 59 67 64 59 100 79 58 30.01 29.91 29.81 10 6 1 20 5 25 0.01 Rain , Thunderstorm
15 69 61 52 61 48 40 93 64 35 30.25 30.13 29.92 10 9 3 23 12 30 0.01 Rain
16 69 61 52 52 46 40 75 62 49 30.26 30.21 30.17 10 10 10 15 5 18 0.00  
17 78 67 56 57 55 52 93 71 46 30.24 30.18 30.14 10 10 10 6 2 7 0.00  
18 80 71 61 67 63 57 93 78 62 30.18 30.12 30.06 10 9 4 14 5 17 T  
19 69 66 62 65 63 63 100 92 84 30.07 30.04 30.00 10 6 1 16 5 24 0.50 Rain
20 75 69 62 68 65 62 100 90 79 30.07 30.03 29.98 10 6 1 8 3 10 T Rain
21 80 71 62 68 65 60 100 76 51 30.07 30.04 29.99 10 8 4 14 4 16 T  
22 81 69 57 63 59 52 100 73 46 30.11 30.07 30.02 10 5 0 20 6 23 0.18 Fog , Thunderstorm
23 72 63 53 56 53 46 100 72 44 30.14 30.08 30.02 10 8 2 15 5 20 0.40 Rain
24 71 61 50 58 54 50 100 79 57 30.02 29.96 29.89 10 10 8 10 4 16 T  
25 75 67 59 68 61 57 90 76 61 29.95 29.80 29.64 10 10 7 17 7 21 0.49 Rain , Thunderstorm
26 69 60 51 67 56 48 100 75 49 29.91 29.81 29.69 10 10 9 21 5 37 0.14 Rain
27 77 63 48 58 52 47 96 68 40 29.91 29.88 29.83 10 10 6 18 6 25 0.00  
28 76 65 54 61 57 54 93 71 49 29.88 29.86 29.81 10 9 2 15 4 17 0.00  
29 82 70 57 61 58 44 100 76 39 29.91 29.87 29.80 10 7 1 14 2 17 0.00  
30 69 62 51 44 41 38 74 49 33 30.04 29.98 29.89 10 10 10 21 12 29 0.00