Weather History for Chattanooga, TN

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 82 °F 72 °F
Mean Temperature 82 °F 72 °F 61 °F
Min Temperature 73 °F 61 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 4 0 0 6
Cooling Degree Days (base 65) 17 7 0 218
Growing Degree Days (base 50) 32 22 10 661
Dew Point  
Dew Point 76 °F 61 °F 31 °F
Precipitation  
Precipitation 3.65 in 0.26 in 0.00 in 7.38 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 3 mph 0 mph
Gust Wind 36 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.05 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 07, 2012 Rise Set
Actual Time 7:18 AM EDT 7:58 PM EDT
Civil Twilight 6:52 AM EDT 8:24 PM EDT
Nautical Twilight 6:22 AM EDT 8:54 PM EDT
Astronomical Twilight 5:51 AM EDT 9:24 PM EDT
Moon No Moon Rise 1:53 PM EDT (9/7)
Length of Visible Light 13h 31m
Length of Day
12h 40m
Waning Gibbous, 58% of the Moon is Illuminated
Sep 7
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 7.38 Normal Month Total: 4.04
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
87 | 72 0.05
Average:
88 | 67 0.11
Thunderstorm
Actual:
88 | 71 0.56
Average:
87 | 67 0.12
Rain
Actual:
79 | 71 0.28
Average:
87 | 66 0.13
Rain
Actual:
80 | 73 0.51
Average:
87 | 66 0.11
Rain
Actual:
88 | 73 T
Average:
87 | 66 0.12
Partly Cloudy
Actual:
91 | 71 0.00
Average:
86 | 66 0.13
Partly Cloudy
Actual:
93 | 70 0.00
Average:
86 | 65 0.13
Rain
Actual:
81 | 61 0.13
Average:
86 | 65 0.14
Scattered Clouds
Actual:
81 | 57 0.00
Average:
86 | 65 0.14
Scattered Clouds
Actual:
84 | 58 0.00
Average:
85 | 64 0.13
Partly Cloudy
Actual:
83 | 59 0.00
Average:
85 | 64 0.14
Partly Cloudy
Actual:
83 | 61 0.00
Average:
85 | 63 0.14
Partly Cloudy
Actual:
82 | 63 0.00
Average:
84 | 63 0.14
Partly Cloudy
Actual:
82 | 60 0.00
Average:
84 | 63 0.14
Partly Cloudy
Actual:
86 | 60 0.00
Average:
84 | 62 0.14
Mostly Cloudy
Actual:
85 | 66 0.00
Average:
83 | 62 0.13
Thunderstorm
Actual:
78 | 70 2.07
Average:
83 | 61 0.14
Rain
Actual:
79 | 58 3.65
Average:
83 | 61 0.13
Clear
Actual:
75 | 53 0.00
Average:
82 | 61 0.13
Partly Cloudy
Actual:
79 | 55 0.00
Average:
82 | 60 0.14
Scattered Clouds
Actual:
83 | 58 0.00
Average:
81 | 60 0.13
Scattered Clouds
Actual:
85 | 58 0.00
Average:
81 | 59 0.14
Clear
Actual:
77 | 53 0.00
Average:
81 | 59 0.14
Scattered Clouds
Actual:
74 | 48 0.00
Average:
80 | 59 0.14
Partly Cloudy
Actual:
80 | 50 0.00
Average:
80 | 58 0.14
Partly Cloudy
Actual:
83 | 57 0.00
Average:
80 | 58 0.15
Partly Cloudy
Actual:
85 | 59 0.00
Average:
79 | 57 0.14
Fog
Actual:
86 | 63 T
Average:
79 | 57 0.14
Rain
Actual:
79 | 60 0.03
Average:
79 | 56 0.15
Rain
Actual:
72 | 56 0.10
Average:
78 | 56 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

2012 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 87 80 72 76 72 70 93 77 61 30.21 30.13 30.05 10 10 9 13 3 17 0.05 Rain , Thunderstorm
2 88 80 71 73 71 66 93 76 59 30.07 29.97 29.88 10 7 0 25 6 36 0.56 Rain , Thunderstorm
3 79 75 71 72 71 69 93 84 74 29.98 29.93 29.89 10 6 2 13 4 16 0.28 Fog , Rain
4 80 77 73 74 73 64 100 72 44 30.04 29.91 29.88 10 5 1 10 2 16 0.51 Rain
5 88 81 73 73 72 68 94 74 53 29.97 29.91 29.84 10 7 2 21 3 25 T Rain
6 91 81 71 72 69 67 93 69 44 30.00 29.93 29.88 10 10 10 7 2 15 0.00  
7 93 82 70 72 69 64 100 71 41 29.99 29.91 29.80 10 10 10 8 2 13 0.00  
8 81 71 61 71 66 58 90 76 62 29.95 29.85 29.77 10 9 0 18 6 25 0.13 Rain
9 81 69 57 57 55 53 93 66 39 30.06 29.99 29.92 10 10 10 13 4 17 0.00  
10 84 71 58 61 57 53 93 65 37 30.15 30.10 30.05 10 10 10 9 2 14 0.00  
11 83 71 59 60 58 55 90 65 40 30.26 30.20 30.14 10 10 10 10 2 14 0.00  
12 83 72 61 62 59 54 93 65 37 30.34 30.26 30.21 10 10 10 10 2 14 0.00  
13 82 73 63 63 58 53 93 66 39 30.34 30.27 30.21 10 10 10 12 2 14 0.00  
14 82 71 60 64 60 57 90 70 49 30.27 30.23 30.17 10 10 10 8 1 10 0.00  
15 86 73 60 64 61 56 97 69 40 30.22 30.16 30.09 10 10 10 12 2 20 0.00  
16 85 76 66 67 63 62 87 68 48 30.12 30.06 30.00 10 10 10 8 1 10 0.00  
17 78 74 70 72 69 65 97 85 73 30.02 29.90 29.74 10 5 0 10 2 14 2.07 Rain , Thunderstorm
18 79 69 58 70 65 54 100 80 60 30.01 29.78 29.71 10 6 1 24 6 30 3.65 Rain
19 75 64 53 55 49 43 87 63 38 30.12 30.06 30.01 10 10 10 17 7 21 0.00  
20 79 67 55 61 56 52 93 68 42 30.15 30.09 30.02 10 10 9 12 2 15 0.00  
21 83 71 58 63 56 43 93 60 26 30.09 30.03 29.95 10 9 6 13 4 16 0.00  
22 85 72 58 63 58 49 87 62 36 30.09 30.01 29.97 10 10 10 16 7 22 0.00  
23 77 65 53 53 44 31 93 56 19 30.22 30.16 30.10 10 10 10 13 4 16 0.00  
24 74 61 48 50 44 40 86 58 29 30.26 30.20 30.14 10 10 10 14 3 18 0.00  
25 80 65 50 58 51 47 89 64 39 30.21 30.16 30.11 10 10 10 13 3 18 0.00  
26 83 70 57 62 58 54 93 70 47 30.21 30.16 30.12 10 10 10 9 3 12 0.00  
27 85 72 59 66 61 56 93 69 44 30.22 30.15 30.08 10 10 8 12 2 15 0.00  
28 86 75 63 67 64 59 93 67 40 30.13 30.06 29.99 10 10 10 10 2 14 T Fog
29 79 70 60 67 64 55 90 74 58 30.03 29.97 29.89 10 10 8 13 3 14 0.03 Rain
30 72 64 56 61 58 53 87 78 68 29.94 29.87 29.80 10 9 3 10 4 13 0.10 Rain