Weather History for Chattanooga, TN

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 85 °F 67 °F
Mean Temperature 81 °F 74 °F 63 °F
Min Temperature 68 °F 62 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 4
Cooling Degree Days (base 65) 16 9 0 270
Growing Degree Days (base 50) 30 23 12 722
Dew Point  
Dew Point 71 °F 61 °F 41 °F
Precipitation  
Precipitation 1.26 in 0.09 in 0.00 in 2.50 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 24 mph 3 mph 0 mph
Gust Wind 31 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 29.99 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 11, 2012 Rise Set
Actual Time 6:39 AM EDT 8:34 PM EDT
Civil Twilight 6:12 AM EDT 9:02 PM EDT
Nautical Twilight 5:38 AM EDT 9:36 PM EDT
Astronomical Twilight 5:02 AM EDT 10:12 PM EDT
Moon 1:15 AM EDT (5/11) 12:09 PM EDT (5/11)
Length of Visible Light 14h 50m
Length of Day
13h 54m
Waning Gibbous, 63% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Weather History Calendar

Precipitation Actual month total 2.50 Normal Month Total: 4.10
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
90 | 63 0.00
Average:
76 | 53 0.14
Partly Cloudy
Actual:
91 | 64 0.00
Average:
77 | 53 0.15
Rain
Actual:
85 | 66 T
Average:
77 | 53 0.14
Partly Cloudy
Actual:
88 | 66 0.00
Average:
77 | 54 0.14
Partly Cloudy
Actual:
92 | 64 0.00
Average:
77 | 54 0.14
Rain
Actual:
90 | 65 T
Average:
78 | 54 0.14
Rain
Actual:
85 | 64 0.01
Average:
78 | 55 0.14
Partly Cloudy
Actual:
86 | 66 0.00
Average:
78 | 55 0.14
Rain
Actual:
75 | 57 0.08
Average:
78 | 55 0.14
Scattered Clouds
Actual:
76 | 49 0.00
Average:
78 | 56 0.14
Partly Cloudy
Actual:
79 | 49 0.00
Average:
79 | 56 0.14
Rain
Actual:
77 | 60 0.02
Average:
79 | 56 0.14
Rain
Actual:
67 | 61 1.26
Average:
79 | 56 0.14
Thunderstorm
Actual:
78 | 62 0.25
Average:
79 | 57 0.14
Fog
Actual:
79 | 58 0.00
Average:
80 | 57 0.14
Fog
Actual:
84 | 57 0.00
Average:
80 | 57 0.13
Fog
Actual:
86 | 57 0.00
Average:
80 | 58 0.14
Thunderstorm
Actual:
86 | 60 0.00
Average:
80 | 58 0.13
Fog
Actual:
86 | 61 0.00
Average:
81 | 58 0.12
Thunderstorm
Actual:
86 | 61 T
Average:
81 | 59 0.12
Thunderstorm
Actual:
82 | 61 0.23
Average:
81 | 59 0.12
Thunderstorm
Actual:
78 | 63 0.15
Average:
81 | 59 0.11
Partly Cloudy
Actual:
81 | 61 0.00
Average:
82 | 59 0.12
Fog
Actual:
88 | 60 0.00
Average:
82 | 60 0.12
Scattered Clouds
Actual:
91 | 63 0.00
Average:
82 | 60 0.12
Fog
Actual:
93 | 67 0.00
Average:
82 | 60 0.13
Scattered Clouds
Actual:
94 | 68 0.00
Average:
83 | 61 0.12
Scattered Clouds
Actual:
93 | 68 0.00
Average:
83 | 61 0.12
Thunderstorm
Actual:
92 | 68 0.50
Average:
83 | 61 0.13
Partly Cloudy
Actual:
91 | 65 0.00
Average:
83 | 62 0.13
Partly Cloudy
Actual:
81 | 62 0.00
Average:
84 | 62 0.13
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 90 77 63 64 61 60 93 67 40 30.13 30.05 29.98 10 10 10 9 3 - 0.00  
2 91 78 64 66 62 57 93 64 34 30.13 30.06 30.02 10 10 10 10 2 13 0.00  
3 85 76 66 70 64 61 87 69 51 30.14 30.09 30.03 10 10 8 13 2 16 T Rain
4 88 77 66 66 64 60 93 68 42 30.12 30.05 29.96 10 9 4 12 3 16 0.00  
5 92 78 64 66 62 56 93 63 32 30.06 29.95 29.88 10 10 7 16 5 22 0.00  
6 90 78 65 64 62 58 87 61 34 30.01 29.94 29.88 10 10 10 12 4 16 T Rain
7 85 75 64 69 63 61 87 69 51 30.00 29.92 29.83 10 10 10 17 5 23 0.01 Rain
8 86 76 66 65 62 58 93 67 40 29.94 29.89 29.82 10 9 7 13 5 16 0.00  
9 75 66 57 62 54 42 90 62 33 29.91 29.86 29.81 10 10 7 17 7 22 0.08 Rain
10 76 63 49 49 45 41 86 59 31 30.00 29.93 29.88 10 10 10 20 5 25 0.00  
11 79 64 49 53 46 42 86 58 29 30.16 30.10 30.02 10 10 10 10 4 22 0.00  
12 77 69 60 60 56 53 84 67 50 30.27 30.19 30.13 10 10 8 17 6 24 0.02 Rain
13 67 64 61 63 61 57 97 89 81 30.15 30.08 29.99 10 4 1 14 5 20 1.26 Rain
14 78 70 62 66 63 62 93 81 69 30.00 29.96 29.92 10 6 2 20 3 23 0.25 Fog , Rain , Thunderstorm
15 79 69 58 62 60 57 97 76 54 30.02 29.98 29.94 10 10 10 12 2 14 0.00 Fog
16 84 71 57 61 57 53 97 68 39 30.03 29.98 29.91 10 10 10 14 4 18 0.00 Fog
17 86 72 57 61 57 53 93 64 34 30.01 29.96 29.91 10 10 10 15 3 23 0.00 Fog
18 86 73 60 65 60 52 90 65 39 30.08 30.03 29.99 10 10 10 18 3 23 0.00 Thunderstorm
19 86 74 61 63 61 59 93 69 44 30.15 30.09 30.04 10 9 5 14 3 17 0.00 Fog
20 86 74 61 65 61 54 93 68 42 30.16 30.09 30.02 10 10 5 22 1 28 T Rain , Thunderstorm
21 82 72 61 66 63 59 97 74 51 30.06 30.01 29.94 10 10 7 12 2 22 0.23 Rain , Thunderstorm
22 78 71 63 64 62 59 93 75 56 29.97 29.91 29.87 10 8 2 16 2 20 0.15 Fog , Rain , Thunderstorm
23 81 71 61 64 61 56 100 73 45 29.92 29.89 29.84 10 7 1 8 1 10 0.00  
24 88 74 60 62 60 56 90 62 34 29.99 29.92 29.87 10 10 9 13 3 17 0.00 Fog
25 91 77 63 69 64 60 93 69 44 30.11 30.05 29.96 10 10 9 9 1 14 0.00  
26 93 80 67 70 67 62 93 66 38 30.17 30.10 30.04 10 9 4 12 3 16 0.00 Fog
27 94 81 68 69 67 64 90 65 39 30.11 30.04 29.97 10 9 5 9 2 13 0.00  
28 93 81 68 67 65 61 90 64 38 30.03 29.96 29.89 10 10 10 9 2 15 0.00  
29 92 80 68 71 66 63 90 64 38 29.94 29.87 29.79 10 10 4 24 5 31 0.50 Rain , Thunderstorm
30 91 78 65 69 61 49 93 59 24 29.89 29.85 29.80 10 10 10 9 2 16 0.00  
31 81 72 62 64 62 59 93 74 54 29.88 29.83 29.75 10 10 10 8 2 - 0.00