Weather History for Decatur, AL

Change the Weather History Date:

Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 87 °F 81 °F
Mean Temperature 84 °F 77 °F 70 °F
Min Temperature 73 °F 67 °F 55 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 19 12 4 362
Growing Degree Days (base 50) 34 27 20 825
Dew Point  
Dew Point 79 °F 69 °F 55 °F
Precipitation  
Precipitation 1.64 in 0.18 in 0.00 in 5.57 in
Snowdepth - - - -
Wind  
Wind 23 mph 3 mph 0 mph
Gust Wind 33 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.17 in 29.99 in 29.79 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Aug. 07, 2012 Rise Set
Actual Time 6:02 AM CDT 7:43 PM CDT
Civil Twilight 5:35 AM CDT 8:10 PM CDT
Nautical Twilight 5:02 AM CDT 8:43 PM CDT
Astronomical Twilight 4:28 AM CDT 9:17 PM CDT
Moon 10:42 PM CDT (8/7) 11:32 AM CDT (8/7)
Length of Visible Light 14h 35m
Length of Day
13h 40m
Waning Gibbous, 69% of the Moon is Illuminated
Aug 7
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Weather History Calendar

Precipitation Actual month total 5.57 Average Month Total: 3.50
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
97 | 71 0.00
Average:
89 | 66 0.19
Thunderstorm
Actual:
93 | 71 0.00
Average:
88 | 66 0.07
Rain
Actual:
87 | 73 0.15
Average:
88 | 66 0.11
Thunderstorm
Actual:
91 | 73 1.64
Average:
89 | 66 0.04
Thunderstorm
Actual:
89 | 73 0.12
Average:
89 | 65 0.19
Scattered Clouds
Actual:
86 | 73 0.01
Average:
90 | 66 0.13
Thunderstorm
Actual:
91 | 73 0.00
Average:
89 | 66 0.07
Scattered Clouds
Actual:
93 | 73 0.00
Average:
88 | 66 0.18
Thunderstorm
Actual:
86 | 73 0.01
Average:
89 | 66 0.12
Thunderstorm
Actual:
86 | 69 0.02
Average:
89 | 66 0.10
Rain
Actual:
82 | 63 0.00
Average:
89 | 66 0.19
Clear
Actual:
84 | 55 0.00
Average:
88 | 65 0.13
Thunderstorm
Actual:
81 | 63 0.83
Average:
88 | 64 0.05
Rain
Actual:
87 | 69 0.00
Average:
88 | 65 0.13
Rain
Actual:
86 | 66 0.00
Average:
89 | 65 0.00
Fog
Actual:
91 | 66 0.00
Average:
90 | 66 0.05
Thunderstorm
Actual:
82 | 66 1.34
Average:
90 | 67 0.19
Partly Cloudy
Actual:
82 | 71 0.00
Average:
89 | 67 0.25
Thunderstorm
Actual:
84 | 62 0.94
Average:
89 | 66 0.23
Clear
Actual:
84 | 59 0.00
Average:
89 | 65 0.11
Clear
Actual:
86 | 59 0.00
Average:
89 | 66 0.12
Scattered Clouds
Actual:
88 | 57 0.00
Average:
88 | 65 0.06
Clear
Actual:
89 | 61 0.00
Average:
88 | 65 0.08
Rain
Actual:
89 | 62 0.01
Average:
89 | 65 0.03
Thunderstorm
Actual:
86 | 66 0.49
Average:
89 | 65 0.10
Clear
Actual:
90 | 64 0.01
Average:
89 | 64 0.09
Rain
Actual:
91 | 64 0.00
Average:
89 | 65 0.10
Rain
Actual:
86 | 66 0.00
Average:
89 | 65 0.05
Rain
Actual:
89 | 72 0.00
Average:
89 | 64 0.10
Rain
Actual:
82 | 73 0.00
Average:
88 | 64 0.17
Thunderstorm
Actual:
87 | 73 0.00
Average:
87 | 64 0.07
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 97 84 71 78 73 69 100 78 40 29.95 29.92 29.85 10 6 2 13 2 18 0.00  
2 93 82 71 75 72 69 96 78 56 29.93 29.89 29.85 10 10 7 16 3 22 0.00 Thunderstorm
3 87 80 73 78 75 72 100 89 77 29.99 29.94 29.88 10 7 3 10 7 - 0.15 Rain
4 91 80 73 77 73 70 100 90 69 30.10 30.04 29.96 10 8 0 23 6 33 1.64 Fog , Rain , Thunderstorm
5 89 80 73 79 75 72 97 85 70 30.17 30.11 30.06 10 9 2 9 4 - 0.12 Rain , Thunderstorm
6 86 78 73 77 75 72 100 86 72 30.12 30.05 29.97 10 9 5 7 2 - 0.01  
7 91 82 73 77 75 72 100 83 57 30.03 29.97 29.91 10 8 3 8 2 - 0.00 Thunderstorm
8 93 83 73 77 74 72 100 79 52 30.02 29.97 29.91 10 8 4 6 2 - 0.00  
9 86 78 73 75 72 67 94 81 58 29.97 29.90 29.82 10 9 5 13 4 - 0.01 Rain , Thunderstorm
10 86 78 69 76 72 68 100 88 70 29.89 29.84 29.79 10 8 2 14 6 18 0.02 Rain , Thunderstorm
11 82 72 63 68 63 58 97 75 49 30.00 29.95 29.88 10 9 7 10 6 18 0.00 Rain
12 84 70 55 68 59 55 97 72 37 30.08 30.03 30.00 10 10 6 8 1 - 0.00  
13 81 71 63 72 68 61 100 89 68 30.04 29.99 29.93 10 8 1 12 4 20 0.83 Rain , Thunderstorm
14 87 78 69 74 70 67 97 82 55 29.97 29.93 29.88 10 9 6 12 5 - 0.00 Rain
15 86 76 66 70 68 66 100 81 51 30.04 29.98 29.93 10 6 2 7 1 - 0.00 Rain
16 91 78 66 73 69 64 100 82 48 30.07 30.02 29.91 10 6 0 12 2 - 0.00 Fog
17 82 74 66 72 68 64 100 88 69 30.07 30.00 29.92 10 8 1 18 7 28 1.34 Thunderstorm
18 82 76 71 71 69 66 100 82 65 29.99 29.92 29.87 10 8 5 7 3 - 0.00  
19 84 73 62 70 67 60 100 86 47 29.93 29.89 29.86 10 6 1 8 3 - 0.94 Thunderstorm
20 84 72 59 67 60 56 96 73 37 29.99 29.95 29.92 10 9 5 5 2 - 0.00  
21 86 70 59 70 62 57 97 78 44 30.07 30.04 29.99 10 9 4 12 1 17 0.00  
22 88 72 57 68 61 57 100 78 37 30.14 30.10 30.05 10 8 3 5 1 - 0.00  
23 89 74 61 69 63 60 100 73 40 30.15 30.10 30.05 10 9 5 5 1 - 0.00  
24 89 75 62 69 65 62 100 77 43 30.13 30.07 30.02 10 8 4 9 1 - 0.01 Rain
25 86 74 66 75 70 66 100 86 69 30.12 30.09 30.04 10 7 1 15 4 22 0.49 Rain , Thunderstorm
26 90 76 64 72 67 64 100 85 43 30.17 30.11 30.04 10 6 1 6 1 - 0.01  
27 91 77 64 71 68 64 97 75 50 30.12 30.03 29.95 10 8 5 7 2 - 0.00 Rain
28 86 74 66 74 70 64 96 82 69 30.00 29.96 29.91 10 9 5 10 2 - 0.00 Rain
29 89 80 72 74 72 71 97 79 57 29.99 29.93 29.88 10 10 9 10 4 - 0.00 Rain
30 82 78 73 74 73 72 93 84 72 30.08 30.00 29.90 10 10 9 14 6 20 0.00 Rain
31 87 80 73 76 73 71 94 84 70 30.17 30.12 30.08 10 10 9 16 8 21 0.00 Rain , Thunderstorm