Weather History for Charleston, SC

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 88 °F 78 °F
Mean Temperature 84 °F 81 °F 75 °F
Min Temperature 76 °F 72 °F 64 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 19 16 10 481
Growing Degree Days (base 50) 33 30 24 933
Dew Point  
Dew Point 77 °F 72 °F 60 °F
Precipitation  
Precipitation 2.32 in 0.27 in 0.00 in 7.76 in
Snowdepth - - - -
Wind  
Wind 32 mph 6 mph 0 mph
Gust Wind 40 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.24 in 30.01 in 29.83 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 21, 2012 Rise Set
Actual Time 6:47 AM EDT 7:57 PM EDT
Civil Twilight 6:22 AM EDT 8:23 PM EDT
Nautical Twilight 5:51 AM EDT 8:54 PM EDT
Astronomical Twilight 5:19 AM EDT 9:25 PM EDT
Moon 10:57 AM EDT 10:17 PM EDT
Length of Visible Light 14h 01m
Length of Day
13h 10m
Waxing Crescent, 19% of the Moon is Illuminated
Aug 21
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

Weather History Calendar

Precipitation Actual month total 7.76 Normal Month Total: 7.15
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
91 | 75 0.03
Average:
91 | 73 0.21
Thunderstorm
Actual:
94 | 73 T
Average:
91 | 73 0.21
Thunderstorm
Actual:
90 | 71 0.01
Average:
91 | 73 0.22
Partly Cloudy
Actual:
90 | 74 T
Average:
91 | 73 0.22
Thunderstorm
Actual:
90 | 75 1.17
Average:
91 | 73 0.22
Rain
Actual:
89 | 73 0.25
Average:
91 | 73 0.22
Thunderstorm
Actual:
84 | 75 0.09
Average:
90 | 73 0.22
Rain
Actual:
86 | 74 0.09
Average:
90 | 73 0.21
Thunderstorm
Actual:
90 | 72 0.04
Average:
90 | 73 0.22
Thunderstorm
Actual:
89 | 72 0.23
Average:
90 | 73 0.21
Thunderstorm
Actual:
89 | 72 0.46
Average:
90 | 73 0.22
Partly Cloudy
Actual:
90 | 74 0.00
Average:
90 | 73 0.21
Fog
Actual:
91 | 74 0.00
Average:
90 | 73 0.22
Partly Cloudy
Actual:
93 | 74 0.00
Average:
90 | 73 0.22
Partly Cloudy
Actual:
91 | 76 0.00
Average:
90 | 73 0.22
Partly Cloudy
Actual:
92 | 72 0.00
Average:
90 | 73 0.23
Thunderstorm
Actual:
92 | 70 0.84
Average:
90 | 72 0.23
Partly Cloudy
Actual:
90 | 72 0.00
Average:
89 | 72 0.23
Thunderstorm
Actual:
87 | 73 0.61
Average:
89 | 72 0.22
Rain
Actual:
88 | 74 0.01
Average:
89 | 72 0.24
Rain
Actual:
84 | 73 0.02
Average:
89 | 72 0.23
Rain
Actual:
87 | 71 0.10
Average:
89 | 72 0.26
Rain
Actual:
84 | 71 0.12
Average:
89 | 72 0.25
Rain
Actual:
83 | 68 0.08
Average:
89 | 72 0.26
Scattered Clouds
Actual:
85 | 64 0.00
Average:
89 | 72 0.26
Scattered Clouds
Actual:
88 | 66 0.00
Average:
89 | 72 0.26
Rain
Actual:
88 | 75 0.01
Average:
88 | 71 0.26
Thunderstorm
Actual:
78 | 74 2.32
Average:
88 | 71 0.25
Thunderstorm
Actual:
88 | 72 1.14
Average:
88 | 71 0.24
Rain
Actual:
83 | 72 0.14
Average:
88 | 71 0.24
Fog
Actual:
90 | 72 0.00
Average:
88 | 71 0.24
 

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 91 83 75 75 73 71 94 75 56 29.95 29.90 29.86 10 9 6 14 5 16 0.03 Rain , Thunderstorm
2 94 84 73 76 71 64 94 70 46 29.96 29.92 29.87 10 10 3 29 6 33 T Rain , Thunderstorm
3 90 81 71 77 73 69 93 73 52 30.08 30.02 29.97 10 9 5 17 7 21 0.01 Rain , Thunderstorm
4 90 82 74 75 73 70 94 77 59 30.19 30.13 30.05 10 10 10 29 7 36 T  
5 90 83 75 76 74 72 94 77 59 30.20 30.17 30.12 10 8 1 20 7 24 1.17 Rain , Thunderstorm
6 89 81 73 77 74 73 100 82 63 30.15 30.10 30.04 10 7 1 14 3 17 0.25 Fog , Rain
7 84 80 75 77 75 72 100 90 79 30.06 30.02 29.99 10 10 7 16 2 21 0.09 Rain , Thunderstorm
8 86 80 74 75 73 71 100 83 65 30.04 30.01 29.97 10 10 6 14 4 16 0.09 Rain
9 90 81 72 76 73 70 94 75 56 30.01 29.96 29.89 10 10 7 24 6 33 0.04 Rain , Thunderstorm
10 89 81 72 76 73 70 94 75 55 29.95 29.91 29.87 10 9 2 26 10 32 0.23 Rain , Thunderstorm
11 89 81 72 73 72 69 100 78 56 29.98 29.94 29.91 10 9 2 21 7 26 0.46 Rain , Thunderstorm
12 90 82 74 76 74 72 94 77 59 30.02 29.97 29.94 10 10 5 16 5 21 0.00  
13 91 83 74 76 71 63 100 71 41 30.06 30.00 29.96 10 9 7 14 5 18 0.00 Fog
14 93 84 74 75 71 65 94 70 46 30.01 29.96 29.91 10 10 10 17 7 21 0.00  
15 91 84 76 77 74 71 94 75 56 29.99 29.95 29.91 10 10 10 16 7 20 0.00  
16 92 82 72 76 71 67 93 70 47 30.04 29.99 29.96 10 10 10 13 5 16 0.00  
17 92 81 70 74 70 66 93 75 56 30.01 29.93 29.87 10 9 1 32 4 40 0.84 Rain , Thunderstorm
18 90 81 72 76 72 69 93 73 52 29.91 29.87 29.83 10 9 6 14 5 16 0.00  
19 87 80 73 77 74 70 100 82 63 29.95 29.88 29.85 10 9 1 25 7 32 0.61 Rain , Thunderstorm
20 88 81 74 74 72 69 94 75 55 29.98 29.91 29.86 10 10 10 15 7 18 0.01 Rain
21 84 79 73 73 71 68 94 77 59 30.03 30.00 29.95 10 10 7 12 3 14 0.02 Rain
22 87 79 71 72 71 68 93 74 55 30.08 30.04 30.01 10 10 7 10 4 15 0.10 Rain
23 84 78 71 73 70 68 93 79 65 30.11 30.07 30.04 10 10 7 15 4 17 0.12 Rain
24 83 76 68 70 68 64 93 74 55 30.11 30.06 30.04 10 10 8 17 9 24 0.08 Rain
25 85 75 64 66 63 60 93 69 44 30.13 30.10 30.07 10 10 7 16 6 20 0.00  
26 88 77 66 72 66 64 93 70 46 30.16 30.10 30.05 10 10 9 17 8 24 0.00  
27 88 82 75 76 74 72 94 79 63 30.08 30.04 30.01 10 10 5 18 8 23 0.01 Rain
28 78 76 74 76 74 73 94 91 88 30.05 30.00 29.96 10 8 1 13 5 15 2.32 Rain , Thunderstorm
29 88 80 72 75 73 70 100 82 63 30.08 29.98 29.94 10 9 1 23 6 28 1.14 Rain , Thunderstorm
30 83 78 72 74 72 70 100 85 69 30.17 30.09 29.98 10 10 6 9 2 12 0.14 Rain
31 90 81 72 75 73 71 100 78 56 30.24 30.18 30.14 10 9 5 12 3 15 0.00 Fog