Weather History for Charleston, SC

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 65 °F 50 °F
Mean Temperature 68 °F 56 °F 42 °F
Min Temperature 60 °F 46 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 24 9 0 285
Cooling Degree Days (base 65) 2 0 0 3
Growing Degree Days (base 50) 18 7 0 214
Dew Point  
Dew Point 66 °F 48 °F 14 °F
Precipitation  
Precipitation 0.86 in 0.09 in 0.00 in 2.71 in
Snowdepth - - - -
Wind  
Wind 28 mph 6 mph 0 mph
Gust Wind 38 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.09 in 29.56 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2012 Rise Set
Actual Time 7:13 AM EST 5:15 PM EST
Civil Twilight 6:46 AM EST 5:42 PM EST
Nautical Twilight 6:15 AM EST 6:13 PM EST
Astronomical Twilight 5:45 AM EST 6:43 PM EST
Moon 7:21 AM EST (12/13) 5:54 PM EST (12/13)
Length of Visible Light 10h 55m
Length of Day
10h 01m
Waxing Crescent, 0% of the Moon is Illuminated
Dec 13
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
69 | 53 0.00
Average:
- | - -
Fog
Actual:
71 | 55 0.00
Average:
- | - -
Fog
Actual:
75 | 51 0.00
Average:
- | - -
Partly Cloudy
Actual:
75 | 55 0.00
Average:
- | - -
Clear
Actual:
75 | 50 0.00
Average:
- | - -
Partly Cloudy
Actual:
62 | 53 0.00
Average:
- | - -
Mostly Cloudy
Actual:
64 | 53 0.00
Average:
- | - -
Fog
Actual:
71 | 50 0.00
Average:
- | - -
Partly Cloudy
Actual:
77 | 51 0.00
Average:
- | - -
Fog
Actual:
69 | 60 0.00
Average:
- | - -
Partly Cloudy
Actual:
73 | 60 0.00
Average:
- | - -
Rain
Actual:
62 | 46 0.53
Average:
- | - -
Rain
Actual:
50 | 42 0.05
Average:
- | - -
Partly Cloudy
Actual:
60 | 42 0.00
Average:
- | - -
Fog
Actual:
62 | 51 0.00
Average:
- | - -
Fog
Actual:
71 | 51 0.00
Average:
- | - -
Thunderstorm
Actual:
71 | 60 0.33
Average:
- | - -
Scattered Clouds
Actual:
69 | 46 0.00
Average:
- | - -
Clear
Actual:
71 | 41 0.00
Average:
- | - -
Rain
Actual:
71 | 42 0.20
Average:
- | - -
Scattered Clouds
Actual:
57 | 42 0.00
Average:
- | - -
Clear
Actual:
57 | 35 0.00
Average:
- | - -
Clear
Actual:
60 | 32 0.00
Average:
- | - -
Rain
Actual:
62 | 44 0.11
Average:
- | - -
Rain
Actual:
60 | 51 0.20
Average:
- | - -
Thunderstorm
Actual:
68 | 44 0.43
Average:
- | - -
Clear
Actual:
57 | 37 0.00
Average:
- | - -
Scattered Clouds
Actual:
57 | 35 0.00
Average:
- | - -
Rain
Actual:
66 | 42 0.86
Average:
- | - -
Clear
Actual:
51 | 32 0.00
Average:
- | - -
Scattered Clouds
Actual:
59 | 30 0.00
Average:
- | - -
 

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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 61 53 57 53 50 94 77 56 30.38 30.34 30.30 10 10 10 15 3 16 0.00  
2 71 63 55 61 57 52 100 82 60 30.39 30.33 30.29 10 9 0 9 2 - 0.00 Fog
3 75 63 51 63 57 48 100 87 61 30.34 30.30 30.26 10 6 0 8 1 - 0.00 Fog
4 75 66 55 63 58 54 94 83 53 30.36 30.29 30.26 10 10 5 9 1 - 0.00  
5 75 62 50 57 53 46 100 78 44 30.25 30.17 30.11 10 10 2 9 1 - 0.00  
6 62 58 53 55 52 45 94 79 68 30.19 30.15 30.12 10 10 10 18 7 25 0.00  
7 64 58 53 55 51 45 94 82 68 30.12 30.04 29.99 10 8 2 13 8 17 0.00  
8 71 60 50 57 53 48 100 86 53 30.11 30.06 30.02 10 6 0 6 2 - 0.00 Fog
9 77 64 51 66 60 50 94 86 69 30.15 30.08 29.99 10 9 5 7 1 - 0.00  
10 69 64 60 66 63 59 100 91 78 29.99 29.89 29.81 10 7 0 14 5 21 0.00 Fog
11 73 68 60 64 62 57 100 86 69 30.08 29.95 29.81 10 8 2 13 6 17 0.00  
12 62 54 46 57 52 45 100 91 82 30.19 30.13 30.07 10 6 2 15 6 18 0.53 Rain
13 50 46 42 46 43 41 100 88 76 30.32 30.26 30.16 10 9 1 17 11 26 0.05 Rain
14 60 51 42 46 43 37 93 75 48 30.37 30.29 30.22 10 10 7 13 7 - 0.00  
15 62 56 51 55 49 39 100 80 62 30.23 30.17 30.11 10 8 0 9 4 - 0.00 Fog
16 71 61 51 64 59 52 100 91 69 30.11 30.03 29.91 10 6 0 12 1 - 0.00 Fog
17 71 66 60 64 61 57 100 86 69 29.92 29.85 29.73 10 9 0 16 9 22 0.33 Rain , Thunderstorm
18 69 58 46 61 47 32 94 64 25 30.02 29.86 29.77 10 10 9 21 9 28 0.00  
19 71 56 41 48 39 30 93 62 22 30.14 30.08 30.02 10 10 10 14 3 16 0.00  
20 71 56 42 64 53 39 94 81 50 30.13 29.96 29.69 10 9 1 25 6 36 0.20 Rain
21 57 50 42 46 28 19 67 46 30 30.00 29.88 29.75 10 10 10 28 18 38 0.00  
22 57 46 35 32 21 14 81 43 18 30.19 30.13 29.99 10 10 7 21 12 26 0.00  
23 60 46 32 45 32 23 87 59 27 30.23 30.16 30.12 10 10 10 8 2 - 0.00  
24 62 53 44 55 45 37 94 71 39 30.14 30.04 29.97 10 10 3 14 3 22 0.11 Rain
25 60 56 51 55 54 52 100 92 77 30.09 30.01 29.94 10 7 0 10 4 - 0.20 Fog , Rain
26 68 56 44 64 51 32 100 76 49 29.92 29.72 29.56 10 7 1 28 12 38 0.43 Rain , Thunderstorm
27 57 47 37 39 34 32 93 67 41 30.09 29.99 29.84 10 10 7 22 10 30 0.00  
28 57 46 35 48 41 32 93 83 63 30.16 30.08 29.93 10 10 7 8 1 - 0.00  
29 66 54 42 64 46 32 100 77 54 30.07 29.85 29.69 10 8 0 24 9 34 0.86 Rain
30 51 42 32 32 27 21 93 60 30 30.45 30.34 30.08 10 10 10 17 9 22 0.00  
31 59 44 30 46 36 27 93 73 38 30.44 30.34 30.22 10 10 8 6 1 - 0.00