Weather History for Charleston, SC

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 79 °F 67 °F 53 °F
Mean Temperature 70 °F 55 °F 46 °F
Min Temperature 60 °F 43 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 19 10 0 315
Cooling Degree Days (base 65) 5 0 0 9
Growing Degree Days (base 50) 20 6 0 175
Dew Point  
Dew Point 66 °F 45 °F 23 °F
Precipitation  
Precipitation 0.29 in 0.02 in 0.00 in 0.65 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 37 mph 7 mph 0 mph
Gust Wind 52 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.23 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 10, 2011 Rise Set
Actual Time 7:11 AM EST 5:13 PM EST
Civil Twilight 6:44 AM EST 5:41 PM EST
Nautical Twilight 6:13 AM EST 6:11 PM EST
Astronomical Twilight 5:43 AM EST 6:41 PM EST
Moon 5:27 PM EST (12/10) 7:09 AM EST (12/10)
Length of Visible Light 10h 56m
Length of Day
10h 02m
Full, 100% of the Moon is Illuminated
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Weather History Calendar

Precipitation Actual month total 0.65 Normal Month Total: 3.11
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
61 | 35 0.00
Average:
66 | 43 0.09
Scattered Clouds
Actual:
66 | 31 0.00
Average:
65 | 43 0.09
Fog
Actual:
68 | 33 0.00
Average:
65 | 43 0.09
Partly Cloudy
Actual:
74 | 50 0.00
Average:
65 | 43 0.10
Rain
Actual:
77 | 56 0.02
Average:
64 | 42 0.09
Fog
Actual:
77 | 55 0.00
Average:
64 | 42 0.10
Rain
Actual:
78 | 44 0.01
Average:
64 | 42 0.08
Scattered Clouds
Actual:
57 | 37 0.00
Average:
63 | 42 0.09
Partly Cloudy
Actual:
69 | 39 0.00
Average:
63 | 41 0.09
Rain
Actual:
54 | 42 T
Average:
63 | 41 0.10
Partly Cloudy
Actual:
57 | 40 0.00
Average:
63 | 41 0.09
Rain
Actual:
53 | 42 0.02
Average:
62 | 41 0.10
Clear
Actual:
67 | 41 0.00
Average:
62 | 41 0.10
Scattered Clouds
Actual:
68 | 40 0.00
Average:
62 | 40 0.10
Fog
Actual:
75 | 45 0.00
Average:
62 | 40 0.10
Fog
Actual:
76 | 50 0.00
Average:
61 | 40 0.10
Partly Cloudy
Actual:
65 | 45 0.00
Average:
61 | 40 0.10
Scattered Clouds
Actual:
59 | 37 0.00
Average:
61 | 40 0.10
Scattered Clouds
Actual:
66 | 31 0.00
Average:
61 | 39 0.11
Partly Cloudy
Actual:
73 | 44 0.00
Average:
60 | 39 0.11
Rain
Actual:
71 | 52 0.02
Average:
60 | 39 0.10
Partly Cloudy
Actual:
79 | 60 0.00
Average:
60 | 39 0.11
Partly Cloudy
Actual:
74 | 58 T
Average:
60 | 39 0.11
Scattered Clouds
Actual:
65 | 46 0.00
Average:
60 | 39 0.11
Rain
Actual:
65 | 42 0.29
Average:
60 | 38 0.11
Fog
Actual:
59 | 42 0.00
Average:
59 | 38 0.11
Rain
Actual:
68 | 46 0.29
Average:
59 | 38 0.10
Scattered Clouds
Actual:
57 | 38 0.00
Average:
59 | 38 0.10
Scattered Clouds
Actual:
60 | 32 0.00
Average:
59 | 38 0.11
Fog
Actual:
66 | 34 0.00
Average:
59 | 38 0.11
Scattered Clouds
Actual:
71 | 42 0.00
Average:
59 | 38 0.11
 

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

2011 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 61 48 35 37 35 33 100 68 36 30.38 30.28 30.12 10 10 10 15 5 20 0.00  
2 66 49 31 41 33 23 100 60 20 30.48 30.41 30.36 10 10 6 9 3 10 0.00  
3 68 51 33 50 41 33 100 72 44 30.53 30.48 30.45 10 8 0 15 6 18 0.00 Fog
4 74 62 50 56 52 47 93 71 49 30.44 30.38 30.30 10 10 7 16 8 20 0.00  
5 77 67 56 64 59 52 100 77 54 30.28 30.21 30.17 10 8 0 20 6 23 0.02 Fog , Rain
6 77 66 55 66 61 56 100 80 60 30.17 30.12 30.04 10 8 3 16 6 24 0.00 Fog
7 78 61 44 64 55 36 100 75 50 30.06 29.89 29.71 10 9 2 37 16 52 0.01 Rain
8 57 47 37 36 32 25 85 59 32 30.31 30.24 30.08 10 10 10 21 7 29 0.00  
9 69 54 39 50 43 33 85 69 52 30.27 30.23 30.17 10 10 10 12 6 15 0.00  
10 54 48 42 49 41 33 93 74 54 30.40 30.30 30.19 10 10 9 14 7 17 T Rain
11 57 49 40 36 33 30 76 61 46 30.49 30.43 30.39 10 10 10 21 12 28 0.00  
12 53 48 42 44 39 33 89 74 58 30.47 30.41 30.37 10 10 10 16 9 24 0.02 Rain
13 67 54 41 45 41 39 93 65 37 30.45 30.40 30.35 10 10 9 12 5 16 0.00  
14 68 54 40 50 46 40 100 74 48 30.41 30.36 30.32 10 9 5 10 2 13 0.00  
15 75 60 45 55 51 45 100 75 49 30.32 30.25 30.19 10 9 6 18 5 22 0.00 Fog
16 76 63 50 57 54 50 100 73 46 30.23 30.17 30.13 10 9 2 14 6 17 0.00 Fog
17 65 55 45 56 50 43 93 75 56 30.23 30.15 30.09 10 10 10 14 6 28 0.00  
18 59 48 37 43 36 28 100 68 36 30.39 30.30 30.20 10 10 8 15 5 20 0.00  
19 66 49 31 48 40 28 100 74 48 30.38 30.32 30.26 10 10 8 13 4 17 0.00  
20 73 59 44 54 50 44 100 73 46 30.27 30.21 30.16 10 9 5 17 4 21 0.00  
21 71 62 52 63 59 52 100 85 70 30.17 30.11 30.06 10 9 5 23 8 30 0.02 Fog , Rain
22 79 70 60 64 61 58 100 74 48 30.15 30.09 30.05 10 10 10 20 10 26 0.00  
23 74 66 58 63 57 48 87 70 52 30.22 30.11 30.02 10 10 10 17 8 22 T  
24 65 56 46 47 41 37 80 60 39 30.41 30.34 30.22 10 10 10 16 7 21 0.00  
25 65 54 42 52 47 39 100 74 48 30.38 30.30 30.23 10 8 2 9 4 12 0.29 Rain
26 59 51 42 49 39 29 100 66 31 30.35 30.28 30.20 10 9 5 17 7 22 0.00 Fog
27 68 57 46 65 53 35 84 69 54 30.16 29.88 29.73 10 9 2 32 14 47 0.29 Rain
28 57 48 38 35 33 30 79 59 38 30.12 30.04 29.90 10 10 10 25 8 35 0.00  
29 60 46 32 40 33 27 89 59 28 30.17 30.11 30.06 10 10 10 13 4 15 0.00  
30 66 50 34 51 41 35 100 72 44 30.19 30.11 30.05 10 7 0 15 5 18 0.00 Fog
31 71 57 42 54 45 34 100 63 26 30.19 30.09 30.02 10 10 7 16 8 22 0.00