Weather History for Mount Pleasant, SC

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 65 °F 48 °F
Mean Temperature 66 °F 55 °F 42 °F
Min Temperature 60 °F 45 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 24 10 0 315
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 16 6 0 192
Dew Point  
Dew Point 68 °F 48 °F 18 °F
Precipitation  
Precipitation 2.50 in 0.19 in 0.00 in 5.86 in
Snowdepth - - - -
Wind  
Wind 25 mph 5 mph 0 mph
Gust Wind 41 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.09 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:16 AM EST 5:15 PM EST
Civil Twilight 6:49 AM EST 5:42 PM EST
Nautical Twilight 6:18 AM EST 6:13 PM EST
Astronomical Twilight 5:48 AM EST 6:43 PM EST
Moon 11:12 AM EST (12/18) 11:21 PM EST (12/18)
Length of Visible Light 10h 53m
Length of Day
9h 59m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
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:
68 | 44 0.00
Average:
- | - -
Partly Cloudy
Actual:
71 | 48 0.00
Average:
- | - -
Fog
Actual:
75 | 48 0.00
Average:
- | - -
Partly Cloudy
Actual:
75 | 55 0.00
Average:
- | - -
Clear
Actual:
75 | 48 0.00
Average:
- | - -
Partly Cloudy
Actual:
64 | 51 0.00
Average:
- | - -
Fog
Actual:
62 | 51 0.00
Average:
- | - -
Fog
Actual:
69 | 53 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 51 0.00
Average:
- | - -
Thunderstorm
Actual:
71 | 60 0.00
Average:
- | - -
Rain
Actual:
71 | 60 0.00
Average:
- | - -
Rain
Actual:
60 | 46 0.70
Average:
- | - -
Rain
Actual:
48 | 42 0.03
Average:
- | - -
Partly Cloudy
Actual:
62 | 39 0.00
Average:
- | - -
Fog
Actual:
62 | 48 0.00
Average:
- | - -
Fog
Actual:
73 | 51 0.00
Average:
- | - -
Thunderstorm
Actual:
68 | 60 0.34
Average:
- | - -
Scattered Clouds
Actual:
68 | 42 0.00
Average:
- | - -
Clear
Actual:
69 | 37 0.00
Average:
- | - -
Rain
Actual:
71 | 39 0.82
Average:
- | - -
Scattered Clouds
Actual:
57 | 42 0.00
Average:
- | - -
Clear
Actual:
57 | 35 0.00
Average:
- | - -
Clear
Actual:
57 | 32 0.00
Average:
- | - -
Scattered Clouds
Actual:
64 | 42 0.00
Average:
- | - -
Rain
Actual:
60 | 50 0.35
Average:
- | - -
Thunderstorm
Actual:
68 | 42 1.12
Average:
- | - -
Clear
Actual:
55 | 35 0.00
Average:
- | - -
Scattered Clouds
Actual:
57 | 33 0.00
Average:
- | - -
Rain
Actual:
66 | 42 2.50
Average:
- | - -
Clear
Actual:
51 | 32 0.00
Average:
- | - -
Scattered Clouds
Actual:
60 | 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 68 56 44 57 52 45 100 86 56 30.39 30.34 30.31 10 8 4 7 1 - 0.00  
2 71 60 48 61 56 48 100 87 64 30.39 30.33 30.29 10 8 2 7 1 - 0.00  
3 75 62 48 63 56 48 100 90 61 30.34 30.30 30.26 10 6 0 10 1 - 0.00 Fog
4 75 65 55 63 59 55 100 86 57 30.36 30.29 30.25 10 9 5 10 1 - 0.00  
5 75 62 48 59 54 48 100 81 44 30.25 30.18 30.11 10 9 2 7 1 - 0.00  
6 64 58 51 54 50 45 88 76 68 30.20 30.16 30.13 10 10 9 9 6 16 0.00  
7 62 56 51 57 52 45 100 86 76 30.13 30.05 29.99 10 7 0 9 5 - 0.00 Fog
8 69 61 53 59 55 54 100 92 64 30.10 30.06 30.01 10 4 0 8 3 - 0.00 Fog
9 78 64 51 66 60 52 100 90 65 30.15 30.07 29.99 10 7 2 7 1 - 0.00  
10 71 66 60 68 63 59 100 90 64 29.98 29.89 29.81 10 6 0 16 4 22 0.00 Fog , Thunderstorm
11 71 66 60 66 63 57 100 89 78 30.07 29.94 29.80 10 7 2 10 6 - 0.00 Rain
12 60 53 46 59 53 45 100 95 88 30.21 30.14 30.06 10 6 1 10 4 21 0.70 Rain
13 48 45 42 45 44 41 100 94 87 30.32 30.25 30.16 10 9 2 12 8 21 0.03 Rain
14 62 50 39 45 42 37 100 81 48 30.37 30.29 30.22 10 9 6 8 5 - 0.00  
15 62 55 48 57 50 41 100 86 72 30.24 30.17 30.11 10 7 0 7 2 - 0.00 Fog
16 73 62 51 64 60 52 100 93 69 30.11 30.02 29.91 10 7 0 12 2 - 0.00 Fog
17 68 64 60 64 62 57 100 91 82 29.91 29.84 29.73 10 9 1 12 7 20 0.34 Rain , Thunderstorm
18 68 55 42 61 48 34 100 69 30 30.01 29.85 29.77 10 10 8 20 7 25 0.00  
19 69 53 37 48 39 32 100 71 25 30.13 30.07 30.01 10 10 10 13 3 - 0.00  
20 71 55 39 64 53 39 100 86 53 30.13 29.95 29.67 10 8 1 25 6 39 0.82 Rain
21 57 50 42 46 30 23 67 50 35 29.99 29.86 29.73 10 10 10 24 16 38 0.00  
22 57 46 35 32 23 18 87 48 21 30.19 30.12 29.98 10 10 10 16 9 26 0.00  
23 57 44 32 43 32 27 93 62 33 30.22 30.15 30.11 10 10 10 8 2 - 0.00  
24 64 53 42 54 44 37 94 70 37 30.14 30.03 29.93 10 10 9 13 3 17 0.00  
25 60 55 50 55 54 50 100 91 77 30.09 30.01 29.95 10 9 0 8 2 20 0.35 Fog , Rain
26 68 56 42 64 53 32 100 80 49 29.93 29.71 29.54 10 7 0 21 10 41 1.12 Rain , Thunderstorm
27 55 45 35 41 35 32 100 72 44 30.08 29.97 29.83 10 10 5 17 9 25 0.00  
28 57 45 33 48 42 34 100 88 67 30.16 30.08 29.94 10 8 3 6 1 - 0.00  
29 66 55 42 64 47 32 100 80 58 30.06 29.84 29.69 10 8 0 21 7 29 2.50 Rain
30 51 42 32 32 29 23 100 65 33 30.45 30.37 30.07 10 10 6 13 7 21 0.00  
31 60 45 30 46 37 28 100 81 44 30.44 30.34 30.21 10 9 5 8 0 - 0.00