Weather History for Saint Simons Island, GA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 66 °F 53 °F
Mean Temperature 70 °F 58 °F 44 °F
Min Temperature 62 °F 49 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 21 8 0 239
Cooling Degree Days (base 65) 5 0 0 11
Growing Degree Days (base 50) 18 8 0 239
Dew Point  
Dew Point 66 °F 50 °F 18 °F
Precipitation  
Precipitation 0.86 in 0.07 in 0.00 in 1.80 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 37 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 30.10 in 29.65 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:23 AM EST 5:33 PM EST
Civil Twilight 6:57 AM EST 5:59 PM EST
Nautical Twilight 6:26 AM EST 6:29 PM EST
Astronomical Twilight 5:57 AM EST 6:59 PM EST
Moon 7:52 PM EST (12/30) 8:40 AM EST (12/30)
Length of Visible Light 11h 02m
Length of Day
10h 09m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 1.80 Normal Month Total: 2.64
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
72 | 56 0.00
Average:
66 | 49 0.08
Fog
Actual:
74 | 55 0.00
Average:
66 | 49 0.08
Fog
Actual:
71 | 57 0.00
Average:
66 | 48 0.08
Partly Cloudy
Actual:
74 | 57 0.00
Average:
65 | 48 0.08
Fog
Actual:
74 | 52 0.00
Average:
65 | 48 0.08
Rain
Actual:
67 | 60 T
Average:
65 | 48 0.08
Fog
Actual:
65 | 53 0.00
Average:
65 | 47 0.08
Fog
Actual:
63 | 52 0.00
Average:
64 | 47 0.08
Fog
Actual:
73 | 56 T
Average:
64 | 47 0.08
Fog
Actual:
78 | 61 0.00
Average:
64 | 47 0.09
Rain
Actual:
72 | 62 0.13
Average:
64 | 46 0.08
Thunderstorm
Actual:
63 | 55 0.86
Average:
63 | 46 0.08
Rain
Actual:
57 | 46 0.01
Average:
63 | 46 0.08
Partly Cloudy
Actual:
59 | 49 0.00
Average:
63 | 46 0.09
Rain
Actual:
63 | 54 T
Average:
63 | 45 0.08
Fog
Actual:
72 | 57 0.00
Average:
63 | 45 0.09
Rain
Actual:
74 | 61 0.04
Average:
62 | 45 0.08
Partly Cloudy
Actual:
70 | 48 0.00
Average:
62 | 45 0.10
Clear
Actual:
66 | 40 0.00
Average:
62 | 45 0.09
Rain
Actual:
69 | 47 0.15
Average:
62 | 44 0.09
Clear
Actual:
58 | 43 0.00
Average:
62 | 44 0.10
Clear
Actual:
57 | 36 0.00
Average:
62 | 44 0.09
Clear
Actual:
61 | 32 0.00
Average:
61 | 44 0.10
Rain
Actual:
65 | 45 T
Average:
61 | 44 0.09
Rain
Actual:
65 | 51 T
Average:
61 | 44 0.08
Rain
Actual:
70 | 42 0.11
Average:
61 | 43 0.09
Clear
Actual:
57 | 38 0.00
Average:
61 | 43 0.08
Rain
Actual:
57 | 35 T
Average:
61 | 43 0.09
Rain
Actual:
67 | 43 0.50
Average:
61 | 43 0.08
Clear
Actual:
53 | 35 0.00
Average:
61 | 43 0.08
Scattered Clouds
Actual:
60 | 35 0.00
Average:
61 | 43 0.09
 

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 72 64 56 59 58 54 93 77 61 30.34 30.29 30.26 10 10 9 16 9 23 0.00  
2 74 65 55 60 59 55 100 81 61 30.35 30.30 30.27 10 8 0 13 5 25 0.00 Fog
3 71 64 57 62 58 55 100 83 66 30.34 30.29 30.26 10 6 0 10 3 17 0.00 Fog
4 74 66 57 61 58 55 100 77 53 30.35 30.28 30.25 10 9 1 7 2 15 0.00  
5 74 63 52 60 54 51 100 79 57 30.25 30.20 30.11 10 4 0 12 4 15 0.00 Fog
6 67 64 60 61 58 56 90 79 68 30.13 30.09 30.06 10 9 7 21 11 28 T Rain
7 65 59 53 56 54 52 100 89 78 30.08 30.03 29.99 10 6 0 18 6 25 0.00 Fog
8 63 58 52 61 56 51 100 92 84 30.10 30.06 30.02 10 5 0 9 2 12 0.00 Fog
9 73 65 56 65 60 55 100 89 78 30.13 30.07 30.01 10 6 0 10 2 - T Fog
10 78 70 61 66 63 56 100 75 50 30.01 29.93 29.82 10 5 0 13 7 28 0.00 Fog
11 72 67 62 66 64 58 100 92 84 30.07 29.95 29.83 10 9 2 10 4 15 0.13 Rain
12 63 59 55 58 55 51 100 92 84 30.15 30.11 30.06 10 6 1 17 8 28 0.86 Rain , Thunderstorm
13 57 52 46 54 47 43 96 91 86 30.31 30.23 30.12 10 6 2 17 10 22 0.01 Rain
14 59 54 49 49 47 45 93 80 67 30.35 30.26 30.20 10 9 4 16 8 26 0.00  
15 63 59 54 58 54 45 100 81 62 30.21 30.15 30.09 10 8 0 10 5 18 T Fog , Rain
16 72 65 57 63 59 55 100 87 73 30.10 30.04 29.95 10 6 0 9 3 12 0.00 Fog
17 74 68 61 64 61 58 93 81 68 29.94 29.88 29.81 10 10 2 18 6 26 0.04 Rain
18 70 59 48 63 52 34 100 65 29 30.04 29.90 29.82 10 10 10 18 7 26 0.00  
19 66 53 40 50 43 36 89 63 37 30.14 30.10 30.05 10 10 10 10 2 18 0.00  
20 69 58 47 64 53 44 100 87 73 30.11 29.98 29.78 10 8 1 22 8 33 0.15 Rain
21 58 51 43 41 26 19 59 43 26 30.13 30.02 29.90 10 10 10 23 13 33 0.00  
22 57 47 36 30 23 18 54 39 24 30.26 30.21 30.14 10 10 10 15 8 21 0.00  
23 61 47 32 41 31 22 89 57 24 30.28 30.20 30.16 10 10 10 7 4 26 0.00  
24 65 55 45 56 46 35 93 68 43 30.14 30.04 29.95 10 10 10 13 4 17 T Rain
25 65 58 51 59 56 52 100 90 80 30.04 29.98 29.88 10 10 7 12 4 16 T Rain
26 70 56 42 64 52 32 93 73 52 29.96 29.77 29.65 10 9 1 26 13 37 0.11 Rain
27 57 48 38 39 34 31 82 63 43 30.10 30.04 29.96 10 10 10 17 7 26 0.00  
28 57 46 35 55 42 33 100 82 63 30.15 30.06 29.91 10 9 4 7 2 21 T Rain
29 67 55 43 65 52 29 100 79 58 30.17 29.90 29.76 10 9 2 21 11 28 0.50 Rain
30 53 44 35 34 29 25 85 60 35 30.43 30.35 30.18 10 10 10 21 6 28 0.00  
31 60 48 35 48 41 32 100 79 57 30.42 30.32 30.23 10 8 2 12 4 14 0.00