Weather History for Sumter, SC

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 62 °F 48 °F
Mean Temperature 65 °F 51 °F 38 °F
Min Temperature 57 °F 40 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 27 14 0 436
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 15 4 0 117
Dew Point  
Dew Point 64 °F 43 °F 14 °F
Precipitation  
Precipitation 0.64 in 0.09 in 0.00 in 2.94 in
Snowdepth - - - -
Wind  
Wind 24 mph 4 mph 0 mph
Gust Wind 36 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.09 in 29.51 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:17 AM EST 5:13 PM EST
Civil Twilight 6:50 AM EST 5:40 PM EST
Nautical Twilight 6:18 AM EST 6:12 PM EST
Astronomical Twilight 5:48 AM EST 6:42 PM EST
Moon 6:21 AM EST (12/12) 4:47 PM EST (12/12)
Length of Visible Light 10h 50m
Length of Day
9h 55m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.94 Average Month Total: 3.37
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
68 | 35 0.00
Average:
62 | 37 0.08
Fog
Actual:
73 | 41 0.00
Average:
61 | 36 0.06
Fog
Actual:
75 | 44 0.00
Average:
63 | 37 0.05
Fog
Actual:
75 | 46 0.00
Average:
62 | 37 0.13
Fog
Actual:
73 | 48 0.00
Average:
61 | 34 0.03
Rain
Actual:
57 | 48 0.00
Average:
60 | 34 0.17
Mostly Cloudy
Actual:
57 | 46 0.00
Average:
61 | 34 0.09
Fog
Actual:
71 | 46 0.00
Average:
61 | 35 0.12
Fog
Actual:
75 | 46 0.00
Average:
61 | 37 0.08
Fog
Actual:
73 | 57 0.00
Average:
60 | 36 0.09
Partly Cloudy
Actual:
66 | 55 0.00
Average:
59 | 37 0.10
Rain
Actual:
55 | 41 0.38
Average:
60 | 37 0.21
Rain
Actual:
51 | 35 0.38
Average:
61 | 36 0.11
Clear
Actual:
57 | 32 0.00
Average:
59 | 37 0.03
Partly Cloudy
Actual:
59 | 32 0.00
Average:
59 | 35 0.11
Rain
Actual:
64 | 53 0.03
Average:
57 | 37 0.26
Rain
Actual:
62 | 55 0.48
Average:
57 | 34 0.14
Scattered Clouds
Actual:
64 | 39 0.00
Average:
56 | 30 0.06
Clear
Actual:
69 | 37 0.00
Average:
58 | 32 0.01
Rain
Actual:
69 | 35 0.34
Average:
58 | 34 0.04
Clear
Actual:
50 | 39 0.00
Average:
57 | 35 0.13
Clear
Actual:
55 | 28 0.00
Average:
56 | 33 0.10
Clear
Actual:
57 | 24 0.00
Average:
58 | 33 0.11
Rain
Actual:
55 | 35 0.28
Average:
57 | 37 0.10
Rain
Actual:
57 | 50 0.13
Average:
57 | 34 0.16
Thunderstorm
Actual:
68 | 39 0.28
Average:
54 | 33 0.12
Clear
Actual:
55 | 32 0.00
Average:
54 | 32 0.03
Scattered Clouds
Actual:
48 | 30 0.00
Average:
56 | 35 0.19
Rain
Actual:
53 | 39 0.64
Average:
59 | 36 0.22
Clear
Actual:
50 | 26 0.00
Average:
57 | 36 0.05
Scattered Clouds
Actual:
55 | 24 0.00
Average:
56 | 38 0.19
 

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 52 35 50 44 36 100 84 49 30.42 30.36 30.33 10 9 6 5 0 - 0.00  
2 73 57 41 57 52 41 100 86 57 30.40 30.34 30.28 10 9 0 12 1 17 0.00 Fog
3 75 60 44 64 51 45 100 86 41 30.35 30.30 30.25 10 6 0 8 1 - 0.00 Fog
4 75 60 46 64 52 46 100 86 47 30.36 30.29 30.24 10 7 0 9 1 - 0.00 Fog
5 73 60 48 59 54 46 100 79 50 30.24 30.18 30.11 10 8 0 12 4 16 0.00 Fog
6 57 52 48 54 41 37 100 66 54 30.26 30.21 30.17 10 10 10 13 8 18 0.00 Rain
7 57 52 46 52 44 37 100 75 66 30.18 30.09 30.02 10 10 5 8 5 - 0.00  
8 71 58 46 55 51 46 100 88 53 30.10 30.06 30.02 10 6 0 7 2 - 0.00 Fog
9 75 60 46 63 57 46 100 92 65 30.16 30.09 30.00 10 7 0 10 1 16 0.00 Fog
10 73 65 57 63 59 57 100 82 57 30.00 29.86 29.77 10 8 0 15 4 21 0.00 Fog
11 66 60 55 59 53 39 100 79 54 30.11 29.94 29.78 10 10 5 12 5 - 0.00  
12 55 48 41 46 42 36 100 81 54 30.27 30.20 30.10 10 8 3 16 9 22 0.38 Rain
13 51 43 35 41 39 36 100 89 62 30.37 30.31 30.22 10 8 2 16 9 22 0.38 Rain
14 57 44 32 37 34 32 100 82 38 30.40 30.32 30.24 10 10 5 5 1 - 0.00  
15 59 46 32 54 41 32 100 82 55 30.27 30.20 30.11 10 10 3 6 0 - 0.00  
16 64 58 53 63 56 54 100 98 83 30.11 30.02 29.89 8 3 0 6 1 - 0.03 Fog , Rain
17 62 58 55 63 58 55 100 100 100 29.91 29.84 29.74 10 7 2 10 5 - 0.48 Rain
18 64 52 39 59 47 36 100 76 39 29.99 29.84 29.75 10 10 3 17 8 25 0.00  
19 69 53 37 45 38 32 100 69 33 30.13 30.06 29.99 10 10 10 9 4 17 0.00  
20 69 52 35 64 48 36 100 82 45 30.13 29.92 29.62 10 9 3 24 5 32 0.34 Rain
21 50 44 39 37 26 19 62 49 37 29.97 29.83 29.73 10 10 10 24 14 36 0.00  
22 55 42 28 27 21 14 86 52 20 30.18 30.10 29.96 10 10 10 12 5 16 0.00  
23 57 40 24 32 27 19 100 61 23 30.22 30.14 30.08 10 10 10 13 2 - 0.00  
24 55 45 35 50 39 32 100 75 41 30.10 30.01 29.94 10 9 4 16 4 23 0.28 Rain
25 57 54 50 54 51 50 100 95 77 30.11 30.03 29.96 10 7 3 7 2 - 0.13 Rain
26 68 54 39 64 46 32 100 77 43 29.95 29.69 29.51 10 9 3 23 10 34 0.28 Rain , Thunderstorm
27 55 44 32 37 32 30 100 73 41 30.08 29.96 29.79 10 10 9 15 6 22 0.00  
28 48 39 30 39 34 30 100 81 54 30.19 30.10 29.96 10 10 6 7 1 - 0.00  
29 53 46 39 48 40 32 100 82 58 30.06 29.86 29.75 10 8 2 16 6 26 0.64 Rain
30 50 38 26 32 25 19 100 65 30 30.44 30.32 30.07 10 10 10 10 6 - 0.00  
31 55 40 24 43 33 25 100 72 33 30.44 30.32 30.18 10 10 8 13 3 18 0.00