Weather History for Ellsworth AFB, SD

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 65 °F 36 °F 7 °F
Mean Temperature 52 °F 26 °F 2 °F
Min Temperature 38 °F 15 °F -4 °F
Degree Days  
Heating Degree Days (base 65) 64 39 14 1224
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 42 °F 14 °F -10 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.02 in
Snowdepth 1.0 in 1.0 in 1.0 in -
Wind  
Wind 41 mph 9 mph 0 mph
Gust Wind 52 mph 32 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 29.97 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 08, 2012 Rise Set
Actual Time 7:15 AM MST 4:13 PM MST
Civil Twilight 6:42 AM MST 4:46 PM MST
Nautical Twilight 6:05 AM MST 5:23 PM MST
Astronomical Twilight 5:30 AM MST 5:58 PM MST
Moon 1:33 AM MST (12/8) 12:53 PM MST (12/8)
Length of Visible Light 10h 04m
Length of Day
8h 58m
Waning Crescent, 27% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.02 Average Month Total: 0.31
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
61 | 36 0.00
Average:
40 | 20 0.01
Scattered Clouds
Actual:
65 | 38 0.00
Average:
40 | 20 0.01
Scattered Clouds
Actual:
61 | 28 0.00
Average:
40 | 19 0.01
Clear
Actual:
51 | 24 0.00
Average:
40 | 19 0.01
Rain
Actual:
57 | 34 0.00
Average:
40 | 19 0.01
Snow
Actual:
41 | 30 0.00
Average:
40 | 19 0.01
Snow
Actual:
33 | 20 0.01
Average:
40 | 19 0.01
Snow
Actual:
38 | 10 0.01
Average:
40 | 19 0.01
Snow
Actual:
13 | 2 0.00
Average:
40 | 19 0.01
Partly Cloudy
Actual:
35 | 0 0.00
Average:
40 | 18 0.01
Partly Cloudy
Actual:
41 | 17 0.00
Average:
40 | 18 0.01
Scattered Clouds
Actual:
54 | 25 0.00
Average:
39 | 18 0.01
Fog
Actual:
44 | 19 0.00
Average:
39 | 17 0.01
Scattered Clouds
Actual:
40 | 21 0.00
Average:
38 | 17 0.01
Partly Cloudy
Actual:
37 | 20 0.00
Average:
37 | 16 0.01
Partly Cloudy
Actual:
37 | 16 0.00
Average:
36 | 15 0.01
Partly Cloudy
Actual:
39 | 15 0.00
Average:
35 | 14 0.01
Scattered Clouds
Actual:
43 | 19 0.00
Average:
35 | 14 0.01
Partly Cloudy
Actual:
31 | 14 0.00
Average:
34 | 14 0.01
Clear
Actual:
44 | 11 0.00
Average:
34 | 14 0.01
Clear
Actual:
55 | 21 0.00
Average:
34 | 14 0.01
Scattered Clouds
Actual:
31 | 12 0.00
Average:
34 | 14 0.01
Snow
Actual:
19 | 7 0.00
Average:
34 | 14 0.01
Snow
Actual:
10 | 2 0.00
Average:
34 | 14 0.01
Snow
Actual:
7 | -4 0.00
Average:
35 | 14 0.01
Snow
Actual:
10 | -2 0.00
Average:
35 | 14 0.01
Snow
Actual:
12 | -4 0.00
Average:
35 | 14 0.01
Snow
Actual:
26 | -1 0.00
Average:
35 | 14 0.01
Scattered Clouds
Actual:
32 | 9 0.00
Average:
35 | 14 0.01
Scattered Clouds
Actual:
30 | 10 0.00
Average:
35 | 14 0.01
Scattered Clouds
Actual:
25 | 5 0.00
Average:
35 | 14 0.01
 

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 61 49 36 35 31 29 76 55 33 29.86 29.78 29.66 10 10 10 10 4 - 0.00  
2 65 52 38 32 28 21 72 41 19 29.83 29.59 29.37 10 10 10 32 10 41 0.00  
3 61 45 28 38 19 12 65 40 20 30.17 29.90 29.46 10 10 10 38 23 48 0.00  
4 51 38 24 20 18 14 68 47 26 30.32 30.17 30.05 10 10 10 21 8 30 0.00  
5 57 46 34 42 31 20 70 55 43 30.02 29.83 29.67 10 10 10 24 6 36 0.00 Rain
6 41 36 30 28 21 7 93 60 26 30.09 29.99 29.93 10 8 2 21 11 29 0.00 Rain , Snow
7 33 26 20 29 27 17 100 91 75 30.00 29.94 29.89 10 6 0 13 8 - 0.01 Fog , Snow
8 38 24 10 25 15 3 86 75 54 30.11 29.89 29.66 10 9 2 38 21 50 0.01 Rain , Snow
9 13 8 2 3 1 -4 79 71 46 30.49 30.24 30.10 10 7 2 41 30 52 0.00 Snow
10 35 18 0 21 13 -6 85 69 52 30.09 29.96 29.88 10 10 10 25 9 34 0.00  
11 41 29 17 20 15 10 84 55 29 29.95 29.81 29.64 10 10 10 17 8 - 0.00  
12 54 40 25 27 22 17 83 60 27 29.85 29.70 29.62 10 10 10 17 6 - 0.00  
13 44 32 19 30 21 18 96 85 47 30.08 29.99 29.87 10 5 0 17 7 - 0.00 Fog
14 40 30 21 26 21 16 90 73 46 29.86 29.74 29.63 10 10 10 14 4 - 0.00  
15 37 28 20 22 17 11 81 60 34 29.86 29.79 29.65 10 10 10 20 12 - 0.00  
16 37 28 16 22 18 10 89 70 49 29.82 29.74 29.64 10 10 10 16 8 - 0.00  
17 39 27 15 21 16 9 78 66 43 29.77 29.60 29.47 10 10 10 9 6 - 0.00  
18 43 31 19 28 12 2 72 45 19 29.87 29.71 29.51 10 10 10 20 12 29 0.00  
19 31 22 14 13 7 1 61 49 37 30.20 30.05 29.86 10 10 10 23 10 30 0.00  
20 44 28 11 6 3 -2 60 39 20 30.24 30.18 30.11 10 10 10 12 7 - 0.00  
21 55 38 21 17 9 3 60 38 18 30.14 30.05 29.93 10 10 10 13 6 - 0.00  
22 31 22 12 16 11 4 88 61 30 30.14 30.07 29.94 10 10 10 16 7 - 0.00  
23 19 14 7 12 10 3 93 87 73 30.18 30.02 29.94 10 5 0 21 8 26 0.00 Fog , Rain , Snow
24 10 6 2 7 3 -2 92 82 73 30.47 30.26 30.12 10 5 2 14 5 - 0.00 Snow
25 7 2 -4 1 -2 -10 85 80 72 30.59 30.48 30.27 10 8 2 12 4 - 0.00 Snow
26 10 4 -2 8 0 -8 86 83 78 30.26 30.12 29.92 10 7 1 10 3 - 0.00 Snow
27 12 4 -4 7 5 -9 85 82 76 30.26 30.03 29.95 10 8 2 18 5 - 0.00 Snow
28 26 12 -1 15 4 -6 85 75 59 30.17 30.14 30.10 10 10 2 10 4 - 0.00 Snow
29 32 20 9 20 12 4 86 72 53 30.21 30.15 30.02 10 10 10 8 6 - 0.00  
30 30 21 10 21 14 7 90 74 53 30.20 30.09 29.99 10 10 10 25 10 31 0.00  
31 25 15 5 17 10 1 92 81 70 30.24 30.20 30.14 10 10 10 10 5 - 0.00