Weather History for Rapid City, SD

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 65 °F 38 °F 7 °F
Mean Temperature 48 °F 25 °F 0 °F
Min Temperature 34 °F 12 °F -7 °F
Degree Days  
Heating Degree Days (base 65) 65 40 17 1236
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 38 °F 14 °F -9 °F
Precipitation  
Precipitation 0.10 in 0.01 in 0.00 in 0.25 in
Snowdepth 2.0 in 0.5 in 0.0 in -
Wind  
Wind 47 mph 8 mph 0 mph
Gust Wind 60 mph 29 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 29.97 in 29.36 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 03, 2012 Rise Set
Actual Time 7:09 AM MST 4:14 PM MST
Civil Twilight 6:37 AM MST 4:47 PM MST
Nautical Twilight 6:01 AM MST 5:23 PM MST
Astronomical Twilight 5:26 AM MST 5:58 PM MST
Moon 9:09 PM MST (12/3) 10:29 AM MST (12/3)
Length of Visible Light 10h 09m
Length of Day
9h 04m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 3
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 0.25 Normal Month Total: 0.42
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
62 | 34 0.00
Average:
40 | 16 0.01
Clear
Actual:
65 | 31 0.00
Average:
39 | 15 0.02
Scattered Clouds
Actual:
63 | 29 T
Average:
39 | 15 0.01
Clear
Actual:
52 | 28 0.00
Average:
39 | 15 0.01
Rain
Actual:
62 | 29 T
Average:
38 | 14 0.01
Snow
Actual:
43 | 30 0.04
Average:
38 | 14 0.02
Snow
Actual:
33 | 19 0.04
Average:
38 | 14 0.01
Snow
Actual:
40 | 11 T
Average:
38 | 14 0.01
Snow
Actual:
15 | -1 T
Average:
37 | 14 0.01
Partly Cloudy
Actual:
37 | -2 T
Average:
37 | 13 0.02
Partly Cloudy
Actual:
42 | 12 0.00
Average:
37 | 13 0.01
Clear
Actual:
56 | 22 0.00
Average:
37 | 13 0.01
Fog
Actual:
44 | 19 0.00
Average:
37 | 13 0.01
Clear
Actual:
45 | 20 0.00
Average:
37 | 13 0.02
Partly Cloudy
Actual:
40 | 18 0.00
Average:
36 | 13 0.01
Partly Cloudy
Actual:
43 | 15 0.00
Average:
36 | 12 0.01
Partly Cloudy
Actual:
41 | 12 T
Average:
36 | 12 0.02
Clear
Actual:
44 | 16 0.00
Average:
36 | 12 0.01
Partly Cloudy
Actual:
33 | 11 0.00
Average:
36 | 12 0.02
Clear
Actual:
44 | 6 0.00
Average:
36 | 12 0.01
Clear
Actual:
54 | 15 0.00
Average:
36 | 12 0.01
Clear
Actual:
37 | 10 0.00
Average:
36 | 12 0.02
Snow
Actual:
22 | 5 T
Average:
36 | 12 0.01
Snow
Actual:
12 | 3 0.10
Average:
36 | 12 0.02
Snow
Actual:
7 | -7 0.03
Average:
36 | 12 0.01
Partly Cloudy
Actual:
11 | -7 T
Average:
36 | 12 0.02
Snow
Actual:
13 | -5 0.04
Average:
36 | 12 0.01
Partly Cloudy
Actual:
23 | -7 0.00
Average:
36 | 12 0.02
Clear
Actual:
30 | 4 0.00
Average:
36 | 12 0.01
Clear
Actual:
31 | 8 0.00
Average:
36 | 12 0.02
Scattered Clouds
Actual:
22 | 2 0.00
Average:
36 | 12 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 62 48 34 34 31 28 82 56 30 29.88 29.78 29.66 10 10 10 17 3 21 0.00  
2 65 48 31 34 28 25 82 52 22 29.85 29.62 29.36 10 10 10 26 10 33 0.00  
3 63 46 29 37 20 11 66 42 18 30.17 29.90 29.42 10 10 10 47 17 60 T  
4 52 40 28 19 18 16 63 44 24 30.31 30.17 30.04 10 10 10 26 8 30 0.00  
5 62 46 29 38 29 19 70 52 34 30.04 29.84 29.67 10 10 10 30 5 36 T Rain
6 43 37 30 28 20 10 70 49 27 30.09 30.00 29.87 10 8 1 26 9 46 0.04 Snow
7 33 26 19 28 26 18 100 89 78 30.01 29.92 29.81 10 8 1 16 5 20 0.04 Snow
8 40 26 11 26 19 3 88 74 59 30.11 29.79 29.66 10 9 2 44 18 54 T Snow
9 15 7 -1 3 -1 -5 87 69 51 30.50 30.31 30.01 10 8 3 43 18 53 T Snow
10 37 18 -2 21 12 -5 83 65 47 30.09 29.97 29.74 10 10 10 33 8 43 T  
11 42 27 12 19 14 10 92 60 28 29.96 29.82 29.65 10 10 10 17 6 22 0.00  
12 56 39 22 25 21 17 85 57 28 29.84 29.70 29.62 10 10 10 20 8 24 0.00  
13 44 32 19 29 22 17 96 73 49 30.07 29.96 29.81 10 5 0 20 8 24 0.00 Fog
14 45 33 20 26 21 15 88 67 45 29.87 29.73 29.62 10 10 10 23 4 25 0.00  
15 40 29 18 22 17 11 77 55 32 29.87 29.78 29.65 10 10 10 24 12 30 0.00  
16 43 29 15 22 18 13 92 68 44 29.83 29.75 29.63 10 10 10 22 8 25 0.00  
17 41 27 12 25 16 7 84 62 40 29.77 29.60 29.45 10 10 10 18 6 22 T  
18 44 30 16 24 11 1 88 53 18 29.87 29.72 29.54 10 10 10 22 9 26 0.00  
19 33 22 11 12 7 2 61 49 37 30.21 30.06 29.87 10 10 10 28 11 35 0.00  
20 44 25 6 7 3 -2 69 44 19 30.26 30.19 30.12 10 10 10 12 5 14 0.00  
21 54 35 15 18 9 4 61 39 16 30.17 30.06 29.93 10 10 10 14 5 15 0.00  
22 37 24 10 16 11 3 92 59 26 30.14 30.06 29.90 10 10 6 20 9 23 0.00  
23 22 14 5 13 8 3 92 80 68 30.18 30.01 29.79 10 5 1 22 9 25 T Snow
24 12 8 3 7 4 -1 88 82 76 30.47 30.17 29.93 10 4 1 20 7 24 0.10 Snow
25 7 0 -7 1 -2 -9 91 85 79 30.59 30.42 30.07 10 6 2 14 5 15 0.03 Snow
26 11 2 -7 7 0 -8 96 85 73 30.25 30.07 29.79 10 9 2 10 3 12 T  
27 13 4 -5 8 4 -8 92 84 76 30.18 30.00 29.77 10 7 2 17 9 21 0.04 Snow
28 23 8 -7 13 4 -9 91 77 62 30.20 30.16 30.12 10 10 8 6 1 7 0.00  
29 30 17 4 19 11 1 88 69 50 30.23 30.16 29.99 10 10 10 8 3 9 0.00  
30 31 20 8 21 14 6 88 71 53 30.21 30.09 29.86 10 10 6 29 12 35 0.00  
31 22 12 2 16 9 1 96 85 73 30.24 30.20 30.02 10 10 10 10 3 12 0.00