Spearfish, SD

7:39 PM MDT on August 30, 2016 (GMT -0600)
Black Hills-Ice

Weather History for KSPF - December, 2014

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Month of December, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 39 °F 0 °F
Mean Temperature 56 °F 29 °F -6 °F
Min Temperature 46 °F 19 °F -11 °F
Degree Days  
Heating Degree Days (base 65) 70 36 9 1108
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 0 0 13
Dew Point  
Dew Point 36 °F 19 °F -17 °F
Precipitation  
Precipitation 17.67 in 1.08 in 0.00 in 33.55 in
Snowdepth - - - -
Wind  
Wind 34 mph 8 mph 0 mph
Gust Wind 46 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.67 in 30.00 in 29.40 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Dec. 20, 2014 Rise Set
Actual Time 8:27 AM CST 5:17 PM CST
Civil Twilight 7:54 AM CST 5:51 PM CST
Nautical Twilight 7:17 AM CST 6:28 PM CST
Astronomical Twilight 6:42 AM CST 7:03 PM CST
Moon 6:43 AM CST (12/20) 4:33 PM CST (12/20)
Length of Visible Light 9h 56m
Length of Day
8h 49m
Waning Crescent, 2% of the Moon is Illuminated
Dec 20
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter

Daily Weather History & Observations

2014 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 39 18 -2 23 7 -11 72 60 43 30.40 30.07 29.86 10 10 10 14 4 21 0.00  
2 37 28 17 28 16 1 87 58 33 30.15 29.96 29.83 10 10 3 20 8 31 0.42 Rain , Snow , Thunderstorm
3 35 25 15 18 10 0 80 57 41 30.15 29.99 29.84 10 10 10 8 4 - 0.00  
4 53 40 26 28 23 16 87 57 35 29.93 29.85 29.80 10 10 10 10 4 - 0.00  
5 46 37 28 36 30 27 100 81 62 30.30 30.16 29.95 10 10 10 9 6 - 0.00  
6 48 38 28 36 29 25 93 72 50 30.30 30.17 30.02 10 10 10 10 3 - 0.00  
7 50 42 33 30 26 19 70 52 40 30.25 30.14 30.03 10 10 10 29 11 43 0.00 Rain
8 46 37 28 25 22 18 80 57 40 30.28 30.24 30.20 10 10 10 14 9 20 0.00  
9 55 40 26 27 23 19 80 55 26 30.20 30.10 30.03 10 10 10 12 4 - 0.00  
10 59 47 35 32 28 23 75 52 34 30.10 30.05 29.99 10 10 10 13 4 16 0.00  
11 68 52 35 32 24 18 75 38 16 29.99 29.90 29.86 10 10 5 23 5 34 0.00  
12 66 56 46 34 28 23 54 33 19 29.90 29.86 29.81 10 10 10 30 9 40 0.00  
13 66 55 41 32 28 21 70 31 18 29.80 29.75 29.70 10 10 10 31 21 44 0.00  
14 41 34 26 30 28 25 100 88 65 29.97 29.88 29.77 10 7 2 25 16 32 0.05 Rain
15 26 22 19 25 20 18 100 91 86 30.23 30.13 29.97 10 5 0 29 16 34 8.13 Rain , Snow
16 23 16 8 19 15 5 100 92 79 30.21 30.15 30.06 10 8 2 9 3 - 0.00  
17 19 14 10 18 16 9 100 94 85 30.06 29.98 29.94 7 4 0 6 2 - 0.00 Fog
18 41 26 10 28 21 7 100 75 49 30.00 29.97 29.95 10 9 3 16 4 24 0.00  
19 44 35 26 27 19 16 69 56 42 30.00 29.95 29.90 10 10 10 9 3 - 0.00  
20 46 37 28 27 23 18 80 60 40 29.94 29.88 29.75 10 10 10 13 4 17 0.00  
21 44 38 32 36 26 18 93 67 42 29.75 29.52 29.40 10 10 5 23 5 32 0.20 Rain
22 37 32 24 32 26 21 100 75 52 29.86 29.64 29.56 10 8 1 34 23 46 4.05 Rain , Snow
23 28 22 17 23 21 14 100 83 64 30.16 30.07 29.87 10 6 0 24 18 33 17.67 Rain , Snow
24 46 32 17 28 20 9 80 61 43 30.01 29.64 29.42 10 10 10 12 5 17 0.00  
25 32 24 17 28 23 16 100 94 75 29.99 29.73 29.45 10 6 0 14 6 18 2.78 Snow
26 19 12 6 18 13 1 93 88 79 30.10 30.04 29.98 10 10 6 10 6 - 0.00 Snow
27 26 17 8 14 10 3 85 66 47 30.09 30.03 29.96 10 10 10 14 6 20 0.00  
28 26 20 14 19 11 5 93 75 58 30.15 29.95 29.88 10 9 2 14 4 - 0.01 Snow
29 14 6 -2 10 -1 -9 92 85 71 30.63 30.42 30.16 10 5 2 12 7 - 0.24 Snow
30 0 -6 -11 -8 -11 -17 84 73 60 30.67 30.57 30.28 10 10 5 15 8 20 0.00 Snow
31 24 11 -2 14 3 -13 68 50 30 30.25 30.15 30.02 10 10 10 22 13 33 0.00