Weather History for Spearfish, SD

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 54 °F 30 °F
Mean Temperature 64 °F 45 °F 26 °F
Min Temperature 53 °F 35 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 38 20 1 632
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 2 0 61
Dew Point  
Dew Point 46 °F 30 °F 9 °F
Precipitation  
Precipitation 3.85 in 0.25 in 0.00 in 7.74 in
Snowdepth - - - -
Wind  
Wind 39 mph 9 mph 0 mph
Gust Wind 51 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.00 in 29.38 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 30, 2012 Rise Set
Actual Time 8:30 AM CDT 6:46 PM CDT
Civil Twilight 8:00 AM CDT 7:16 PM CDT
Nautical Twilight 7:26 AM CDT 7:50 PM CDT
Astronomical Twilight 6:52 AM CDT 8:24 PM CDT
Moon 7:13 PM CDT (10/30) 9:22 AM CDT (10/30)
Length of Visible Light 11h 16m
Length of Day
10h 15m
Full, 99% of the Moon is Illuminated
Oct 30
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter
Nov 28
Full

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
66 | 42 0.00
Average:
- | - -
Clear
Actual:
80 | 48 0.00
Average:
- | - -
Snow
Actual:
50 | 32 0.64
Average:
- | - -
Snow
Actual:
41 | 32 0.39
Average:
- | - -
Snow
Actual:
39 | 28 0.06
Average:
- | - -
Snow
Actual:
41 | 23 0.26
Average:
- | - -
Scattered Clouds
Actual:
55 | 32 0.00
Average:
- | - -
Rain
Actual:
53 | 37 0.62
Average:
- | - -
Snow
Actual:
41 | 32 1.32
Average:
- | - -
Scattered Clouds
Actual:
66 | 33 0.00
Average:
- | - -
Partly Cloudy
Actual:
46 | 30 0.00
Average:
- | - -
Clear
Actual:
66 | 32 0.00
Average:
- | - -
Rain
Actual:
68 | 50 0.00
Average:
- | - -
Scattered Clouds
Actual:
64 | 48 0.00
Average:
- | - -
Scattered Clouds
Actual:
73 | 53 0.00
Average:
- | - -
Rain
Actual:
66 | 46 0.59
Average:
- | - -
Rain
Actual:
48 | 35 0.00
Average:
- | - -
Rain
Actual:
48 | 35 0.00
Average:
- | - -
Clear
Actual:
68 | 32 0.00
Average:
- | - -
Clear
Actual:
75 | 39 0.00
Average:
- | - -
Rain
Actual:
46 | 41 0.00
Average:
- | - -
Rain
Actual:
50 | 35 0.00
Average:
- | - -
Rain
Actual:
48 | 37 0.01
Average:
- | - -
Snow
Actual:
37 | 28 3.85
Average:
- | - -
Mostly Cloudy
Actual:
30 | 23 0.00
Average:
- | - -
Partly Cloudy
Actual:
32 | 23 0.00
Average:
- | - -
Scattered Clouds
Actual:
41 | 23 0.00
Average:
- | - -
Partly Cloudy
Actual:
48 | 26 0.00
Average:
- | - -
Scattered Clouds
Actual:
62 | 39 0.00
Average:
- | - -
Clear
Actual:
60 | 39 0.00
Average:
- | - -
Scattered Clouds
Actual:
66 | 39 0.00
Average:
- | - -
 

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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 66 54 42 45 33 25 87 51 21 30.35 30.23 29.98 10 10 5 13 5 - 0.00  
2 80 64 48 30 29 27 44 26 16 29.97 29.85 29.80 10 10 6 20 9 28 0.00  
3 50 41 32 37 33 30 100 77 47 30.33 30.04 29.79 10 8 1 24 10 34 0.64 Rain , Snow
4 41 36 32 32 28 25 100 78 56 30.38 30.35 30.32 10 9 2 20 11 28 0.39 Rain , Snow
5 39 34 28 28 25 19 93 73 45 30.36 30.34 30.31 10 10 2 8 2 - 0.06 Snow
6 41 32 23 28 20 14 100 66 33 30.38 30.32 30.17 10 9 0 13 5 17 0.26 Fog , Snow
7 55 44 32 32 23 10 57 43 31 30.17 30.01 29.89 10 10 10 22 13 29 0.00  
8 53 45 37 41 33 23 100 59 30 29.95 29.87 29.82 10 8 3 17 13 26 0.62 Rain
9 41 36 32 36 31 28 100 85 65 30.13 30.07 29.95 10 8 1 22 12 30 1.32 Rain , Snow
10 66 50 33 34 29 25 87 49 24 30.10 29.98 29.87 10 10 5 23 9 32 0.00  
11 46 38 30 34 31 27 93 81 57 30.28 30.21 30.04 10 9 7 14 6 - 0.00  
12 66 49 32 36 32 28 93 67 32 30.17 29.95 29.76 10 10 5 9 5 - 0.00  
13 68 59 50 41 34 30 54 40 24 30.06 29.87 29.72 10 10 5 22 9 30 0.00 Rain
14 64 56 48 37 34 32 58 46 30 30.13 30.07 30.00 10 10 10 20 12 33 0.00  
15 73 63 53 39 30 25 58 31 18 30.00 29.86 29.77 10 10 8 18 10 24 0.00  
16 66 56 46 46 38 32 93 54 30 29.83 29.60 29.38 10 9 4 22 11 38 0.59 Rain
17 48 42 35 32 23 18 81 49 34 29.87 29.73 29.57 10 10 10 34 25 50 0.00 Rain
18 48 42 35 23 16 9 52 38 22 30.08 30.00 29.87 10 10 10 39 28 51 0.00 Rain
19 68 50 32 32 23 14 50 38 23 30.04 29.86 29.72 10 10 8 10 6 - 0.00  
20 75 57 39 36 30 25 71 39 21 29.72 29.64 29.55 10 10 9 14 4 21 0.00  
21 46 44 41 39 35 32 87 72 57 29.97 29.90 29.72 10 10 5 16 7 - 0.00 Rain
22 50 42 35 41 38 36 100 84 62 29.95 29.82 29.63 10 10 3 25 9 33 0.00 Rain
23 48 42 37 43 38 34 100 90 71 29.91 29.74 29.59 10 9 0 17 7 24 0.01 Fog , Rain
24 37 32 28 37 31 27 100 95 86 30.10 30.00 29.89 10 6 0 12 5 - 3.85 Rain , Snow
25 30 26 23 27 23 19 100 91 80 30.34 30.21 30.10 10 9 2 14 10 20 0.00  
26 32 28 23 27 21 18 93 80 60 30.38 30.30 30.13 10 10 3 17 8 23 0.00  
27 41 32 23 28 24 19 93 73 49 30.12 30.08 30.05 10 10 9 8 3 - 0.00  
28 48 37 26 34 28 23 86 67 46 30.08 29.98 29.91 10 10 4 10 3 - 0.00  
29 62 50 39 41 34 32 75 57 32 30.00 29.98 29.95 10 10 6 9 3 - 0.00  
30 60 50 39 37 35 32 87 59 36 30.10 30.05 30.00 10 10 2 13 5 22 0.00  
31 66 52 39 36 33 28 81 49 28 30.11 30.05 30.01 10 10 6 16 4 24 0.00