Weather History for Spearfish, SD

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 61 °F 39 °F
Mean Temperature 73 °F 50 °F 32 °F
Min Temperature 59 °F 40 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 32 15 0 480
Cooling Degree Days (base 65) 8 1 0 28
Growing Degree Days (base 50) 23 4 0 119
Dew Point  
Dew Point 52 °F 31 °F 9 °F
Precipitation  
Precipitation 0.83 in 0.22 in 0.00 in 6.94 in
Snowdepth - - - -
Wind  
Wind 39 mph 8 mph 0 mph
Gust Wind 66 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 29.99 in 29.35 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 13, 2011 Rise Set
Actual Time 8:07 AM CDT 7:14 PM CDT
Civil Twilight 7:38 AM CDT 7:43 PM CDT
Nautical Twilight 7:04 AM CDT 8:17 PM CDT
Astronomical Twilight 6:30 AM CDT 8:51 PM CDT
Moon 7:44 PM CDT (10/13) 9:47 AM CDT (10/13)
Length of Visible Light 12h 05m
Length of Day
11h 07m
Full, 98% of the Moon is Illuminated
Oct 13
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
89 | 55 0.00
Average:
- | - -
Rain
Actual:
87 | 57 0.00
Average:
- | - -
Rain
Actual:
82 | 55 0.00
Average:
- | - -
Rain
Actual:
87 | 59 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 55 0.00
Average:
- | - -
Thunderstorm
Actual:
68 | 53 0.09
Average:
- | - -
Partly Cloudy
Actual:
57 | 44 0.00
Average:
- | - -
Rain
Actual:
48 | 42 0.36
Average:
- | - -
Rain
Actual:
48 | 41 0.00
Average:
- | - -
Scattered Clouds
Actual:
62 | 35 0.00
Average:
- | - -
Scattered Clouds
Actual:
66 | 39 0.00
Average:
- | - -
Rain
Actual:
59 | 42 0.03
Average:
- | - -
Clear
Actual:
57 | 39 0.00
Average:
- | - -
Mostly Cloudy
Actual:
46 | 39 0.00
Average:
- | - -
Partly Cloudy
Actual:
68 | 33 0.00
Average:
- | - -
Partly Cloudy
Actual:
51 | 35 0.00
Average:
- | - -
Rain
Actual:
50 | 35 0.22
Average:
- | - -
Rain
Actual:
51 | 35 0.63
Average:
- | - -
Rain
Actual:
55 | 32 0.71
Average:
- | - -
Rain
Actual:
66 | 32 0.70
Average:
- | - -
Rain
Actual:
57 | 39 0.83
Average:
- | - -
Rain
Actual:
62 | 41 0.78
Average:
- | - -
Rain
Actual:
59 | 44 0.78
Average:
- | - -
Rain
Actual:
60 | 35 0.75
Average:
- | - -
Rain
Actual:
46 | 33 0.81
Average:
- | - -
Rain
Actual:
39 | 26 0.25
Average:
- | - -
Partly Cloudy
Actual:
50 | 28 0.00
Average:
- | - -
Partly Cloudy
Actual:
50 | 33 0.00
Average:
- | - -
Scattered Clouds
Actual:
59 | 32 0.00
Average:
- | - -
Clear
Actual:
51 | 35 0.00
Average:
- | - -
Scattered Clouds
Actual:
68 | 37 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

2011 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 89 72 55 41 34 32 41 27 14 30.08 30.05 30.03 10 10 10 18 4 24 0.00  
2 87 72 57 45 36 28 38 25 18 30.05 30.00 29.95 10 10 10 17 7 22 0.00 Rain
3 82 68 55 45 41 37 55 39 23 30.12 30.06 30.03 10 10 10 10 7 - 0.00 Rain
4 87 73 59 46 38 32 51 31 14 30.01 29.84 29.75 10 10 10 14 7 18 0.00 Rain
5 78 66 55 45 41 37 51 38 28 29.75 29.66 29.56 10 10 10 18 8 23 0.00  
6 68 60 53 52 46 41 94 59 40 29.55 29.52 29.49 10 10 4 22 11 36 0.09 Rain , Thunderstorm
7 57 50 44 45 35 28 87 56 47 29.79 29.50 29.35 10 10 10 39 19 66 0.00  
8 48 45 42 45 42 39 100 89 71 30.22 30.09 29.88 10 6 1 14 10 18 0.36 Rain
9 48 44 41 41 40 39 100 89 71 30.26 30.18 30.03 10 10 10 8 3 - 0.00 Rain
10 62 48 35 41 36 30 100 68 31 29.96 29.85 29.80 10 10 10 15 5 25 0.00  
11 66 52 39 39 33 30 75 46 28 29.79 29.72 29.69 10 10 7 17 7 25 0.00  
12 59 50 42 43 32 27 82 49 31 30.02 29.96 29.82 10 10 8 26 13 37 0.03 Rain
13 57 48 39 28 27 25 61 45 29 30.03 30.00 29.97 10 10 10 24 11 33 0.00  
14 46 42 39 30 27 23 61 53 46 30.13 30.09 30.04 10 10 10 12 8 16 0.00  
15 68 50 33 39 35 30 87 61 33 30.04 29.92 29.81 10 10 10 15 6 26 0.00  
16 51 43 35 36 28 19 87 55 32 30.17 30.10 30.00 10 10 10 15 9 21 0.00  
17 50 42 35 37 31 25 93 71 40 30.25 30.13 29.97 10 9 3 18 7 26 0.22 Rain
18 51 43 35 27 23 18 60 46 28 30.33 30.29 30.25 10 10 10 24 10 32 0.63 Rain
19 55 44 32 28 26 23 69 52 33 30.26 30.12 29.97 10 10 10 17 6 20 0.71 Rain
20 66 49 32 32 28 25 80 49 28 30.01 29.96 29.93 10 10 10 16 5 22 0.70 Rain
21 57 48 39 46 36 32 100 66 44 30.18 30.12 30.03 10 10 2 12 6 17 0.83 Rain
22 62 52 41 39 37 32 93 58 34 30.15 30.08 30.03 10 10 10 17 7 28 0.78 Rain
23 59 52 44 45 34 28 76 51 33 30.06 30.02 29.98 10 10 5 23 9 34 0.78 Rain
24 60 48 35 37 34 30 87 65 39 30.08 29.94 29.80 10 10 10 17 7 23 0.75 Rain
25 46 40 33 36 30 21 100 74 39 30.25 30.10 29.92 10 9 3 21 8 30 0.81 Rain
26 39 32 26 27 25 23 86 77 52 30.27 30.23 30.14 10 10 10 10 7 - 0.25 Rain
27 50 39 28 19 16 9 64 42 28 30.14 30.04 30.00 10 10 10 17 7 23 0.00  
28 50 42 33 21 18 14 56 40 26 30.22 30.16 30.03 10 10 10 16 7 23 0.00  
29 59 46 32 36 19 10 76 40 20 30.05 29.89 29.79 10 10 10 28 6 43 0.00  
30 51 43 35 25 21 18 60 42 26 30.12 30.07 29.97 10 10 10 21 12 28 0.00  
31 68 52 37 32 26 21 56 33 23 29.97 29.88 29.79 10 10 10 13 3 21 0.00