Weather History for Yankton, SD

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Week of September 9, 2012 through September 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 81 °F 69 °F
Mean Temperature 82 °F 67 °F 58 °F
Min Temperature 69 °F 53 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 6 2 0 16
Cooling Degree Days (base 65) 18 5 0 33
Growing Degree Days (base 50) 32 17 8 121
Dew Point  
Dew Point 54 °F 42 °F 30 °F
Precipitation  
Precipitation 0.02 in 0.00 in 0.00 in 0.02 in
Snowdepth - - - -
Wind  
Wind 29 mph 11 mph 0 mph
Gust Wind 39 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.10 in 29.72 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 11, 2012 Rise Set
Actual Time 7:05 AM CDT 7:45 PM CDT
Civil Twilight 6:36 AM CDT 8:14 PM CDT
Nautical Twilight 6:02 AM CDT 8:47 PM CDT
Astronomical Twilight 5:27 AM CDT 9:22 PM CDT
Moon 2:18 AM CDT (9/11) 5:01 PM CDT (9/11)
Length of Visible Light 13h 37m
Length of Day
12h 40m
Waning Crescent, 21% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
9 75 58 42 45 39 36 76 49 25 30.27 30.17 30.07 10 10 10 12 7 16 0.00  
10 91 74 57 48 45 43 63 38 18 30.06 29.89 29.75 10 10 10 29 15 39 0.00  
11 96 82 69 48 45 41 40 28 18 29.89 29.76 29.72 10 10 10 24 17 30 0.00  
12 69 61 53 54 44 34 100 63 27 30.30 30.17 29.90 10 10 9 22 13 30 0.02  
13 75 60 44 54 43 30 100 61 19 30.40 30.33 30.28 10 8 0 16 5 22 0.00  
14 80 66 53 43 39 36 63 38 20 30.30 30.25 30.19 10 10 10 18 10 25 0.00  
15 84 70 55 46 39 36 63 35 19 30.19 30.10 30.00 10 10 10 22 11 30 0.00