Weather History for Yankton, SD

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Friday, September 16, 2011

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 53 °F 73 °F 100 °F (1955)
Min Temperature 42 °F 48 °F 33 °F (1993)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 41 °F    
Average Humidity 74    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation 0.07 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 13 mph (SE)    
Max Wind Speed 21 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 16, 2011 Rise Set
Actual Time 7:10 AM CDT 7:38 PM CDT
Civil Twilight 6:41 AM CDT 8:06 PM CDT
Nautical Twilight 6:08 AM CDT 8:39 PM CDT
Astronomical Twilight 5:33 AM CDT 9:14 PM CDT
Moon 9:20 PM CDT (9/16) 11:24 AM CDT (9/16)
Length of Visible Light 13h 24m
Length of Day
12h 28m
Waning Gibbous, 84% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 42.8 °F 36.2 °F 37.4 °F 81% 30.28 in 10.0 mi SSE 12.7 mph - 0.03 in   Overcast
12:35 AM 42.8 °F 37.5 °F 37.4 °F 81% 30.28 in 10.0 mi SSE 9.2 mph - 0.05 in   Overcast
12:55 AM 42.8 °F 35.8 °F 37.4 °F 81% 30.27 in 10.0 mi SSE 13.8 mph - 0.06 in   Overcast
1:15 AM 42.8 °F 37.5 °F 37.4 °F 81% 30.27 in 10.0 mi SE 9.2 mph - N/A   Overcast
1:35 AM 42.8 °F 38.0 °F 37.4 °F 81% 30.26 in 10.0 mi SE 8.1 mph - N/A   Overcast
1:55 AM 42.8 °F 38.0 °F 37.4 °F 81% 30.26 in 10.0 mi SE 8.1 mph - N/A   Overcast
2:15 AM 42.8 °F 37.0 °F 37.4 °F 81% 30.25 in 10.0 mi SE 10.4 mph - N/A   Overcast
2:35 AM 42.8 °F 36.6 °F 37.4 °F 81% 30.25 in 10.0 mi SE 11.5 mph - N/A   Overcast
2:55 AM 42.8 °F 36.6 °F 37.4 °F 81% 30.24 in 10.0 mi SE 11.5 mph - 0.01 in   Overcast
3:35 AM 42.8 °F 36.6 °F 39.2 °F 87% 30.22 in 10.0 mi ESE 11.5 mph - N/A   Overcast
3:55 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.22 in 10.0 mi ESE 11.5 mph - N/A   Overcast
4:15 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.22 in 10.0 mi ESE 11.5 mph - N/A   Overcast
4:35 AM 44.6 °F 39.2 °F 39.2 °F 81% 30.22 in 10.0 mi ESE 10.4 mph - N/A   Overcast
5:15 AM 44.6 °F 39.2 °F 39.2 °F 81% 30.21 in 10.0 mi ESE 10.4 mph - N/A   Overcast
5:35 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.21 in 10.0 mi ESE 11.5 mph 16.1 mph N/A   Overcast
5:55 AM 44.6 °F 38.4 °F 39.2 °F 81% 30.21 in 10.0 mi ESE 12.7 mph 19.6 mph N/A   Overcast
6:15 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.20 in 10.0 mi ESE 11.5 mph 16.1 mph N/A   Overcast
6:35 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.20 in 10.0 mi ESE 11.5 mph 18.4 mph N/A   Overcast
7:35 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.21 in 10.0 mi ESE 11.5 mph 19.6 mph N/A   Overcast
8:15 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.20 in 10.0 mi ESE 11.5 mph - N/A   Overcast
8:35 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.20 in 10.0 mi ESE 11.5 mph - N/A   Overcast
8:55 AM 46.4 °F 41.5 °F 39.2 °F 76% 30.20 in 10.0 mi ESE 10.4 mph - N/A   Overcast
9:35 AM 46.4 °F 41.1 °F 39.2 °F 76% 30.20 in 10.0 mi ESE 11.5 mph - N/A   Overcast
9:55 AM 46.4 °F 41.9 °F 41.0 °F 81% 30.20 in 10.0 mi ESE 9.2 mph - N/A   Overcast
10:15 AM 48.2 °F - 41.0 °F 76% 30.19 in 10.0 mi SE 15.0 mph - N/A   Overcast
10:35 AM 48.2 °F - 41.0 °F 76% 30.19 in 10.0 mi SE 19.6 mph - N/A   Overcast
10:55 AM 50.0 °F - 41.0 °F 71% 30.18 in 10.0 mi ESE 16.1 mph 21.9 mph N/A   Overcast
11:15 AM 51.8 °F - 41.0 °F 67% 30.18 in 10.0 mi SE 17.3 mph 21.9 mph N/A   Overcast
11:35 AM 51.8 °F - 39.2 °F 62% 30.17 in 10.0 mi SE 20.7 mph - N/A   Overcast
11:55 AM 51.8 °F - 39.2 °F 62% 30.17 in 10.0 mi SE 20.7 mph - N/A   Overcast
12:15 PM 51.8 °F - 41.0 °F 67% 30.16 in 10.0 mi SE 16.1 mph 20.7 mph N/A   Overcast
12:35 PM 51.8 °F - 39.2 °F 62% 30.16 in 10.0 mi SSE 15.0 mph - N/A   Overcast
12:55 PM 51.8 °F - 41.0 °F 67% 30.16 in 10.0 mi SSE 15.0 mph 23.0 mph N/A   Overcast
1:15 PM 51.8 °F - 41.0 °F 67% 30.15 in 10.0 mi SE 18.4 mph 21.9 mph N/A   Overcast
1:35 PM 53.6 °F - 39.2 °F 58% 30.15 in 10.0 mi SE 16.1 mph - N/A   Overcast
1:55 PM 53.6 °F - 41.0 °F 62% 30.14 in 10.0 mi SE 16.1 mph - N/A   Overcast
2:15 PM 53.6 °F - 39.2 °F 58% 30.14 in 10.0 mi SE 13.8 mph 19.6 mph N/A   Overcast
2:35 PM 53.6 °F - 41.0 °F 62% 30.13 in 10.0 mi SE 13.8 mph - N/A   Overcast
2:55 PM 53.6 °F - 41.0 °F 62% 30.13 in 10.0 mi SE 12.7 mph - N/A   Overcast
3:15 PM 53.6 °F - 42.8 °F 67% 30.13 in 10.0 mi SSE 13.8 mph 19.6 mph N/A   Overcast
3:35 PM 53.6 °F - 42.8 °F 67% 30.12 in 10.0 mi SSE 16.1 mph - N/A   Overcast
3:55 PM 53.6 °F - 42.8 °F 67% 30.12 in 10.0 mi SE 15.0 mph - N/A   Overcast
4:15 PM 53.6 °F - 42.8 °F 67% 30.12 in 10.0 mi SSE 15.0 mph - N/A   Overcast
4:35 PM 51.8 °F - 42.8 °F 71% 30.12 in 10.0 mi SSE 15.0 mph - N/A   Overcast
4:55 PM 51.8 °F - 42.8 °F 71% 30.11 in 10.0 mi SSE 15.0 mph - N/A   Overcast
5:15 PM 51.8 °F - 42.8 °F 71% 30.11 in 10.0 mi SE 13.8 mph - N/A   Overcast
5:35 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi SE 17.3 mph - N/A   Overcast
5:55 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi SE 13.8 mph - N/A   Overcast
6:15 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi ESE 13.8 mph - N/A   Overcast
6:35 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi SE 12.7 mph - N/A   Overcast
6:55 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi SE 11.5 mph - N/A   Overcast
7:35 PM 51.8 °F - 42.8 °F 71% 30.09 in 10.0 mi SE 13.8 mph - N/A   Overcast
7:55 PM 51.8 °F - 42.8 °F 71% 30.09 in 10.0 mi SE 10.4 mph - N/A   Overcast
8:15 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi SE 13.8 mph - N/A   Overcast
8:35 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi SE 11.5 mph - N/A   Overcast
8:55 PM 51.8 °F - 42.8 °F 71% 30.10 in 10.0 mi ESE 15.0 mph 19.6 mph N/A   Overcast
9:35 PM 51.8 °F - 44.6 °F 76% 30.12 in 10.0 mi SE 13.8 mph 18.4 mph N/A   Overcast
9:55 PM 51.8 °F - 44.6 °F 76% 30.12 in 10.0 mi SE 12.7 mph 19.6 mph N/A   Overcast
10:15 PM 51.8 °F - 44.6 °F 76% 30.12 in 10.0 mi SE 13.8 mph 17.3 mph N/A   Overcast
10:35 PM 51.8 °F - 44.6 °F 76% 30.12 in 10.0 mi SE 11.5 mph 17.3 mph N/A   Overcast
10:55 PM 51.8 °F - 44.6 °F 76% 30.12 in 10.0 mi SE 13.8 mph - N/A   Overcast
11:15 PM 51.8 °F - 44.6 °F 76% 30.12 in 10.0 mi SE 15.0 mph - N/A   Overcast
11:55 PM 51.8 °F - 44.6 °F 76% 30.11 in 7.0 mi SE 13.8 mph - N/A   Overcast