Weather History for Brookings, SD

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature -12 °C -  
Max Temperature -8 °C -2 °C 16 °C (2000)
Min Temperature -15 °C -10 °C -27 °C (2001)
Degree Days  
Heating Degree Days 54    
Moisture  
Dew Point -14 °C    
Average Humidity 79    
Maximum Humidity 100    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 mm - - ()
Sea Level Pressure  
Sea Level Pressure 1021 hPa    
Wind  
Wind Speed 19 km/h (East)    
Max Wind Speed 32 km/h    
Max Gust Speed 40 km/h    
Visibility 15 kilometers    
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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Daily Weather History Graph

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Date:

Astronomy

Feb. 21, 2013 Rise Set
Actual Time 7:17 AM CST 6:05 PM CST
Civil Twilight 6:47 AM CST 6:34 PM CST
Nautical Twilight 6:14 AM CST 7:08 PM CST
Astronomical Twilight 5:40 AM CST 7:41 PM CST
Moon 2:15 PM CST (2/21) 4:28 AM CST (2/21)
Length of Visible Light 11h 46m
Length of Day
10h 47m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM -14.0 °C -22.5 °C -16.0 °C 85% 1024.6 hPa 16.1 km ESE 18.5 km/h / 5.1 m/s - N/A   Mostly Cloudy
12:35 AM -14.0 °C -22.5 °C -16.0 °C 85% 1024.6 hPa 16.1 km ESE 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
12:55 AM -14.0 °C -21.6 °C -17.0 °C 79% 1024.9 hPa 16.1 km ESE 14.8 km/h / 4.1 m/s - N/A   Mostly Cloudy
1:15 AM -13.0 °C -20.8 °C -16.0 °C 79% 1024.9 hPa 16.1 km SE 16.7 km/h / 4.6 m/s - N/A   Overcast
1:35 AM -13.0 °C -21.3 °C -16.0 °C 79% 1025.3 hPa 16.1 km ESE 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
1:55 AM -13.0 °C -21.3 °C -16.0 °C 79% 1025.3 hPa 16.1 km ESE 18.5 km/h / 5.1 m/s - N/A   Mostly Cloudy
2:15 AM -13.0 °C -20.8 °C -16.0 °C 79% 1024.9 hPa 16.1 km ESE 16.7 km/h / 4.6 m/s - N/A   Mostly Cloudy
2:35 AM -13.0 °C -21.3 °C -15.0 °C 85% 1024.6 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Mostly Cloudy
2:55 AM -13.0 °C -21.3 °C -15.0 °C 85% 1023.9 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Mostly Cloudy
3:15 AM -13.0 °C -21.3 °C -15.0 °C 85% 1023.6 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Partly Cloudy
3:35 AM -13.0 °C -20.8 °C -15.0 °C 85% 1023.2 hPa 16.1 km East 16.7 km/h / 4.6 m/s - N/A   Clear
3:55 AM -13.0 °C -19.8 °C -15.0 °C 85% 1023.2 hPa 16.1 km East 13.0 km/h / 3.6 m/s - N/A   Clear
4:15 AM -13.0 °C -19.8 °C -16.0 °C 79% 1022.9 hPa 16.1 km East 13.0 km/h / 3.6 m/s - N/A   Clear
4:35 AM -13.0 °C -19.8 °C -15.0 °C 85% 1022.6 hPa 16.1 km East 13.0 km/h / 3.6 m/s - N/A   Clear
4:55 AM -13.0 °C -19.2 °C -17.0 °C 73% 1021.6 hPa 16.1 km NE 11.1 km/h / 3.1 m/s - N/A   Clear
5:15 AM -14.0 °C -19.7 °C -16.0 °C 85% 1021.6 hPa 16.1 km ENE 9.3 km/h / 2.6 m/s - N/A   Clear
5:55 AM -14.0 °C -22.5 °C -16.0 °C 85% 1024.9 hPa 16.1 km SE 18.5 km/h / 5.1 m/s - N/A   Clear
6:15 AM -14.0 °C -22.1 °C -18.0 °C 72% 1024.3 hPa 16.1 km East 16.7 km/h / 4.6 m/s - N/A   Clear
6:35 AM -14.0 °C -23.0 °C -16.0 °C 85% 1023.9 hPa 16.1 km East 20.4 km/h / 5.7 m/s - N/A   Clear
6:55 AM -15.0 °C -23.3 °C -16.0 °C 92% 1023.2 hPa 16.1 km East 16.7 km/h / 4.6 m/s - N/A   Clear
7:15 AM -15.0 °C -24.2 °C -18.0 °C 78% 1022.9 hPa 16.1 km East 20.4 km/h / 5.7 m/s - N/A   Clear
7:35 AM -14.0 °C -21.0 °C -14.0 °C 100% 1023.2 hPa 16.1 km East 13.0 km/h / 3.6 m/s - N/A   Clear
7:55 AM -14.0 °C -21.6 °C -16.0 °C 85% 1022.9 hPa 16.1 km East 14.8 km/h / 4.1 m/s - N/A   Scattered Clouds
8:15 AM -13.0 °C -20.4 °C -17.0 °C 73% 1022.9 hPa 16.1 km East 14.8 km/h / 4.1 m/s - N/A   Partly Cloudy
8:35 AM -13.0 °C -19.8 °C -14.0 °C 92% 1023.2 hPa 16.1 km East 13.0 km/h / 3.6 m/s - N/A   Mostly Cloudy
8:55 AM -12.0 °C -20.0 °C -14.0 °C 85% 1022.9 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
9:15 AM -12.0 °C -20.0 °C -16.0 °C 73% 1023.2 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Clear
9:35 AM -12.0 °C -19.6 °C -14.0 °C 85% 1023.6 hPa 16.1 km East 16.7 km/h / 4.6 m/s - N/A   Clear
9:55 AM -12.0 °C -20.4 °C -14.0 °C 85% 1023.6 hPa 16.1 km East 20.4 km/h / 5.7 m/s - N/A   Clear
10:15 AM -11.0 °C -18.8 °C -14.0 °C 79% 1023.6 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Partly Cloudy
10:35 AM -11.0 °C -18.4 °C -14.0 °C 79% 1023.6 hPa 16.1 km East 16.7 km/h / 4.6 m/s - N/A   Mostly Cloudy
10:55 AM -10.0 °C -17.1 °C -13.0 °C 79% 1023.6 hPa 16.1 km East 16.7 km/h / 4.6 m/s - N/A   Scattered Clouds
11:15 AM -9.0 °C -16.3 °C -12.0 °C 79% 1023.2 hPa 16.1 km ESE 18.5 km/h / 5.1 m/s - N/A   Partly Cloudy
11:35 AM -9.0 °C -16.3 °C -12.0 °C 79% 1022.9 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
11:55 AM -8.0 °C -16.0 °C -13.0 °C 68% 1022.9 hPa 16.1 km ESE 24.1 km/h / 6.7 m/s - N/A   Mostly Cloudy
12:15 PM -8.0 °C -15.7 °C -13.0 °C 68% 1022.6 hPa 16.1 km ESE 22.2 km/h / 6.2 m/s - N/A   Scattered Clouds
12:35 PM -8.0 °C -15.4 °C -12.0 °C 73% 1022.2 hPa 16.1 km East 20.4 km/h / 5.7 m/s - N/A   Partly Cloudy
12:55 PM -8.0 °C -15.0 °C -13.0 °C 68% 1021.9 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
1:15 PM -8.0 °C -15.0 °C -13.0 °C 68% 1021.2 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Mostly Cloudy
1:35 PM -8.0 °C -15.4 °C -13.0 °C 68% 1021.2 hPa 16.1 km East 20.4 km/h / 5.7 m/s - N/A   Scattered Clouds
1:55 PM -8.0 °C -15.7 °C -12.0 °C 73% 1020.5 hPa 16.1 km ENE 22.2 km/h / 6.2 m/s - N/A   Mostly Cloudy
2:15 PM -9.0 °C -17.0 °C -13.0 °C 73% 1020.2 hPa 16.1 km ENE 22.2 km/h / 6.2 m/s - N/A   Mostly Cloudy
2:35 PM -9.0 °C -16.6 °C -12.0 °C 79% 1019.9 hPa 16.1 km ENE 20.4 km/h / 5.7 m/s - N/A   Partly Cloudy
2:55 PM -9.0 °C -17.6 °C -12.0 °C 79% 1019.9 hPa 16.1 km ENE 25.9 km/h / 7.2 m/s - N/A   Partly Cloudy
3:15 PM -9.0 °C -17.6 °C -12.0 °C 79% 1019.9 hPa 16.1 km ENE 25.9 km/h / 7.2 m/s 37.0 km/h / 10.3 m/s N/A   Scattered Clouds
3:35 PM -9.0 °C -17.0 °C -11.0 °C 86% 1019.9 hPa 16.1 km ENE 22.2 km/h / 6.2 m/s 29.6 km/h / 8.2 m/s N/A   Overcast
3:55 PM -9.0 °C -17.6 °C -13.0 °C 73% 1019.9 hPa 16.1 km ENE 25.9 km/h / 7.2 m/s 33.3 km/h / 9.3 m/s N/A   Overcast
4:15 PM -9.0 °C -18.1 °C -14.0 °C 68% 1019.9 hPa 16.1 km ENE 29.6 km/h / 8.2 m/s 38.9 km/h / 10.8 m/s N/A   Overcast
4:35 PM -9.0 °C -17.3 °C -12.0 °C 79% 1019.9 hPa 16.1 km ENE 24.1 km/h / 6.7 m/s - N/A   Overcast
4:55 PM -9.0 °C -17.3 °C -12.0 °C 79% 1019.5 hPa 16.1 km ENE 24.1 km/h / 6.7 m/s 33.3 km/h / 9.3 m/s N/A   Overcast
5:15 PM -9.0 °C -17.0 °C -12.0 °C 79% 1019.5 hPa 16.1 km ENE 22.2 km/h / 6.2 m/s - N/A   Overcast
5:35 PM -9.0 °C -17.0 °C -13.0 °C 73% 1019.2 hPa 16.1 km ENE 22.2 km/h / 6.2 m/s 27.8 km/h / 7.7 m/s N/A   Overcast
5:55 PM -9.0 °C -17.3 °C -13.0 °C 73% 1018.8 hPa 16.1 km ENE 24.1 km/h / 6.7 m/s - N/A   Overcast
6:15 PM -9.0 °C -17.9 °C -12.0 °C 79% 1018.5 hPa 16.1 km ENE 27.8 km/h / 7.7 m/s - N/A   Overcast
6:35 PM -9.0 °C -17.3 °C -13.0 °C 73% 1018.2 hPa 16.1 km ENE 24.1 km/h / 6.7 m/s 35.2 km/h / 9.8 m/s N/A   Overcast
6:55 PM -10.0 °C -19.2 °C -13.0 °C 79% 1017.8 hPa 16.1 km ENE 27.8 km/h / 7.7 m/s 40.7 km/h / 11.3 m/s N/A   Overcast
7:15 PM -10.0 °C -18.2 °C -13.0 °C 79% 1018.2 hPa 16.1 km ENE 22.2 km/h / 6.2 m/s 37.0 km/h / 10.3 m/s N/A   Overcast
7:35 PM -10.0 °C -18.9 °C -12.0 °C 86% 1018.2 hPa 16.1 km ENE 25.9 km/h / 7.2 m/s 38.9 km/h / 10.8 m/s N/A   Overcast
7:55 PM -10.0 °C -19.7 °C -13.0 °C 79% 1018.2 hPa 16.1 km ENE 31.5 km/h / 8.7 m/s 37.0 km/h / 10.3 m/s N/A   Overcast
8:15 PM -9.0 °C -17.6 °C -13.0 °C 73% 1018.2 hPa 16.1 km ENE 25.9 km/h / 7.2 m/s 33.3 km/h / 9.3 m/s N/A   Overcast
8:35 PM -9.0 °C -17.6 °C -12.0 °C 79% 1017.8 hPa 3.2 km ENE 25.9 km/h / 7.2 m/s 37.0 km/h / 10.3 m/s N/A   Overcast
8:55 PM -9.0 °C -17.0 °C -12.0 °C 79% 1017.8 hPa 3.2 km ENE 22.2 km/h / 6.2 m/s 33.3 km/h / 9.3 m/s N/A   Overcast
9:15 PM -10.0 °C -18.9 °C -11.0 °C 93% 1017.5 hPa 2.8 km NE 25.9 km/h / 7.2 m/s 35.2 km/h / 9.8 m/s N/A   Overcast
9:35 PM -9.0 °C -17.0 °C -12.0 °C 79% 1017.8 hPa 4.0 km ENE 22.2 km/h / 6.2 m/s - N/A   Overcast
9:55 PM -9.0 °C -17.6 °C -12.0 °C 79% 1017.5 hPa 3.2 km ENE 25.9 km/h / 7.2 m/s - N/A   Overcast
10:15 PM -10.0 °C -18.9 °C -12.0 °C 86% 1017.2 hPa 8.0 km NE 25.9 km/h / 7.2 m/s - N/A   Overcast
10:35 PM -9.0 °C -17.3 °C -12.0 °C 79% 1016.8 hPa 16.1 km NE 24.1 km/h / 6.7 m/s - N/A   Overcast
10:55 PM -9.0 °C -17.3 °C -12.0 °C 79% 1016.8 hPa 8.0 km ENE 24.1 km/h / 6.7 m/s - N/A   Overcast
11:15 PM -9.0 °C -16.3 °C -12.0 °C 79% 1016.5 hPa 14.5 km ENE 18.5 km/h / 5.1 m/s - N/A   Overcast
11:35 PM -9.0 °C -16.6 °C -12.0 °C 79% 1016.1 hPa 4.8 km ENE 20.4 km/h / 5.7 m/s 27.8 km/h / 7.7 m/s N/A   Overcast