Weather History for Rock Springs, WY

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Monday, January 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 28 °F 21 °F  
Max Temperature 39 °F 30 °F 46 °F (1981)
Min Temperature 17 °F 13 °F -19 °F (1962)
Degree Days  
Heating Degree Days 37 44  
Month to date heating degree days 1070 919  
Since 1 July heating degree days 3994 4271  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 49    
Maximum Humidity 58    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.02 in 0.14 in (1999)
Month to date precipitation T 0.30  
Year to date precipitation T 0.30  
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 18 mph (WSW)    
Max Wind Speed 30 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 21, 2013 Rise Set
Actual Time 7:37 AM MST 5:18 PM MST
Civil Twilight 7:06 AM MST 5:48 PM MST
Nautical Twilight 6:33 AM MST 6:22 PM MST
Astronomical Twilight 6:00 AM MST 6:55 PM MST
Moon 1:00 PM MST (1/21) 3:08 AM MST (1/21)
Length of Visible Light 10h 41m
Length of Day
9h 41m
Waxing Gibbous, 75% of the Moon is Illuminated
Jan 21
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 21.0 °F 7.1 °F 8.1 °F 57% 30.37 in 10.0 mi West 16.1 mph - N/A   Clear
1:54 AM 21.9 °F 9.2 °F 7.0 °F 53% 30.36 in 10.0 mi WSW 13.8 mph - N/A   Clear
2:54 AM 21.0 °F 6.2 °F 7.0 °F 55% 30.36 in 10.0 mi WSW 18.4 mph - N/A   Clear
3:54 AM 19.0 °F 6.8 °F 7.0 °F 59% 30.38 in 10.0 mi WSW 11.5 mph - N/A   Clear
4:54 AM 19.9 °F 8.6 °F 6.1 °F 55% 30.39 in 10.0 mi West 10.4 mph - N/A   Clear
5:54 AM 21.0 °F 11.4 °F 6.1 °F 53% 30.39 in 10.0 mi WSW 8.1 mph - N/A   Clear
6:54 AM 19.9 °F 4.3 °F 7.0 °F 57% 30.40 in 10.0 mi West 19.6 mph - N/A   Clear
7:54 AM 24.1 °F 10.1 °F 8.1 °F 51% 30.38 in 10.0 mi West 18.4 mph - N/A   Clear
8:54 AM 27.0 °F 18.0 °F 10.0 °F 49% 30.41 in 10.0 mi West 9.2 mph - N/A   Clear
9:54 AM 30.9 °F 20.2 °F 12.0 °F 46% 30.40 in 10.0 mi West 15.0 mph - N/A   Clear
10:54 AM 33.1 °F 20.1 °F 12.9 °F 43% 30.40 in 10.0 mi West 25.3 mph 32.2 mph N/A   Clear
11:54 AM 36.0 °F 23.7 °F 14.0 °F 41% 30.36 in 10.0 mi West 26.5 mph 33.4 mph N/A   Clear
12:54 PM 37.0 °F 26.4 °F 15.1 °F 41% 30.34 in 10.0 mi West 20.7 mph - N/A   Clear
1:54 PM 37.9 °F 27.1 °F 16.0 °F 41% 30.31 in 10.0 mi WSW 23.0 mph 29.9 mph N/A   Clear
2:54 PM 39.0 °F 28.3 °F 17.1 °F 41% 30.30 in 10.0 mi West 24.2 mph 31.1 mph N/A   Clear
3:54 PM 37.9 °F 27.3 °F 18.0 °F 45% 30.31 in 10.0 mi WSW 21.9 mph 32.2 mph N/A   Clear
4:54 PM 35.1 °F 24.1 °F 16.0 °F 46% 30.30 in 10.0 mi WSW 19.6 mph - N/A   Clear
5:54 PM 33.1 °F 23.0 °F 16.0 °F 50% 30.32 in 10.0 mi SW 15.0 mph - N/A   Clear
6:54 PM 30.9 °F 19.4 °F 15.1 °F 52% 30.34 in 10.0 mi WSW 17.3 mph - N/A   Clear
7:54 PM 28.9 °F 16.9 °F 15.1 °F 56% 30.32 in 10.0 mi West 17.3 mph - N/A   Clear
8:54 PM 28.9 °F 17.3 °F 14.0 °F 54% 30.31 in 10.0 mi West 16.1 mph - N/A   Clear
9:54 PM 28.9 °F 14.5 °F 14.0 °F 54% 30.30 in 10.0 mi WSW 25.3 mph - N/A   Clear
10:54 PM 28.0 °F 12.8 °F 12.9 °F 53% 30.30 in 10.0 mi WSW 27.6 mph - N/A   Clear
11:54 PM 26.1 °F 12.0 °F 12.0 °F 55% 30.30 in 10.0 mi WSW 20.7 mph - N/A   Clear