Weather History for Rock Springs, WY

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Friday, January 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 23 °F 22 °F  
Max Temperature 36 °F 30 °F 45 °F (1975)
Min Temperature 9 °F 13 °F -21 °F (1963)
Degree Days  
Heating Degree Days 42 44  
Month to date heating degree days 957 787  
Since 1 July heating degree days 3881 4139  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 9 °F    
Average Humidity 56    
Maximum Humidity 73    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in 0.01 in 0.19 in (1980)
Month to date precipitation T 0.25  
Year to date precipitation T 0.25  
Sea Level Pressure  
Sea Level Pressure 30.41 in    
Wind  
Wind Speed 15 mph (West)    
Max Wind Speed 38 mph    
Max Gust Speed 43 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 18, 2013 Rise Set
Actual Time 7:38 AM MST 5:15 PM MST
Civil Twilight 7:08 AM MST 5:45 PM MST
Nautical Twilight 6:34 AM MST 6:19 PM MST
Astronomical Twilight 6:01 AM MST 6:52 PM MST
Moon 11:12 AM MST (1/18) 12:14 AM MST (1/18)
Length of Visible Light 10h 36m
Length of Day
9h 36m
Waxing Crescent, 48% of the Moon is Illuminated
Jan 18
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

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 18.0 °F 3.6 °F 7.0 °F 62% 30.47 in 10.0 mi West 15.0 mph - N/A   Clear
1:54 AM 14.0 °F 2.9 °F 6.1 °F 71% 30.49 in 10.0 mi NW 8.1 mph - N/A   Clear
2:54 AM 15.1 °F 5.2 °F 5.0 °F 64% 30.48 in 10.0 mi WNW 6.9 mph - N/A   Clear
3:54 AM 15.1 °F 7.7 °F 6.1 °F 68% 30.46 in 10.0 mi NW 4.6 mph - N/A   Clear
4:54 AM 19.0 °F 11.1 °F 7.0 °F 59% 30.44 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:54 AM 17.1 °F 5.0 °F 3.9 °F 56% 30.43 in 10.0 mi WSW 10.4 mph - N/A   Clear
6:54 AM 14.0 °F 1.2 °F 3.0 °F 62% 30.46 in 10.0 mi West 10.4 mph - N/A   Clear
7:54 AM 12.9 °F 6.9 °F 3.9 °F 67% 30.49 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:54 AM 19.0 °F - 6.1 °F 57% 30.47 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 23.0 °F - 5.0 °F 46% 30.48 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 27.0 °F 19.5 °F 7.0 °F 43% 30.45 in 10.0 mi West 6.9 mph - N/A   Clear
11:54 AM 30.9 °F 18.7 °F 9.0 °F 40% 30.40 in 10.0 mi WSW 19.6 mph - N/A   Clear
12:54 PM 33.1 °F 20.6 °F 10.0 °F 38% 30.37 in 10.0 mi WSW 23.0 mph - N/A   Clear
1:54 PM 35.1 °F 24.1 °F 12.0 °F 39% 30.35 in 10.0 mi West 19.6 mph - N/A   Clear
2:54 PM 35.1 °F 22.2 °F 12.9 °F 40% 30.35 in 10.0 mi West 27.6 mph 32.2 mph N/A   Clear
3:54 PM 35.1 °F 23.8 °F 14.0 °F 42% 30.33 in 10.0 mi WSW 20.7 mph - N/A   Clear
4:54 PM 34.0 °F 21.0 °F 15.1 °F 46% 30.31 in 10.0 mi WSW 26.5 mph - N/A   Clear
5:54 PM 30.9 °F 16.9 °F 15.1 °F 52% 30.35 in 10.0 mi WSW 26.5 mph - N/A   Clear
6:54 PM 30.9 °F 16.4 °F 14.0 °F 50% 30.36 in 10.0 mi WSW 28.8 mph 36.8 mph N/A   Clear
8:54 PM 30.0 °F 16.6 °F 10.9 °F 45% 30.37 in 10.0 mi SW 23.0 mph - N/A   Clear
9:54 PM 30.0 °F 15.7 °F 9.0 °F 41% 30.36 in 10.0 mi WSW 26.5 mph 33.4 mph N/A   Clear
10:54 PM 28.0 °F 16.1 °F 9.0 °F 45% 30.35 in 10.0 mi WSW 16.1 mph - N/A   Clear
11:54 PM 27.0 °F 19.5 °F 8.1 °F 45% 30.37 in 10.0 mi WNW 6.9 mph - N/A   Clear