Weather History for Rock Springs, WY

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Wednesday, January 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 6 °F 21 °F  
Max Temperature 15 °F 30 °F 49 °F (1981)
Min Temperature -3 °F 12 °F -26 °F (1974)
Degree Days  
Heating Degree Days 59 44  
Month to date heating degree days 115 88  
Since 1 July heating degree days 3039 3440  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 1 °F    
Average Humidity 81    
Maximum Humidity 95    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in 0.02 in 0.14 in (1971)
Month to date precipitation 0.00 0.03  
Year to date precipitation 0.00 0.03  
Sea Level Pressure  
Sea Level Pressure 30.50 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 14 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 02, 2013 Rise Set
Actual Time 7:43 AM MST 4:58 PM MST
Civil Twilight 7:11 AM MST 5:29 PM MST
Nautical Twilight 6:37 AM MST 6:04 PM MST
Astronomical Twilight 6:03 AM MST 6:37 PM MST
Moon 10:38 PM MST (1/2) 10:22 AM MST (1/2)
Length of Visible Light 10h 17m
Length of Day
9h 14m
Waning Gibbous, 74% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 9.0 °F -3.2 °F 3.9 °F 80% 30.43 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
1:54 AM 7.0 °F -5.7 °F 1.9 °F 80% 30.43 in 10.0 mi WSW 8.1 mph - N/A   Clear
2:54 AM 5.0 °F -10.0 °F 1.0 °F 84% 30.43 in 10.0 mi WSW 10.4 mph - N/A   Clear
3:54 AM 3.9 °F -11.3 °F -0.0 °F 84% 30.43 in 10.0 mi SW 10.4 mph - N/A   Clear
4:54 AM 1.9 °F -14.7 °F -2.0 °F 83% 30.45 in 10.0 mi SW 11.5 mph - N/A   Clear
5:54 AM 1.9 °F -11.8 °F -2.0 °F 83% 30.47 in 10.0 mi WSW 8.1 mph - N/A   Clear
6:54 AM 1.9 °F -12.9 °F -2.0 °F 83% 30.48 in 10.0 mi WSW 9.2 mph - N/A   Clear
7:54 AM -0.0 °F -18.7 °F -4.0 °F 83% 30.51 in 10.0 mi WSW 13.8 mph - N/A   Clear
8:54 AM 1.9 °F -5.6 °F -0.9 °F 88% 30.51 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:54 AM 3.9 °F - -0.9 °F 80% 30.51 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 7.0 °F -1.7 °F 1.0 °F 77% 30.49 in 10.0 mi West 4.6 mph - N/A   Clear
11:54 AM 10.9 °F -1.8 °F 3.9 °F 73% 30.47 in 10.0 mi WSW 9.2 mph - N/A   Clear
12:54 PM 14.0 °F 1.2 °F 5.0 °F 67% 30.46 in 10.0 mi West 10.4 mph - N/A   Clear
2:54 PM 15.1 °F 4.2 °F 6.1 °F 68% 30.48 in 10.0 mi WSW 8.1 mph - N/A   Clear
3:54 PM 12.9 °F -0.2 °F 5.0 °F 71% 30.49 in 10.0 mi SW 10.4 mph - N/A   Clear
4:54 PM 10.0 °F -4.5 °F 1.9 °F 70% 30.53 in 10.0 mi WSW 11.5 mph - N/A   Clear
5:54 PM 7.0 °F -7.5 °F -0.0 °F 73% 30.55 in 10.0 mi WSW 10.4 mph - N/A   Clear
7:54 PM 9.0 °F - 1.9 °F 73% 30.57 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 7.0 °F - -0.0 °F 73% 30.59 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 3.9 °F -5.3 °F -0.0 °F 84% 30.61 in 10.0 mi South 4.6 mph - N/A   Clear
10:54 PM 3.9 °F - -0.0 °F 84% 30.61 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 3.0 °F -4.4 °F -0.9 °F 84% 30.60 in 10.0 mi WNW 3.5 mph - N/A   Clear