Weather History for Rock Springs, WY

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 30 °F 22 °F  
Max Temperature 40 °F 31 °F 50 °F (1975)
Min Temperature 20 °F 14 °F -13 °F (1972)
Degree Days  
Heating Degree Days 35 42  
Month to date heating degree days 118 167  
Since 1 July heating degree days 1694 2160  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 541 286  
Moisture  
Dew Point 21 °F    
Average Humidity 63    
Maximum Humidity 77    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.01 in 0.77 in (1972)
Month to date precipitation T 0.06  
Year to date precipitation 2.93 8.12  
Sea Level Pressure  
Sea Level Pressure 30.38 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 20 mph    
Max Gust Speed 23 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

Dec. 04, 2012 Rise Set
Actual Time 7:27 AM MST 4:46 PM MST
Civil Twilight 6:55 AM MST 5:17 PM MST
Nautical Twilight 6:21 AM MST 5:51 PM MST
Astronomical Twilight 5:47 AM MST 6:25 PM MST
Moon 10:40 PM MST (12/4) 11:20 AM MST (12/4)
Length of Visible Light 10h 21m
Length of Day
9h 19m
Waning Gibbous, 69% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
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 24.1 °F 16.0 °F 16.0 °F 71% 30.39 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:54 AM 24.1 °F 16.0 °F 15.1 °F 69% 30.39 in 10.0 mi SW 6.9 mph - N/A   Clear
2:54 AM 25.0 °F 17.1 °F 14.0 °F 63% 30.40 in 10.0 mi West 6.9 mph - N/A   Clear
3:54 AM 21.0 °F 16.2 °F 12.9 °F 71% 30.41 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:54 AM 21.9 °F 17.2 °F 14.0 °F 72% 30.41 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:54 AM 21.0 °F - 15.1 °F 78% 30.43 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:54 AM 21.0 °F - 15.1 °F 78% 30.45 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 24.1 °F 19.7 °F 16.0 °F 71% 30.44 in 10.0 mi SSW 3.5 mph - N/A   Overcast
8:54 AM 25.0 °F - 16.0 °F 69% 30.44 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 AM 28.0 °F 24.2 °F 19.0 °F 69% 30.44 in 10.0 mi SW 3.5 mph - N/A   Clear
11:54 AM 34.0 °F 28.8 °F 19.9 °F 56% 30.40 in 10.0 mi WSW 5.8 mph - N/A   Clear
12:54 PM 36.0 °F 33.3 °F 21.9 °F 57% 30.38 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
1:54 PM 39.0 °F 31.0 °F 21.9 °F 50% 30.34 in 10.0 mi WSW 13.8 mph - N/A   Overcast
2:54 PM 39.0 °F 30.6 °F 24.1 °F 55% 30.34 in 10.0 mi WSW 15.0 mph - N/A   Clear
3:54 PM 39.0 °F 32.3 °F 27.0 °F 62% 30.37 in 10.0 mi WSW 10.4 mph - N/A   Overcast
4:54 PM 37.9 °F 32.1 °F 28.0 °F 68% 30.37 in 10.0 mi WSW 8.1 mph - N/A   Overcast
5:54 PM 37.0 °F 31.0 °F 28.0 °F 70% 30.38 in 10.0 mi SW 8.1 mph - N/A   Overcast
6:54 PM 36.0 °F 31.1 °F 27.0 °F 70% 30.37 in 10.0 mi SW 5.8 mph - N/A   Clear
7:54 PM 35.1 °F 30.1 °F 28.0 °F 76% 30.36 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
8:54 PM 34.0 °F 28.0 °F 27.0 °F 75% 30.35 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
9:54 PM 36.0 °F 33.3 °F 28.0 °F 73% 30.30 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:54 PM 34.0 °F 28.0 °F 26.1 °F 73% 30.28 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
11:54 PM 34.0 °F 28.0 °F 27.0 °F 75% 30.23 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy