Weather History for Rock Springs, WY

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Friday, January 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 3 °F 21 °F  
Max Temperature 15 °F 30 °F 46 °F (2012)
Min Temperature -9 °F 13 °F -24 °F (1974)
Degree Days  
Heating Degree Days 62 44  
Month to date heating degree days 240 176  
Since 1 July heating degree days 3164 3528  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point -6 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in 0.02 in 0.29 in (1979)
Month to date precipitation 0.00 0.06  
Year to date precipitation 0.00 0.06  
Sea Level Pressure  
Sea Level Pressure 30.49 in    
Wind  
Wind Speed 3 mph (SW)    
Max Wind Speed 10 mph    
Max Gust Speed 12 mph    
Visibility 9 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. 04, 2013 Rise Set
Actual Time 7:43 AM MST 4:59 PM MST
Civil Twilight 7:11 AM MST 5:31 PM MST
Nautical Twilight 6:37 AM MST 6:05 PM MST
Astronomical Twilight 6:03 AM MST 6:39 PM MST
Moon No Moon Rise 11:21 AM MST (1/4)
Length of Visible Light 10h 19m
Length of Day
9h 16m
Waning Gibbous, 54% of the Moon is Illuminated
Jan 4
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 -0.9 °F - -7.1 °F 75% 30.61 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM -4.0 °F -14.6 °F -8.0 °F 83% 30.61 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:54 AM -2.0 °F -10.1 °F -6.0 °F 83% 30.58 in 10.0 mi WSW 3.5 mph - N/A   Clear
3:54 AM -5.1 °F -15.8 °F -9.0 °F 83% 30.60 in 10.0 mi SSW 4.6 mph - N/A   Clear
4:54 AM -5.1 °F -15.8 °F -9.0 °F 83% 30.62 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:54 AM -8.0 °F -21.0 °F -11.9 °F 83% 30.62 in 8.0 mi SSW 5.8 mph - N/A   Clear
7:06 AM -7.6 °F -18.8 °F -11.2 °F 84% 30.25 in 1.0 mi SSW 4.6 mph - N/A   Mist
7:16 AM -5.8 °F -14.5 °F -9.4 °F 84% 30.25 in 4.0 mi SSW 3.5 mph - N/A   Clear
7:54 AM -6.0 °F -14.7 °F -9.9 °F 83% 30.63 in 10.0 mi SW 3.5 mph - N/A   Clear
8:54 AM -6.0 °F - -13.0 °F 72% 30.63 in 10.0 mi Calm Calm - N/A   Clear
9:05 AM -5.8 °F - -11.2 °F 77% 30.24 in 1.8 mi Calm Calm - N/A   Haze
9:21 AM -4.0 °F - -9.4 °F 78% 30.25 in 2.0 mi Calm Calm - N/A   Haze
9:34 AM -2.2 °F - -7.6 °F 78% 30.25 in 6.0 mi Calm Calm - N/A   Haze
9:54 AM -2.0 °F - -2.9 °F 96% 30.62 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM -2.0 °F -13.9 °F -6.0 °F 83% 30.62 in 10.0 mi South 5.8 mph - N/A   Clear
11:54 AM 6.1 °F - -0.0 °F 76% 30.55 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 8.1 °F - 1.0 °F 73% 30.50 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 12.0 °F - 1.0 °F 61% 30.48 in 10.0 mi Calm Calm - N/A   Clear
2:54 PM 14.0 °F - 1.9 °F 59% 30.45 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 10.9 °F 4.7 °F -0.9 °F 59% 30.47 in 10.0 mi North 3.5 mph - N/A   Clear
5:54 PM 9.0 °F - -0.9 °F 64% 30.47 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 8.1 °F -3.2 °F -2.9 °F 61% 30.50 in 10.0 mi West 6.9 mph - N/A   Clear
7:54 PM 7.0 °F -3.3 °F -2.9 °F 64% 30.50 in 10.0 mi West 5.8 mph - N/A   Clear
8:54 PM 9.0 °F -0.9 °F -2.9 °F 59% 30.49 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:54 PM 10.9 °F 1.4 °F -2.0 °F 56% 30.49 in 10.0 mi WSW 5.8 mph - N/A   Clear
11:54 PM 8.1 °F -5.3 °F -4.0 °F 58% 30.46 in 10.0 mi WSW 9.2 mph - N/A   Clear