Weather History for Rock Springs, WY

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 28 °F 25 °F  
Max Temperature 39 °F 34 °F 60 °F (1977)
Min Temperature 16 °F 16 °F -9 °F (1955)
Degree Days  
Heating Degree Days 37 40  
Month to date heating degree days 755 840  
Since 1 July heating degree days 5124 5544  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 51    
Maximum Humidity 67    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.01 in 0.50 in (1969)
Month to date precipitation T 0.34  
Year to date precipitation T 0.79  
Sea Level Pressure  
Sea Level Pressure 29.66 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 13 mph    
Max Gust Speed -    
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

Feb. 20, 2013 Rise Set
Actual Time 7:04 AM MST 5:56 PM MST
Civil Twilight 6:35 AM MST 6:24 PM MST
Nautical Twilight 6:03 AM MST 6:56 PM MST
Astronomical Twilight 5:31 AM MST 7:28 PM MST
Moon 1:18 PM MST (2/20) 3:29 AM MST (2/20)
Length of Visible Light 11h 48m
Length of Day
10h 52m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
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 26.1 °F - 8.1 °F 47% 29.64 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 26.1 °F 18.4 °F 7.0 °F 44% 29.62 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:54 AM 25.0 °F - 8.1 °F 49% 29.60 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 21.9 °F 14.5 °F 8.1 °F 55% 29.62 in 10.0 mi SSE 5.8 mph - N/A   Clear
4:54 AM 21.0 °F - 8.1 °F 57% 29.65 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 21.0 °F 16.2 °F 8.1 °F 57% 29.67 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:54 AM 23.0 °F 17.0 °F 10.9 °F 60% 29.71 in 10.0 mi ENE 4.6 mph - N/A   Clear
9:54 AM 28.0 °F 22.8 °F 10.9 °F 49% 29.68 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
10:54 AM 30.9 °F - 10.9 °F 43% 29.65 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 35.1 °F 32.2 °F 12.0 °F 39% 29.63 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:54 PM 37.9 °F 32.7 °F 12.0 °F 35% 29.60 in 10.0 mi ENE 6.9 mph - N/A   Clear
1:54 PM 37.0 °F 30.4 °F 12.0 °F 36% 29.59 in 10.0 mi ENE 9.2 mph - N/A   Overcast
2:54 PM 37.0 °F 28.9 °F 12.0 °F 36% 29.59 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
3:54 PM 35.1 °F 27.4 °F 12.9 °F 40% 29.60 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
4:54 PM 33.1 °F 23.9 °F 15.1 °F 48% 29.63 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
5:54 PM 28.9 °F 19.2 °F 15.1 °F 56% 29.67 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
6:54 PM 27.0 °F 17.3 °F 12.9 °F 56% 29.71 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
7:54 PM 26.1 °F 16.8 °F 12.9 °F 58% 29.74 in 10.0 mi NE 9.2 mph - N/A   Overcast
8:54 PM 23.0 °F 17.0 °F 12.9 °F 65% 29.74 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
9:54 PM 21.9 °F 15.7 °F 12.0 °F 66% 29.73 in 10.0 mi East 4.6 mph - N/A   Clear
10:54 PM 21.0 °F 12.4 °F 12.0 °F 68% 29.73 in 10.0 mi ENE 6.9 mph - N/A   Clear
11:54 PM 21.0 °F - 12.0 °F 68% 29.71 in 10.0 mi Calm Calm - N/A   Mostly Cloudy