Weather History for Rock Springs, WY

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 22 °F 24 °F  
Max Temperature 31 °F 34 °F 54 °F (1958)
Min Temperature 13 °F 15 °F -18 °F (2006)
Degree Days  
Heating Degree Days 43 40  
Month to date heating degree days 680 760  
Since 1 July heating degree days 5049 5464  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 8 °F    
Average Humidity 60    
Maximum Humidity 84    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.02 in 0.09 in (1951)
Month to date precipitation T 0.31  
Year to date precipitation T 0.76  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 25 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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Date:

Astronomy

Feb. 18, 2013 Rise Set
Actual Time 7:06 AM MST 5:53 PM MST
Civil Twilight 6:38 AM MST 6:22 PM MST
Nautical Twilight 6:06 AM MST 6:54 PM MST
Astronomical Twilight 5:34 AM MST 7:26 PM MST
Moon 11:39 AM MST (2/18) 1:51 AM MST (2/18)
Length of Visible Light 11h 43m
Length of Day
10h 47m
First Quarter, 59% of the Moon is Illuminated
Feb 18
First Quarter
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 15.1 °F 2.5 °F 10.0 °F 80% 30.06 in 10.0 mi WSW 10.4 mph - N/A   Clear
2:54 AM 15.1 °F -0.1 °F 9.0 °F 77% 30.09 in 10.0 mi WSW 15.0 mph - N/A   Clear
3:54 AM 15.1 °F -0.1 °F 9.0 °F 77% 30.10 in 10.0 mi SW 15.0 mph - N/A   Clear
4:54 AM 15.1 °F -0.6 °F 9.0 °F 77% 30.11 in 10.0 mi WSW 16.1 mph - N/A   Clear
5:54 AM 14.0 °F 1.2 °F 8.1 °F 77% 30.14 in 10.0 mi WSW 10.4 mph - N/A   Clear
6:54 AM 14.0 °F -0.2 °F 8.1 °F 77% 30.15 in 10.0 mi WSW 12.7 mph - N/A   Clear
7:54 AM 15.1 °F 4.2 °F 9.0 °F 77% 30.18 in 10.0 mi SW 8.1 mph - N/A   Clear
8:54 AM 19.0 °F 6.8 °F 10.0 °F 68% 30.19 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy
9:54 AM 21.9 °F 11.7 °F 10.9 °F 63% 30.19 in 10.0 mi West 9.2 mph - N/A   Clear
10:54 AM 27.0 °F 13.2 °F 10.0 °F 49% 30.15 in 10.0 mi West 20.7 mph 24.2 mph N/A   Clear
11:54 AM 30.0 °F 18.7 °F 10.0 °F 43% 30.14 in 10.0 mi West 16.1 mph 21.9 mph N/A   Partly Cloudy
12:54 PM 30.0 °F 18.3 °F 7.0 °F 38% 30.14 in 10.0 mi West 17.3 mph 25.3 mph N/A   Mostly Cloudy
1:54 PM 30.9 °F 19.4 °F 8.1 °F 38% 30.14 in 10.0 mi WSW 17.3 mph 23.0 mph N/A   Scattered Clouds
2:54 PM 30.9 °F 18.7 °F 8.1 °F 38% 30.13 in 10.0 mi West 19.6 mph 23.0 mph N/A   Clear
3:54 PM 30.9 °F 20.2 °F 8.1 °F 38% 30.13 in 10.0 mi West 15.0 mph 19.6 mph N/A   Clear
4:54 PM 28.9 °F 20.4 °F 7.0 °F 40% 30.13 in 10.0 mi West 9.2 mph - N/A   Clear
5:54 PM 24.1 °F 14.4 °F 7.0 °F 48% 30.16 in 10.0 mi West 9.2 mph - N/A   Clear
6:54 PM 21.0 °F 13.4 °F 8.1 °F 57% 30.18 in 10.0 mi West 5.8 mph - N/A   Clear
7:54 PM 19.9 °F 12.1 °F 7.0 °F 57% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Clear
8:54 PM 19.9 °F 11.1 °F 7.0 °F 57% 30.14 in 10.0 mi SE 6.9 mph - N/A   Clear
9:54 PM 21.0 °F 10.6 °F 6.1 °F 53% 30.11 in 10.0 mi SE 9.2 mph - N/A   Clear
10:54 PM 19.0 °F 12.3 °F 5.0 °F 54% 30.09 in 10.0 mi SE 4.6 mph - N/A   Clear
11:54 PM 16.0 °F - 6.1 °F 65% 30.08 in 10.0 mi Calm Calm - N/A   Clear