Weather History for Rock Springs, WY

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Thursday, January 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 21 °F 22 °F  
Max Temperature 31 °F 30 °F 48 °F (1971)
Min Temperature 11 °F 13 °F -18 °F (1984)
Degree Days  
Heating Degree Days 44 43  
Month to date heating degree days 915 743  
Since 1 July heating degree days 3839 4095  
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 57    
Maximum Humidity 67    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.02 in 0.83 in (1996)
Month to date precipitation T 0.24  
Year to date precipitation T 0.24  
Sea Level Pressure  
Sea Level Pressure 30.58 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 18 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 17, 2013 Rise Set
Actual Time 7:39 AM MST 5:13 PM MST
Civil Twilight 7:09 AM MST 5:44 PM MST
Nautical Twilight 6:34 AM MST 6:18 PM MST
Astronomical Twilight 6:01 AM MST 6:51 PM MST
Moon 10:42 AM MST (1/17) No Moon Set
Length of Visible Light 10h 35m
Length of Day
9h 34m
Waxing Crescent, 38% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

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 19.0 °F 4.0 °F 7.0 °F 59% 30.58 in 10.0 mi WSW 17.3 mph - N/A   Clear
1:54 AM 18.0 °F 3.1 °F 7.0 °F 62% 30.59 in 10.0 mi WSW 16.1 mph - N/A   Clear
2:54 AM 16.0 °F - 5.0 °F 62% 30.60 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 15.1 °F 4.2 °F 3.9 °F 61% 30.60 in 10.0 mi WSW 8.1 mph - N/A   Clear
4:54 AM 15.1 °F 9.4 °F 3.9 °F 61% 30.61 in 10.0 mi SW 3.5 mph - N/A   Clear
5:54 AM 16.0 °F - 5.0 °F 62% 30.62 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 14.0 °F - 5.0 °F 67% 30.64 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 12.0 °F - 3.9 °F 70% 30.67 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 16.0 °F 10.4 °F 5.0 °F 62% 30.68 in 10.0 mi NE 3.5 mph - N/A   Clear
9:54 AM 19.9 °F - 6.1 °F 55% 30.67 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 21.0 °F - 7.0 °F 55% 30.66 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 24.1 °F - 9.0 °F 53% 30.61 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 28.9 °F 20.4 °F 10.9 °F 47% 30.55 in 10.0 mi West 9.2 mph - N/A   Clear
1:54 PM 28.9 °F 25.2 °F 10.9 °F 47% 30.53 in 10.0 mi NNE 3.5 mph - N/A   Clear
2:54 PM 30.9 °F 22.2 °F 12.9 °F 47% 30.52 in 10.0 mi West 10.4 mph - N/A   Clear
3:54 PM 30.9 °F 22.8 °F 14.0 °F 50% 30.51 in 10.0 mi WSW 9.2 mph - N/A   Clear
4:54 PM 28.9 °F 25.2 °F 12.9 °F 51% 30.52 in 10.0 mi NW 3.5 mph - N/A   Clear
5:54 PM 26.1 °F 17.6 °F 10.9 °F 53% 30.53 in 10.0 mi West 8.1 mph - N/A   Clear
6:54 PM 26.1 °F 21.9 °F 12.0 °F 55% 30.55 in 10.0 mi NW 3.5 mph - N/A   Clear
7:54 PM 23.0 °F 18.4 °F 10.9 °F 60% 30.57 in 10.0 mi NW 3.5 mph - N/A   Clear
8:54 PM 21.9 °F 17.2 °F 10.0 °F 60% 30.55 in 10.0 mi NW 3.5 mph - N/A   Clear
9:54 PM 19.9 °F 7.3 °F 9.0 °F 62% 30.53 in 10.0 mi WSW 12.7 mph - N/A   Clear
10:54 PM 19.9 °F 7.3 °F 9.0 °F 62% 30.51 in 10.0 mi WSW 12.7 mph - N/A   Clear
11:54 PM 19.9 °F 6.7 °F 8.1 °F 60% 30.51 in 10.0 mi West 13.8 mph - N/A   Clear