Weather History for Riverton, WY

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Friday, January 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 25 °F 20 °F  
Max Temperature 50 °F 31 °F 53 °F (1954)
Min Temperature 0 °F 9 °F -17 °F (1996)
Degree Days  
Heating Degree Days 40 45  
Month to date heating degree days 984 816  
Since 1 July heating degree days 3906 4133  
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 53    
Maximum Humidity 87    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.00 in 0.01 in (2007)
Month to date precipitation 0.08 0.15  
Year to date precipitation 0.08 0.15  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 2.2  
Since 1 July snowfall 9.5  
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 36 mph    
Max Gust Speed 58 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 18, 2013 Rise Set
Actual Time 7:40 AM MST 5:08 PM MST
Civil Twilight 7:09 AM MST 5:39 PM MST
Nautical Twilight 6:34 AM MST 6:14 PM MST
Astronomical Twilight 6:00 AM MST 6:48 PM MST
Moon 11:07 AM MST (1/18) 12:14 AM MST (1/18)
Length of Visible Light 10h 30m
Length of Day
9h 27m
Waxing Crescent, 48% of the Moon is Illuminated
Jan 18
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
12:53 AM 3.0 °F -6.4 °F -2.9 °F 76% 30.47 in 10.0 mi NE 4.6 mph - N/A   Clear
1:53 AM 5.0 °F -2.1 °F -0.0 °F 80% 30.45 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:53 AM 3.9 °F -8.2 °F -0.9 °F 80% 30.43 in 10.0 mi NE 6.9 mph - N/A   Clear
3:53 AM 6.1 °F -0.9 °F 1.0 °F 80% 30.39 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:53 AM 1.9 °F -5.6 °F -2.9 °F 80% 30.41 in 10.0 mi NW 3.5 mph - N/A   Clear
5:53 AM 3.0 °F -4.4 °F -2.9 °F 76% 30.42 in 10.0 mi NNW 3.5 mph - N/A   Clear
6:53 AM 3.9 °F -8.2 °F -2.0 °F 76% 30.42 in 10.0 mi WSW 6.9 mph - N/A   Clear
7:53 AM 3.9 °F -8.2 °F -2.0 °F 76% 30.42 in 10.0 mi SE 6.9 mph - N/A   Clear
8:53 AM 10.9 °F -0.8 °F 3.9 °F 73% 30.39 in 10.0 mi WSW 8.1 mph - N/A   Clear
9:53 AM 19.9 °F 12.1 °F 9.0 °F 62% 30.36 in 10.0 mi South 5.8 mph - N/A   Clear
10:53 AM 10.0 °F - 1.9 °F 70% 30.39 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 16.0 °F 6.3 °F 7.0 °F 68% 30.35 in 10.0 mi East 6.9 mph - N/A   Clear
12:53 PM 23.0 °F 17.0 °F 10.9 °F 60% 30.30 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:53 PM 24.1 °F - 12.9 °F 62% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 23.0 °F 18.4 °F 12.9 °F 65% 30.26 in 10.0 mi Variable 3.5 mph - N/A   Clear
3:53 PM 27.0 °F 23.0 °F 12.9 °F 56% 30.23 in 10.0 mi South 3.5 mph - N/A   Clear
4:53 PM 30.9 °F 24.3 °F 10.9 °F 43% 30.24 in 10.0 mi South 6.9 mph 23.0 mph N/A   Clear
5:53 PM 46.9 °F - 7.0 °F 20% 30.14 in 10.0 mi West 10.4 mph 19.6 mph N/A   Clear
6:24 PM 46.4 °F 41.5 °F 6.8 °F 20% 30.05 in 10.0 mi West 10.4 mph 47.2 mph N/A   Squalls
6:39 PM 46.4 °F 42.4 °F 6.8 °F 20% 30.04 in 10.0 mi WNW 8.1 mph 57.5 mph N/A   Squalls
6:53 PM 42.1 °F 37.1 °F 9.0 °F 26% 30.16 in 10.0 mi West 8.1 mph - N/A   Clear
7:53 PM 39.9 °F 28.8 °F 14.0 °F 35% 30.18 in 10.0 mi West 27.6 mph 41.4 mph N/A   Clear
8:53 PM 37.0 °F 24.9 °F 14.0 °F 39% 30.15 in 10.0 mi West 27.6 mph 35.7 mph N/A   Clear
9:53 PM 37.9 °F 26.3 °F 14.0 °F 38% 30.15 in 10.0 mi WNW 26.5 mph - N/A   Clear
10:53 PM 41.0 °F 29.8 °F 10.9 °F 29% 30.17 in 10.0 mi WNW 29.9 mph 38.0 mph N/A   Clear
11:53 PM 39.0 °F 28.5 °F 10.0 °F 30% 30.18 in 10.0 mi WNW 23.0 mph 34.5 mph N/A   Clear