Weather History for Riverton, WY

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 34 °F 22 °F  
Max Temperature 45 °F 33 °F 57 °F (1958)
Min Temperature 23 °F 10 °F -8 °F (2009)
Degree Days  
Heating Degree Days 31 43  
Month to date heating degree days 102 171  
Since 1 July heating degree days 1683 2087  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 765 494  
Moisture  
Dew Point 16 °F    
Average Humidity 44    
Maximum Humidity 60    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.01 in 0.01 in (2008)
Month to date precipitation 0.01 0.04  
Year to date precipitation 2.88 9.15  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 2.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 04, 2012 Rise Set
Actual Time 7:29 AM MST 4:39 PM MST
Civil Twilight 6:57 AM MST 5:11 PM MST
Nautical Twilight 6:21 AM MST 5:46 PM MST
Astronomical Twilight 5:47 AM MST 6:21 PM MST
Moon 10:36 PM MST (12/4) 11:19 AM MST (12/4)
Length of Visible Light 10h 13m
Length of Day
9h 09m
Waning Gibbous, 69% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

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 27.0 °F 15.6 °F 12.9 °F 56% 30.22 in 10.0 mi West 13.8 mph - N/A   Clear
1:53 AM 27.0 °F 16.7 °F 12.9 °F 56% 30.25 in 10.0 mi West 11.5 mph - N/A   Clear
2:53 AM 27.0 °F 16.7 °F 10.9 °F 51% 30.25 in 10.0 mi WSW 11.5 mph - N/A   Clear
3:53 AM 24.1 °F 16.0 °F 10.9 °F 57% 30.27 in 10.0 mi WSW 6.9 mph - N/A   Clear
4:53 AM 26.1 °F 18.4 °F 10.9 °F 53% 30.27 in 10.0 mi South 6.9 mph - N/A   Clear
5:53 AM 27.0 °F 18.0 °F 12.0 °F 53% 30.27 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:53 AM 27.0 °F 23.0 °F 12.0 °F 53% 30.29 in 10.0 mi South 3.5 mph - N/A   Clear
7:53 AM 24.1 °F 19.7 °F 12.0 °F 60% 30.27 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
8:53 AM 26.1 °F 20.5 °F 14.0 °F 60% 30.27 in 10.0 mi NNW 4.6 mph - N/A   Clear
9:53 AM 28.9 °F - 15.1 °F 56% 30.27 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 30.0 °F 25.2 °F 16.0 °F 56% 30.26 in 10.0 mi South 4.6 mph - N/A   Clear
11:53 AM 36.0 °F 31.1 °F 15.1 °F 43% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:53 PM 39.0 °F 33.4 °F 14.0 °F 36% 30.19 in 10.0 mi South 8.1 mph - N/A   Clear
1:53 PM 43.0 °F 36.8 °F 14.0 °F 31% 30.15 in 10.0 mi South 11.5 mph - N/A   Clear
2:53 PM 45.0 °F 41.2 °F 14.0 °F 29% 30.15 in 10.0 mi South 6.9 mph - N/A   Clear
3:53 PM 44.1 °F 40.1 °F 14.0 °F 30% 30.17 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:53 PM 39.0 °F 34.8 °F 14.0 °F 36% 30.17 in 10.0 mi SW 5.8 mph - N/A   Clear
5:53 PM 37.9 °F 32.7 °F 15.1 °F 39% 30.18 in 10.0 mi South 6.9 mph - N/A   Clear
6:53 PM 37.0 °F 33.3 °F 19.9 °F 50% 30.17 in 10.0 mi South 4.6 mph - N/A   Clear
7:53 PM 35.1 °F 31.0 °F 21.0 °F 57% 30.19 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:53 PM 37.9 °F 35.5 °F 23.0 °F 55% 30.17 in 10.0 mi SE 3.5 mph - N/A   Clear
9:53 PM 37.0 °F - 23.0 °F 57% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 39.0 °F 34.8 °F 26.1 °F 60% 30.11 in 10.0 mi SW 5.8 mph - N/A   Clear
11:53 PM 34.0 °F - 23.0 °F 64% 30.06 in 10.0 mi Calm Calm - N/A   Clear