Weather History for Riverton, WY

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Thursday, December 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F 20 °F  
Max Temperature 39 °F 32 °F 55 °F (2010)
Min Temperature 17 °F 8 °F -7 °F (2000)
Degree Days  
Heating Degree Days 37 45  
Month to date heating degree days 450 572  
Since 1 July heating degree days 2031 2488  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 765 494  
Moisture  
Dew Point 14 °F    
Average Humidity 57    
Maximum Humidity 74    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.01 in 0.03 in (2005)
Month to date precipitation 0.04 0.12  
Year to date precipitation 2.91 9.23  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.5  
Since 1 July snowfall 3.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 13, 2012 Rise Set
Actual Time 7:37 AM MST 4:39 PM MST
Civil Twilight 7:04 AM MST 5:11 PM MST
Nautical Twilight 6:29 AM MST 5:47 PM MST
Astronomical Twilight 5:54 AM MST 6:22 PM MST
Moon 7:48 AM MST 5:26 PM MST
Length of Visible Light 10h 06m
Length of Day
9h 01m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
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 28.9 °F - 12.0 °F 49% 29.86 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 28.9 °F - 10.9 °F 47% 29.87 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 21.9 °F 15.7 °F 10.9 °F 63% 29.91 in 10.0 mi ENE 4.6 mph - N/A   Clear
3:53 AM 19.0 °F 13.9 °F 10.0 °F 68% 29.93 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:53 AM 21.0 °F 12.4 °F 10.9 °F 65% 29.94 in 10.0 mi North 6.9 mph - N/A   Clear
5:53 AM 19.9 °F 8.6 °F 10.0 °F 65% 29.97 in 10.0 mi NNW 10.4 mph - N/A   Clear
6:53 AM 18.0 °F 7.7 °F 10.0 °F 71% 29.99 in 10.0 mi NNW 8.1 mph - N/A   Clear
7:53 AM 18.0 °F 12.7 °F 10.0 °F 71% 30.00 in 10.0 mi North 3.5 mph - N/A   Clear
8:53 AM 21.9 °F 15.7 °F 12.9 °F 68% 30.01 in 10.0 mi West 4.6 mph - N/A   Clear
9:53 AM 28.0 °F - 14.0 °F 56% 30.00 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 28.9 °F - 18.0 °F 64% 29.99 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 33.1 °F - 17.1 °F 52% 29.94 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 32.0 °F 25.6 °F 17.1 °F 54% 29.93 in 10.0 mi ENE 6.9 mph - N/A   Clear
1:53 PM 36.0 °F 32.1 °F 17.1 °F 46% 29.89 in 10.0 mi ENE 4.6 mph - N/A   Clear
2:53 PM 39.0 °F 35.7 °F 17.1 °F 41% 29.90 in 10.0 mi East 4.6 mph - N/A   Clear
5:53 PM 26.6 °F - 14.0 °F 59% 29.83 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 36.0 °F 32.1 °F 17.1 °F 46% 29.92 in 10.0 mi South 4.6 mph - N/A   Clear
7:53 PM 30.0 °F 24.1 °F 16.0 °F 56% 29.94 in 10.0 mi SW 5.8 mph - N/A   Clear
8:53 PM 23.0 °F 17.0 °F 12.9 °F 65% 29.93 in 10.0 mi NNW 4.6 mph - N/A   Clear
9:53 PM 24.1 °F 14.4 °F 15.1 °F 69% 29.91 in 10.0 mi NW 9.2 mph - N/A   Clear
10:53 PM 25.0 °F 19.3 °F 15.1 °F 66% 29.89 in 10.0 mi NW 4.6 mph - N/A   Clear
11:53 PM 24.1 °F 17.0 °F 14.0 °F 65% 29.86 in 10.0 mi NE 5.8 mph - N/A   Clear