Riverton, WY

5:05 PM MST on December 04, 2016 (GMT -0700)
Riverton Regional

Weather History for KRIW - December, 2011

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Wednesday, December 28, 2011

  Actual Average Record
Temperature  
Mean Temperature 34 °F 19 °F  
Max Temperature 42 °F 31 °F 50 °F (1998)
Min Temperature 25 °F 7 °F -11 °F (2007)
Degree Days  
Heating Degree Days 31 46  
Month to date heating degree days 1369 1262  
Since 1 July heating degree days 3000 3178  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 584 494  
Moisture  
Dew Point 22 °F    
Average Humidity 61    
Maximum Humidity 78    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.01 in 0.08 in (2013)
Month to date precipitation 0.24 0.28  
Year to date precipitation 11.08 9.39  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 3.7  
Since 1 July snowfall 18.7  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 12 mph (SW)    
Max Wind Speed 28 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 28, 2011 Rise Set
Actual Time 7:44 AM MST 4:46 PM MST
Civil Twilight 7:12 AM MST 5:18 PM MST
Nautical Twilight 6:36 AM MST 5:54 PM MST
Astronomical Twilight 6:01 AM MST 6:28 PM MST
Moon 10:05 AM MST (12/28) 9:33 PM MST (12/28)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waxing Crescent, 18% of the Moon is Illuminated
Dec 28
Waxing Crescent
Dec 31
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:53 AM 37.0 °F 25.1 °F 18.0 °F 46% 30.03 in 10.0 mi WNW 26.5 mph 34.5 mph N/A   Clear
2:53 AM 34.0 °F 23.0 °F 19.9 °F 56% 30.05 in 10.0 mi West 18.4 mph - N/A   Clear
3:53 AM 33.1 °F 21.9 °F 19.0 °F 56% 30.04 in 10.0 mi West 18.4 mph - N/A   Scattered Clouds
4:50 AM 30.2 °F 20.2 °F 19.4 °F 64% 29.99 in 10.0 mi SW 12.7 mph - N/A   Clear
4:53 AM 30.2 °F 18.9 °F 19.4 °F 64% 30.00 in 10.0 mi SSW 16.1 mph - N/A   Clear
5:53 AM 30.0 °F 18.7 °F 18.0 °F 61% 30.06 in 10.0 mi WSW 16.1 mph - N/A   Clear
6:53 AM 25.0 °F 14.8 °F 16.0 °F 69% 30.05 in 10.0 mi SW 10.4 mph - N/A   Clear
7:53 AM 26.1 °F 18.4 °F 16.0 °F 66% 30.06 in 10.0 mi SW 6.9 mph - N/A   Clear
8:53 AM 30.0 °F 21.1 °F 17.1 °F 59% 30.06 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:53 AM 32.0 °F 20.8 °F 19.0 °F 59% 30.06 in 10.0 mi West 17.3 mph - N/A   Clear
10:53 AM 36.0 °F 27.5 °F 21.0 °F 55% 30.03 in 10.0 mi SW 12.7 mph 21.9 mph N/A   Clear
11:53 AM 36.0 °F 28.0 °F 23.0 °F 59% 30.01 in 10.0 mi South 11.5 mph - N/A   Clear
12:53 PM 39.9 °F 33.4 °F 24.1 °F 53% 29.98 in 10.0 mi South 10.4 mph - N/A   Clear
1:53 PM 39.9 °F 33.9 °F 26.1 °F 58% 29.98 in 10.0 mi SSW 9.2 mph - N/A   Clear
2:53 PM 41.0 °F 34.7 °F 26.1 °F 55% 29.99 in 10.0 mi SW 10.4 mph - N/A   Clear
3:53 PM 39.9 °F 33.9 °F 26.1 °F 58% 30.00 in 10.0 mi SW 9.2 mph - N/A   Clear
4:53 PM 36.0 °F 29.0 °F 24.1 °F 62% 30.04 in 10.0 mi WSW 9.2 mph - N/A   Clear
5:53 PM 36.0 °F 29.0 °F 23.0 °F 59% 30.03 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:53 PM 34.0 °F 28.0 °F 25.0 °F 70% 30.05 in 10.0 mi SW 6.9 mph - N/A   Clear
7:53 PM 30.9 °F 26.2 °F 24.1 °F 76% 30.03 in 10.0 mi WSW 4.6 mph - N/A   Clear
8:53 PM 36.0 °F - 26.1 °F 67% 29.98 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 35.1 °F - 25.0 °F 67% 29.96 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 30.0 °F 22.4 °F 23.0 °F 75% 29.95 in 10.0 mi WSW 8.1 mph - N/A   Clear