History for Riverton, WY

Saturday, December 29, 2012 — View Current Conditions
Saturday, December 29, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 1 °F 19 °F  
Max Temperature 11 °F 31 °F 55 °F (1996)
Min Temperature -9 °F 7 °F -9 °F (2012)
Degree Days
Heating Degree Days 64 46  
Month to date heating degree days 1204 1308  
Since 1 July heating degree days 2785 3224  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 765 494  
Moisture
Dew Point -7 °F    
Average Humidity 84    
Maximum Humidity 95    
Minimum Humidity 73    
Precipitation
Precipitation 0.00 in 0.01 in 0.11 in (2005)
Month to date precipitation 0.41 0.29  
Year to date precipitation 3.28 9.40  
Snow
Snow 0.00 in - - ()
Month to date snowfall 4.8  
Since 1 July snowfall 7.3  
Snow Depth 3.00 in    
Sea Level Pressure
Sea Level Pressure 30.17 in    
Wind
Wind Speed 2 mph (WNW)    
Max Wind Speed 9 mph    
Max Gust Speed 10 mph    
Visibility 4 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 19, 2013 Rise Set
Actual Time 7:45 AM MST 4:47 PM MST
Civil Twilight 7:12 AM MST 5:19 PM MST
Nautical Twilight 6:36 AM MST 5:55 PM MST
Astronomical Twilight 6:02 AM MST 6:30 PM MST
Moon 6:26 PM MST (12/29) 8:18 AM MST (12/29)
Length Of Visible Light 10h 07m
Length of Day
9h 02m
Full, 98% of the Moon is Illuminated
Dec 29
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 1.9 °F - -0.9 °F 88% 30.33 in 10.0 mi Calm Calm - N/A   Clear
1:12 AM -2.2 °F - -5.8 °F 85% 30.06 in 1.5 mi Calm Calm - N/A   Clear
1:21 AM -2.2 °F - -7.6 °F 78% 30.06 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
1:32 AM -4.0 °F - -7.6 °F 85% 30.06 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
1:39 AM -4.0 °F - -7.6 °F 85% 30.07 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
1:48 AM -2.2 °F - -7.6 °F 78% 30.06 in 1.2 mi Calm Calm - N/A   Haze
1:51 AM -2.2 °F - -7.6 °F 78% 30.06 in 3.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM -2.9 °F - -7.1 °F 82% 30.35 in 4.0 mi Calm Calm - N/A   Partly Cloudy
2:02 AM 3.2 °F - -2.2 °F 78% 30.07 in 2.0 mi Calm Calm - N/A   Haze
2:09 AM 1.4 °F -6.2 °F -4.0 °F 78% 30.07 in 1.0 mi ESE 3.5 mph - N/A   Haze
2:29 AM -2.2 °F - -5.8 °F 85% 30.07 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
2:37 AM -2.2 °F - -7.6 °F 78% 30.07 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
2:53 AM -2.9 °F - -6.0 °F 87% 30.37 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
3:11 AM -5.8 °F -16.7 °F -9.4 °F 84% 30.08 in 0.5 mi West 4.6 mph - N/A Fog Light Freezing Fog
3:18 AM -2.2 °F -12.5 °F -7.6 °F 78% 30.08 in 1.2 mi West 4.6 mph - N/A   Haze
3:29 AM -2.2 °F -14.2 °F -7.6 °F 78% 30.08 in 0.2 mi WNW 5.8 mph - N/A Fog Light Freezing Fog
3:40 AM -5.8 °F -16.7 °F -9.4 °F 84% 30.08 in 1.0 mi WNW 4.6 mph - N/A   Mist
3:42 AM -5.8 °F -14.5 °F -9.4 °F 84% 30.08 in 2.0 mi WNW 3.5 mph - N/A   Partly Cloudy
3:49 AM -5.8 °F - -9.4 °F 84% 30.08 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM -2.9 °F - -8.0 °F 79% 30.36 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:22 AM -2.2 °F - -5.8 °F 85% 30.08 in 1.8 mi Calm Calm - N/A   Partly Cloudy
4:26 AM -2.2 °F - -5.8 °F 85% 30.08 in 0.8 mi Calm Calm - N/A   Mist
4:53 AM -2.0 °F - -7.1 °F 79% 30.37 in 0.2 mi Calm Calm - N/A   Haze
5:05 AM -5.8 °F - -7.6 °F 92% 30.07 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:19 AM -7.6 °F - -11.2 °F 84% 30.08 in 0.5 mi Calm Calm - N/A   Haze
5:53 AM -5.1 °F -15.8 °F -9.9 °F 80% 30.42 in 1.0 mi West 4.6 mph - N/A   Haze
6:01 AM -5.8 °F -16.7 °F -9.4 °F 84% 30.08 in 0.5 mi West 4.6 mph - N/A Fog Light Freezing Fog
6:48 AM -5.8 °F - -9.4 °F 84% 30.08 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
6:53 AM -5.1 °F - -9.9 °F 80% 30.40 in 0.5 mi Calm Calm - N/A   Haze
7:02 AM -5.8 °F - -9.4 °F 84% 30.09 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
7:24 AM -5.8 °F -22.4 °F -11.2 °F 77% 30.09 in 1.2 mi NW 9.2 mph - N/A   Haze
7:27 AM -5.8 °F -22.4 °F -11.2 °F 77% 30.09 in 3.0 mi NW 9.2 mph - N/A   Haze
7:34 AM -5.8 °F -21.2 °F -11.2 °F 77% 30.08 in 1.8 mi NNW 8.1 mph - N/A   Haze
7:43 AM -5.8 °F -21.2 °F -9.4 °F 84% 30.08 in 0.5 mi NW 8.1 mph - N/A   Haze
7:53 AM -5.1 °F -17.6 °F -9.9 °F 80% 30.40 in 0.5 mi North 5.8 mph - N/A   Haze
8:18 AM -5.8 °F -14.5 °F -9.4 °F 84% 30.09 in 0.2 mi NNW 3.5 mph - N/A   Haze
8:24 AM -5.8 °F - -9.4 °F 84% 30.09 in 1.2 mi Calm Calm - N/A   Haze
8:48 AM -5.8 °F - -7.6 °F 92% 30.08 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
8:53 AM -4.0 °F - -8.0 °F 83% 30.41 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
9:02 AM -2.2 °F - -5.8 °F 85% 30.09 in 1.2 mi Calm Calm - N/A   Scattered Clouds
9:07 AM -0.4 °F -8.3 °F -5.8 °F 78% 30.09 in 3.0 mi NNW 3.5 mph - N/A   Haze
9:53 AM 1.9 °F -7.6 °F -4.0 °F 76% 30.40 in 10.0 mi North 4.6 mph - N/A   Clear
10:53 AM 1.9 °F - -2.9 °F 80% 30.39 in 9.0 mi Calm Calm - N/A   Clear
11:35 AM 1.4 °F -6.2 °F -0.4 °F 92% 30.06 in 2.5 mi SW 3.5 mph - N/A   Partly Cloudy
11:39 AM 1.4 °F -8.3 °F -2.2 °F 85% 30.06 in 1.0 mi SW 4.6 mph - N/A   Mist
11:46 AM 1.4 °F - -2.2 °F 85% 30.05 in 1.2 mi Calm Calm - N/A   Scattered Clouds
11:49 AM 1.4 °F -6.2 °F -0.4 °F 92% 30.05 in 3.0 mi WSW 3.5 mph - N/A   Scattered Clouds
11:53 AM 3.0 °F -4.4 °F -0.9 °F 84% 30.35 in 6.0 mi WSW 3.5 mph - N/A   Partly Cloudy
12:53 PM 10.9 °F 4.7 °F 3.0 °F 70% 30.26 in 10.0 mi North 3.5 mph - N/A   Clear
1:53 PM 3.9 °F - -0.0 °F 84% 30.29 in 6.0 mi Calm Calm - N/A   Clear
2:53 PM 8.1 °F -2.0 °F 1.0 °F 73% 30.26 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:53 PM 6.8 °F -0.1 °F -0.4 °F 72% 29.96 in 10.0 mi WNW 3.5 mph - N/A   Clear
4:53 PM 1.9 °F -7.6 °F -2.9 °F 80% 30.26 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 PM 1.0 °F -6.7 °F -4.0 °F 79% 30.27 in 10.0 mi West 3.5 mph - N/A   Clear
6:53 PM 1.9 °F -7.6 °F -4.0 °F 76% 30.27 in 10.0 mi SSW 4.6 mph - N/A   Clear
7:53 PM -2.0 °F - -7.1 °F 79% 30.28 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM -2.9 °F -15.0 °F -8.0 °F 79% 30.27 in 10.0 mi NW 5.8 mph - N/A   Clear
9:53 PM -6.0 °F -18.6 °F -11.0 °F 79% 30.27 in 10.0 mi NW 5.8 mph - N/A   Clear
10:53 PM -2.9 °F - -7.1 °F 82% 30.27 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:47 PM -5.8 °F -18.4 °F -9.4 °F 84% 29.94 in 2.0 mi SW 5.8 mph - N/A   Partly Cloudy
11:53 PM -6.0 °F -14.7 °F -11.0 °F 79% 30.27 in 2.0 mi WSW 3.5 mph - N/A   Haze
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