Weather History for Riverton, WY

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Tuesday, November 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 6 °C -2 °C  
Max Temperature 12 °C 4 °C 13 °C (1996)
Min Temperature -1 °C -8 °C -18 °C (2011)
Degree Days  
Heating Degree Days 23 37  
Month to date heating degree days 568 638  
Since 1 July heating degree days 1279 1518  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 765 494  
Moisture  
Dew Point -2 °C    
Average Humidity 59    
Maximum Humidity 78    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 mm 0.25 mm 0.25 mm (2004)
Month to date precipitation 0.32 0.34  
Year to date precipitation 2.87 8.95  
Snow  
Snow 0.00 cm - - ()
Month to date snowfall 1.4  
Since 1 July snowfall 2.5  
Since 1 September snowfall 2.5  
Snow Depth 0.00 cm    
Sea Level Pressure  
Sea Level Pressure 1019 hPa    
Wind  
Wind Speed 8 km/h (SW)    
Max Wind Speed 19 km/h    
Max Gust Speed 23 km/h    
Visibility 16 kilometers    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 20, 2012 Rise Set
Actual Time 7:13 AM MST 4:45 PM MST
Civil Twilight 6:42 AM MST 5:16 PM MST
Nautical Twilight 6:07 AM MST 5:51 PM MST
Astronomical Twilight 5:33 AM MST 6:25 PM MST
Moon 12:43 PM MST (11/20) No Moon Set
Length of Visible Light 10h 34m
Length of Day
9h 32m
First Quarter, 52% of the Moon is Illuminated
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter

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 1.7 °C - -3.3 °C 70% 1020.6 hPa 16.1 km Calm Calm - N/A   Clear
1:53 AM 0.6 °C - -4.4 °C 70% 1020.7 hPa 16.1 km Calm Calm - N/A   Clear
2:53 AM 1.7 °C - -4.4 °C 64% 1020.1 hPa 16.1 km Calm Calm - N/A   Clear
3:53 AM 1.1 °C -2.6 °C -3.9 °C 70% 1020.3 hPa 16.1 km SW 13.0 km/h / 3.6 m/s - N/A   Clear
4:53 AM 1.1 °C -0.6 °C -3.9 °C 70% 1020.5 hPa 16.1 km SW 5.6 km/h / 1.5 m/s - N/A   Clear
5:53 AM -0.6 °C -3.8 °C -4.4 °C 76% 1021.9 hPa 16.1 km West 9.3 km/h / 2.6 m/s - N/A   Clear
6:53 AM 0.0 °C -1.8 °C -4.4 °C 73% 1022.1 hPa 16.1 km WSW 5.6 km/h / 1.5 m/s - N/A   Clear
7:53 AM 4.4 °C 3.2 °C -3.3 °C 58% 1020.8 hPa 16.1 km WSW 5.6 km/h / 1.5 m/s - N/A   Clear
8:53 AM 0.6 °C -2.8 °C -3.3 °C 75% 1022.9 hPa 16.1 km SW 11.1 km/h / 3.1 m/s - N/A   Clear
9:53 AM 7.2 °C 5.5 °C -1.7 °C 53% 1020.9 hPa 16.1 km SSE 9.3 km/h / 2.6 m/s - N/A   Clear
10:53 AM 9.4 °C - -1.1 °C 48% 1020.7 hPa 16.1 km North 7.4 km/h / 2.1 m/s - N/A   Clear
11:53 AM 10.0 °C - -2.8 °C 41% 1019.1 hPa 16.1 km ENE 5.6 km/h / 1.5 m/s - N/A   Clear
12:53 PM 10.0 °C - 0.6 °C 52% 1018.4 hPa 16.1 km SE 13.0 km/h / 3.6 m/s - N/A   Clear
1:53 PM 8.3 °C - 0.6 °C 59% 1018.0 hPa 16.1 km NE 11.1 km/h / 3.1 m/s - N/A   Clear
2:53 PM 11.1 °C - 0.0 °C 47% 1016.4 hPa 16.1 km NE 5.6 km/h / 1.5 m/s - N/A   Clear
3:53 PM 8.9 °C - 0.0 °C 54% 1017.1 hPa 16.1 km NW 7.4 km/h / 2.1 m/s - N/A   Clear
4:53 PM 6.1 °C 3.8 °C 0.0 °C 65% 1017.7 hPa 16.1 km NW 11.1 km/h / 3.1 m/s - N/A   Clear
5:53 PM 6.1 °C 3.8 °C 0.0 °C 65% 1018.1 hPa 16.1 km SSE 11.1 km/h / 3.1 m/s - N/A   Clear
6:53 PM 6.7 °C 4.2 °C -1.1 °C 58% 1017.3 hPa 16.1 km South 13.0 km/h / 3.6 m/s - N/A   Clear
7:53 PM 6.1 °C 3.2 °C -1.7 °C 58% 1015.7 hPa 16.1 km South 14.8 km/h / 4.1 m/s - N/A   Clear
8:53 PM 2.8 °C -1.2 °C -1.7 °C 73% 1017.5 hPa 16.1 km WNW 16.7 km/h / 4.6 m/s - N/A   Clear
9:53 PM 2.8 °C 1.4 °C -2.2 °C 70% 1015.9 hPa 16.1 km West 5.6 km/h / 1.5 m/s - N/A   Clear
10:53 PM 5.6 °C 4.0 °C -1.7 °C 60% 1014.1 hPa 16.1 km SSE 7.4 km/h / 2.1 m/s - N/A   Clear
11:53 PM 4.4 °C 3.2 °C -2.2 °C 63% 1014.2 hPa 16.1 km SW 5.6 km/h / 1.5 m/s - N/A   Clear