Weather History for Riverton, WY

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 55 °F  
Max Temperature 60 °F 69 °F 87 °F (2006)
Min Temperature 45 °F 42 °F 26 °F (2003)
Degree Days  
Heating Degree Days 12 10  
Month to date heating degree days 205 259  
Since 1 July heating degree days 7415 7655  
Cooling Degree Days 0 0  
Month to date cooling degree days 13 0  
Year to date cooling degree days 13 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 38 °F    
Average Humidity 68    
Maximum Humidity 92    
Minimum Humidity 43    
Precipitation  
Precipitation 0.05 in 0.06 in 0.16 in (2004)
Month to date precipitation 1.25 1.16  
Year to date precipitation 3.31 3.52  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 2.4  
Since 1 July snowfall 38.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 19 mph (North)    
Max Wind Speed 29 mph    
Max Gust Speed 44 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 20, 2013 Rise Set
Actual Time 5:45 AM MDT 8:36 PM MDT
Civil Twilight 5:12 AM MDT 9:09 PM MDT
Nautical Twilight 4:29 AM MDT 9:51 PM MDT
Astronomical Twilight 3:41 AM MDT 10:40 PM MDT
Moon 3:40 PM MDT (5/20) 2:49 AM MDT (5/20)
Length of Visible Light 15h 57m
Length of Day
14h 50m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 45.0 °F 40.6 °F 42.1 °F 90% 29.98 in 10.0 mi WNW 8.1 mph - 0.02 in Rain Light Rain
1:53 AM 44.6 °F 40.7 °F 42.8 °F 93% 30.03 in 9.0 mi West 6.9 mph - N/A Rain Light Rain
2:53 AM 45.0 °F 42.6 °F 42.1 °F 90% 29.96 in 10.0 mi WNW 4.6 mph - 0.01 in Rain Light Rain
3:18 AM 44.6 °F 42.2 °F 42.8 °F 93% 30.03 in 10.0 mi West 4.6 mph - 0.00 in Rain Light Rain
3:53 AM 46.0 °F 44.8 °F 43.0 °F 89% 29.97 in 10.0 mi WNW 3.5 mph - 0.00 in   Overcast
4:53 AM 46.0 °F 42.5 °F 42.1 °F 86% 29.98 in 10.0 mi NNW 6.9 mph - 0.00 in Rain Light Rain
5:53 AM 46.4 °F 40.1 °F 39.2 °F 76% 30.06 in 10.0 mi North 15.0 mph - N/A   Overcast
6:53 AM 46.0 °F 39.6 °F 41.0 °F 83% 30.01 in 10.0 mi NNW 15.0 mph - N/A   Overcast
7:00 AM 46.4 °F 40.1 °F 39.2 °F 76% 30.07 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Overcast
7:53 AM 48.0 °F - 39.0 °F 71% 30.03 in 10.0 mi NNW 16.1 mph 21.9 mph N/A   Overcast
8:53 AM 50.0 °F - 37.0 °F 61% 30.03 in 10.0 mi North 26.5 mph 34.5 mph N/A   Overcast
9:53 AM 53.1 °F - 36.0 °F 52% 30.02 in 10.0 mi NNW 26.5 mph 38.0 mph N/A   Overcast
10:53 AM 54.0 °F - 37.0 °F 53% 30.03 in 10.0 mi North 25.3 mph 33.4 mph N/A   Mostly Cloudy
11:53 AM 55.4 °F - 35.6 °F 47% 30.11 in 10.0 mi North 26.5 mph 36.8 mph N/A   Mostly Cloudy
12:53 PM 57.0 °F - 36.0 °F 45% 30.02 in 10.0 mi North 24.2 mph 33.4 mph N/A   Scattered Clouds
1:53 PM 57.0 °F - 37.9 °F 49% 30.02 in 10.0 mi NNE 26.5 mph 41.4 mph N/A   Partly Cloudy
2:53 PM 59.0 °F - 37.0 °F 44% 30.00 in 10.0 mi North 24.2 mph 32.2 mph N/A   Clear
3:53 PM 59.0 °F - 37.0 °F 44% 29.98 in 10.0 mi NNE 28.8 mph 34.5 mph N/A   Clear
4:53 PM 57.9 °F - 37.0 °F 46% 29.99 in 10.0 mi NNE 28.8 mph 39.1 mph N/A   Clear
5:53 PM 57.0 °F - 36.0 °F 45% 29.98 in 10.0 mi NNE 26.5 mph 38.0 mph N/A   Clear
6:53 PM 55.9 °F - 34.0 °F 44% 30.00 in 10.0 mi NNE 26.5 mph 32.2 mph N/A   Clear
7:53 PM 53.6 °F - 33.8 °F 47% 30.10 in 10.0 mi North 17.3 mph 28.8 mph N/A   Mostly Cloudy
8:53 PM 51.1 °F - 35.1 °F 54% 30.03 in 10.0 mi NNE 16.1 mph 24.2 mph N/A   Mostly Cloudy
9:53 PM 50.0 °F - 36.0 °F 59% 30.05 in 10.0 mi North 12.7 mph - N/A   Scattered Clouds
10:53 PM 48.9 °F - 37.0 °F 64% 30.06 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
11:53 PM 48.9 °F - 36.0 °F 61% 30.06 in 10.0 mi NNE 8.1 mph - N/A   Overcast