Riverton, WY

3:21 PM MST on November 18, 2017 (GMT -0700)
Riverton Regional

Weather History for KRIW - September, 2012

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Tuesday, September 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 66 °F 60 °F  
Max Temperature 81 °F 75 °F 87 °F (2004)
Min Temperature 50 °F 46 °F 30 °F (2014)
Degree Days  
Heating Degree Days 0 6  
Month to date heating degree days 10 46  
Since 1 July heating degree days 14 84  
Cooling Degree Days 1 1  
Month to date cooling degree days 22 19  
Year to date cooling degree days 763 487  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 41    
Maximum Humidity 66    
Minimum Humidity 15    
Precipitation  
Precipitation 0.00 in 0.02 in 0.13 in (1997)
Month to date precipitation 0.03 0.22  
Year to date precipitation 2.17 7.04  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 8 mph (North)    
Max Wind Speed 21 mph    
Max Gust Speed 31 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

Sep. 11, 2012 Rise Set
Actual Time 6:49 AM MDT 7:30 PM MDT
Civil Twilight 6:21 AM MDT 7:58 PM MDT
Nautical Twilight 5:47 AM MDT 8:32 PM MDT
Astronomical Twilight 5:11 AM MDT 9:07 PM MDT
Moon 2:04 AM MDT (9/11) 4:47 PM MDT (9/11)
Length of Visible Light 13h 37m
Length of Day
12h 40m
Waning Crescent, 21% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 61.0 °F 44.1 °F 54% 29.76 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 61.0 °F 45.0 °F 56% 29.77 in 10.0 mi NW 8.1 mph - N/A   Clear
2:53 AM 59.0 °F 46.9 °F 64% 29.78 in 10.0 mi Variable 6.9 mph - N/A   Clear
3:53 AM 57.0 °F 44.1 °F 62% 29.79 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:53 AM 55.9 °F 43.0 °F 62% 29.80 in 10.0 mi SE 4.6 mph - N/A   Clear
5:53 AM 57.0 °F 37.0 °F 47% 29.83 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:53 AM 55.0 °F 37.9 °F 53% 29.82 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:53 AM 59.0 °F 37.9 °F 46% 29.84 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 55.9 °F 45.0 °F 67% 29.86 in 10.0 mi NNE 3.5 mph - N/A   Clear
9:53 AM 64.9 °F 43.0 °F 45% 29.82 in 10.0 mi North 3.5 mph - N/A   Clear
10:53 AM 66.9 °F 41.0 °F 39% 29.82 in 10.0 mi North 6.9 mph - N/A   Clear
11:53 AM 70.0 °F 30.0 °F 23% 29.80 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 73.9 °F 30.9 °F 21% 29.78 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:53 PM 75.9 °F 30.0 °F 19% 29.77 in 10.0 mi NE 5.8 mph - N/A   Clear
2:53 PM 80.1 °F 28.9 °F 15% 29.75 in 10.0 mi Variable 5.8 mph - N/A   Clear
3:53 PM 79.0 °F 26.1 °F 14% 29.75 in 10.0 mi NW 6.9 mph - N/A   Clear
4:41 PM 77.0 °F 26.6 °F 16% 29.95 in 10.0 mi North 20.7 mph 26.5 mph N/A   Clear
4:53 PM 75.2 °F 26.6 °F 17% 29.96 in 10.0 mi North 19.6 mph 31.1 mph N/A   Clear
5:53 PM 70.0 °F 23.0 °F 17% 29.82 in 10.0 mi NNE 20.7 mph 29.9 mph N/A   Clear
6:53 PM 66.9 °F 24.1 °F 20% 29.87 in 10.0 mi NNE 18.4 mph 25.3 mph N/A   Clear
7:53 PM 64.0 °F 24.1 °F 22% 29.88 in 10.0 mi NNE 20.7 mph 27.6 mph N/A   Clear
8:53 PM 61.0 °F 25.0 °F 25% 29.97 in 10.0 mi NNE 10.4 mph - N/A   Clear
9:53 PM 57.9 °F 25.0 °F 28% 29.99 in 10.0 mi NE 6.9 mph - N/A   Clear
10:53 PM 55.9 °F 26.1 °F 32% 30.01 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
11:53 PM 53.1 °F 27.0 °F 37% 30.04 in 10.0 mi NE 3.5 mph - N/A   Clear