Weather History for Rock Springs, WY

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Saturday, September 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 63 °F 54 °F  
Max Temperature 76 °F 68 °F 82 °F (1967)
Min Temperature 50 °F 41 °F 22 °F (1995)
Degree Days  
Heating Degree Days 2 11  
Month to date heating degree days 89 147  
Since 1 July heating degree days 90 211  
Cooling Degree Days 0 0  
Month to date cooling degree days 44 7  
Year to date cooling degree days 517 284  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 28 °F    
Average Humidity 29    
Maximum Humidity 44    
Minimum Humidity 13    
Precipitation  
Precipitation 0.00 in 0.04 in 0.32 in (1963)
Month to date precipitation 0.63 0.63  
Year to date precipitation 2.83 6.41  
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 9 mph (South)    
Max Wind Speed 30 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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Astronomy

Sep. 21, 2013 Rise Set
Actual Time 7:02 AM MDT 7:14 PM MDT
Civil Twilight 6:35 AM MDT 7:42 PM MDT
Nautical Twilight 6:02 AM MDT 8:14 PM MDT
Astronomical Twilight 5:29 AM MDT 8:47 PM MDT
Moon 8:24 PM MDT (9/21) 9:27 AM MDT (9/21)
Length of Visible Light 13h 07m
Length of Day
12h 11m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 55.9 °F 28.0 °F 34% 29.88 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 57.0 °F 28.0 °F 33% 29.87 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:54 AM 52.0 °F 28.9 °F 41% 29.86 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:54 AM 53.1 °F 28.0 °F 38% 29.85 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 55.0 °F 28.0 °F 35% 29.84 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 51.1 °F 28.9 °F 43% 29.86 in 10.0 mi SE 5.8 mph - N/A   Clear
6:54 AM 50.0 °F 28.9 °F 44% 29.87 in 10.0 mi ESE 3.5 mph - N/A   Clear
7:54 AM 51.1 °F 30.0 °F 44% 29.89 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:54 AM 55.0 °F 28.9 °F 37% 29.89 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 62.1 °F 28.9 °F 29% 29.87 in 10.0 mi North 4.6 mph - N/A   Clear
10:54 AM 66.0 °F 28.9 °F 25% 29.85 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 69.1 °F 28.9 °F 22% 29.82 in 10.0 mi SW 3.5 mph - N/A   Clear
12:54 PM 71.1 °F 26.1 °F 19% 29.77 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:54 PM 73.0 °F 27.0 °F 18% 29.74 in 10.0 mi South 12.7 mph 18.4 mph N/A   Clear
2:54 PM 73.0 °F 26.1 °F 17% 29.72 in 10.0 mi South 11.5 mph 23.0 mph N/A   Clear
3:54 PM 73.9 °F 23.0 °F 15% 29.69 in 10.0 mi South 19.6 mph 35.7 mph N/A   Clear
4:54 PM 73.0 °F 19.9 °F 14% 29.66 in 10.0 mi SSW 26.5 mph 35.7 mph N/A   Clear
5:54 PM 71.1 °F 25.0 °F 18% 29.68 in 10.0 mi South 27.6 mph 33.4 mph N/A   Clear
6:54 PM 68.0 °F 28.0 °F 22% 29.67 in 10.0 mi South 19.6 mph 27.6 mph N/A   Clear
7:54 PM 63.0 °F 30.0 °F 29% 29.68 in 10.0 mi SSW 19.6 mph - N/A   Clear
8:54 PM 64.0 °F 28.9 °F 27% 29.66 in 10.0 mi South 15.0 mph 25.3 mph N/A   Clear
9:54 PM 61.0 °F 32.0 °F 34% 29.65 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
10:54 PM 61.0 °F 35.1 °F 38% 29.64 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
11:54 PM 59.0 °F 35.1 °F 41% 29.62 in 10.0 mi SW 4.6 mph - N/A   Clear