Weather History for Rock Springs, WY

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Saturday, December 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 21 °F 22 °F  
Max Temperature 31 °F 30 °F 51 °F (1976)
Min Temperature 11 °F 13 °F -20 °F (2005)
Degree Days  
Heating Degree Days 44 43  
Month to date heating degree days 256 339  
Since 1 July heating degree days 1832 2332  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 541 286  
Moisture  
Dew Point 15 °F    
Average Humidity 73    
Maximum Humidity 92    
Minimum Humidity 53    
Precipitation  
Precipitation 0.03 in 0.01 in 0.70 in (1985)
Month to date precipitation 0.03 0.13  
Year to date precipitation 2.96 8.19  
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 17 mph (West)    
Max Wind Speed 39 mph    
Max Gust Speed 47 mph    
Visibility 4 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 08, 2012 Rise Set
Actual Time 7:30 AM MST 4:45 PM MST
Civil Twilight 6:59 AM MST 5:17 PM MST
Nautical Twilight 6:24 AM MST 5:52 PM MST
Astronomical Twilight 5:51 AM MST 6:25 PM MST
Moon 1:55 AM MST (12/8) 1:20 PM MST (12/8)
Length of Visible Light 10h 17m
Length of Day
9h 15m
Waning Crescent, 27% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 30.0 °F 18.7 °F 16.0 °F 56% 29.84 in 10.0 mi SW 16.1 mph - N/A   Overcast
1:54 AM 30.0 °F 17.5 °F 16.0 °F 56% 29.82 in 10.0 mi WSW 19.6 mph - N/A   Overcast
2:54 AM 30.9 °F 17.8 °F 16.0 °F 54% 29.79 in 10.0 mi WSW 23.0 mph 32.2 mph N/A   Overcast
3:54 AM 30.9 °F 16.2 °F 17.1 °F 57% 29.78 in 10.0 mi WSW 29.9 mph 43.7 mph N/A   Overcast
4:54 AM 30.0 °F 16.6 °F 17.1 °F 59% 29.77 in 10.0 mi WSW 23.0 mph 28.8 mph N/A   Partly Cloudy
5:49 AM 28.4 °F 14.1 °F 23.0 °F 80% 29.72 in 2.5 mi West 24.2 mph 33.4 mph 0.00 in Snow Light Snow
5:54 AM 28.0 °F 13.6 °F 23.0 °F 81% 29.78 in 2.0 mi West 24.2 mph 32.2 mph 0.00 in Snow Light Snow
5:59 AM 26.6 °F 12.0 °F 24.8 °F 93% 29.73 in 1.8 mi West 23.0 mph 29.9 mph 0.00 in Snow Light Snow
6:10 AM 26.6 °F 12.7 °F 24.8 °F 93% 29.72 in 0.8 mi West 20.7 mph 34.5 mph 0.00 in Snow Light Snow
6:47 AM 24.8 °F 8.4 °F 23.0 °F 93% 29.73 in 0.5 mi WNW 27.6 mph 38.0 mph 0.01 in Fog , Snow Snow
6:54 AM 25.0 °F 8.1 °F 23.0 °F 92% 29.82 in 0.2 mi WNW 29.9 mph 44.9 mph 0.01 in Fog , Snow Heavy Snow
7:15 AM 24.8 °F 11.5 °F 23.0 °F 93% 29.74 in 0.5 mi West 17.3 mph 24.2 mph 0.01 in Fog , Snow Snow
7:35 AM 24.8 °F 12.4 °F 21.2 °F 86% 29.74 in 2.0 mi West 15.0 mph 24.2 mph 0.01 in Snow Light Snow
7:41 AM 24.8 °F 11.5 °F 21.2 °F 86% 29.74 in 3.0 mi West 17.3 mph 21.9 mph 0.01 in Snow Light Snow
7:45 AM 24.8 °F 11.5 °F 21.2 °F 86% 29.74 in 2.5 mi West 17.3 mph 26.5 mph 0.01 in Snow Light Snow
7:49 AM 24.8 °F 10.3 °F 21.2 °F 86% 29.74 in 1.8 mi West 20.7 mph 28.8 mph 0.01 in Snow Light Snow
7:54 AM 25.0 °F 11.7 °F 21.0 °F 85% 29.83 in 1.5 mi West 17.3 mph 28.8 mph 0.01 in Snow Light Snow
8:10 AM 24.8 °F 11.1 °F 21.2 °F 86% 29.74 in 1.5 mi West 18.4 mph 25.3 mph 0.00 in Snow Light Snow
8:17 AM 24.8 °F 9.6 °F 21.2 °F 86% 29.74 in 1.8 mi West 23.0 mph 28.8 mph 0.00 in Snow Light Snow
8:54 AM 25.0 °F 9.5 °F 21.0 °F 85% 29.85 in 1.5 mi West 24.2 mph - 0.00 in Snow Light Snow
9:06 AM 24.8 °F 9.0 °F 19.4 °F 80% 29.75 in 3.0 mi West 25.3 mph 33.4 mph 0.00 in Snow Light Snow
9:17 AM 24.8 °F 9.3 °F 19.4 °F 80% 29.75 in 5.0 mi West 24.2 mph 32.2 mph 0.00 in Snow Light Snow
9:54 AM 25.0 °F 8.4 °F 19.0 °F 78% 29.85 in 5.0 mi West 28.8 mph 36.8 mph 0.00 in   Haze
10:54 AM 26.1 °F 8.6 °F 19.0 °F 75% 29.85 in 2.5 mi West 34.5 mph 43.7 mph 0.00 in   Clear
11:07 AM 26.6 °F 9.3 °F 19.4 °F 74% 29.77 in 1.0 mi West 34.5 mph 47.2 mph 0.00 in   Mostly Cloudy
11:17 AM 26.6 °F 9.8 °F 19.4 °F 74% 29.77 in 3.0 mi West 32.2 mph 41.4 mph 0.00 in   Mostly Cloudy
11:31 AM 24.8 °F 7.6 °F 19.4 °F 80% 29.77 in 1.8 mi West 31.1 mph 44.9 mph 0.00 in Snow Light Snow
11:40 AM 23.0 °F 5.7 °F 17.6 °F 80% 29.78 in 0.5 mi WNW 28.8 mph 44.9 mph 0.00 in Snow Snow
11:51 AM 23.0 °F 5.7 °F 17.6 °F 80% 29.78 in 1.0 mi WNW 28.8 mph 40.3 mph 0.00 in Snow Light Snow
11:54 AM 23.0 °F 5.4 °F 18.0 °F 81% 29.87 in 1.0 mi WNW 29.9 mph 40.3 mph 0.00 in Snow Light Snow
12:16 PM 19.4 °F 2.8 °F 15.8 °F 86% 29.80 in 0.5 mi NNW 21.9 mph 43.7 mph 0.00 in Fog , Snow Snow
12:23 PM 17.6 °F 0.9 °F 14.0 °F 86% 29.80 in 0.2 mi NNW 20.7 mph 26.5 mph 0.00 in Fog , Snow Heavy Snow
12:32 PM 17.6 °F 2.7 °F 15.8 °F 93% 29.81 in 0.2 mi NW 16.1 mph 24.2 mph 0.01 in Fog , Snow Heavy Snow
12:54 PM 17.1 °F 2.0 °F 14.0 °F 88% 29.92 in 0.2 mi NNW 16.1 mph 26.5 mph 0.01 in Fog , Snow Snow
1:03 PM 17.6 °F 3.2 °F 14.0 °F 86% 29.81 in 0.5 mi NW 15.0 mph - 0.00 in Fog , Snow Snow
1:10 PM 17.6 °F 3.2 °F 14.0 °F 86% 29.81 in 0.5 mi NW 15.0 mph 21.9 mph 0.00 in Fog , Snow Light Snow
1:22 PM 17.6 °F 5.0 °F 14.0 °F 86% 29.81 in 1.0 mi NW 11.5 mph - 0.00 in Snow Light Snow
1:31 PM 19.4 °F 8.6 °F 14.0 °F 80% 29.82 in 3.0 mi WNW 9.2 mph - 0.00 in Snow Light Snow
1:50 PM 19.4 °F 5.5 °F 14.0 °F 80% 29.83 in 9.0 mi West 15.0 mph 21.9 mph 0.00 in   Overcast
1:54 PM 19.9 °F 4.8 °F 14.0 °F 78% 29.93 in 5.0 mi WNW 18.4 mph 26.5 mph 0.00 in Snow Light Snow
1:57 PM 19.4 °F 4.5 °F 12.2 °F 74% 29.83 in 2.5 mi WNW 17.3 mph 26.5 mph 0.00 in Snow Light Snow
2:06 PM 19.4 °F 2.1 °F 12.2 °F 74% 29.83 in 1.5 mi WNW 24.2 mph 33.4 mph 0.00 in Snow Light Snow
2:12 PM 19.4 °F 5.5 °F 12.2 °F 74% 29.83 in 3.0 mi West 15.0 mph 33.4 mph 0.00 in Snow Light Snow
2:22 PM 19.4 °F 4.1 °F 8.6 °F 63% 29.83 in 9.0 mi WNW 18.4 mph 34.5 mph 0.00 in   Overcast
2:54 PM 19.9 °F 5.7 °F 3.9 °F 50% 29.94 in 10.0 mi WNW 16.1 mph 28.8 mph 0.00 in   Overcast
3:54 PM 18.0 °F 6.9 °F 6.1 °F 60% 29.98 in 10.0 mi NNW 9.2 mph - N/A   Overcast
4:54 PM 17.1 °F 6.6 °F 5.0 °F 59% 30.01 in 10.0 mi West 8.1 mph - N/A   Overcast
5:54 PM 15.1 °F 5.2 °F 3.9 °F 61% 30.04 in 10.0 mi West 6.9 mph - N/A   Overcast
6:54 PM 15.1 °F 3.3 °F 5.0 °F 64% 30.07 in 10.0 mi West 9.2 mph - N/A   Overcast
7:54 PM 12.9 °F 1.6 °F 5.0 °F 71% 30.09 in 10.0 mi West 8.1 mph - N/A   Overcast
8:54 PM 14.0 °F 2.9 °F 1.9 °F 59% 30.09 in 10.0 mi WNW 8.1 mph - N/A   Overcast
9:54 PM 12.0 °F 0.5 °F 3.0 °F 67% 30.12 in 10.0 mi West 8.1 mph - N/A   Overcast
10:54 PM 12.9 °F - 1.0 °F 59% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
11:54 PM 10.9 °F - -0.9 °F 59% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy