Weather History for Rock Springs, WY

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Thursday, February 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 27 °F 26 °F  
Max Temperature 34 °F 36 °F 54 °F (2002)
Min Temperature 19 °F 17 °F -5 °F (1969)
Degree Days  
Heating Degree Days 38 39  
Month to date heating degree days 903 958  
Since 1 July heating degree days 5099 5662  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 51    
Maximum Humidity 74    
Minimum Humidity 28    
Precipitation  
Precipitation T in 0.02 in 0.17 in (1961)
Month to date precipitation 0.25 0.40  
Year to date precipitation 0.46 0.85  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 20 mph (WNW)    
Max Wind Speed 28 mph    
Max Gust Speed 58 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Feb. 23, 2012 Rise Set
Actual Time 7:00 AM MST 5:59 PM MST
Civil Twilight 6:32 AM MST 6:27 PM MST
Nautical Twilight 6:00 AM MST 6:59 PM MST
Astronomical Twilight 5:28 AM MST 7:31 PM MST
Moon 7:26 AM MST (2/23) 8:10 PM MST (2/23)
Length of Visible Light 11h 54m
Length of Day
10h 58m
Waxing Crescent, 3% of the Moon is Illuminated
Feb 23
Waxing Crescent
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter
Mar 22
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 33.8 °F 18.3 °F 26.6 °F 75% 29.65 in 3.0 mi WNW 40.3 mph 52.9 mph 0.00 in Snow Light Snow
12:04 AM 32.0 °F 16.5 °F 26.6 °F 80% 29.65 in 1.8 mi West 35.7 mph 57.5 mph 0.00 in Snow Light Snow
12:21 AM 30.2 °F 14.1 °F 26.6 °F 86% 29.65 in 3.0 mi WNW 35.7 mph 57.5 mph 0.00 in Snow Light Snow
12:34 AM 32.0 °F 16.5 °F 21.2 °F 64% 29.66 in 10.0 mi WNW 35.7 mph 54.1 mph 0.00 in   Mostly Cloudy
12:54 AM 30.9 °F 16.7 °F 21.0 °F 67% 29.65 in 10.0 mi WNW 27.6 mph 46.0 mph 0.00 in   Clear
1:30 AM 24.8 °F 10.0 °F 19.4 °F 80% 29.73 in 1.8 mi NW 21.9 mph 38.0 mph 0.00 in Snow Light Snow
1:42 AM 24.8 °F 8.7 °F 19.4 °F 80% 29.74 in 1.0 mi NW 26.5 mph 33.4 mph 0.00 in Snow Light Snow
1:52 AM 24.8 °F 9.0 °F 17.6 °F 74% 29.74 in 2.0 mi NW 25.3 mph 35.7 mph 0.00 in Snow Light Snow
1:53 AM 24.1 °F 8.0 °F 17.1 °F 75% 29.76 in 3.0 mi NW 25.3 mph 35.7 mph 0.00 in Snow Light Snow
2:07 AM 23.0 °F 7.6 °F 15.8 °F 74% 29.74 in 10.0 mi NW 21.9 mph 34.5 mph 0.00 in   Overcast
2:54 AM 24.1 °F 10.6 °F 12.0 °F 60% 29.78 in 10.0 mi NW 17.3 mph 25.3 mph 0.00 in   Overcast
3:54 AM 23.0 °F 7.2 °F 7.0 °F 50% 29.80 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Overcast
4:54 AM 23.0 °F 9.2 °F 9.0 °F 55% 29.83 in 10.0 mi WNW 17.3 mph 29.9 mph N/A   Overcast
5:54 AM 21.9 °F 7.8 °F 10.0 °F 60% 29.87 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Mostly Cloudy
6:54 AM 19.4 °F 5.5 °F 8.6 °F 63% 29.85 in 10.0 mi WNW 15.0 mph - N/A   Clear
7:54 AM 21.0 °F 7.1 °F 7.0 °F 55% 29.91 in 10.0 mi NW 16.1 mph - N/A   Clear
8:54 AM 23.0 °F 6.9 °F 6.1 °F 48% 29.93 in 10.0 mi NW 24.2 mph 34.5 mph N/A   Clear
9:54 AM 25.0 °F 9.2 °F 6.1 °F 45% 29.96 in 10.0 mi NNW 25.3 mph 35.7 mph N/A   Clear
10:54 AM 27.0 °F 13.2 °F 5.0 °F 39% 29.97 in 10.0 mi NW 20.7 mph 29.9 mph N/A   Clear
11:54 AM 28.0 °F 13.0 °F 3.9 °F 36% 29.98 in 10.0 mi NW 26.5 mph 35.7 mph N/A   Clear
12:54 PM 28.9 °F 15.4 °F 5.0 °F 36% 29.99 in 10.0 mi NW 21.9 mph 31.1 mph N/A   Partly Cloudy
1:54 PM 30.0 °F 17.2 °F 1.9 °F 30% 30.02 in 10.0 mi NW 20.7 mph 35.7 mph N/A   Partly Cloudy
2:54 PM 28.0 °F 13.9 °F 1.0 °F 31% 30.04 in 10.0 mi NW 23.0 mph 31.1 mph N/A   Partly Cloudy
3:54 PM 27.0 °F 14.7 °F 3.0 °F 36% 30.08 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Overcast
4:54 PM 28.0 °F 14.6 °F 3.0 °F 34% 30.08 in 10.0 mi NW 20.7 mph 28.8 mph 0.00 in   Overcast
5:54 PM 25.0 °F 10.2 °F 5.0 °F 43% 30.13 in 10.0 mi WNW 21.9 mph 29.9 mph N/A   Partly Cloudy
6:54 PM 21.9 °F 8.7 °F 9.0 °F 58% 30.17 in 10.0 mi West 15.0 mph 25.3 mph N/A   Clear
7:54 PM 21.9 °F 7.3 °F 7.0 °F 53% 30.18 in 10.0 mi West 18.4 mph - N/A   Clear
8:54 PM 21.0 °F 6.6 °F 9.0 °F 60% 30.19 in 10.0 mi West 17.3 mph - N/A   Clear
9:54 PM 19.9 °F 5.2 °F 10.9 °F 68% 30.20 in 10.0 mi West 17.3 mph 21.9 mph N/A   Clear
10:54 PM 19.9 °F 7.3 °F 10.9 °F 68% 30.20 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
11:54 PM 19.9 °F 5.7 °F 10.9 °F 68% 30.21 in 10.0 mi WSW 16.1 mph - N/A   Partly Cloudy