Weather History for Rock Springs, WY

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Thursday, January 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 30 °F 22 °F  
Max Temperature 34 °F 31 °F 53 °F (1971)
Min Temperature 25 °F 12 °F -22 °F (1985)
Degree Days  
Heating Degree Days 35 43  
Month to date heating degree days 1445 1358  
Since 1 July heating degree days 4369 4704  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 21 °F    
Average Humidity 69    
Maximum Humidity 81    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.02 in 0.14 in (1981)
Month to date precipitation T 0.45  
Year to date precipitation T 0.45  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 25 mph (WSW)    
Max Wind Speed 35 mph    
Max Gust Speed 44 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 31, 2013 Rise Set
Actual Time 7:28 AM MST 5:31 PM MST
Civil Twilight 6:59 AM MST 6:00 PM MST
Nautical Twilight 6:26 AM MST 6:33 PM MST
Astronomical Twilight 5:53 AM MST 7:06 PM MST
Moon 10:41 PM MST (1/31) 9:25 AM MST (1/31)
Length of Visible Light 11h 01m
Length of Day
10h 02m
Waning Gibbous, 79% of the Moon is Illuminated
Jan 31
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:40 AM 28.4 °F 13.0 °F 21.2 °F 74% 30.01 in 10.0 mi West 28.8 mph 38.0 mph N/A   Mostly Cloudy
12:54 AM 28.0 °F 12.3 °F 21.0 °F 75% 30.08 in 10.0 mi West 29.9 mph 36.8 mph N/A   Scattered Clouds
1:54 AM 27.0 °F 10.8 °F 21.0 °F 78% 30.08 in 10.0 mi West 29.9 mph 36.8 mph N/A   Partly Cloudy
2:54 AM 27.0 °F 11.9 °F 19.9 °F 75% 30.12 in 10.0 mi WSW 25.3 mph 32.2 mph N/A   Scattered Clouds
3:54 AM 26.1 °F 11.3 °F 19.9 °F 78% 30.13 in 10.0 mi WSW 23.0 mph 28.8 mph N/A   Clear
4:54 AM 27.0 °F 11.9 °F 19.9 °F 75% 30.17 in 10.0 mi WSW 25.3 mph 36.8 mph N/A   Overcast
5:35 AM 26.6 °F 11.7 °F 19.4 °F 74% 30.10 in 10.0 mi WSW 24.2 mph - N/A   Overcast
5:54 AM 27.0 °F 12.5 °F 19.9 °F 75% 30.20 in 10.0 mi WSW 23.0 mph 29.9 mph N/A   Overcast
6:23 AM 26.6 °F 11.4 °F 19.4 °F 74% 30.12 in 10.0 mi WSW 25.3 mph 32.2 mph N/A   Mostly Cloudy
6:54 AM 26.1 °F 11.0 °F 19.9 °F 78% 30.22 in 10.0 mi WSW 24.2 mph 33.4 mph N/A   Mostly Cloudy
7:54 AM 26.1 °F 12.7 °F 19.0 °F 75% 30.24 in 10.0 mi WSW 18.4 mph - N/A   Clear
8:54 AM 28.0 °F 13.9 °F 19.9 °F 72% 30.25 in 10.0 mi WSW 23.0 mph - N/A   Partly Cloudy
9:54 AM 30.9 °F 15.9 °F 21.0 °F 67% 30.26 in 10.0 mi West 31.1 mph 36.8 mph N/A   Clear
10:54 AM - - - N/A% 30.20 in - North - - N/A   Unknown
11:54 AM - - - N/A% 30.19 in 10.0 mi WSW 29.9 mph 38.0 mph N/A   Overcast
12:02 PM 33.8 °F 20.5 °F 21.2 °F 60% 30.19 in 10.0 mi West 27.6 mph 35.7 mph N/A   Overcast
12:18 PM 33.8 °F 20.5 °F 21.2 °F 60% 30.18 in 10.0 mi West 27.6 mph 36.8 mph N/A   Overcast
12:54 PM 33.1 °F 19.6 °F 21.0 °F 61% 30.23 in 10.0 mi West 27.6 mph 35.7 mph N/A   Overcast
1:18 PM 33.8 °F 20.5 °F 21.2 °F 60% 30.17 in 10.0 mi West 27.6 mph 35.7 mph N/A   Overcast
1:54 PM 34.0 °F 20.8 °F 21.0 °F 59% 30.22 in 10.0 mi West 27.6 mph - N/A   Overcast
2:54 PM 33.1 °F 19.3 °F 19.9 °F 59% 30.23 in 10.0 mi West 28.8 mph 36.8 mph N/A   Overcast
3:54 PM 33.1 °F 20.3 °F 21.0 °F 61% 30.24 in 10.0 mi West 24.2 mph 31.1 mph N/A   Scattered Clouds
5:54 PM 30.0 °F 16.3 °F 21.9 °F 72% 30.26 in 10.0 mi West 24.2 mph - N/A   Overcast
6:54 PM 30.0 °F 16.9 °F 21.9 °F 72% 30.28 in 10.0 mi West 21.9 mph - N/A   Overcast
7:54 PM 28.9 °F 16.9 °F 21.9 °F 75% 30.29 in 10.0 mi WSW 17.3 mph - N/A   Overcast
8:54 PM 28.9 °F 15.8 °F 21.9 °F 75% 30.27 in 10.0 mi WSW 20.7 mph - N/A   Overcast
9:54 PM 30.0 °F 17.5 °F 21.9 °F 72% 30.24 in 10.0 mi WSW 19.6 mph - N/A   Overcast
11:54 PM 30.0 °F 16.6 °F 23.0 °F 75% 30.18 in 10.0 mi West 23.0 mph - N/A   Overcast