History for Rock Springs, WY

Monday, December 31, 2012 — View Current Conditions
Monday, December 31, 2012
« Previous Day
Next Day »
Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 1 °F 21 °F  
Max Temperature 10 °F 30 °F 53 °F (1980)
Min Temperature -9 °F 12 °F -29 °F (1978)
Degree Days
Heating Degree Days 64 44  
Month to date heating degree days 1348 1357  
Since 1 July heating degree days 2924 3352  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 541 286  
Moisture
Dew Point -5 °F    
Average Humidity 80    
Maximum Humidity 87    
Minimum Humidity 73    
Precipitation
Precipitation 0.00 in 0.02 in 0.38 in (1975)
Month to date precipitation 0.08 0.50  
Year to date precipitation 3.01 8.56  
Sea Level Pressure
Sea Level Pressure 30.12 in    
Wind
Wind Speed 10 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
Certify This Report
History Location
Airport:
 
Trip Planner
Search our historical database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it will be!
Date:
Radar Archive
Click to View Archived Radar Loop
This image may take a moment to generate.
Local Photos

There were no photos found matching this date and location.
Visit WunderPhotos
Astronomy
May. 25, 2013 Rise Set
Actual Time 7:43 AM MST 4:56 PM MST
Civil Twilight 7:11 AM MST 5:27 PM MST
Nautical Twilight 6:36 AM MST 6:02 PM MST
Astronomical Twilight 6:03 AM MST 6:36 PM MST
Moon 8:33 PM MST (12/31) 9:23 AM MST (12/31)
Length Of Visible Light 10h 16m
Length of Day
9h 13m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Visit Astronomy
Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM -2.9 °F -13.3 °F -6.0 °F 87% 30.27 in 7.0 mi West 4.6 mph - N/A   Clear
1:54 AM -2.9 °F -13.3 °F -6.0 °F 87% 30.24 in 7.0 mi WSW 4.6 mph - N/A   Clear
2:54 AM -4.0 °F -23.0 °F -7.1 °F 87% 30.25 in 8.0 mi West 12.7 mph - N/A   Clear
3:54 AM -5.1 °F -21.5 °F -9.0 °F 83% 30.25 in 8.0 mi WSW 9.2 mph - N/A   Clear
4:25 AM -2.2 °F -18.0 °F -7.6 °F 78% 29.92 in 6.0 mi WSW 9.2 mph - N/A   Scattered Clouds
4:33 AM -0.4 °F -15.7 °F -4.0 °F 85% 29.92 in 2.5 mi West 9.2 mph - N/A   Mostly Cloudy
4:51 AM -0.4 °F -13.4 °F -5.8 °F 78% 29.91 in 4.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
4:54 AM -2.0 °F -16.6 °F -5.1 °F 87% 30.24 in 5.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
5:11 AM -2.2 °F -15.6 °F -7.6 °F 78% 29.91 in 5.0 mi WSW 6.9 mph - N/A   Scattered Clouds
5:29 AM -2.2 °F -12.5 °F -5.8 °F 85% 29.91 in 2.0 mi WSW 4.6 mph - N/A   Partly Cloudy
5:54 AM -2.9 °F -11.2 °F -7.1 °F 82% 30.25 in 2.5 mi NNW 3.5 mph - N/A   Clear
6:08 AM -4.0 °F - -7.6 °F 85% 29.91 in 2.0 mi Calm Calm - N/A   Scattered Clouds
6:12 AM -5.8 °F - -7.6 °F 92% 29.91 in 1.8 mi Calm Calm - N/A   Mostly Cloudy
6:25 AM -9.4 °F -18.6 °F -13.0 °F 84% 29.92 in 0.2 mi NE 3.5 mph - N/A Fog Light Freezing Fog
6:54 AM -7.1 °F -18.1 °F -11.0 °F 83% 30.30 in 0.2 mi NNW 4.6 mph - N/A Fog Light Freezing Fog
7:02 AM -5.8 °F -14.5 °F -9.4 °F 84% 29.93 in 1.2 mi WNW 3.5 mph - N/A   Mostly Cloudy
7:06 AM -5.8 °F -14.5 °F -9.4 °F 84% 29.93 in 3.0 mi West 3.5 mph - N/A   Mostly Cloudy
7:14 AM -5.8 °F -19.9 °F -9.4 °F 84% 29.93 in 5.0 mi West 6.9 mph - N/A   Haze
7:44 AM -5.8 °F -18.4 °F -9.4 °F 84% 29.93 in 0.8 mi WSW 5.8 mph - N/A   Clear
7:46 AM -5.8 °F -16.7 °F -9.4 °F 84% 29.93 in 0.2 mi WSW 4.6 mph - N/A Fog Light Freezing Fog
7:54 AM -6.0 °F -18.6 °F -9.9 °F 83% 30.30 in 0.5 mi SW 5.8 mph - N/A Fog Light Freezing Fog
7:56 AM -5.8 °F -18.4 °F -9.4 °F 84% 29.93 in 1.8 mi WSW 5.8 mph - N/A   Scattered Clouds
7:58 AM -5.8 °F -18.4 °F -9.4 °F 84% 29.93 in 3.0 mi WSW 5.8 mph - N/A   Partly Cloudy
8:11 AM -5.8 °F -19.9 °F -9.4 °F 84% 29.94 in 2.5 mi West 6.9 mph - N/A   Partly Cloudy
8:38 AM -5.8 °F -21.2 °F -9.4 °F 84% 29.95 in 3.0 mi West 8.1 mph - N/A   Partly Cloudy
8:54 AM -0.9 °F -12.7 °F -5.1 °F 83% 30.30 in 5.0 mi West 5.8 mph - N/A   Clear
9:51 AM 1.4 °F - -0.4 °F 92% 29.96 in 2.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 3.0 °F - -0.9 °F 84% 30.29 in 1.8 mi Calm Calm - N/A   Scattered Clouds
10:01 AM 3.2 °F - -0.4 °F 85% 29.97 in 3.0 mi Calm Calm - N/A   Partly Cloudy
10:54 AM 3.0 °F -4.4 °F -0.0 °F 87% 30.30 in 7.0 mi West 3.5 mph - N/A   Partly Cloudy
11:54 AM 6.1 °F -4.3 °F 1.9 °F 83% 30.30 in 10.0 mi West 5.8 mph - N/A   Clear
12:54 PM 9.0 °F -5.9 °F 3.9 °F 80% 30.26 in 10.0 mi West 11.5 mph - N/A   Clear
1:54 PM 10.0 °F -5.2 °F 3.9 °F 76% 30.25 in 10.0 mi WSW 12.7 mph - N/A   Clear
2:54 PM 10.0 °F -7.1 °F 3.0 °F 73% 30.24 in 10.0 mi WSW 16.1 mph - N/A   Clear
3:54 PM 9.0 °F -9.0 °F 3.0 °F 77% 30.28 in 10.0 mi West 17.3 mph - N/A   Clear
5:54 PM 6.1 °F -10.2 °F -0.0 °F 76% 30.30 in 10.0 mi WSW 12.7 mph - N/A   Clear
6:54 PM 6.1 °F -12.2 °F -0.0 °F 76% 30.35 in 10.0 mi WSW 16.1 mph - N/A   Clear
7:54 PM 6.1 °F -12.8 °F -0.0 °F 76% 30.33 in 10.0 mi WSW 17.3 mph - N/A   Clear
9:54 PM 6.1 °F -13.3 °F 1.0 °F 80% 30.30 in 10.0 mi WSW 18.4 mph - N/A   Clear
10:54 PM 6.1 °F -10.9 °F -0.0 °F 76% 30.32 in 10.0 mi WSW 13.8 mph - N/A   Clear
11:54 PM 6.1 °F -11.6 °F -0.0 °F 76% 30.32 in 10.0 mi WSW 15.0 mph - N/A   Clear
Show full METARS | METAR FAQ | Comma Delimited File