Weather History for Rock Springs, WY

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Friday, September 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 52 °F  
Max Temperature 43 °F 65 °F 82 °F (1969)
Min Temperature 31 °F 38 °F 18 °F (1996)
Degree Days  
Heating Degree Days 28 13  
Month to date heating degree days 188 221  
Since 1 July heating degree days 189 285  
Cooling Degree Days 0 0  
Month to date cooling degree days 44 7  
Year to date cooling degree days 517 284  
Moisture  
Dew Point 30 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 60    
Precipitation  
Precipitation 0.10 in 0.03 in 0.81 in (2014)
Month to date precipitation 1.37 0.82  
Year to date precipitation 3.57 6.60  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 12 mph (NNW)    
Max Wind Speed 26 mph    
Max Gust Speed 31 mph    
Visibility 3 miles    
Events Fog , Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 27, 2013 Rise Set
Actual Time 7:09 AM MDT 7:04 PM MDT
Civil Twilight 6:41 AM MDT 7:31 PM MDT
Nautical Twilight 6:09 AM MDT 8:04 PM MDT
Astronomical Twilight 5:36 AM MDT 8:36 PM MDT
Moon 12:03 AM MDT (9/27) 2:49 PM MDT (9/27)
Length of Visible Light 12h 50m
Length of Day
11h 55m
Last Quarter, 44% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:04 AM 32.0 °F - 30.2 °F 93% 29.90 in 1.5 mi Calm Calm - 0.00 in   Overcast
12:13 AM 32.0 °F - 32.0 °F 100% 29.91 in 0.5 mi Calm Calm - 0.00 in Fog Fog
12:24 AM 32.0 °F - 32.0 °F 100% 29.91 in 1.0 mi Calm Calm - 0.00 in   Overcast
12:33 AM 32.0 °F 26.4 °F 30.2 °F 93% 29.89 in 0.2 mi ENE 5.8 mph - 0.00 in Fog Fog
12:44 AM 32.0 °F 28.7 °F 30.2 °F 93% 29.89 in 0.2 mi ENE 3.5 mph - 0.00 in Fog Fog
12:54 AM 32.0 °F 27.5 °F 32.0 °F 100% 29.83 in 1.8 mi ENE 4.6 mph - 0.00 in   Overcast
12:56 AM 32.0 °F 28.7 °F 32.0 °F 100% 29.89 in 4.0 mi ENE 3.5 mph - N/A   Overcast
1:13 AM 32.0 °F 25.6 °F 30.2 °F 93% 29.87 in 1.5 mi NE 6.9 mph - 0.00 in Snow Light Snow
1:26 AM 32.0 °F 24.8 °F 30.2 °F 93% 29.87 in 3.0 mi ENE 8.1 mph - 0.00 in Snow Light Snow
1:46 AM 32.0 °F 24.8 °F 30.2 °F 93% 29.89 in 5.0 mi ENE 8.1 mph - 0.00 in Snow Light Snow
1:54 AM 32.0 °F 24.8 °F 30.9 °F 96% 29.81 in 4.0 mi NE 8.1 mph - 0.00 in Snow Light Snow
2:00 AM 32.0 °F 24.8 °F 30.2 °F 93% 29.88 in 1.8 mi ENE 8.1 mph - 0.01 in Snow Light Snow
2:23 AM 32.0 °F 22.5 °F 30.2 °F 93% 29.85 in 0.8 mi NE 12.7 mph 16.1 mph 0.01 in Snow Light Snow
2:33 AM 32.0 °F 24.8 °F 30.2 °F 93% 29.87 in 0.2 mi NE 8.1 mph - 0.02 in Fog , Snow Snow
2:49 AM 32.0 °F 25.6 °F 30.2 °F 93% 29.88 in 0.5 mi NE 6.9 mph - 0.02 in Fog , Snow Light Snow
2:54 AM 32.0 °F 26.4 °F 32.0 °F 100% 29.81 in 0.5 mi ENE 5.8 mph - 0.02 in Fog , Snow Light Snow
3:07 AM 32.0 °F 26.4 °F 30.2 °F 93% 29.87 in 0.8 mi NE 5.8 mph - 0.00 in Snow Light Snow
3:29 AM 32.0 °F 28.7 °F 30.2 °F 93% 29.87 in 1.0 mi ENE 3.5 mph - 0.01 in Snow Light Snow
3:36 AM 32.0 °F 26.4 °F 30.2 °F 93% 29.87 in 1.0 mi ENE 5.8 mph - 0.01 in Snow Light Snow
3:45 AM 32.0 °F 27.5 °F 30.2 °F 93% 29.87 in 0.5 mi NE 4.6 mph - 0.02 in Fog , Snow Snow
3:54 AM 32.0 °F 27.5 °F 30.9 °F 96% 29.80 in 0.5 mi NNE 4.6 mph - 0.02 in Fog , Snow Snow
4:05 AM 32.0 °F 28.7 °F 30.2 °F 93% 29.88 in 1.0 mi North 3.5 mph - 0.00 in Snow Light Snow
4:30 AM 32.0 °F 27.5 °F 30.2 °F 93% 29.87 in 0.8 mi NNE 4.6 mph - 0.00 in Snow Light Snow
4:37 AM 32.0 °F 26.4 °F 30.2 °F 93% 29.86 in 1.0 mi NNE 5.8 mph - 0.00 in Snow Light Snow
4:43 AM 32.0 °F 27.5 °F 30.2 °F 93% 29.86 in 0.5 mi NE 4.6 mph - 0.00 in Fog , Snow Light Snow
4:54 AM 32.0 °F 24.8 °F 30.9 °F 96% 29.79 in 0.5 mi North 8.1 mph - 0.00 in Fog , Snow Light Snow
5:07 AM 32.0 °F 28.7 °F 30.2 °F 93% 29.86 in 0.5 mi NNW 3.5 mph - 0.00 in Fog , Snow Light Snow
5:16 AM 32.0 °F - 30.2 °F 93% 29.87 in 0.8 mi Calm Calm - 0.01 in Snow Light Snow
5:54 AM 30.9 °F 26.2 °F 30.0 °F 96% 29.84 in 0.5 mi ENE 4.6 mph - 0.03 in Fog , Snow Snow
6:08 AM 30.2 °F 25.4 °F 30.2 °F 100% 29.86 in 0.8 mi ENE 4.6 mph - 0.00 in Snow Light Snow
6:44 AM 30.2 °F 24.3 °F 30.2 °F 100% 29.86 in 1.2 mi NNE 5.8 mph - 0.00 in Snow Light Snow
6:51 AM 30.2 °F 24.3 °F 30.2 °F 100% 29.87 in 3.0 mi NE 5.8 mph - 0.00 in Snow Light Snow
6:54 AM 30.9 °F 26.2 °F 30.0 °F 96% 29.86 in 4.0 mi NNE 4.6 mph - 0.00 in Snow Light Snow
7:40 AM 30.2 °F - 30.2 °F 100% 29.88 in 7.0 mi Calm Calm - 0.00 in   Overcast
7:54 AM 30.9 °F - 30.0 °F 96% 29.90 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
8:03 AM 30.2 °F - 30.2 °F 100% 29.89 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
8:10 AM 30.2 °F - 30.2 °F 100% 29.89 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
8:12 AM 30.2 °F - 30.2 °F 100% 29.89 in 3.0 mi Calm Calm - 0.00 in Snow Light Snow
8:20 AM 30.2 °F - 30.2 °F 100% 29.89 in 1.5 mi Calm Calm - 0.00 in   Overcast
8:39 AM 30.2 °F - 30.2 °F 100% 29.89 in 1.0 mi Calm Calm - 0.00 in   Overcast
8:54 AM 30.9 °F 27.5 °F 30.9 °F 100% 29.92 in 0.5 mi SW 3.5 mph - 0.00 in Fog Light Freezing Fog
8:59 AM 30.2 °F 25.4 °F 30.2 °F 100% 29.90 in 0.2 mi SSW 4.6 mph - N/A Fog Light Freezing Fog
9:11 AM 30.2 °F - 30.2 °F 100% 29.90 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
9:17 AM 30.2 °F 26.7 °F 30.2 °F 100% 29.90 in 0.5 mi West 3.5 mph - N/A Fog Light Freezing Fog
9:21 AM 30.2 °F 26.7 °F 30.2 °F 100% 29.90 in 1.0 mi WNW 3.5 mph - N/A   Overcast
9:26 AM 32.0 °F - 30.2 °F 93% 29.90 in 3.0 mi Calm Calm - N/A   Overcast
9:49 AM 30.2 °F 24.3 °F 30.2 °F 100% 29.91 in 8.0 mi SW 5.8 mph - N/A   Overcast
9:54 AM 32.0 °F 27.5 °F 30.9 °F 96% 29.95 in 6.0 mi WSW 4.6 mph - N/A   Overcast
10:14 AM 32.0 °F - 30.2 °F 93% 29.91 in 7.0 mi Calm Calm - N/A   Overcast
10:34 AM 32.0 °F - 30.2 °F 93% 29.92 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
10:40 AM 32.0 °F - 30.2 °F 93% 29.93 in 0.8 mi Calm Calm - 0.00 in Snow Light Snow
10:49 AM 32.0 °F 28.7 °F 30.2 °F 93% 29.93 in 0.2 mi SW 3.5 mph - 0.01 in Fog , Snow Heavy Snow
10:50 AM 32.0 °F 28.7 °F 30.0 °F 92% 29.97 in 0.2 mi SW 3.5 mph - 0.01 in Fog , Snow Heavy Snow
11:00 AM 32.0 °F 28.7 °F 30.2 °F 93% 29.93 in 0.5 mi SSW 3.5 mph - 0.00 in Fog , Snow Snow
11:09 AM 32.0 °F 27.5 °F 30.2 °F 93% 29.94 in 0.8 mi South 4.6 mph - 0.00 in Snow Light Snow
11:16 AM 32.0 °F 27.5 °F 30.2 °F 93% 29.94 in 0.5 mi South 4.6 mph - 0.00 in Fog , Snow Light Snow
11:30 AM 32.0 °F 27.5 °F 32.0 °F 100% 29.94 in 0.5 mi SSW 4.6 mph - 0.00 in Fog , Snow Snow
11:38 AM 32.0 °F 27.5 °F 30.2 °F 93% 29.94 in 0.2 mi South 4.6 mph - 0.01 in Fog , Snow Heavy Snow
11:54 AM 32.0 °F 24.2 °F 30.9 °F 96% 29.98 in 0.2 mi SW 9.2 mph - 0.02 in Fog , Snow Light Snow
12:05 PM 33.8 °F 24.8 °F 32.0 °F 93% 29.95 in 1.0 mi WSW 12.7 mph - 0.00 in Snow Light Snow
12:15 PM 33.8 °F 23.9 °F 32.0 °F 93% 29.95 in 2.0 mi West 15.0 mph - 0.00 in Snow Light Snow
12:36 PM 33.8 °F 24.8 °F 32.0 °F 93% 29.95 in 4.0 mi West 12.7 mph - 0.00 in Snow Light Snow
12:44 PM 33.8 °F 24.8 °F 32.0 °F 93% 29.96 in 8.0 mi WNW 12.7 mph - 0.00 in Rain Light Rain
12:54 PM 34.0 °F 25.5 °F 32.0 °F 92% 29.99 in 8.0 mi NW 11.5 mph - 0.00 in   Overcast
1:05 PM 33.8 °F 25.8 °F 32.0 °F 93% 29.97 in 4.0 mi North 10.4 mph - 0.00 in Rain Light Rain
1:07 PM 33.8 °F 25.3 °F 32.0 °F 93% 29.97 in 1.5 mi North 11.5 mph - 0.00 in Snow Light Snow
1:18 PM 33.8 °F 27.7 °F 32.0 °F 93% 29.97 in 3.0 mi Variable 6.9 mph - 0.00 in   Overcast
1:52 PM 35.6 °F 29.2 °F 33.8 °F 93% 29.97 in 10.0 mi NW 8.1 mph - 0.00 in   Overcast
1:54 PM 36.0 °F 30.3 °F 34.0 °F 93% 29.99 in 10.0 mi NW 6.9 mph - 0.00 in   Overcast
2:24 PM 39.2 °F 33.0 °F 33.8 °F 81% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Overcast
2:41 PM 39.2 °F 30.5 °F 30.2 °F 70% 29.97 in 10.0 mi West 16.1 mph 23.0 mph N/A   Mostly Cloudy
2:54 PM 39.0 °F 31.0 °F 30.9 °F 73% 29.97 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
3:54 PM 42.1 °F 33.1 °F 30.9 °F 65% 29.97 in 10.0 mi West 20.7 mph 26.5 mph N/A   Scattered Clouds
4:54 PM 43.0 °F 33.8 °F 30.9 °F 62% 29.98 in 10.0 mi West 23.0 mph 28.8 mph N/A   Partly Cloudy
5:54 PM 41.0 °F 31.1 °F 28.9 °F 62% 30.04 in 10.0 mi West 23.0 mph 27.6 mph N/A   Scattered Clouds
6:54 PM 39.0 °F 28.5 °F 28.0 °F 65% 30.09 in 10.0 mi West 23.0 mph 28.8 mph N/A   Overcast
7:54 PM 37.0 °F 26.7 °F 27.0 °F 67% 30.13 in 10.0 mi West 19.6 mph 29.9 mph N/A   Overcast
8:54 PM 36.0 °F 24.4 °F 28.0 °F 73% 30.15 in 10.0 mi West 23.0 mph 28.8 mph N/A   Overcast
9:54 PM 34.0 °F 23.0 °F 27.0 °F 75% 30.17 in 10.0 mi West 18.4 mph - N/A   Scattered Clouds
10:54 PM 34.0 °F 22.4 °F 28.0 °F 79% 30.18 in 10.0 mi WSW 20.7 mph - N/A   Clear
11:54 PM 33.1 °F 22.2 °F 27.0 °F 78% 30.19 in 10.0 mi WSW 17.3 mph - N/A   Clear