Weather History for Rock Springs, WY

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 45 °F 52 °F  
Max Temperature 51 °F 65 °F 86 °F (1954)
Min Temperature 38 °F 39 °F 27 °F (2003)
Degree Days  
Heating Degree Days 20 13  
Month to date heating degree days 267 319  
Since 1 July heating degree days 7480 7851  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 1 0  
Moisture  
Dew Point 39 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 66    
Precipitation  
Precipitation 0.31 in 0.04 in 1.09 in (1975)
Month to date precipitation 0.56 0.79  
Year to date precipitation 0.56 3.31  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 12 mph    
Max Gust Speed 22 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 5:52 AM MDT 8:34 PM MDT
Civil Twilight 5:19 AM MDT 9:06 PM MDT
Nautical Twilight 4:39 AM MDT 9:46 PM MDT
Astronomical Twilight 3:53 AM MDT 10:33 PM MDT
Moon 3:41 PM MDT (5/20) 2:52 AM MDT (5/20)
Length of Visible Light 15h 46m
Length of Day
14h 42m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 41.0 °F 37.1 °F 39.0 °F 93% 29.96 in 5.0 mi NW 5.8 mph - 0.01 in Rain Light Rain
1:11 AM 41.0 °F 36.4 °F 39.2 °F 93% 30.06 in 5.0 mi NE 6.9 mph - 0.01 in Rain Light Rain
1:27 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.06 in 5.0 mi NE 3.5 mph - 0.02 in Rain Light Rain
1:40 AM 39.2 °F - 37.4 °F 93% 30.06 in 5.0 mi Calm Calm - 0.04 in Rain Rain
1:54 AM 39.9 °F - 37.9 °F 93% 29.99 in 6.0 mi Calm Calm - 0.05 in Rain Light Rain
2:05 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.06 in 8.0 mi ENE 4.6 mph - 0.00 in Rain Light Rain
2:54 AM 39.0 °F 35.7 °F 37.0 °F 93% 29.96 in 8.0 mi East 4.6 mph - 0.01 in Rain Light Rain
3:23 AM 39.2 °F - 35.6 °F 87% 30.07 in 6.0 mi Calm Calm - 0.01 in Rain Light Rain
3:54 AM 39.0 °F - 36.0 °F 89% 29.96 in 7.0 mi Calm Calm - 0.01 in Rain Light Rain
4:54 AM 37.9 °F 35.5 °F 36.0 °F 93% 29.99 in 7.0 mi South 3.5 mph - 0.05 in Rain Light Rain
5:42 AM 37.4 °F 30.8 °F 37.4 °F 100% 30.08 in 10.0 mi SSW 9.2 mph - 0.03 in Rain Light Rain
5:47 AM 37.4 °F 31.4 °F 37.4 °F 100% 30.08 in 10.0 mi SSW 8.1 mph - 0.03 in Rain Light Rain
6:54 AM 39.0 °F 35.7 °F 37.0 °F 93% 30.02 in 10.0 mi West 4.6 mph - 0.00 in   Overcast
7:25 AM 39.2 °F 35.0 °F 37.4 °F 93% 30.11 in 10.0 mi West 5.8 mph - N/A   Overcast
8:02 AM 39.2 °F 32.0 °F 37.4 °F 93% 30.13 in 10.0 mi West 11.5 mph - N/A   Overcast
8:54 AM 39.9 °F 32.9 °F 37.0 °F 89% 30.06 in 10.0 mi West 11.5 mph - 0.00 in   Overcast
9:54 AM 44.1 °F 39.5 °F 39.0 °F 82% 30.05 in 10.0 mi West 8.1 mph - N/A   Overcast
10:25 AM 44.6 °F 39.7 °F 39.2 °F 81% 30.15 in 10.0 mi West 9.2 mph - N/A   Overcast
10:54 AM 46.0 °F 41.0 °F 39.0 °F 76% 30.06 in 10.0 mi West 10.4 mph - N/A   Overcast
11:54 AM 45.0 °F 39.3 °F 39.9 °F 82% 30.08 in 8.0 mi North 11.5 mph - 0.00 in Rain Light Rain
12:54 PM 48.9 °F - 42.1 °F 77% 30.07 in 10.0 mi ENE 6.9 mph - 0.00 in   Overcast
1:24 PM 48.2 °F - 41.0 °F 76% 30.15 in 10.0 mi West 12.7 mph 16.1 mph N/A   Mostly Cloudy
1:43 PM 48.2 °F - 41.0 °F 76% 30.15 in 10.0 mi WSW 8.1 mph - N/A Thunderstorm Overcast
1:54 PM 46.0 °F 40.6 °F 39.0 °F 76% 30.10 in 10.0 mi ENE 11.5 mph 16.1 mph N/A Thunderstorm Overcast
2:01 PM 46.4 °F 40.7 °F 39.2 °F 76% 30.17 in 6.0 mi NNE 12.7 mph 18.4 mph 0.01 in Rain Light Rain
2:11 PM 42.8 °F 35.1 °F 39.2 °F 87% 30.17 in 2.0 mi NNE 16.1 mph - 0.07 in Rain Heavy Rain
2:31 PM 42.8 °F 36.6 °F 39.2 °F 87% 30.17 in 3.0 mi NE 11.5 mph - 0.11 in Rain Light Rain
2:54 PM 45.0 °F 39.3 °F 42.1 °F 90% 30.11 in 10.0 mi ENE 11.5 mph - 0.11 in Rain Light Rain
3:54 PM 44.1 °F 40.8 °F 39.9 °F 85% 30.12 in 3.0 mi NW 5.8 mph - 0.02 in Rain Rain
4:54 PM 46.9 °F - 39.9 °F 77% 30.09 in 10.0 mi SSW 6.9 mph - 0.02 in   Overcast
5:54 PM 48.0 °F - 39.9 °F 74% 30.07 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
6:54 PM 50.0 °F - 39.0 °F 66% 30.05 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 46.9 °F - 41.0 °F 80% 30.09 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:54 PM 46.9 °F - 41.0 °F 80% 30.09 in 10.0 mi NE 4.6 mph - N/A   Overcast
10:11 PM 44.6 °F 39.2 °F 39.2 °F 81% 30.18 in 10.0 mi ENE 10.4 mph - 0.00 in Rain Light Rain
10:27 PM 44.6 °F 40.2 °F 39.2 °F 81% 30.19 in 10.0 mi East 8.1 mph - 0.00 in Rain Light Rain
10:54 PM 44.1 °F 37.4 °F 37.0 °F 76% 30.10 in 10.0 mi ENE 13.8 mph - 0.00 in   Overcast
11:54 PM 44.1 °F 40.8 °F 37.0 °F 76% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Overcast