Weather History for Rock Springs, WY

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 52 °F  
Max Temperature 63 °F 66 °F 83 °F (2012)
Min Temperature 39 °F 39 °F 25 °F (2001)
Degree Days  
Heating Degree Days 14 13  
Month to date heating degree days 281 332  
Since 1 July heating degree days 7494 7864  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 1 0  
Moisture  
Dew Point 36 °F    
Average Humidity 60    
Maximum Humidity 92    
Minimum Humidity 27    
Precipitation  
Precipitation T in 0.04 in 0.39 in (1992)
Month to date precipitation 0.56 0.83  
Year to date precipitation 0.56 3.35  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 17 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:51 AM MDT 8:35 PM MDT
Civil Twilight 5:18 AM MDT 9:07 PM MDT
Nautical Twilight 4:38 AM MDT 9:48 PM MDT
Astronomical Twilight 3:52 AM MDT 10:34 PM MDT
Moon 4:49 PM MDT 3:24 AM MDT
Length of Visible Light 15h 48m
Length of Day
14h 43m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
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
12:30 AM 44.6 °F 43.1 °F 37.4 °F 76% 30.19 in 9.0 mi Variable 3.5 mph - 0.00 in Rain Light Rain
12:54 AM 41.0 °F 33.1 °F 35.1 °F 79% 30.10 in 5.0 mi East 15.0 mph - 0.01 in Rain Light Rain
1:14 AM 41.0 °F 36.4 °F 35.6 °F 81% 30.19 in 10.0 mi East 6.9 mph - 0.00 in Rain Light Rain
1:54 AM 42.1 °F 38.4 °F 36.0 °F 79% 30.11 in 10.0 mi East 5.8 mph - 0.00 in   Overcast
2:54 AM 41.0 °F 36.4 °F 36.0 °F 82% 30.10 in 10.0 mi SE 6.9 mph - 0.00 in   Overcast
3:54 AM 39.9 °F 34.5 °F 37.0 °F 89% 30.10 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
4:54 AM 39.9 °F 34.5 °F 36.0 °F 86% 30.07 in 10.0 mi SSE 8.1 mph - N/A   Overcast
5:54 AM 39.9 °F 36.7 °F 35.1 °F 83% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast
6:54 AM 39.9 °F 33.9 °F 36.0 °F 86% 30.06 in 10.0 mi SE 9.2 mph - N/A   Overcast
7:54 AM 45.0 °F 40.6 °F 36.0 °F 71% 30.03 in 10.0 mi South 8.1 mph - N/A   Clear
8:54 AM 48.0 °F - 37.0 °F 66% 30.02 in 10.0 mi SSE 8.1 mph - N/A   Partly Cloudy
9:23 AM 48.2 °F - 37.4 °F 66% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:36 AM 46.4 °F - 37.4 °F 71% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 48.0 °F - 37.0 °F 66% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:37 AM 50.0 °F - 39.2 °F 66% 30.12 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
10:54 AM 50.0 °F - 37.9 °F 63% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
11:54 AM 55.0 °F - 39.0 °F 55% 29.97 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
12:54 PM 55.9 °F - 37.9 °F 51% 29.96 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
1:54 PM 59.0 °F - 37.0 °F 44% 29.93 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:54 PM 59.0 °F - 37.9 °F 46% 29.91 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
3:54 PM 62.1 °F - 36.0 °F 38% 29.88 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
4:54 PM 62.1 °F - 28.9 °F 29% 29.86 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
5:54 PM 62.1 °F - 28.9 °F 29% 29.83 in 10.0 mi NW 4.6 mph - N/A   Clear
6:54 PM 60.1 °F - 28.9 °F 31% 29.83 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 PM 60.1 °F - 30.0 °F 32% 29.79 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 PM 57.0 °F - 36.0 °F 45% 29.80 in 10.0 mi SE 6.9 mph - N/A   Clear
9:54 PM 54.0 °F - 39.0 °F 57% 29.81 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
10:54 PM 51.1 °F - 39.9 °F 66% 29.82 in 10.0 mi East 3.5 mph - 0.00 in   Clear
11:54 PM 51.1 °F - 39.0 °F 63% 29.79 in 10.0 mi SE 4.6 mph - N/A   Clear