Weather History for Greybull, WY

Change the Weather History Date:

Sunday, May 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 55 °F  
Max Temperature 88 °F 69 °F 91 °F (2001)
Min Temperature 49 °F 42 °F 30 °F (2004)
Degree Days  
Heating Degree Days 0 10  
Month to date heating degree days 122 142  
Since 1 July heating degree days 7532 7541  
Cooling Degree Days 4 0  
Month to date cooling degree days 4 0  
Year to date cooling degree days 4 1  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 32 °F    
Average Humidity 33    
Maximum Humidity 52    
Minimum Humidity 13    
Precipitation  
Precipitation 0.00 in 0.06 in 0.10 in (2008)
Month to date precipitation 0.04 0.44  
Year to date precipitation 0.93 1.96  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 5 mph (North)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 12, 2013 Rise Set
Actual Time 5:47 AM MDT 8:30 PM MDT
Civil Twilight 5:14 AM MDT 9:03 PM MDT
Nautical Twilight 4:32 AM MDT 9:46 PM MDT
Astronomical Twilight 3:43 AM MDT 10:35 PM MDT
Moon 7:44 AM MDT (5/12) 11:00 PM MDT (5/12)
Length of Visible Light 15h 49m
Length of Day
14h 42m
Waxing Crescent, 7% of the Moon is Illuminated
May 12
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F 30.9 °F 37% 30.09 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
1:53 AM 55.9 °F 32.0 °F 40% 30.08 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
2:53 AM 54.0 °F 30.9 °F 41% 30.07 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
3:53 AM 55.9 °F 30.9 °F 39% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 51.1 °F 30.9 °F 46% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 50.0 °F 32.0 °F 50% 30.08 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
6:53 AM 50.0 °F 33.1 °F 52% 30.09 in 10.0 mi East 4.6 mph - N/A   Clear
7:53 AM 55.0 °F 34.0 °F 45% 30.09 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 61.0 °F 34.0 °F 36% 30.08 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:53 AM 68.0 °F 34.0 °F 28% 30.06 in 10.0 mi ESE 5.8 mph - N/A   Clear
10:53 AM 73.0 °F 33.1 °F 23% 30.04 in 10.0 mi Variable 6.9 mph - N/A   Clear
11:53 AM 75.9 °F 32.0 °F 20% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:53 PM 79.0 °F 28.9 °F 16% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 82.9 °F 28.9 °F 14% 29.96 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:53 PM 84.0 °F 30.0 °F 14% 29.94 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:53 PM 86.0 °F 30.0 °F 13% 29.91 in 10.0 mi NNW 8.1 mph - N/A   Clear
4:53 PM 86.0 °F 30.9 °F 14% 29.90 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:53 PM 86.0 °F 30.0 °F 13% 29.88 in 10.0 mi NW 10.4 mph - N/A   Clear
6:53 PM 86.0 °F 30.9 °F 14% 29.87 in 10.0 mi West 16.1 mph - N/A   Clear
7:53 PM 82.0 °F 33.1 °F 17% 29.87 in 10.0 mi WSW 4.6 mph - N/A   Clear
8:53 PM 75.9 °F 34.0 °F 22% 29.87 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:53 PM 73.9 °F 34.0 °F 23% 29.88 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 69.1 °F 36.0 °F 30% 29.89 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 PM 66.9 °F 36.0 °F 32% 29.90 in 10.0 mi East 6.9 mph - N/A   Clear