Weather History for Greybull, WY

Change the Weather History Date:

Thursday, September 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 57 °F  
Max Temperature 65 °F 73 °F 92 °F (2010)
Min Temperature 43 °F 42 °F 30 °F (1991)
Degree Days  
Heating Degree Days 11 8  
Month to date heating degree days 23 91  
Since 1 July heating degree days 23 112  
Cooling Degree Days 0 0  
Month to date cooling degree days 95 34  
Year to date cooling degree days 1004 667  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 65    
Maximum Humidity 96    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.03 in 0.07 in (2001)
Month to date precipitation 0.52 0.55  
Year to date precipitation 3.14 6.00  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 3 mph (ESE)    
Max Wind Speed 15 mph    
Max Gust Speed 26 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

Sep. 19, 2013 Rise Set
Actual Time 6:56 AM MDT 7:14 PM MDT
Civil Twilight 6:27 AM MDT 7:43 PM MDT
Nautical Twilight 5:52 AM MDT 8:18 PM MDT
Astronomical Twilight 5:17 AM MDT 8:53 PM MDT
Moon 7:11 PM MDT (9/19) 7:11 AM MDT (9/19)
Length of Visible Light 13h 16m
Length of Day
12h 18m
Full, 100% of the Moon is Illuminated
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F - 37.9 °F 59% 29.96 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
1:53 AM 51.1 °F - 37.9 °F 61% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 48.0 °F - 41.0 °F 77% 30.01 in 10.0 mi SW 3.5 mph - N/A   Overcast
3:53 AM 48.0 °F - 42.1 °F 80% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:53 AM 46.0 °F - 41.0 °F 83% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 44.1 °F - 39.9 °F 85% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 43.0 °F 41.3 °F 41.0 °F 93% 30.09 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
7:53 AM 44.1 °F - 41.0 °F 89% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 46.0 °F - 39.9 °F 79% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 50.0 °F - 42.1 °F 74% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
11:53 AM 59.0 °F - 39.0 °F 48% 30.14 in 10.0 mi Variable 3.5 mph - N/A   Overcast
12:53 PM 61.0 °F - 37.9 °F 42% 30.12 in 10.0 mi NNW 15.0 mph - N/A   Partly Cloudy
1:53 PM 61.0 °F - 37.0 °F 41% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:53 PM 62.1 °F - 36.0 °F 38% 30.12 in 10.0 mi Variable 6.9 mph - N/A   Clear
3:53 PM 63.0 °F - 35.1 °F 35% 30.11 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 63.0 °F - 35.1 °F 35% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 64.0 °F - 35.1 °F 34% 30.10 in 10.0 mi NE 3.5 mph - N/A   Clear
6:53 PM 61.0 °F - 37.9 °F 42% 30.11 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 59.0 °F - 39.0 °F 48% 30.11 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:53 PM 55.9 °F - 41.0 °F 57% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 52.0 °F - 44.1 °F 74% 30.14 in 10.0 mi SE 3.5 mph - N/A   Clear
10:53 PM 50.0 °F - 41.0 °F 71% 30.15 in 10.0 mi ESE 4.6 mph - N/A   Clear
11:53 PM 51.1 °F - 39.0 °F 63% 30.13 in 10.0 mi Variable 6.9 mph - N/A   Clear