Greybull, WY

6:44 AM MST on November 23, 2017 (GMT -0700)
South Big Horn County

Weather History for KGEY - September, 2012

Change the Weather History Date:

Sunday, September 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 52 °F  
Max Temperature 79 °F 67 °F 86 °F (2015)
Min Temperature 46 °F 37 °F 38 °F (2009)
Degree Days  
Heating Degree Days 2 13  
Month to date heating degree days 209  
Since 1 July heating degree days 231  
Cooling Degree Days 0 0  
Month to date cooling degree days 36  
Year to date cooling degree days 669  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 35 °F    
Average Humidity 41    
Maximum Humidity 68    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.03 in 0.25 in (2009)
Month to date precipitation 0.88  
Year to date precipitation 6.33  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 5 mph (NNW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 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 or City:

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. 30, 2012 Rise Set
Actual Time 7:09 AM MDT 6:53 PM MDT
Civil Twilight 6:40 AM MDT 7:22 PM MDT
Nautical Twilight 6:06 AM MDT 7:56 PM MDT
Astronomical Twilight 5:32 AM MDT 8:30 PM MDT
Moon 6:54 PM MDT (9/30) 7:46 AM MDT (9/30)
Length of Visible Light 12h 42m
Length of Day
11h 44m
Full, 100% of the Moon is Illuminated
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
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% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 53.1 °F - 35.1 °F 50% 30.07 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 50.0 °F - 37.9 °F 63% 30.06 in 10.0 mi ESE 5.8 mph - N/A   Clear
3:53 AM 50.0 °F - 36.0 °F 59% 30.07 in 10.0 mi ESE 6.9 mph - N/A   Clear
4:53 AM 48.9 °F - 37.0 °F 64% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 46.0 °F 43.9 °F 36.0 °F 68% 30.09 in 10.0 mi ESE 4.6 mph - N/A   Clear
6:53 AM 46.0 °F - 34.0 °F 63% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 46.9 °F - 35.1 °F 63% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 51.1 °F - 35.1 °F 54% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 57.9 °F - 36.0 °F 44% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 63.0 °F - 37.0 °F 38% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 70.0 °F - 37.0 °F 30% 30.10 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 72.0 °F - 37.9 °F 29% 30.09 in 10.0 mi NE 3.5 mph - N/A   Clear
1:53 PM 75.9 °F - 37.0 °F 24% 30.05 in 10.0 mi NW 5.8 mph - N/A   Clear
2:53 PM 79.0 °F - 36.0 °F 21% 30.04 in 10.0 mi NNW 12.7 mph 17.3 mph N/A   Clear
3:53 PM 77.0 °F - 36.0 °F 23% 30.05 in 10.0 mi NNW 19.6 mph 24.2 mph N/A   Clear
4:53 PM 75.9 °F - 34.0 °F 22% 30.05 in 10.0 mi North 9.2 mph 23.0 mph N/A   Clear
5:53 PM 75.0 °F - 32.0 °F 21% 30.07 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Clear
6:53 PM 71.1 °F - 32.0 °F 24% 30.09 in 10.0 mi NW 13.8 mph - N/A   Clear
7:53 PM 69.1 °F - 32.0 °F 25% 30.13 in 10.0 mi NNW 12.7 mph - N/A   Clear
8:53 PM 64.9 °F - 32.0 °F 29% 30.15 in 10.0 mi NW 8.1 mph - N/A   Clear
9:53 PM 62.1 °F - 33.1 °F 34% 30.16 in 10.0 mi NW 11.5 mph - N/A   Clear
10:53 PM 61.0 °F - 36.0 °F 39% 30.17 in 10.0 mi NW 12.7 mph - N/A   Clear
11:53 PM 61.0 °F - 37.0 °F 41% 30.17 in 10.0 mi NW 17.3 mph - N/A   Clear