662  
CDUS45 KRIW 240028  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT MON OCT 23 2017  
 
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR OCTOBER 23 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 59 MM 70 2014 57 2 65  
2011  
1999  
MINIMUM 43 MM 20 2006 30 13 33  
2002  
AVERAGE 51  
 
PRECIPITATION (IN)  
TODAY 0.00 0.07 2001 0.02 -0.02 0.00  
MONTH TO DATE T 0.52 -0.52 0.97  
SINCE SEP 1 2.00 1.40 0.60 3.73  
SINCE JAN 1 3.98 6.85 -2.87 6.61  
 
DEGREE DAYS  
HEATING  
TODAY 14 22 -8 16  
MONTH TO DATE 410 401 9 344  
SINCE SEP 1 641 611 30 488  
SINCE JUL 1 641 632 9 507  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 62 36 26 42  
SINCE JAN 1 824 669 155 887    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 16.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 43 700 AM  
LOWEST 17 200 PM  
AVERAGE 30  
   
......................................................
 
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 77 2014  
MINIMUM TEMPERATURE (F) 29 22 2006  
 
 
SUNRISE AND SUNSET  
OCTOBER 23 2017.......SUNRISE 738 AM MDT SUNSET 614 PM MDT  
OCTOBER 24 2017.......SUNRISE 740 AM MDT SUNSET 613 PM MDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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