501  
CDUS45 KRIW 170037  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
535 PM MST SAT DEC 16 2017  
 
   
...............................
 
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR DECEMBER 16 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 41 100 AM 53 1999 36 5 10  
MINIMUM 27 MM -15 2008 15 12 -9  
AVERAGE 34  
 
PRECIPITATION (IN)  
TODAY 0.21R T 2006 0.01 0.20 0.05  
2005  
1999  
MONTH TO DATE 0.22 0.23 -0.01 0.12  
SINCE DEC 1 0.22 0.23 -0.01 0.12  
SINCE JAN 1 14.79 13.28 1.51 12.16  
 
DEGREE DAYS  
HEATING  
TODAY 31 40 -9 64  
MONTH TO DATE 432 628 -196 787  
SINCE DEC 1 432 628 -196 787  
SINCE JUL 1 2094 2462 -368 1969  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 622 492 130 632    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
SNOW  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 700 AM  
LOWEST 34 100 AM  
AVERAGE 60  
   
......................................................
 
 
 
THE BUFFALO WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 65 1998  
MINIMUM TEMPERATURE (F) 15 -20 2016  
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2017......SUNRISE 737 AM MST SUNSET 428 PM MST  
DECEMBER 17 2017......SUNRISE 738 AM MST SUNSET 429 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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