761  
CDUS45 KRIW 210743  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1241 AM MST THU FEB 21 2019  
 
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR FEBRUARY 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1995 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 23 223 PM 52 1996 38 -15 2  
MINIMUM 2 643 AM -19 2018 14 -12 -19  
AVERAGE 13 26 -13 -8  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 2010 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.18 -0.07 0.78  
SINCE DEC 1 0.47 0.74 -0.27 1.80  
SINCE JAN 1 0.30 0.42 -0.12 1.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 2.1 12.0  
SINCE DEC 1 8.5 29.3  
SINCE JUL 1 21.6 36.6  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 39 13 73  
MONTH TO DATE 954 842 112 895  
SINCE DEC 1 3909 3641 268 3552  
SINCE JUL 1 5858 5557 301 5386  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 600 AM  
LOWEST 44 200 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 56 2000  
MINIMUM TEMPERATURE (F) 15 -18 2018  
 
 
SUNRISE AND SUNSET  
FEBRUARY 21 2019......SUNRISE 703 AM MST SUNSET 553 PM MST  
FEBRUARY 22 2019......SUNRISE 701 AM MST SUNSET 554 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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