430  
CDUS45 KRIW 190802  
CLIWRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
102 AM MST TUE DEC 19 2023  
   
...............................
 
 
   
..THE WORLAND WY CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1947 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 3:29 PM 55 1966 30 3 17  
MINIMUM 12 7:53 AM -27 1964 4 8 -6  
AVERAGE 23 17 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 1998 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.11 -0.11 0.12  
SINCE DEC 1 T 0.11 -0.11 0.12  
SINCE JAN 1 8.87 7.66 1.21 6.17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 48 -6 59  
MONTH TO DATE 696 821 -125 890  
SINCE DEC 1 696 821 -125 890  
SINCE JUL 1 2432 2728 -296 2862  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 440 528 -88 689    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 95 2:00 AM  
LOWEST 69 12:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE WORLAND WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 50 1994  
2003  
MINIMUM TEMPERATURE (F) 4 -22 1992  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:42 AM MST SUNSET 4:36 PM MST  
DECEMBER 20 2023......SUNRISE 7:43 AM MST SUNSET 4:36 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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