108  
CDUS45 KRIW 230031  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
531 PM MST FRI DEC 22 2023  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 22 2023  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 41 1:47 PM 52 2005 30 11 -15  
MINIMUM 17 7:48 AM -31 2022 7 10 -31  
AVERAGE 29 18 11 -23  
 
PRECIPITATION (IN)  
TODAY 0.00 0.08 2020 0.01 -0.01 0.00  
MONTH TO DATE T 0.19 -0.19 0.79  
SINCE DEC 1 T 0.19 -0.19 0.79  
SINCE JAN 1 14.12 8.49 5.63 9.56  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE T 14.3  
SINCE DEC 1 T 14.3  
SINCE JUL 1 19.0 25.2  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 36 47 -11 88  
MONTH TO DATE 840 986 -146 1138  
SINCE DEC 1 840 986 -146 1138  
SINCE JUL 1 2539 2883 -344 2951  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 401 499 -98 703    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 59  
AVERAGE 74  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 48 2021  
MINIMUM TEMPERATURE (F) 7 -26 2022  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 7:42 AM MST SUNSET 4:42 PM MST  
DECEMBER 23 2023......SUNRISE 7:43 AM MST SUNSET 4:43 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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