067  
CDUS45 KRIW 170028  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
528 PM MST SAT DEC 16 2023  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 16 2023  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 51 2:00 PM 59 1980 34 17 21  
MINIMUM 31 MM -31 1964 14 17 -6  
AVERAGE 41 24 17 8  
 
PRECIPITATION (IN)  
TODAY 0.00 0.36 2016 0.02 -0.02 0.00  
MONTH TO DATE 0.02 0.32 -0.30 0.55  
SINCE DEC 1 0.02 0.32 -0.30 0.55  
SINCE JAN 1 15.37 11.93 3.44 13.17  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE 0.3 5.7 -5.4 12.2  
SINCE DEC 1 0.3 5.7 -5.4 12.2  
SINCE JUL 1 13.6 23.1 -9.5 30.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 24 41 -17 57  
MONTH TO DATE 517 631 -114 635  
SINCE DEC 1 517 631 -114 635  
SINCE JUL 1 2182 2433 -251 2450  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 342 443 -101 544    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 19.0  
 
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 58  
LOWEST 30  
AVERAGE 44  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 60 1980  
MINIMUM TEMPERATURE (F) 14 -31 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 7:30 AM MST SUNSET 4:32 PM MST  
DECEMBER 17 2023......SUNRISE 7:31 AM MST SUNSET 4:33 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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