098  
CDUS45 KRIW 310029  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
529 PM MST SAT DEC 30 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 30 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 45 2:48 PM 56 1980 34 11 34  
MINIMUM 31 8:12 AM -29 1978 14 17 19  
AVERAGE 38 24 14 27  
 
PRECIPITATION (IN)  
TODAY 0.00 0.45 2010 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.59 -0.53 0.74  
SINCE DEC 1 0.06 0.59 -0.53 0.74  
SINCE JAN 1 15.41 12.20 3.21 13.36  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE 1.0 10.7 -9.7 14.6  
SINCE DEC 1 1.0 10.7 -9.7 14.6  
SINCE JUL 1 14.3 28.1 -13.8 32.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 41 -14 38  
MONTH TO DATE 972 1205 -233 1269  
SINCE DEC 1 972 1205 -233 1269  
SINCE JUL 1 2637 3007 -370 3084  
 
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 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 16.9  
 
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 58  
LOWEST 36  
AVERAGE 47  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 54 1980  
MINIMUM TEMPERATURE (F) 14 -34 1978  
 
SUNRISE AND SUNSET  
DECEMBER 30 2023......SUNRISE 7:37 AM MST SUNSET 4:40 PM MST  
DECEMBER 31 2023......SUNRISE 7:37 AM MST SUNSET 4:41 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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