256  
CDUS45 KRIW 240736  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1236 AM MST SUN DEC 24 2023  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 23 2023  
 
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)  
YESTERDAY  
MAXIMUM 49 2:08 PM 53 1994 34 15 27  
MINIMUM 23 11:59 PM -39 1983 14 9 -17  
AVERAGE 36 24 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.38 1982 0.02 0.01 0.00  
MONTH TO DATE 0.05 0.45 -0.40 0.71  
SINCE DEC 1 0.05 0.45 -0.40 0.71  
SINCE JAN 1 15.40 12.06 3.34 13.33  
 
SNOWFALL (IN)  
YESTERDAY 0.6 7.0 1982 0.4 0.2 0.0  
MONTH TO DATE 0.9 8.2 -7.3 14.3  
SINCE DEC 1 0.9 8.2 -7.3 14.3  
SINCE JUL 1 14.2 25.6 -11.4 32.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 41 -12 60  
MONTH TO DATE 699 918 -219 1036  
SINCE DEC 1 699 918 -219 1036  
SINCE JUL 1 2364 2720 -356 2851  
 
COOLING  
YESTERDAY 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 32 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 8:00 PM  
LOWEST 42 3:00 PM  
AVERAGE 65  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 52 1955  
MINIMUM TEMPERATURE (F) 14 -33 1983  
 
SUNRISE AND SUNSET  
DECEMBER 24 2023......SUNRISE 7:35 AM MST SUNSET 4:36 PM MST  
DECEMBER 25 2023......SUNRISE 7:35 AM MST SUNSET 4:37 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab WY Page
Main Text Page