384  
CDUS45 KRIW 290030  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
530 PM MST THU DEC 28 2023  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 28 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 37 2:41 PM 53 2005 34 3 40  
MINIMUM 23 8:05 AM -26 1983 14 9 23  
AVERAGE 30 24 6 32  
 
PRECIPITATION (IN)  
TODAY 0.00 0.16 1955 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.55 -0.49 0.74  
SINCE DEC 1 0.06 0.55 -0.49 0.74  
SINCE JAN 1 15.41 12.16 3.25 13.36  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 -0.4 0.0  
MONTH TO DATE 1.0 10.0 -9.0 14.6  
SINCE DEC 1 1.0 10.0 -9.0 14.6  
SINCE JUL 1 14.3 27.4 -13.1 32.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 35 41 -6 33  
MONTH TO DATE 913 1123 -210 1193  
SINCE DEC 1 913 1123 -210 1193  
SINCE JUL 1 2578 2925 -347 3008  
 
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 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 19.6  
 
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 62  
LOWEST 40  
AVERAGE 51  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 51 1965  
1980  
MINIMUM TEMPERATURE (F) 14 -25 1990  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:36 AM MST SUNSET 4:39 PM MST  
DECEMBER 29 2023......SUNRISE 7:36 AM MST SUNSET 4:39 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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