209  
CDUS45 KRIW 140727  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SAT DEC 14 2024  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 13 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 2:10 PM 57 2014 34 12 38  
MINIMUM 20 12:41 AM -16 1967 15 5 16  
AVERAGE 33 24 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 2022 0.02 -0.02 0.00  
MONTH TO DATE 0.01 0.26 -0.25 0.02  
SINCE DEC 1 0.01 0.26 -0.25 0.02  
SINCE JAN 1 9.13 11.87 -2.74 15.10  
 
SNOWFALL (IN)  
YESTERDAY MM 9.2 2022 0.4 MM 0.0  
MONTH TO DATE T 4.6 -4.6 0.3  
SINCE DEC 1 T 4.6 -4.6 0.3  
SINCE JUL 1 T 22.0 -22.0 13.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 40 -8 38  
MONTH TO DATE 411 508 -97 427  
SINCE DEC 1 411 508 -97 427  
SINCE JUL 1 1911 2310 -399 2092  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 538 443 95 342    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1:00 AM  
LOWEST 25 2:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 55 1998  
MINIMUM TEMPERATURE (F) 14 -19 2008  
 
SUNRISE AND SUNSET  
DECEMBER 14 2024......SUNRISE 7:30 AM MST SUNSET 4:32 PM MST  
DECEMBER 15 2024......SUNRISE 7:30 AM MST SUNSET 4:32 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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