030  
CDUS45 KRIW 110728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST SAT JAN 11 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 10 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 33 11:25 PM 59 1990 35 -2 28  
MINIMUM 9 12:13 AM -26 1962 15 -6 18  
AVERAGE 21 25 -4  
 
PRECIPITATION (IN)  
YESTERDAY T 0.16 2023 0.01 -0.01 T  
MONTH TO DATE 0.27 0.16 0.11 0.11  
SINCE DEC 1 0.43 0.77 -0.34 0.17  
SINCE JAN 1 0.27 0.16 0.11 0.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 1972 0.2 -0.2 T  
MONTH TO DATE 4.0 2.9 1.1 1.7  
SINCE DEC 1 5.5 13.9 -8.4 2.7  
SINCE JUL 1 5.5 31.3 -25.8 16.0  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 40 4 42  
MONTH TO DATE 451 403 48 407  
SINCE DEC 1 1421 1651 -230 1421  
SINCE JUL 1 2921 3453 -532 3086  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 24.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 12:00 AM  
LOWEST 58 9:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 57 1953  
MINIMUM TEMPERATURE (F) 15 -28 1974  
 
SUNRISE AND SUNSET  
JANUARY 11 2025.......SUNRISE 7:35 AM MST SUNSET 4:53 PM MST  
JANUARY 12 2025.......SUNRISE 7:35 AM MST SUNSET 4:54 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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