281  
CDUS45 KRIW 170737  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 AM MST FRI JAN 17 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 16 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 43 MM 55 1974 36 7 22  
MINIMUM 25 MM -22 1957 15 10 -4  
AVERAGE 34 25 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 1995 0.02 -0.02 0.00  
MONTH TO DATE 0.28 0.26 0.02 0.33  
SINCE DEC 1 0.44 0.87 -0.43 0.39  
SINCE JAN 1 0.28 0.26 0.02 0.33  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.8 1995 0.3 -0.3 0.0  
MONTH TO DATE 4.0 4.6 -0.6 5.1  
SINCE DEC 1 5.5 15.6 -10.1 6.1  
SINCE JUL 1 5.5 33.0 -27.5 19.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 40 -9 56  
MONTH TO DATE 690 643 47 822  
SINCE DEC 1 1660 1891 -231 1836  
SINCE JUL 1 3160 3693 -533 3501  
 
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 33 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 22.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 12:00 AM  
LOWEST 44 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 56 2000  
MINIMUM TEMPERATURE (F) 15 -31 1943  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:33 AM MST SUNSET 5:00 PM MST  
JANUARY 18 2025.......SUNRISE 7:32 AM MST SUNSET 5:01 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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