083  
CDUS45 KRIW 090731  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 AM MST THU JAN 09 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 8 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 29 1:03 PM 54 2002 35 -6 20  
MINIMUM 13 12:37 AM -27 1962 15 -2 5  
AVERAGE 21 25 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.33 1985 0.01 0.06 0.01  
MONTH TO DATE 0.23 0.13 0.10 0.11  
SINCE DEC 1 0.39 0.74 -0.35 0.17  
SINCE JAN 1 0.23 0.13 0.10 0.11  
 
SNOWFALL (IN)  
YESTERDAY 1.0 4.6 1985 0.3 0.7 0.4  
MONTH TO DATE 3.5 2.4 1.1 1.7  
SINCE DEC 1 5.0 13.4 -8.4 2.7  
SINCE JUL 1 5.0 30.8 -25.8 16.0  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 40 4 52  
MONTH TO DATE 360 323 37 319  
SINCE DEC 1 1330 1571 -241 1333  
SINCE JUL 1 2830 3373 -543 2998  
 
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 38 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 21.1  
 
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 100 6:00 PM  
LOWEST 55 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 54 1953  
MINIMUM TEMPERATURE (F) 15 -30 1962  
 
SUNRISE AND SUNSET  
JANUARY 9 2025.......SUNRISE 7:36 AM MST SUNSET 4:51 PM MST  
JANUARY 10 2025.......SUNRISE 7:36 AM MST SUNSET 4:52 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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