291  
CDUS45 KRIW 050728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1228 AM MST SUN JAN 05 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 4 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 23 2:52 PM 55 1981 35 -12 36  
MINIMUM 13 11:32 PM -24 1959 15 -2 16  
AVERAGE 18 24 -6  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.27 1996 0.02 0.08 0.00  
MONTH TO DATE 0.10 0.07 0.03 0.00  
SINCE DEC 1 0.26 0.68 -0.42 0.06  
SINCE JAN 1 0.10 0.07 0.03 0.00  
 
SNOWFALL (IN)  
YESTERDAY MM 5.2 1977 0.3 MM 0.0  
MONTH TO DATE 0.0 1.2 -1.2 0.0  
SINCE DEC 1 1.5 12.2 -10.7 1.0  
SINCE JUL 1 1.5 29.6 -28.1 14.3  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 40 7 39  
MONTH TO DATE 179 163 16 144  
SINCE DEC 1 1149 1411 -262 1158  
SINCE JUL 1 2649 3213 -564 2823  
 
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 17 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 83 9:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 51 2012  
MINIMUM TEMPERATURE (F) 15 -28 2017  
 
SUNRISE AND SUNSET  
JANUARY 5 2025.......SUNRISE 7:37 AM MST SUNSET 4:46 PM MST  
JANUARY 6 2025.......SUNRISE 7:37 AM MST SUNSET 4:47 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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