907  
CDUS45 KRIW 230745  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
145 AM MDT THU OCT 23 2025  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 22 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 64 3:31 PM 80 2003 57 7 68  
MINIMUM 28 5:30 AM 9 2020 29 -1 27  
AVERAGE 46 43 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.69 1986 0.03 -0.03 0.00  
MONTH TO DATE 1.49 0.92 0.57 0.45  
SINCE SEP 1 4.04 1.87 2.17 0.69  
SINCE JAN 1 11.35 10.70 0.65 7.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.4 1995 0.3 -0.3 0.0  
MONTH TO DATE 0.3 4.7 -4.4 T  
SINCE SEP 1 0.3 6.2 -5.9 T  
SINCE JUL 1 0.3 6.2 -5.9 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 22 -3 17  
MONTH TO DATE 339 397 -58 255  
SINCE SEP 1 452 611 -159 357  
SINCE JUL 1 462 656 -194 395  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 17 30 -13 63  
SINCE JAN 1 467 442 25 538    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 9:00 PM  
LOWEST 19 4:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 81 2003  
MINIMUM TEMPERATURE (F) 29 -5 2020  
 
SUNRISE AND SUNSET  
OCTOBER 23 2025.......SUNRISE 7:29 AM MDT SUNSET 6:10 PM MDT  
OCTOBER 24 2025.......SUNRISE 7:31 AM MDT SUNSET 6:09 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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