265  
CDUS45 KRIW 140045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT TUE OCT 13 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 13 2026
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 57 1:22 PM 80 1958 61 -4 61  
MINIMUM 40 4:52 AM 9 1969 32 8 24  
AVERAGE 49 46 3 43  
 
PRECIPITATION (IN)  
TODAY 0.05 0.56 1966 0.04 0.01 0.00  
MONTH TO DATE 0.20 0.57 -0.37 0.69  
SINCE SEP 1 0.96 1.52 -0.56 3.24  
SINCE JAN 1 7.30 10.35 -3.05 10.55  
 
SNOWFALL (IN)  
TODAY MM 0.2 MM 0.0  
MONTH TO DATE 0.0 2.5 -2.5 0.0  
SINCE SEP 1 0.0 4.0 -4.0 0.0  
SINCE JUL 1 0.0 4.0 -4.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 16 19 -3 22  
MONTH TO DATE 86 210 -124 172  
SINCE SEP 1 194 424 -230 285  
SINCE JUL 1 199 469 -270 295  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE SEP 1 47 30 17 17  
SINCE JAN 1 640 442 198 467    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 69  
AVERAGE 85  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 80 1958  
MINIMUM TEMPERATURE (F) 31 9 1969  
 
SUNRISE AND SUNSET  
OCTOBER 13 2026.......SUNRISE 7:17 AM MDT SUNSET 6:26 PM MDT  
OCTOBER 14 2026.......SUNRISE 7:18 AM MDT SUNSET 6:25 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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