843  
CDUS45 KRIW 030726  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT SAT OCT 03 2026  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 2 2026
 
 
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)  
YESTERDAY  
MAXIMUM 83 3:01 PM 86 1992 67 16 78  
MINIMUM 36 4:30 AM 15 1950 36 0 38  
AVERAGE 60 51 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.54 1986 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.09 -0.09 0.00  
SINCE SEP 1 0.76 1.04 -0.28 2.55  
SINCE JAN 1 7.10 9.87 -2.77 9.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.3 1986 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 1.8 -1.8 0.0  
SINCE JUL 1 0.0 1.8 -1.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 14 -9 7  
MONTH TO DATE 16 27 -11 13  
SINCE SEP 1 124 241 -117 126  
SINCE JUL 1 129 286 -157 136  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 45 30 15 17  
SINCE JAN 1 638 442 196 467    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.0  
 
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 96 3:00 AM  
LOWEST 11 2:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 2010  
MINIMUM TEMPERATURE (F) 36 22 2009  
 
SUNRISE AND SUNSET  
OCTOBER 3 2026.......SUNRISE 7:06 AM MDT SUNSET 6:43 PM MDT  
OCTOBER 4 2026.......SUNRISE 7:07 AM MDT SUNSET 6:42 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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