379  
CDUS45 KRIW 090732  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT FRI OCT 09 2026  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 8 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 82R 3:40 PM 81 2020 63 19 74  
MINIMUM 41 4:55 AM 12 1970 34 7 32  
2000  
AVERAGE 62 48 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.49 2017 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.36 -0.36 0.66  
SINCE SEP 1 0.76 1.31 -0.55 3.21  
SINCE JAN 1 7.10 10.14 -3.04 10.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.7 1949 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.5 -1.5 0.0  
SINCE SEP 1 0.0 3.0 -3.0 0.0  
SINCE JUL 1 0.0 3.0 -3.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 17 -14 12  
MONTH TO DATE 42 120 -78 108  
SINCE SEP 1 150 334 -184 221  
SINCE JUL 1 155 379 -224 231  
 
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 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.6  
 
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 51 5:00 AM  
LOWEST 8 4:00 PM  
AVERAGE 30  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 2003  
MINIMUM TEMPERATURE (F) 33 12 2009  
 
SUNRISE AND SUNSET  
OCTOBER 9 2026.......SUNRISE 7:12 AM MDT SUNSET 6:33 PM MDT  
OCTOBER 10 2026.......SUNRISE 7:14 AM MDT SUNSET 6:31 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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