657  
CDUS45 KRIW 100045  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT FRI OCT 09 2026  
   
...............................  
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 9 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 82 3:08 PM 83 2003 63 19 78  
MINIMUM 39 4:31 AM 12 2009 33 6 41  
AVERAGE 61 48 13 60  
 
PRECIPITATION (IN)  
TODAY T 0.51 2005 0.04 -0.04 0.00  
MONTH TO DATE T 0.40 -0.40 0.66  
SINCE SEP 1 0.76 1.35 -0.59 3.21  
SINCE JAN 1 7.10 10.18 -3.08 10.52  
 
SNOWFALL (IN)  
TODAY MM 0.2 MM 0.0  
MONTH TO DATE 0.0 1.7 -1.7 0.0  
SINCE SEP 1 0.0 3.2 -3.2 0.0  
SINCE JUL 1 0.0 3.2 -3.2 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 4 17 -13 5  
MONTH TO DATE 46 137 -91 113  
SINCE SEP 1 154 351 -197 226  
SINCE JUL 1 159 396 -237 236  
 
COOLING  
TODAY 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 31 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47  
LOWEST 14  
AVERAGE 31  
   
......................................................  
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 2015  
MINIMUM TEMPERATURE (F) 33 11 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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