419  
CDUS45 KRIW 020729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SUN AUG 02 2026  
   
...............................  
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR AUGUST 1 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 104 2008 92 MM 92  
MINIMUM MM MM 48 2009 59 MM 59  
AVERAGE MM 76 MM 76  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.06 2025 0.00 MM 0.06  
MONTH TO DATE MM 0.00 MM 0.06  
SINCE JUN 1 0.71 1.24 -0.53 1.38  
SINCE JAN 1 2.13 3.59 -1.46 4.09  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE MM 0 MM 0  
SINCE JUN 1 44 66 -22 46  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY MM 11 MM 11  
MONTH TO DATE MM 11 MM 11  
SINCE JUN 1 467 442 25 451  
SINCE JAN 1 513 466 47 472    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 103 2024  
MINIMUM TEMPERATURE (F) 59 50 2006  
 
SUNRISE AND SUNSET  
AUGUST 2 2026........SUNRISE 6:00 AM MDT SUNSET 8:36 PM MDT  
AUGUST 3 2026........SUNRISE 6:01 AM MDT SUNSET 8:35 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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