595  
CDUS45 KRIW 280729  
CLIGEY  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT FRI JUL 28 2023  
   
...............................
 
 
   
..THE GREYBULL WY CLIMATE SUMMARY FOR JULY 27 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 6:29 PM 105 2021 93 -7 94  
MINIMUM 60 4:57 AM 47 2005 60 0 61  
AVERAGE 73 76 -3 78  
 
PRECIPITATION (IN)  
YESTERDAY T 0.05 2009 0.00 0.00 0.00  
MONTH TO DATE 0.94 0.14 0.80 0.05  
SINCE JUN 1 4.66 1.22 3.44 0.19  
SINCE JAN 1 5.87 3.57 2.30 2.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 0  
SINCE JUN 1 44 62 -18 62  
SINCE JUL 1 5 0 5 0  
 
COOLING  
YESTERDAY 8 11 -3 13  
MONTH TO DATE 240 264 -24 342  
SINCE JUN 1 308 386 -78 459  
SINCE JAN 1 341 410 -69 465    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 12:00 PM  
LOWEST 26 5:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE GREYBULL WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 104 1999  
MINIMUM TEMPERATURE (F) 60 47 2015  
 
SUNRISE AND SUNSET  
JULY 28 2023..........SUNRISE 5:55 AM MDT SUNSET 8:42 PM MDT  
JULY 29 2023..........SUNRISE 5:56 AM MDT SUNSET 8:41 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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