157  
CDUS45 KRIW 200727  
CLIBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN JUL 20 2025  
   
...............................  
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR JULY 19 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 4:29 PM 101 2021 86 4 84  
MINIMUM 65 11:59 PM 49 2015 59 6 61  
AVERAGE 78 72 6 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.16 2024 0.05 -0.05 0.16  
MONTH TO DATE 0.65 1.03 -0.38 0.85  
SINCE JUN 1 1.93 3.10 -1.17 1.56  
SINCE JAN 1 6.27 8.49 -2.22 6.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 19 15 4 39  
SINCE JUN 1 147 165 -18 141  
SINCE JUL 1 19 15 4 39  
 
COOLING  
YESTERDAY 13 8 5 8  
MONTH TO DATE 138 117 21 128  
SINCE JUN 1 197 174 23 200  
SINCE JAN 1 208 181 27 200    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 2:00 AM  
LOWEST 16 4:00 PM  
AVERAGE 36  
   
......................................................  
 
THE BUFFALO WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 100 2017  
MINIMUM TEMPERATURE (F) 59 52 2000  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:42 AM MDT SUNSET 8:44 PM MDT  
JULY 21 2025..........SUNRISE 5:43 AM MDT SUNSET 8:43 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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