691  
CDUS45 KRIW 200728  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI JUN 20 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR JUNE 19 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 97R 4:25 PM 95 2021 80 17 71  
MINIMUM 54 3:43 AM 37 2024 49 5 37  
AVERAGE 76 64 12 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.32 0.03 -0.03 0.00  
MONTH TO DATE 0.79 0.70 0.09 0.01  
SINCE JUN 1 0.79 0.70 0.09 0.01  
SINCE JAN 1 5.31 5.16 0.15 4.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0  
MONTH TO DATE 0.0 0.0  
SINCE JUN 1 0.0 0.0  
SINCE JUL 1 30.7 36.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 11  
MONTH TO DATE 62 94 -32 33  
SINCE JUN 1 62 94 -32 33  
SINCE JUL 1 7218 7906 -688 7484  
 
COOLING  
YESTERDAY 11 2 9 0  
MONTH TO DATE 67 29 38 69  
SINCE JUN 1 67 29 38 69  
SINCE JAN 1 73 37 36 69    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.9  
 
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 34 4:00 AM  
LOWEST 7 4:00 PM  
AVERAGE 21  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2007  
MINIMUM TEMPERATURE (F) 49 42 1998  
2000  
 
SUNRISE AND SUNSET  
JUNE 20 2025..........SUNRISE 5:34 AM MDT SUNSET 8:57 PM MDT  
JUNE 21 2025..........SUNRISE 5:35 AM MDT SUNSET 8:57 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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