180  
CDUS45 KRIW 270729  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SAT JUN 27 2026  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 26 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 3:50 PM 99 1990 82 10 MM  
MINIMUM 51 4:07 AM 34 1904 50 1 MM  
AVERAGE 72 66 6  
 
PRECIPITATION (IN)  
YESTERDAY T 0.58 1952 0.02 -0.02 0.00  
MONTH TO DATE 0.46 1.00 -0.54 0.70  
SINCE JUN 1 0.46 1.00 -0.54 0.70  
SINCE JAN 1 5.15 8.25 -3.10 9.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 38.1 87.6 -49.5 79.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 MM  
MONTH TO DATE 56 117 -61 88  
SINCE JUN 1 56 117 -61 88  
SINCE JUL 1 5570 7704 -2134 6900  
 
COOLING  
YESTERDAY 7 3 4 MM  
MONTH TO DATE 46 45 1 75  
SINCE JUN 1 46 45 1 75  
SINCE JAN 1 60 50 10 83    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 10 7:00 PM  
AVERAGE 50  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 1970  
1990  
2013  
MINIMUM TEMPERATURE (F) 51 39 1914  
1915  
1969  
 
SUNRISE AND SUNSET  
JUNE 27 2026..........SUNRISE 5:39 AM MDT SUNSET 8:58 PM MDT  
JUNE 28 2026..........SUNRISE 5:39 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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