394  
CDUS45 KRIW 190726  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT FRI JUN 19 2026  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 18 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 80 5:36 PM 92 1940 79 1 86  
1974  
MINIMUM 45 6:01 AM 29 1895 48 -3 48  
AVERAGE 63 64 -1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1975 0.03 -0.03 0.00  
MONTH TO DATE T 0.81 -0.81 0.70  
SINCE JUN 1 T 0.81 -0.81 0.70  
SINCE JAN 1 4.69 8.06 -3.37 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 2 3 -1 0  
MONTH TO DATE 54 97 -43 68  
SINCE JUN 1 54 97 -43 68  
SINCE JUL 1 5568 7684 -2116 6880  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 23 25 -2 47  
SINCE JUN 1 23 25 -2 47  
SINCE JAN 1 37 30 7 55    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.9  
 
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 63 6:00 AM  
LOWEST 17 4:00 PM  
AVERAGE 40  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 1940  
MINIMUM TEMPERATURE (F) 48 32 2014  
 
SUNRISE AND SUNSET  
JUNE 19 2026..........SUNRISE 5:36 AM MDT SUNSET 8:57 PM MDT  
JUNE 20 2026..........SUNRISE 5:36 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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