311  
CDUS45 KRIW 060045  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SAT SEP 05 2026  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 5 2026  
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 3:50 PM 96 2020 80 8 68  
2022  
MINIMUM 55 5:59 AM 31 1910 49 6 52  
AVERAGE 72 64 8 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.87 1929 0.02 -0.02 0.00  
MONTH TO DATE T 0.09 -0.09 0.00  
SINCE SEP 1 T 0.09 -0.09 0.00  
SINCE JAN 1 6.36 9.53 -3.17 10.01  
 
SNOWFALL (IN)  
TODAY MM 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 5  
MONTH TO DATE 0 14 -14 5  
SINCE SEP 1 0 14 -14 5  
SINCE JUL 1 3 53 -50 10  
 
COOLING  
TODAY 7 2 5 0  
MONTH TO DATE 26 12 14 20  
SINCE SEP 1 26 12 14 20  
SINCE JAN 1 696 464 232 547    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 42  
LOWEST 12  
AVERAGE 27  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 2022  
MINIMUM TEMPERATURE (F) 48 31 1898  
1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2026.....SUNRISE 6:44 AM MDT SUNSET 7:42 PM MDT  
SEPTEMBER 6 2026.....SUNRISE 6:45 AM MDT SUNSET 7:40 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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