809  
CDUS45 KRIW 160740  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
140 AM MDT MON SEP 16 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 15 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 MM 91 2000 75 10 74  
MINIMUM 46 MM 28 1915 45 1 44  
AVERAGE 66 60 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 2022 0.03 -0.03 0.00  
MONTH TO DATE 0.36 0.36 0.00 0.55  
SINCE SEP 1 0.36 0.36 0.00 0.55  
SINCE JAN 1 7.38 9.80 -2.42 12.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.7 1965 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 0.0 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 6  
MONTH TO DATE 24 59 -35 35  
SINCE SEP 1 24 59 -35 35  
SINCE JUL 1 42 98 -56 81  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 58 27 31 24  
SINCE SEP 1 58 27 31 24  
SINCE JAN 1 619 479 140 356    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 71 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.8  
 
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 45 6:00 AM  
LOWEST 17 2:00 PM  
AVERAGE 31  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 91 2000  
MINIMUM TEMPERATURE (F) 45 23 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2024.....SUNRISE 6:56 AM MDT SUNSET 7:22 PM MDT  
SEPTEMBER 17 2024.....SUNRISE 6:57 AM MDT SUNSET 7:20 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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