579  
CDUS45 KRIW 120730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT THU SEP 12 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 11 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 81 4:10 PM 88 1919 77 4 76  
1990  
MINIMUM 54 6:21 AM 26 1898 46 8 43  
AVERAGE 68 62 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.31 1903 0.03 0.01 0.00  
MONTH TO DATE 0.36 0.24 0.12 0.49  
SINCE SEP 1 0.36 0.24 0.12 0.49  
SINCE JAN 1 7.38 9.68 -2.30 12.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1974 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 5  
MONTH TO DATE 4 38 -34 20  
SINCE SEP 1 4 38 -34 20  
SINCE JUL 1 22 77 -55 66  
 
COOLING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 57 23 34 24  
SINCE SEP 1 57 23 34 24  
SINCE JAN 1 618 475 143 356    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 2:00 AM  
LOWEST 20 4:00 PM  
AVERAGE 39  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1990  
MINIMUM TEMPERATURE (F) 46 26 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 6:52 AM MDT SUNSET 7:29 PM MDT  
SEPTEMBER 13 2024.....SUNRISE 6:53 AM MDT SUNSET 7:27 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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