319  
CDUS45 KRIW 090727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON SEP 09 2024  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 8 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 88 3:26 PM 92 1979 78 10 86  
2022  
MINIMUM 53 5:59 AM 26 2020 48 5 48  
AVERAGE 71 63 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1973 0.02 -0.02 0.00  
MONTH TO DATE 0.31 0.16 0.15 0.45  
SINCE SEP 1 0.31 0.16 0.15 0.45  
SINCE JAN 1 7.33 9.60 -2.27 12.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 2020 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 4 -4 0  
MONTH TO DATE 4 25 -21 13  
SINCE SEP 1 4 25 -21 13  
SINCE JUL 1 22 64 -42 59  
 
COOLING  
YESTERDAY 6 2 4 2  
MONTH TO DATE 40 18 22 24  
SINCE SEP 1 40 18 22 24  
SINCE JAN 1 601 470 131 356    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 43 6:00 AM  
LOWEST 12 3:00 PM  
AVERAGE 28  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 2021  
MINIMUM TEMPERATURE (F) 47 21 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:49 AM MDT SUNSET 7:34 PM MDT  
SEPTEMBER 10 2024.....SUNRISE 6:50 AM MDT SUNSET 7:33 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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