812  
CDUS45 KRIW 280735  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT SAT SEP 28 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 27 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 3:33 PM 87 2001 69 16 84  
MINIMUM 49 6:24 AM 19 1908 40 9 45  
AVERAGE 67 54 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.87 1923 0.04 -0.04 0.00  
MONTH TO DATE 0.40 0.84 -0.44 0.56  
SINCE SEP 1 0.40 0.84 -0.44 0.56  
SINCE JAN 1 7.42 10.28 -2.86 12.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1999 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.1 -1.1 0.0  
SINCE SEP 1 0.0 1.1 -1.1 0.0  
SINCE JUL 1 0.0 1.1 -1.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 0  
MONTH TO DATE 75 159 -84 84  
SINCE SEP 1 75 159 -84 84  
SINCE JUL 1 93 198 -105 130  
 
COOLING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 72 31 41 29  
SINCE SEP 1 72 31 41 29  
SINCE JAN 1 633 483 150 361    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.5  
 
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 38 7:00 AM  
LOWEST 14 4:00 PM  
AVERAGE 26  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 2010  
MINIMUM TEMPERATURE (F) 40 22 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2024.....SUNRISE 7:10 AM MDT SUNSET 7:00 PM MDT  
SEPTEMBER 29 2024.....SUNRISE 7:11 AM MDT SUNSET 6:59 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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