809  
CDUS45 KRIW 240730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT TUE SEP 24 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 23 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 78 3:31 PM 89 1905 71 7 68  
MINIMUM 42 4:33 AM 19 1895 42 0 36  
AVERAGE 60 56 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 1891 0.04 -0.04 0.00  
MONTH TO DATE 0.40 0.66 -0.26 0.56  
SINCE SEP 1 0.40 0.66 -0.26 0.56  
SINCE JAN 1 7.42 10.10 -2.68 12.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 1961 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE SEP 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 0.0 0.7 -0.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 9 -4 13  
MONTH TO DATE 74 119 -45 70  
SINCE SEP 1 74 119 -45 70  
SINCE JUL 1 92 158 -66 116  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 60 31 29 29  
SINCE SEP 1 60 31 29 29  
SINCE JAN 1 621 483 138 361    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.8  
 
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 48 3:00 AM  
LOWEST 17 2:00 PM  
AVERAGE 33  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2014  
2020  
MINIMUM TEMPERATURE (F) 41 17 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2024.....SUNRISE 7:05 AM MDT SUNSET 7:07 PM MDT  
SEPTEMBER 25 2024.....SUNRISE 7:06 AM MDT SUNSET 7:06 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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