983  
CDUS45 KRIW 210729  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SAT SEP 21 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 20 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 79 3:27 PM 88 1956 73 6 72  
2016  
MINIMUM 44 6:38 AM 23 1983 43 1 49  
AVERAGE 62 58 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1989 0.04 -0.04 T  
MONTH TO DATE 0.40 0.53 -0.13 0.55  
SINCE SEP 1 0.40 0.53 -0.13 0.55  
SINCE JAN 1 7.42 9.97 -2.55 12.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1995 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE SEP 1 0.0 0.5 -0.5 0.0  
SINCE JUL 1 0.0 0.5 -0.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 8 -5 4  
MONTH TO DATE 49 93 -44 41  
SINCE SEP 1 49 93 -44 41  
SINCE JUL 1 67 132 -65 87  
 
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 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.1  
 
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 52 7:00 AM  
LOWEST 16 4:00 PM  
AVERAGE 34  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 87 1905  
MINIMUM TEMPERATURE (F) 43 25 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 7:02 AM MDT SUNSET 7:13 PM MDT  
SEPTEMBER 22 2024.....SUNRISE 7:03 AM MDT SUNSET 7:11 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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