525  
CDUS45 KRIW 300026  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
626 PM MDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 29 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 4:05 PM 84 1969 68 9 79  
MINIMUM 41 5:18 AM 23 1985 39 2 51  
AVERAGE 59 53 6 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.80 1905 0.05 -0.05 0.14  
MONTH TO DATE 0.56 0.94 -0.38 1.09  
SINCE SEP 1 0.56 0.94 -0.38 1.09  
SINCE JAN 1 13.78 10.38 3.40 10.81  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.4 -1.4 0.0  
SINCE SEP 1 0.0 1.4 -1.4 0.0  
SINCE JUL 1 0.0 1.4 -1.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 12 -6 0  
MONTH TO DATE 94 182 -88 100  
SINCE SEP 1 94 182 -88 100  
SINCE JUL 1 140 221 -81 101  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 29 31 -2 102  
SINCE SEP 1 29 31 -2 102  
SINCE JAN 1 361 483 -122 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60  
LOWEST 17  
AVERAGE 39  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 1980  
MINIMUM TEMPERATURE (F) 39 20 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 7:10 AM MDT SUNSET 7:00 PM MDT  
SEPTEMBER 30 2023.....SUNRISE 7:11 AM MDT SUNSET 6:58 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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