991  
CDUS45 KRIW 030739  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT SUN SEP 03 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 2 2023
 
 
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)  
YESTERDAY  
MAXIMUM 84 2:57 PM 95 2019 81 3 91  
MINIMUM 58 6:01 AM 34 1905 49 9 58  
1914  
AVERAGE 71 65 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 1973 0.01 -0.01 0.00  
MONTH TO DATE T 0.03 -0.03 0.00  
SINCE SEP 1 T 0.03 -0.03 0.00  
SINCE JAN 1 13.22 9.47 3.75 9.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 0 5 -5 0  
SINCE SEP 1 0 5 -5 0  
SINCE JUL 1 46 44 2 1  
 
COOLING  
YESTERDAY 6 3 3 10  
MONTH TO DATE 13 6 7 23  
SINCE SEP 1 13 6 7 23  
SINCE JAN 1 345 458 -113 641    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 3:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2022  
MINIMUM TEMPERATURE (F) 49 29 1961  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2023.....SUNRISE 6:42 AM MDT SUNSET 7:46 PM MDT  
SEPTEMBER 4 2023.....SUNRISE 6:43 AM MDT SUNSET 7:44 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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