751  
CDUS45 KRIW 070728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT THU SEP 07 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 6 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 81 4:12 PM 94 2022 79 2 94  
MINIMUM 48 5:51 AM 31 1898 48 0 58  
1943  
AVERAGE 65 64 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.11 1920 0.02 -0.02 0.00  
MONTH TO DATE 0.45 0.11 0.34 0.00  
SINCE SEP 1 0.45 0.11 0.34 0.00  
SINCE JAN 1 13.67 9.55 4.12 9.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1929 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 13 17 -4 0  
SINCE SEP 1 13 17 -4 0  
SINCE JUL 1 59 56 3 1  
 
COOLING  
YESTERDAY 0 2 -2 11  
MONTH TO DATE 20 14 6 73  
SINCE SEP 1 20 14 6 73  
SINCE JAN 1 352 466 -114 691    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 5:00 AM  
LOWEST 25 5:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 2022  
MINIMUM TEMPERATURE (F) 48 30 1898  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2023.....SUNRISE 6:46 AM MDT SUNSET 7:39 PM MDT  
SEPTEMBER 8 2023.....SUNRISE 6:47 AM MDT SUNSET 7:37 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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