764  
CDUS45 KRIW 110043  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
643 PM MDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 10 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 75 1:33 PM 93 2021 78 -3 67  
MINIMUM 50 6:07 AM 30 2020 47 3 40  
AVERAGE 63 62 1 54  
 
PRECIPITATION (IN)  
TODAY 0.03 1.07 1950 0.02 0.01 0.00  
MONTH TO DATE 0.48 0.21 0.27 0.17  
SINCE SEP 1 0.48 0.21 0.27 0.17  
SINCE JAN 1 13.70 9.65 4.05 9.89  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 2 4 -2 11  
MONTH TO DATE 15 33 -18 26  
SINCE SEP 1 15 33 -18 26  
SINCE JUL 1 61 72 -11 27  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 24 22 2 94  
SINCE SEP 1 24 22 2 94  
SINCE JAN 1 356 474 -118 712    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86  
LOWEST 38  
AVERAGE 62  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 88 1919  
1990  
MINIMUM TEMPERATURE (F) 46 26 1898  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 6:49 AM MDT SUNSET 7:34 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 6:50 AM MDT SUNSET 7:32 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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