300  
CDUS45 KRIW 200731  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 19 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 77R 2:36 PM 77 1947 57 20 73  
MINIMUM 39 6:12 AM 7 1916 31 8 39  
AVERAGE 58 44 14  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.67 2021 0.04 -0.04 0.00  
MONTH TO DATE 1.76 0.96 0.80 0.27  
SINCE SEP 1 2.32 1.94 0.38 1.77  
SINCE JAN 1 15.54 11.38 4.16 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1949 0.4 -0.4 0.0  
MONTH TO DATE 0.0 6.1 -6.1 0.0  
SINCE SEP 1 0.0 7.6 -7.6 0.0  
SINCE JUL 1 0.0 7.6 -7.6 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 21 -14 9  
MONTH TO DATE 245 323 -78 242  
SINCE SEP 1 341 518 -177 349  
SINCE JUL 1 387 557 -170 350  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 32 -3 102  
SINCE JAN 1 361 484 -123 720    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.5  
 
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 68 3:00 AM  
LOWEST 17 1:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1921  
MINIMUM TEMPERATURE (F) 30 5 1932  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 7:34 AM MDT SUNSET 6:25 PM MDT  
OCTOBER 21 2023.......SUNRISE 7:35 AM MDT SUNSET 6:23 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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