746  
CDUS45 KRIW 190029  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
529 PM MST WED DEC 18 2024  
   
...............................  
 
   
..THE LANDER WY CLIMATE SUMMARY FOR DECEMBER 18 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 51 4:17 PM 55 1954 32 19 33  
1979  
MINIMUM 17 3:27 AM -36 1924 9 8 17  
AVERAGE 34 21 13 25  
 
PRECIPITATION (IN)  
TODAY 0.00 0.25 1973 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.38 -0.38 0.03  
SINCE DEC 1 0.00 0.38 -0.38 0.03  
SINCE JAN 1 9.19 12.98 -3.79 16.14  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE 0.0 5.6 -5.6 0.1  
SINCE DEC 1 0.0 5.6 -5.6 0.1  
SINCE JUL 1 10.3 28.2 -17.9 24.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 31 44 -13 40  
MONTH TO DATE 582 765 -183 691  
SINCE DEC 1 582 765 -183 691  
SINCE JUL 1 2011 2593 -582 2299  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 644 485 159 361    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 29  
AVERAGE 53  
   
......................................................  
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 62 1917  
MINIMUM TEMPERATURE (F) 9 -40 1924  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 7:41 AM MST SUNSET 4:43 PM MST  
DECEMBER 19 2024......SUNRISE 7:42 AM MST SUNSET 4:43 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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