178  
CDUS45 KRIW 170737  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 AM MST FRI JAN 17 2025  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JANUARY 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 29 MM 54 1909 33 -4 2  
1920  
MINIMUM 7 MM -24 2024 10 -3 -24  
AVERAGE 18 21 -3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.26 1960 0.01 -0.01 0.00  
1995  
MONTH TO DATE 0.24 0.25 -0.01 0.46  
SINCE DEC 1 0.28 0.88 -0.60 1.17  
SINCE JAN 1 0.24 0.25 -0.01 0.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1960 0.2 -0.2 0.0  
MONTH TO DATE 4.6 4.0 0.6 8.2  
SINCE DEC 1 6.0 13.3 -7.3 16.3  
SINCE JUL 1 16.3 35.9 -19.6 40.5  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 44 3 76  
MONTH TO DATE 727 705 22 867  
SINCE DEC 1 1713 2052 -339 2117  
SINCE JUL 1 3142 3880 -738 3725  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 3.0  
 
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 84 5:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 54 1919  
MINIMUM TEMPERATURE (F) 10 -39 1930  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:42 AM MST SUNSET 5:09 PM MST  
JANUARY 18 2025.......SUNRISE 7:41 AM MST SUNSET 5:10 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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