423  
CDUS45 KRIW 180730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1230 AM MST THU JAN 18 2024  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JANUARY 17 2024
 
 
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)  
YESTERDAY  
MAXIMUM 35 3:32 PM 54 1919 33 2 25  
MINIMUM -4 5:18 AM -39 1930 10 -14 16  
AVERAGE 16 21 -5  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 1912 0.02 -0.02 0.05  
MONTH TO DATE 0.46 0.27 0.19 1.09  
SINCE DEC 1 1.17 0.90 0.27 2.41  
SINCE JAN 1 0.46 0.27 0.19 1.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 1960 0.3 -0.3 0.9  
MONTH TO DATE 7.6 4.3 3.3 16.0  
SINCE DEC 1 15.7 13.6 2.1 30.8  
SINCE JUL 1 39.9 36.2 3.7 45.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 44 5 44  
MONTH TO DATE 916 749 167 802  
SINCE DEC 1 2166 2096 70 2300  
SINCE JUL 1 3774 3924 -150 4047  
 
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 15 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.5  
 
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 76 9:00 AM  
LOWEST 51 3:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 55 2009  
MINIMUM TEMPERATURE (F) 10 -36 1943  
 
SUNRISE AND SUNSET  
JANUARY 18 2024.......SUNRISE 7:41 AM MST SUNSET 5:10 PM MST  
JANUARY 19 2024.......SUNRISE 7:41 AM MST SUNSET 5:11 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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