468  
CDUS45 KRIW 290730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT SUN OCT 29 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 28 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 26 4:26 PM 76 1968 53 -27 55  
MINIMUM 20 8:46 AM -3 1917 27 -7 22  
AVERAGE 23 40 -17  
 
PRECIPITATION (IN)  
YESTERDAY T 0.96 1929 0.04 -0.04 0.00  
MONTH TO DATE 1.97 1.30 0.67 0.31  
SINCE SEP 1 2.53 2.28 0.25 1.81  
SINCE JAN 1 15.75 11.72 4.03 11.53  
 
SNOWFALL (IN)  
YESTERDAY MM 13.3 1961 0.3 MM 0.0  
MONTH TO DATE 1.3 9.4 -8.1 T  
SINCE SEP 1 1.3 10.9 -9.6 T  
SINCE JUL 1 1.3 10.9 -9.6 T  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 25 17 26  
MONTH TO DATE 437 531 -94 438  
SINCE SEP 1 533 726 -193 545  
SINCE JUL 1 579 765 -186 546  
 
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 12 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 74 1950  
1968  
MINIMUM TEMPERATURE (F) 27 -14 1917  
 
SUNRISE AND SUNSET  
OCTOBER 29 2023.......SUNRISE 7:45 AM MDT SUNSET 6:12 PM MDT  
OCTOBER 30 2023.......SUNRISE 7:46 AM MDT SUNSET 6:10 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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