775  
CDUS45 KRIW 020727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT MON OCT 02 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 1 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 71 10:08 AM 85 1963 67 4 53  
2011  
MINIMUM 51 9:12 PM 24 1944 38 13 44  
1950  
AVERAGE 61 52 9  
 
PRECIPITATION (IN)  
YESTERDAY T 1.50 1891 0.05 -0.05 0.27  
MONTH TO DATE T 0.05 -0.05 0.27  
SINCE SEP 1 0.56 1.03 -0.47 1.77  
SINCE JAN 1 13.78 10.47 3.31 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.7 2002 0.2 -0.2 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 1.7 -1.7 0.0  
SINCE JUL 1 0.0 1.7 -1.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 13 -9 16  
MONTH TO DATE 4 13 -9 16  
SINCE SEP 1 100 208 -108 123  
SINCE JUL 1 146 247 -101 124  
 
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 43 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 8:00 AM  
LOWEST 28 10:00 AM  
AVERAGE 40  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 83 2011  
MINIMUM TEMPERATURE (F) 38 20 1891  
 
SUNRISE AND SUNSET  
OCTOBER 2 2023.......SUNRISE 7:13 AM MDT SUNSET 6:55 PM MDT  
OCTOBER 3 2023.......SUNRISE 7:14 AM MDT SUNSET 6:53 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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