011  
CDUS45 KRIW 040727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT WED OCT 04 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 3 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 60 2:18 PM 86 2010 65 -5 65  
MINIMUM 42 11:59 PM 10 1891 38 4 41  
AVERAGE 51 51 0  
 
PRECIPITATION (IN)  
YESTERDAY T 1.32 1908 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.16 0.00 0.27  
SINCE SEP 1 0.72 1.14 -0.42 1.77  
SINCE JAN 1 13.94 10.58 3.36 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.6 1994 0.3 -0.3 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE SEP 1 0.0 2.3 -2.3 0.0  
SINCE JUL 1 0.0 2.3 -2.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 14 0 12  
MONTH TO DATE 31 40 -9 39  
SINCE SEP 1 127 235 -108 146  
SINCE JUL 1 173 274 -101 147  
 
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 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 11:00 PM  
LOWEST 39 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 85 1963  
MINIMUM TEMPERATURE (F) 37 18 1891  
 
SUNRISE AND SUNSET  
OCTOBER 4 2023.......SUNRISE 7:15 AM MDT SUNSET 6:51 PM MDT  
OCTOBER 5 2023.......SUNRISE 7:17 AM MDT SUNSET 6:49 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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