359  
CDUS45 KRIW 080728  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN OCT 08 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 7 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 70 3:41 PM 81 1956 63 7 56  
1979  
MINIMUM 34 5:30 AM 17 1970 36 -2 37  
AVERAGE 52 50 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.77 1993 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.36 -0.20 0.27  
SINCE SEP 1 0.72 1.34 -0.62 1.77  
SINCE JAN 1 13.94 10.78 3.16 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.6 1970 0.3 -0.3 0.0  
MONTH TO DATE 0.0 1.9 -1.9 0.0  
SINCE SEP 1 0.0 3.4 -3.4 0.0  
SINCE JUL 1 0.0 3.4 -3.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 16 -3 18  
MONTH TO DATE 85 100 -15 88  
SINCE SEP 1 181 295 -114 195  
SINCE JUL 1 227 334 -107 196  
 
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 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.5  
 
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 82 6:00 AM  
LOWEST 26 3:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 82 1921  
2020  
MINIMUM TEMPERATURE (F) 35 14 1970  
 
SUNRISE AND SUNSET  
OCTOBER 8 2023.......SUNRISE 7:20 AM MDT SUNSET 6:44 PM MDT  
OCTOBER 9 2023.......SUNRISE 7:21 AM MDT SUNSET 6:43 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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