560  
CDUS45 KRIW 090732  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT MON OCT 09 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 8 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 74 3:52 PM 82 1921 63 11 65  
2020  
MINIMUM 40 6:27 AM 14 1970 35 5 37  
AVERAGE 57 49 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1961 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.41 -0.25 0.27  
SINCE SEP 1 0.72 1.39 -0.67 1.77  
SINCE JAN 1 13.94 10.83 3.11 11.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.9 1961 0.3 -0.3 0.0  
MONTH TO DATE 0.0 2.2 -2.2 0.0  
SINCE SEP 1 0.0 3.7 -3.7 0.0  
SINCE JUL 1 0.0 3.7 -3.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 16 -8 14  
MONTH TO DATE 93 116 -23 102  
SINCE SEP 1 189 311 -122 209  
SINCE JUL 1 235 350 -115 210  
 
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 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)  
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 73 7:00 AM  
LOWEST 18 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 81 2003  
MINIMUM TEMPERATURE (F) 35 15 2009  
 
SUNRISE AND SUNSET  
OCTOBER 9 2023.......SUNRISE 7:21 AM MDT SUNSET 6:43 PM MDT  
OCTOBER 10 2023.......SUNRISE 7:22 AM MDT SUNSET 6:41 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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