202  
CDUS45 KRIW 200733  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 19 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 88 2:05 PM 96 2013 85 3 84  
MINIMUM 58 11:59 PM 38 1912 53 5 59  
AVERAGE 73 69 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.00 1979 0.02 0.03 0.00  
MONTH TO DATE 1.50 0.34 1.16 0.28  
SINCE JUN 1 4.98 2.01 2.97 0.66  
SINCE JAN 1 13.14 9.26 3.88 9.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 5 12 1  
SINCE JUN 1 193 143 50 118  
SINCE JUL 1 46 19 27 1  
 
COOLING  
YESTERDAY 8 5 3 7  
MONTH TO DATE 82 127 -45 149  
SINCE JUN 1 265 400 -135 537  
SINCE JAN 1 265 405 -140 538    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 10:00 PM  
LOWEST 25 2:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 94 1960  
2003  
2019  
MINIMUM TEMPERATURE (F) 53 38 1964  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 6:26 AM MDT SUNSET 8:09 PM MDT  
AUGUST 21 2023........SUNRISE 6:28 AM MDT SUNSET 8:08 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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