303  
CDUS45 KRIW 220109  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
709 PM MDT MON AUG 21 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 94 2:01 PM 98 1960 85 9 89  
MINIMUM 57 5:38 AM 39 1966 53 4 56  
1974  
AVERAGE 76 69 7 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.29 1891 0.01 -0.01 0.00  
MONTH TO DATE 1.50 0.36 1.14 0.28  
SINCE JUN 1 4.98 2.03 2.95 0.66  
SINCE JAN 1 13.14 9.28 3.86 9.47  
 
SNOWFALL (IN)  
TODAY 0.0 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  
TODAY 0 1 -1 0  
MONTH TO DATE 17 7 10 1  
SINCE JUN 1 193 145 48 118  
SINCE JUL 1 46 21 25 1  
 
COOLING  
TODAY 11 5 6 8  
MONTH TO DATE 96 137 -41 162  
SINCE JUN 1 279 410 -131 550  
SINCE JAN 1 279 415 -136 551    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89  
LOWEST 17  
AVERAGE 53  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 96 2009  
MINIMUM TEMPERATURE (F) 53 31 1904  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 6:28 AM MDT SUNSET 8:08 PM MDT  
AUGUST 22 2023........SUNRISE 6:29 AM MDT SUNSET 8:06 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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