288  
CDUS45 KRIW 180732  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 17 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 94 4:40 PM 96 2013 86 8 93  
2020  
MINIMUM 57 5:58 AM 38 2009 54 3 57  
AVERAGE 76 70 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.58 1984 0.02 -0.02 0.00  
MONTH TO DATE 1.45 0.31 1.14 0.28  
SINCE JUN 1 4.93 1.98 2.95 0.66  
SINCE JAN 1 13.09 9.23 3.86 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 3 14 1  
SINCE JUN 1 193 141 52 118  
SINCE JUL 1 46 17 29 1  
 
COOLING  
YESTERDAY 11 6 5 10  
MONTH TO DATE 61 117 -56 133  
SINCE JUN 1 244 390 -146 521  
SINCE JAN 1 244 395 -151 522    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.3  
 
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 58 6:00 AM  
LOWEST 16 6:00 PM  
AVERAGE 37  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 97 1986  
2020  
MINIMUM TEMPERATURE (F) 54 39 1892  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 6:24 AM MDT SUNSET 8:12 PM MDT  
AUGUST 19 2023........SUNRISE 6:25 AM MDT SUNSET 8:11 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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