720  
CDUS45 KRIW 180729  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT SUN JUN 18 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 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 71 4:53 PM 95 1940 79 -8 92  
MINIMUM 42 6:02 AM 32 1907 48 -6 47  
AVERAGE 57 63 -6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 1998 0.03 -0.03 T  
MONTH TO DATE 2.66 0.78 1.88 T  
SINCE JUN 1 2.66 0.78 1.88 T  
SINCE JAN 1 10.82 8.03 2.79 8.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 107.0 87.6 19.4 57.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 4 4 0  
MONTH TO DATE 96 94 2 93  
SINCE JUN 1 96 94 2 93  
SINCE JUL 1 8701 7681 1020 7009  
 
COOLING  
YESTERDAY 0 2 -2 5  
MONTH TO DATE 0 23 -23 26  
SINCE JUN 1 0 23 -23 26  
SINCE JAN 1 0 28 -28 27    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 6:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1940  
1974  
MINIMUM TEMPERATURE (F) 48 29 1895  
 
SUNRISE AND SUNSET  
JUNE 18 2023..........SUNRISE 5:36 AM MDT SUNSET 8:56 PM MDT  
JUNE 19 2023..........SUNRISE 5:36 AM MDT SUNSET 8:56 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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