254  
CDUS45 KRIW 130730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT TUE JUN 13 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 12 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 67 12:58 PM 94 1918 77 -10 91  
MINIMUM 46 5:22 AM 32 1947 47 -1 51  
AVERAGE 57 62 -5  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.20 2010 0.04 0.02 T  
MONTH TO DATE 1.53 0.62 0.91 T  
SINCE JUN 1 1.53 0.62 0.91 T  
SINCE JAN 1 9.69 7.87 1.82 8.81  
 
SNOWFALL (IN)  
YESTERDAY MM T 1969 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 5 3 0  
MONTH TO DATE 59 73 -14 61  
SINCE JUN 1 59 73 -14 61  
SINCE JUL 1 8664 7660 1004 6977  
 
COOLING  
YESTERDAY 0 2 -2 6  
MONTH TO DATE 0 13 -13 20  
SINCE JUN 1 0 13 -13 20  
SINCE JAN 1 0 18 -18 21    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 50 11:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1918  
MINIMUM TEMPERATURE (F) 47 27 1917  
 
SUNRISE AND SUNSET  
JUNE 13 2023..........SUNRISE 5:36 AM MDT SUNSET 8:54 PM MDT  
JUNE 14 2023..........SUNRISE 5:36 AM MDT SUNSET 8:55 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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