313  
CDUS45 KRIW 200732  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT TUE JUN 20 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JUNE 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 78 5:06 PM 97 1940 79 -1 76  
MINIMUM 49 5:04 AM 32 2014 48 1 54  
AVERAGE 64 64 0  
 
PRECIPITATION (IN)  
YESTERDAY T 0.31 1921 0.03 -0.03 0.00  
MONTH TO DATE 2.68 0.84 1.84 T  
SINCE JUN 1 2.68 0.84 1.84 T  
SINCE JAN 1 10.84 8.09 2.75 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 1 3 -2 0  
MONTH TO DATE 97 100 -3 93  
SINCE JUN 1 97 100 -3 93  
SINCE JUL 1 8702 7687 1015 7009  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 27 -27 38  
SINCE JUN 1 0 27 -27 38  
SINCE JAN 1 0 32 -32 39    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1:00 AM  
LOWEST 27 8:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 1936  
2007  
MINIMUM TEMPERATURE (F) 49 31 1906  
 
SUNRISE AND SUNSET  
JUNE 20 2023..........SUNRISE 5:36 AM MDT SUNSET 8:57 PM MDT  
JUNE 21 2023..........SUNRISE 5:37 AM MDT SUNSET 8:57 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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