419  
CDUS45 KRIW 220727  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SAT JUL 22 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR JULY 21 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 87 4:17 PM 100 1931 89 -2 94  
MINIMUM 51 5:02 AM 40 1924 57 -6 58  
AVERAGE 69 73 -4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 1990 0.03 -0.03 0.00  
MONTH TO DATE 0.26 0.38 -0.12 0.17  
SINCE JUN 1 3.40 1.46 1.94 0.17  
SINCE JAN 1 11.56 8.71 2.85 8.98  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 29 9 20 0  
SINCE JUN 1 176 133 43 117  
SINCE JUL 1 29 9 20 0  
 
COOLING  
YESTERDAY 4 8 -4 11  
MONTH TO DATE 103 135 -32 218  
SINCE JUN 1 103 194 -91 294  
SINCE JAN 1 103 199 -96 295    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 5:00 AM  
LOWEST 23 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 100 2007  
MINIMUM TEMPERATURE (F) 57 42 1978  
 
SUNRISE AND SUNSET  
JULY 22 2023..........SUNRISE 5:56 AM MDT SUNSET 8:46 PM MDT  
JULY 23 2023..........SUNRISE 5:57 AM MDT SUNSET 8:45 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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