043  
CDUS45 KRIW 210730  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT MON AUG 21 2023  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR AUGUST 20 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 80 4:39 PM 94 1960 85 -5 85  
2003  
2019  
MINIMUM 56 4:19 AM 38 1964 53 3 55  
AVERAGE 68 69 -1  
 
PRECIPITATION (IN)  
YESTERDAY T 0.62 1915 0.01 -0.01 0.00  
MONTH TO DATE 1.50 0.35 1.15 0.28  
SINCE JUN 1 4.98 2.02 2.96 0.66  
SINCE JAN 1 13.14 9.27 3.87 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 6 11 1  
SINCE JUN 1 193 144 49 118  
SINCE JUL 1 46 20 26 1  
 
COOLING  
YESTERDAY 3 5 -2 5  
MONTH TO DATE 85 132 -47 154  
SINCE JUN 1 268 405 -137 542  
SINCE JAN 1 268 410 -142 543    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 1960  
MINIMUM TEMPERATURE (F) 53 39 1966  
1974  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 6:28 AM MDT SUNSET 8:08 PM MDT  
AUGUST 22 2023........SUNRISE 6:29 AM MDT SUNSET 8:06 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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