948  
CDUS45 KRIW 200738  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
138 AM MDT TUE OCT 20 2020  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR OCTOBER 19 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1891 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 3:15 PM 77 1947 57 9 55  
MINIMUM 30 4:37 AM 7 1916 32 -2 26  
AVERAGE 48 45 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 1924 0.03 -0.03 0.00  
MONTH TO DATE T 0.84 -0.84 0.10  
SINCE SEP 1 0.66 1.89 -1.23 1.58  
SINCE JAN 1 5.88 10.77 -4.89 13.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 -0.3 0.0  
MONTH TO DATE 0.0 5.4 -5.4 1.7  
SINCE SEP 1 4.7 8.1 -3.4 1.7  
SINCE JUL 1 4.7 8.1 -3.4 1.7  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 20 -3 24  
MONTH TO DATE 221 325 -104 402  
SINCE SEP 1 409 544 -135 597  
SINCE JUL 1 428 584 -156 606  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 49 27 22 61  
SINCE JAN 1 686 472 214 458    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 6:00 AM  
LOWEST 27 4:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1921  
MINIMUM TEMPERATURE (F) 31 5 1932  
 
SUNRISE AND SUNSET  
OCTOBER 20 2020.......SUNRISE 7:35 AM MDT SUNSET 6:24 PM MDT  
OCTOBER 21 2020.......SUNRISE 7:36 AM MDT SUNSET 6:22 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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