191  
CDGM40 PGUM 151845  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
445 AM CHST FRI OCT 16 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 2020...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 131 PM 93 1966 87 1 88  
MINIMUM 78 1118 PM 70 1953 76 2 77  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 15.48 1953 0.38 -0.17 0.24  
MONTH TO DATE 10.80 6.06 4.74 7.64  
SINCE SEP 1 21.76 20.23 1.53 28.67  
SINCE JAN 1 64.84 76.75 -11.91 71.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 18  
MONTH TO DATE 266 255 11 247  
SINCE SEP 1 804 748 56 750  
SINCE JAN 1 5175 4735 440 5079    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 200 AM  
LOWEST 68 100 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1982  
MINIMUM TEMPERATURE (F) 77 67 1966  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2020.......SUNRISE 612 AM CHST SUNSET 601 PM CHST  
OCTOBER 17 2020.......SUNRISE 612 AM CHST SUNSET 600 PM CHST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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