380  
CDGM40 PGUM 071845  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
445 AM CHST THU OCT 8 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 7 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 88 256 PM 92 1966 87 1 82  
MINIMUM 75 308 AM 71 1993 76 -1 74  
AVERAGE 82 82 0 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.98 3.11 2006 0.41 0.57 2.89  
MONTH TO DATE 3.74 2.85 0.89 3.67  
SINCE SEP 1 14.70 17.02 -2.32 24.70  
SINCE JAN 1 57.78 73.54 -15.76 67.81  
 
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 17 17 0 13  
MONTH TO DATE 123 119 4 116  
SINCE SEP 1 661 612 49 619  
SINCE JAN 1 5032 4599 433 4948    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 300 AM  
LOWEST 68 300 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1990  
MINIMUM TEMPERATURE (F) 76 71 1987  
1954  
 
 
SUNRISE AND SUNSET  
OCTOBER 8 2020.......SUNRISE 611 AM CHST SUNSET 606 PM CHST  
OCTOBER 9 2020.......SUNRISE 611 AM CHST SUNSET 605 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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