091  
CDGM40 PGUM 041835  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
434 AM CHST MON OCT 5 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 88 452 PM 93 1984 87 1 88  
MINIMUM 77 656 AM 71 1991 76 1 76  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 6.27 1951 0.41 -0.29 T  
MONTH TO DATE 1.82 1.63 0.19 0.78  
SINCE SEP 1 12.78 15.80 -3.02 21.81  
SINCE JAN 1 55.86 72.32 -16.46 64.92  
 
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 17  
MONTH TO DATE 70 68 2 69  
SINCE SEP 1 608 561 47 572  
SINCE JAN 1 4979 4548 431 4901    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 3.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 800 AM  
LOWEST 68 300 PM  
AVERAGE 83  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1983  
MINIMUM TEMPERATURE (F) 76 71 1991  
 
 
SUNRISE AND SUNSET  
OCTOBER 5 2020.......SUNRISE 610 AM CHST SUNSET 608 PM CHST  
OCTOBER 6 2020.......SUNRISE 610 AM CHST SUNSET 607 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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