666  
CDGM40 PGUM 030719  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
519 PM CHST SAT OCT 03 2026  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 2026...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 11:31 AM 92 1951 87 -3 87  
1984  
2018  
MINIMUM 66R 3:09 AM 71 1986 77 -11 77  
AVERAGE 75 82 -7 82  
 
PRECIPITATION (IN)  
TODAY 2.00 8.01 1986 0.49 1.51 0.12  
MONTH TO DATE 4.52 1.45 3.07 0.20  
SINCE SEP 1 21.20 16.62 4.58 12.54  
SINCE JAN 1 113.23 73.25 39.98 67.82  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 10 17 -7 17  
MONTH TO DATE 40 51 -11 53  
SINCE SEP 1 551 553 -2 542  
SINCE JAN 1 4545 4681 -136 4671    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 23 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 61 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 22.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 75 12:00 PM  
AVERAGE 86  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1984  
MINIMUM TEMPERATURE (F) 77 71 1991  
 
SUNRISE AND SUNSET  
OCTOBER 3 2026.......SUNRISE 6:10 AM CHST SUNSET 6:09 PM CHST  
OCTOBER 4 2026.......SUNRISE 6:10 AM CHST SUNSET 6:09 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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