094  
CDGM40 PGUM 270631  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
431 PM CHST TUE JUL 27 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 27 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 3:03 PM 92 2013 87 2 87  
2018  
MINIMUM 79 6:20 AM 72 1969 76 3 77  
1989  
AVERAGE 84 82 2 82  
 
PRECIPITATION (IN)  
TODAY T 2.88 1962 0.47 -0.47 1.16  
MONTH TO DATE 7.29 10.36 -3.07 7.24  
SINCE JUN 1 12.37 16.87 -4.50 10.64  
SINCE JAN 1 30.35 37.08 -6.73 29.38  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 17 2 17  
MONTH TO DATE 503 469 34 521  
SINCE JUN 1 1071 1012 59 1112  
SINCE JAN 1 3644 3487 157 3732    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 72 10:00 AM  
AVERAGE 81  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 2013  
MINIMUM TEMPERATURE (F) 76 73 1950  
1952  
 
SUNRISE AND SUNSET  
JULY 27 2021..........SUNRISE 6:05 AM CHST SUNSET 6:50 PM CHST  
JULY 28 2021..........SUNRISE 6:05 AM CHST SUNSET 6:50 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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