267  
CDGM40 PGUM 280629  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
429 PM CHST WED JUL 28 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 28 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 3:35 PM 93 2013 87 2 86  
MINIMUM 81 8:58 AM 73 1950 76 5 76  
1952  
AVERAGE 85 82 3 81  
 
PRECIPITATION (IN)  
TODAY 0.03 4.29 2011 0.47 -0.44 0.22  
MONTH TO DATE 7.32 10.83 -3.51 7.46  
SINCE JUN 1 12.40 17.34 -4.94 10.86  
SINCE JAN 1 30.38 37.55 -7.17 29.60  
 
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 20 17 3 16  
MONTH TO DATE 523 486 37 537  
SINCE JUN 1 1091 1029 62 1128  
SINCE JAN 1 3664 3504 160 3748    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 4 9:00 AM  
AVERAGE 47  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2013  
MINIMUM TEMPERATURE (F) 76 72 1982  
1999  
 
SUNRISE AND SUNSET  
JULY 28 2021..........SUNRISE 6:05 AM CHST SUNSET 6:50 PM CHST  
JULY 29 2021..........SUNRISE 6:05 AM CHST SUNSET 6:49 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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