128  
CDGM40 PGUM 101604  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
204 AM CHST TUE JUL 11 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 12:41 PM 93 2019 88 -3 86  
MINIMUM 75 1:05 AM 73 1947 77 -2 76  
1963  
1966  
AVERAGE 80 82 -2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.75 2.85 1997 0.34 0.41 0.03  
MONTH TO DATE 2.43 3.22 -0.79 2.55  
SINCE JUN 1 11.43 9.73 1.70 7.43  
SINCE JAN 1 72.75 29.94 42.81 23.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 18 -3 16  
MONTH TO DATE 174 180 -6 158  
SINCE JUN 1 688 723 -35 685  
SINCE JAN 1 3109 3198 -89 3167    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2013  
MINIMUM TEMPERATURE (F) 77 72 1955  
1987  
 
SUNRISE AND SUNSET  
JULY 11 2023..........SUNRISE 6:00 AM CHST SUNSET 6:52 PM CHST  
JULY 12 2023..........SUNRISE 6:00 AM CHST SUNSET 6:52 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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