815  
CDGM40 PGUM 141620  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
220 AM CHST THU JUL 15 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 14 2021
 
 
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)  
YESTERDAY  
MAXIMUM 88 1:33 PM 93 1964 88 0 89  
MINIMUM 77 12:23 AM 72 1950 77 0 80  
AVERAGE 83 82 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 3.06 2011 0.37 -0.12 T  
MONTH TO DATE 2.66 4.65 -1.99 2.26  
SINCE JUN 1 7.74 11.16 -3.42 5.66  
SINCE JAN 1 25.72 31.37 -5.65 24.40  
 
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 18 17 1 20  
MONTH TO DATE 272 248 24 272  
SINCE JUN 1 840 791 49 863  
SINCE JAN 1 3413 3266 147 3483    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1993  
MINIMUM TEMPERATURE (F) 77 72 1967  
1995  
 
SUNRISE AND SUNSET  
JULY 15 2021..........SUNRISE 6:01 AM CHST SUNSET 6:52 PM CHST  
JULY 16 2021..........SUNRISE 6:02 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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