757  
CDGM40 PGUM 131608  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
208 AM CHST WED JUL 14 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 13 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 1:54 PM 91 1989 88 0 89  
1990  
2013  
MINIMUM 77 8:15 AM 71 1950 77 0 76  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 2.82 2011 0.36 -0.15 0.79  
MONTH TO DATE 2.41 4.28 -1.87 2.26  
SINCE JUN 1 7.49 10.79 -3.30 5.66  
SINCE JAN 1 25.47 31.00 -5.53 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 18  
MONTH TO DATE 254 231 23 252  
SINCE JUN 1 822 774 48 843  
SINCE JAN 1 3395 3249 146 3463    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 63 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1964  
MINIMUM TEMPERATURE (F) 77 72 1950  
 
SUNRISE AND SUNSET  
JULY 14 2021..........SUNRISE 6:01 AM CHST SUNSET 6:52 PM CHST  
JULY 15 2021..........SUNRISE 6:01 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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