968  
CDGM40 PGUM 271611  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
211 AM CHST MON JUN 28 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 27 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 90 2:31 PM 94 1974 88 2 90  
MINIMUM 80 10:32 AM 74 1981 78 2 81  
1994  
1995  
AVERAGE 85 83 2 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 3.15 1962 0.28 -0.22 0.11  
MONTH TO DATE 4.51 5.65 -1.14 3.14  
SINCE JUN 1 4.51 5.65 -1.14 3.14  
SINCE JAN 1 22.49 25.86 -3.37 21.88  
 
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 20 18 2 21  
MONTH TO DATE 508 486 22 532  
SINCE JUN 1 508 486 22 532  
SINCE JAN 1 3081 2961 120 3152    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 10:00 AM  
LOWEST 59 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 1969  
MINIMUM TEMPERATURE (F) 78 72 1947  
 
SUNRISE AND SUNSET  
JUNE 28 2021..........SUNRISE 5:57 AM CHST SUNSET 6:52 PM CHST  
JUNE 29 2021..........SUNRISE 5:57 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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