617  
CDGM40 PGUM 220644  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
444 PM CHST TUE JUN 22 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 22 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 82 3:47 PM 93 1983 89 -7 90  
MINIMUM 76 9:53 AM 70 1966 78 -2 80  
AVERAGE 79 83 -4 85  
 
PRECIPITATION (IN)  
TODAY 2.59R 2.40 2004 0.24 2.35 0.03  
MONTH TO DATE 3.93 4.33 -0.40 2.48  
SINCE JUN 1 3.93 4.33 -0.40 2.48  
SINCE JAN 1 21.91 24.54 -2.63 21.22  
 
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 14 18 -4 20  
MONTH TO DATE 410 396 14 431  
SINCE JUN 1 410 396 14 431  
SINCE JAN 1 2983 2871 112 3051    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 16.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 7:00 AM  
LOWEST 67 12:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1985  
2013  
2016  
MINIMUM TEMPERATURE (F) 78 72 1967  
1997  
 
SUNRISE AND SUNSET  
JUNE 22 2021..........SUNRISE 5:55 AM CHST SUNSET 6:50 PM CHST  
JUNE 23 2021..........SUNRISE 5:55 AM CHST SUNSET 6:51 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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