CDGM40 PGUM 200630
CLIGUM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE TIYAN GUAM
430 PM CHST WED MAY 20 2026

...................................

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         87  12:58 PM  92    2012  89     -2       88        
  MINIMUM         78   7:06 AM  67    1972  78      0       78        
  AVERAGE         83                        83      0       83     

PRECIPITATION (IN)                                                    
  TODAY            0.04          2.94 1976   0.15  -0.11     0.15     
  MONTH TO DATE    4.62                      2.67   1.95     1.12     
  SINCE MAR 1     33.69                      8.94  24.75     6.61     
  SINCE JAN 1     47.46                     18.43  29.03    14.87     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      0                         0      0        0        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  TODAY           18                        18      0       18        
  MONTH TO DATE  348                       360    -12      370        
  SINCE MAR 1   1289                      1389   -100     1398        
  SINCE JAN 1   2201                      2308   -107     2358        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   E (80)        
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (80)        
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED    15.0                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          12:00 AM                                      
 LOWEST     63           3:00 PM                                      
 AVERAGE    77                                                        

..........................................................


THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        92      2013                      
 MINIMUM TEMPERATURE (F)   78        65      1987                      


SUNRISE AND SUNSET                                                    
MAY 20 2026...........SUNRISE   5:54 AM CHST  SUNSET   6:41 PM CHST    
MAY 21 2026...........SUNRISE   5:54 AM CHST  SUNSET   6:41 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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