CDGM40 PGUM 261656

CLIGUM



CLIMATE REPORT 

NATIONAL WEATHER SERVICE TIYAN GUAM

256 AM CHST FRI JUN 27 2025



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



...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 25 2025...



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1945 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         81  12:00 AM  92    1969  89     -8       88        

  MINIMUM         74   7:12 AM  71    1968  78     -4       79        

  AVERAGE         78                        83     -5       84     



PRECIPITATION (IN)                                                    

  YESTERDAY        5.37R         1.17 2025   0.26   5.11     0.22     

  MONTH TO DATE   11.08                      5.10   5.98     6.59     

  SINCE JUN 1     11.08                      5.10   5.98     6.59     

  SINCE JAN 1     26.81                     25.31   1.50    23.46     



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       13                        18     -5       19        

  MONTH TO DATE  438                       450    -12      439        

  SINCE JUN 1    438                       450    -12      439        

  SINCE JAN 1   3002                      2962     40     2920        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED  MM   RESULTANT WIND DIRECTION  MM            

  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (170)       

  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (170)       

  AVERAGE WIND SPEED    MM                                           





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER  MM                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  HEAVY RAIN                                                          

  RAIN                                                                





RELATIVE HUMIDITY (PERCENT)

 HIGHEST   100           7:00 AM                                      

 LOWEST     82          12:00 AM                                      

 AVERAGE    91                                                        



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





THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   89        91      1993                      

                                             2007                     

                                             2016                     

 MINIMUM TEMPERATURE (F)   78        72      1956                      





SUNRISE AND SUNSET                                                    

JUNE 26 2025..........SUNRISE   5:56 AM CHST  SUNSET   6:51 PM CHST    

JUNE 27 2025..........SUNRISE   5:56 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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