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CDGM40 PGUM 161615

CLIGUM



CLIMATE REPORT 

NATIONAL WEATHER SERVICE TIYAN GUAM

215 AM CHST FRI JUL 17 2026



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



...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 16 2026...



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)                                                          

 YESTERDAY                                                           

  MAXIMUM         89  12:54 PM  91    1979  88      1       87        

                                      1983                           

  MINIMUM         76  11:28 PM  69    1990  77     -1       78        

  AVERAGE         83                        82      1       83     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.38          2.44 1958   0.41  -0.03     0.00     

  MONTH TO DATE   19.53                      5.44  14.09     5.68     

  SINCE JUN 1     24.86                     11.95  12.91    19.18     

  SINCE JAN 1     76.59                     32.16  44.43    34.91     



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                        18      0       18        

  MONTH TO DATE  271                       288    -17      279        

  SINCE JUN 1    800                       840    -40      788        

  SINCE JAN 1   3192                      3352   -160     3352        

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





WIND (MPH)                                                            

  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (230)       

  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (240)       

  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (240)       

  AVERAGE WIND SPEED    10.1                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.5                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  HEAVY RAIN                                                          

  RAIN                                                                

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    94           9:00 PM                                      

 LOWEST     68          12:00 PM                                      

 AVERAGE    81                                                        



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





THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   88        91      2013                      

                                             2019                     

 MINIMUM TEMPERATURE (F)   77        69      1968                      

                                             1971                     

                                             1984                     





SUNRISE AND SUNSET                                                    

JULY 17 2026..........SUNRISE   6:02 AM CHST  SUNSET   6:52 PM CHST    

JULY 18 2026..........SUNRISE   6:02 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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