990  
CDGM40 PGUM 230630  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
430 PM CHST MON OCT 23 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 2:51 PM 93 2018 88 -1 84  
MINIMUM 79 5:42 AM 73 1964 77 2 77  
1968  
1972  
AVERAGE 83 82 1 81  
 
PRECIPITATION (IN)  
TODAY 0.09 2.85 1961 0.38 -0.29 0.03  
MONTH TO DATE 16.63 9.93 6.70 13.82  
SINCE SEP 1 29.09 25.10 3.99 27.56  
SINCE JAN 1 127.57 81.73 45.84 71.79  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 17 1 16  
MONTH TO DATE 384 391 -7 356  
SINCE SEP 1 893 893 0 847  
SINCE JAN 1 4879 5021 -142 4859    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 10:00 AM  
LOWEST 68 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 1969  
1981  
1990  
MINIMUM TEMPERATURE (F) 77 71 1991  
 
SUNRISE AND SUNSET  
OCTOBER 23 2023.......SUNRISE 6:13 AM CHST SUNSET 5:58 PM CHST  
OCTOBER 24 2023.......SUNRISE 6:13 AM CHST SUNSET 5:57 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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