784  
CDGM40 PGUM 221604  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
204 AM CHST MON OCT 23 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 2023...  
 
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)  
YESTERDAY  
MAXIMUM 87 12:55 PM 92 1983 88 -1 86  
MINIMUM 78 9:59 AM 70 1945 77 1 78  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.72 3.13 1968 0.38 0.34 0.10  
MONTH TO DATE 16.54 9.55 6.99 13.79  
SINCE SEP 1 29.00 24.72 4.28 27.53  
SINCE JAN 1 127.48 81.35 46.13 71.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 18 17 1 17  
MONTH TO DATE 366 374 -8 340  
SINCE SEP 1 875 876 -1 831  
SINCE JAN 1 4861 5004 -143 4843    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 9:00 AM  
LOWEST 70 5:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2018  
MINIMUM TEMPERATURE (F) 77 73 1964  
1968  
1972  
 
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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