339  
CDGM40 PGUM 270631  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
431 PM CHST FRI OCT 27 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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 85 8:33 AM 91 1970 88 -3 85  
1984  
MINIMUM 77 4:48 AM 72 1950 77 0 75  
1995  
2001  
AVERAGE 81 82 -1 80  
 
PRECIPITATION (IN)  
TODAY 0.10 2.21 1995 0.36 -0.26 0.51  
MONTH TO DATE 16.79 11.40 5.39 14.89  
SINCE SEP 1 29.25 26.57 2.68 28.63  
SINCE JAN 1 127.73 83.20 44.53 72.86  
 
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 16 17 -1 15  
MONTH TO DATE 453 459 -6 421  
SINCE SEP 1 962 961 1 912  
SINCE JAN 1 4948 5089 -141 4924    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 2:00 PM  
LOWEST 75 9:00 AM  
AVERAGE 83  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 2015  
MINIMUM TEMPERATURE (F) 77 72 1948  
1950  
1967  
 
SUNRISE AND SUNSET  
OCTOBER 27 2023.......SUNRISE 6:13 AM CHST SUNSET 5:56 PM CHST  
OCTOBER 28 2023.......SUNRISE 6:14 AM CHST SUNSET 5:55 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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