531  
CDGM40 PGUM 021606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST TUE OCT 03 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 88 1:46 PM 91 1986 87 1 86  
1987  
2001  
MINIMUM 78 6:02 AM 70 1950 76 2 74  
AVERAGE 83 82 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 4.68 1950 0.48 -0.39 0.25  
MONTH TO DATE 0.09 0.96 -0.87 0.65  
SINCE SEP 1 12.55 16.13 -3.58 14.39  
SINCE JAN 1 111.03 72.76 38.27 58.62  
 
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 15  
MONTH TO DATE 35 34 1 31  
SINCE SEP 1 544 536 8 522  
SINCE JAN 1 4530 4664 -134 4534    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 11:00 PM  
LOWEST 68 4:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1951  
1984  
2018  
MINIMUM TEMPERATURE (F) 77 71 1986  
 
SUNRISE AND SUNSET  
OCTOBER 3 2023.......SUNRISE 6:10 AM CHST SUNSET 6:10 PM CHST  
OCTOBER 4 2023.......SUNRISE 6:10 AM CHST SUNSET 6:09 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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