124  
CDGM40 PGUM 111603  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
203 AM CHST THU OCT 12 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 11 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 1:24 PM 92 1962 87 0 79  
1969  
MINIMUM 78 12:43 AM 73 2012 77 1 73  
2013  
2022  
AVERAGE 83 82 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 4.63 2022 0.43 -0.39 4.63  
MONTH TO DATE 9.15 5.06 4.09 7.51  
SINCE SEP 1 21.61 20.23 1.38 21.25  
SINCE JAN 1 120.09 76.86 43.23 65.48  
 
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 19 17 2 11  
MONTH TO DATE 188 187 1 171  
SINCE SEP 1 697 689 8 662  
SINCE JAN 1 4683 4817 -134 4674    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 70 11:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1969  
MINIMUM TEMPERATURE (F) 77 73 2005  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 6:11 AM CHST SUNSET 6:04 PM CHST  
OCTOBER 13 2023.......SUNRISE 6:11 AM CHST SUNSET 6:03 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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