039  
CDGM40 PGUM 311620  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
220 AM CHST MON JAN 01 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 1 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 86 2:37 PM 90 1971 86 0 85  
1989  
MINIMUM 78 6:58 AM 70 1973 76 2 73  
AVERAGE 82 81 1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 2.98 1976 0.18 0.02 0.10  
MONTH TO DATE 0.20 0.18 0.02 0.10  
SINCE DEC 1 9.52 5.48 4.04 4.57  
SINCE JAN 1 0.20 0.18 0.02 0.10  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 16 1 14  
MONTH TO DATE 17 16 1 14  
SINCE DEC 1 530 537 -7 520  
SINCE JAN 1 17 16 1 14    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 15.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 74 5:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1971  
1989  
2019  
MINIMUM TEMPERATURE (F) 76 72 1983  
2009  
 
SUNRISE AND SUNSET  
JANUARY 2 2023.......SUNRISE 6:44 AM CHST SUNSET 6:05 PM CHST  
JANUARY 3 2023.......SUNRISE 6:44 AM CHST SUNSET 6:06 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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