266  
CDGM40 PGUM 201627  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
227 AM CHST SUN JAN 21 2024  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 20 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 3:28 PM 91 1982 86 -2 85  
MINIMUM 75 1:39 AM 71 1973 75 0 77  
1987  
2000  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
YESTERDAY T 1.66 1975 0.18 -0.18 0.06  
MONTH TO DATE 1.05 3.56 -2.51 13.46  
SINCE DEC 1 6.54 8.86 -2.32 22.78  
SINCE JAN 1 1.05 3.56 -2.51 13.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0.0  
 
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 15 16 -1 16  
MONTH TO DATE 321 320 1 301  
SINCE DEC 1 837 841 -4 814  
SINCE JAN 1 321 320 1 301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 18.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1:00 AM  
LOWEST 49 5:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 89 1982  
1989  
2018  
MINIMUM TEMPERATURE (F) 75 68 1973  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 6:48 AM CHST SUNSET 6:16 PM CHST  
JANUARY 22 2024.......SUNRISE 6:48 AM CHST SUNSET 6:16 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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