157  
CDGM40 PGUM 201601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST TUE MAY 21 2024  
   
...............................  
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 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 87 2:06 PM 92 2012 89 -2 89  
MINIMUM 78 12:39 AM 73 1965 78 0 78  
AVERAGE 83 83 0 84  
 
PRECIPITATION (IN)  
YESTERDAY T 3.41 1976 0.15 -0.15 T  
MONTH TO DATE 1.27 2.67 -1.40 0.48  
SINCE MAR 1 10.06 8.94 1.12 10.94  
SINCE JAN 1 14.32 18.43 -4.11 30.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 18 0 19  
MONTH TO DATE 360 360 0 354  
SINCE MAR 1 1378 1389 -11 1328  
SINCE JAN 1 2287 2308 -21 2250    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 66 2:00 PM  
AVERAGE 78  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1971  
2013  
MINIMUM TEMPERATURE (F) 78 74 1987  
1991  
1992  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:53 AM CHST SUNSET 6:41 PM CHST  
MAY 22 2024...........SUNRISE 5:53 AM CHST SUNSET 6:42 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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