661  
CDGM40 PGUM 250017  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
1017 AM CHST THU MAY 25 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 24 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 82 3:18 PM 92 1992 89 -7 88  
2013  
MINIMUM 78 11:59 PM 73 1972 78 0 79  
AVERAGE 80 83 -3 84  
 
PRECIPITATION (IN)  
YESTERDAY 9.53R 9.53 2023 0.16 9.37 T  
MONTH TO DATE 12.87 3.31 9.56 1.35  
SINCE MAR 1 23.33 9.58 13.75 8.37  
SINCE JAN 1 43.04 19.07 23.97 15.49  
 
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 15 18 -3 19  
MONTH TO DATE 420 432 -12 423  
SINCE MAR 1 1394 1449 -55 1446  
SINCE JAN 1 2315 2349 -34 2355    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 34 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 72 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 105 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 41.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 PM  
LOWEST 85 10:00 AM  
AVERAGE 93  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1969  
1984  
2013  
MINIMUM TEMPERATURE (F) 78 73 1997  
2003  
 
SUNRISE AND SUNSET  
MAY 25 2023...........SUNRISE 5:53 AM CHST SUNSET 6:42 PM CHST  
MAY 26 2023...........SUNRISE 5:53 AM CHST SUNSET 6:43 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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