914  
CDGM40 PGUM 200628  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
428 PM CHST SAT MAY 20 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89 MM 92 2012 89 0 87  
MINIMUM 78 6:13 AM 73 1965 78 0 75  
AVERAGE 84 83 1 81  
 
PRECIPITATION (IN)  
TODAY T 3.41 1976 0.15 -0.15 0.22  
MONTH TO DATE 0.48 2.67 -2.19 0.87  
SINCE MAR 1 10.94 8.94 2.00 7.89  
SINCE JAN 1 30.65 18.43 12.22 15.01  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 19 18 1 16  
MONTH TO DATE 355 360 -5 353  
SINCE MAR 1 1329 1377 -48 1376  
SINCE JAN 1 2250 2277 -27 2285    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 56 1:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1971  
2013  
MINIMUM TEMPERATURE (F) 78 74 1987  
1991  
1992  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 5:54 AM CHST SUNSET 6:41 PM CHST  
MAY 21 2023...........SUNRISE 5:54 AM CHST SUNSET 6:41 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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