979  
CDGM40 PGUM 251620  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
220 AM CHST WED MAY 26 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 25 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 3:15 PM 92 1969 89 -1 90  
1984  
2013  
MINIMUM 80 5:41 AM 73 1997 78 2 79  
2003  
AVERAGE 84 83 1 85  
 
PRECIPITATION (IN)  
YESTERDAY T 2.08 2014 0.16 -0.16 0.01  
MONTH TO DATE 5.97 3.47 2.50 5.06  
SINCE MAR 1 11.69 9.74 1.95 8.86  
SINCE JAN 1 16.81 19.23 -2.42 15.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 18 1 20  
MONTH TO DATE 449 450 -1 476  
SINCE MAR 1 1503 1467 36 1572  
SINCE JAN 1 2467 2367 100 2510    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 67 4:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1984  
MINIMUM TEMPERATURE (F) 78 72 2003  
 
SUNRISE AND SUNSET  
MAY 26 2021...........SUNRISE 5:53 AM CHST SUNSET 6:43 PM CHST  
MAY 27 2021...........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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