817  
CDGM40 PGUM 040633  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
433 PM CHST TUE MAY 04 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 4 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 1:06 PM 92 1984 88 1 89  
1987  
MINIMUM 78 3:02 AM 71 1986 77 1 81  
AVERAGE 84 82 2 85  
 
PRECIPITATION (IN)  
TODAY 0.06 2.34 1971 0.14 -0.08 0.00  
MONTH TO DATE 1.06 0.53 0.53 1.85  
SINCE MAR 1 6.78 6.88 -0.10 5.65  
SINCE JAN 1 11.90 16.37 -4.47 12.43  
 
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 17 2 20  
MONTH TO DATE 75 68 7 75  
SINCE MAR 1 1129 1062 67 1171  
SINCE JAN 1 2093 1952 141 2109    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 4:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1984  
MINIMUM TEMPERATURE (F) 77 73 1965  
1972  
1995  
 
SUNRISE AND SUNSET  
MAY 4 2021...........SUNRISE 5:58 AM CHST SUNSET 6:37 PM CHST  
MAY 5 2021...........SUNRISE 5:58 AM CHST SUNSET 6:37 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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