657  
CDGM40 PGUM 040629  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
429 PM CHST SUN APR 04 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 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 87 1:24 PM 91 1988 87 0 89  
MINIMUM 75 1:23 AM 71 2003 76 -1 75  
AVERAGE 81 82 -1 82  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 1996 0.09 -0.09 T  
MONTH TO DATE 0.88 0.34 0.54 0.09  
SINCE MAR 1 3.58 3.11 0.47 1.42  
SINCE JAN 1 8.70 12.60 -3.90 8.20  
 
SNOWFALL (IN)  
TODAY MM  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
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 16 17 -1 17  
MONTH TO DATE 64 65 -1 69  
SINCE MAR 1 582 552 30 610  
SINCE JAN 1 1546 1442 104 1548    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 AM  
LOWEST 63 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1969  
1988  
MINIMUM TEMPERATURE (F) 76 70 1965  
 
SUNRISE AND SUNSET  
APRIL 4 2021.........SUNRISE 6:15 AM CHST SUNSET 6:33 PM CHST  
APRIL 5 2021.........SUNRISE 6:14 AM CHST SUNSET 6:33 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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