809  
CDGM40 PGUM 230631  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
431 PM CHST FRI APR 23 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 23 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 2:13 PM 91 1984 88 1 90  
1990  
2013  
MINIMUM 71R 5:56 AM 72 1972 77 -6 78  
AVERAGE 80 82 -2 84  
 
PRECIPITATION (IN)  
TODAY 0.00 2.07 1964 0.14 -0.14 0.04  
MONTH TO DATE 1.43 2.55 -1.12 1.42  
SINCE MAR 1 4.13 5.32 -1.19 2.75  
SINCE JAN 1 9.25 14.81 -5.56 9.53  
 
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 15 17 -2 19  
MONTH TO DATE 412 388 24 414  
SINCE MAR 1 930 875 55 955  
SINCE JAN 1 1894 1765 129 1893    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
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 87 6:00 AM  
LOWEST 55 9:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1966  
2018  
MINIMUM TEMPERATURE (F) 77 72 1992  
 
SUNRISE AND SUNSET  
APRIL 23 2021.........SUNRISE 6:04 AM CHST SUNSET 6:35 PM CHST  
APRIL 24 2021.........SUNRISE 6:03 AM CHST SUNSET 6:35 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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