268  
CDGM40 PGUM 210641  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
441 PM CHST FRI APR 21 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 21 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 85 12:48 PM 93 1982 88 -3 87  
MINIMUM 74 5:46 AM 71 1972 77 -3 77  
AVERAGE 80 82 -2 82  
 
PRECIPITATION (IN)  
TODAY 0.06 4.52 1989 0.13 -0.07 T  
MONTH TO DATE 3.48 2.33 1.15 3.82  
SINCE MAR 1 8.93 5.10 3.83 6.10  
SINCE JAN 1 28.64 14.59 14.05 13.22  
 
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 18 -3 17  
MONTH TO DATE 340 360 -20 344  
SINCE MAR 1 822 858 -36 869  
SINCE JAN 1 1743 1758 -15 1778    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 72 4:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1984  
MINIMUM TEMPERATURE (F) 77 71 1965  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 6:05 AM CHST SUNSET 6:35 PM CHST  
APRIL 22 2023.........SUNRISE 6:04 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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