496  
CDGM40 PGUM 171606  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
206 AM CHST TUE APR 18 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 17 2023...  
 
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)  
YESTERDAY  
MAXIMUM 88 1:54 PM 91 1984 88 0 86  
1985  
2014  
MINIMUM 78 2:50 AM 72 1951 77 1 77  
1995  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 3.16 1951 0.13 -0.09 0.03  
MONTH TO DATE 2.49 1.83 0.66 2.80  
SINCE MAR 1 7.94 4.60 3.34 5.08  
SINCE JAN 1 27.65 14.09 13.56 12.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 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 18 17 1 17  
MONTH TO DATE 276 289 -13 278  
SINCE MAR 1 758 787 -29 803  
SINCE JAN 1 1679 1687 -8 1712    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 2:00 AM  
LOWEST 59 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 96 1971  
MINIMUM TEMPERATURE (F) 77 74 1992  
1994  
1997  
 
SUNRISE AND SUNSET  
APRIL 18 2023.........SUNRISE 6:07 AM CHST SUNSET 6:34 PM CHST  
APRIL 19 2023.........SUNRISE 6:06 AM CHST SUNSET 6:34 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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