157  
CDGM40 PGUM 311638  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
238 AM CHST WED APR 01 2026  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 31 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 2:52 PM 92 2006 88 -1 87  
MINIMUM 77 4:10 AM 62 1969 76 1 77  
AVERAGE 82 82 0 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.03 1976 0.08 -0.06 0.02  
MONTH TO DATE 14.90 2.77 12.13 3.08  
SINCE MAR 1 14.90 2.77 12.13 3.08  
SINCE JAN 1 28.67 12.26 16.41 11.34  
 
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 17 17 0 17  
MONTH TO DATE 443 504 -61 509  
SINCE MAR 1 443 504 -61 509  
SINCE JAN 1 1355 1423 -68 1469    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 8:00 AM  
LOWEST 63 1:00 PM  
AVERAGE 77  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 90 2013  
2014  
2018  
MINIMUM TEMPERATURE (F) 76 62 1983  
 
SUNRISE AND SUNSET  
APRIL 1 2026.........SUNRISE 6:17 AM CHST SUNSET 6:33 PM CHST  
APRIL 2 2026.........SUNRISE 6:17 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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