177  
CDGM40 PGUM 231629  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
229 AM CHST FRI JUL 24 2026  
   
...............................  
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 23 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 2:30 PM 92 1953 88 -1 86  
MINIMUM 79 11:50 PM 67 1986 77 2 77  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.18 1972 0.46 -0.46 0.41  
MONTH TO DATE 20.68 8.48 12.20 8.95  
SINCE JUN 1 26.01 14.99 11.02 22.45  
SINCE JAN 1 77.74 35.20 42.54 38.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 17  
MONTH TO DATE 394 407 -13 399  
SINCE JUN 1 923 959 -36 908  
SINCE JAN 1 3315 3471 -156 3472    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 75 5:00 PM  
AVERAGE 82  
   
......................................................  
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 91 2013  
2018  
2020  
MINIMUM TEMPERATURE (F) 77 66 1986  
 
SUNRISE AND SUNSET  
JULY 24 2026..........SUNRISE 6:04 AM CHST SUNSET 6:51 PM CHST  
JULY 25 2026..........SUNRISE 6:04 AM CHST SUNSET 6:51 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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