146  
CDGM40 PGUM 260637  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
437 PM CHST MON JUL 26 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 26 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 1:03 PM 94 1984 87 2 85  
MINIMUM 78 3:54 AM 72 1985 76 2 78  
AVERAGE 84 82 2 82  
 
PRECIPITATION (IN)  
TODAY 0.02 2.93 1975 0.47 -0.45 0.46  
MONTH TO DATE 7.26 9.89 -2.63 6.08  
SINCE JUN 1 12.34 16.40 -4.06 9.48  
SINCE JAN 1 30.32 36.61 -6.29 28.22  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 17 2 17  
MONTH TO DATE 484 452 32 504  
SINCE JUN 1 1052 995 57 1095  
SINCE JAN 1 3625 3470 155 3715    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 6:00 AM  
LOWEST 63 11:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2013  
2018  
MINIMUM TEMPERATURE (F) 76 72 1969  
1989  
 
SUNRISE AND SUNSET  
JULY 26 2021..........SUNRISE 6:04 AM CHST SUNSET 6:50 PM CHST  
JULY 27 2021..........SUNRISE 6:05 AM CHST SUNSET 6:50 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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