046  
CDGM40 PGUM 220632  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
432 PM CHST SUN AUG 22 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 88 11:47 AM 92 1966 87 1 90  
MINIMUM 75 2:37 PM 70 1986 76 -1 78  
AVERAGE 82 82 0 84  
 
PRECIPITATION (IN)  
TODAY 1.53 7.52 2004 0.55 0.98 1.48  
MONTH TO DATE 11.61 12.55 -0.94 5.09  
SINCE JUN 1 25.45 31.31 -5.86 16.75  
SINCE JAN 1 43.43 51.52 -8.09 35.49  
 
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 17 16 1 19  
MONTH TO DATE 383 361 22 415  
SINCE JUN 1 1530 1439 91 1601  
SINCE JAN 1 4103 3914 189 4221    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 70 11:00 AM  
AVERAGE 83  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 2019  
MINIMUM TEMPERATURE (F) 76 73 1968  
1995  
2005  
 
SUNRISE AND SUNSET  
AUGUST 22 2021........SUNRISE 6:09 AM CHST SUNSET 6:39 PM CHST  
AUGUST 23 2021........SUNRISE 6:09 AM CHST SUNSET 6:38 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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