098  
CDGM40 PGUM 021602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST TUE AUG 03 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 2 2021...  
 
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)  
YESTERDAY  
MAXIMUM 83 9:28 PM 93 1994 87 -4 89  
MINIMUM 77 1:19 PM 73 1952 76 1 81  
1996  
AVERAGE 80 82 -2 85  
 
PRECIPITATION (IN)  
YESTERDAY 1.93 5.73 1962 0.53 1.40 0.21  
MONTH TO DATE 2.86 1.05 1.81 0.22  
SINCE JUN 1 16.70 19.81 -3.11 11.88  
SINCE JAN 1 34.68 40.02 -5.34 30.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 17 -2 20  
MONTH TO DATE 33 34 -1 41  
SINCE JUN 1 1180 1112 68 1227  
SINCE JAN 1 3753 3587 166 3847    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 85 11:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1986  
1990  
1991  
MINIMUM TEMPERATURE (F) 76 71 1989  
 
SUNRISE AND SUNSET  
AUGUST 3 2021........SUNRISE 6:06 AM CHST SUNSET 6:48 PM CHST  
AUGUST 4 2021........SUNRISE 6:06 AM CHST SUNSET 6:47 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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