072  
CDGM40 PGUM 071603  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
203 AM CHST SAT MAY 08 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 7 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 86 3:38 PM 92 1984 88 -2 88  
1988  
MINIMUM 77 12:15 PM 72 1952 77 0 79  
AVERAGE 82 83 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.67 2.19 2004 0.13 0.42 T  
MONTH TO DATE 2.12 0.90 1.10 1.92  
SINCE MAR 1 7.72 7.17 0.55 5.72  
SINCE JAN 1 12.96 16.66 -3.82 12.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 18 -1 19  
MONTH TO DATE 129 126 3 133  
SINCE MAR 1 1183 1143 40 1229  
SINCE JAN 1 2147 2043 104 2167    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 PM  
LOWEST 72 3:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1984  
MINIMUM TEMPERATURE (F) 77 73 1963  
1964  
1968  
 
SUNRISE AND SUNSET  
MAY 8 2021...........SUNRISE 5:57 AM CHST SUNSET 6:38 PM CHST  
MAY 9 2021...........SUNRISE 5:57 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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