261  
CDGM40 PGUM 070627  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
427 PM CHST FRI MAY 07 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 6 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 88 1:02 PM 92 1982 88 0 89  
1984  
MINIMUM 78 2:59 AM 71 1972 77 1 81  
AVERAGE 83 83 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.30 1.46 1952 0.14 0.16 0.00  
MONTH TO DATE 1.45 0.77 0.68 1.92  
SINCE MAR 1 7.17 7.04 0.13 5.72  
SINCE JAN 1 12.29 16.53 -4.24 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 18 18 0 20  
MONTH TO DATE 112 108 4 114  
SINCE MAR 1 1166 1125 41 1210  
SINCE JAN 1 2130 2025 105 2148    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 AM  
LOWEST 65 11:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1984  
1988  
MINIMUM TEMPERATURE (F) 77 72 1952  
 
SUNRISE AND SUNSET  
MAY 7 2021...........SUNRISE 5:57 AM CHST SUNSET 6:38 PM CHST  
MAY 8 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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