121  
CDGM40 PGUM 081601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST TUE MAY 09 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 8 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 12:49 PM 92 1984 88 -2 87  
MINIMUM 77 5:46 AM 73 1963 77 0 79  
1964  
1968  
AVERAGE 82 83 -1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 1.42 1981 0.14 0.03 0.01  
MONTH TO DATE 0.24 1.04 -0.80 0.30  
SINCE MAR 1 10.70 7.31 3.39 7.32  
SINCE JAN 1 30.41 16.80 13.61 14.44  
 
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 18  
MONTH TO DATE 134 144 -10 141  
SINCE MAR 1 1108 1161 -53 1164  
SINCE JAN 1 2029 2061 -32 2073    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 8:00 AM  
LOWEST 65 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 91 1984  
1987  
2016  
MINIMUM TEMPERATURE (F) 77 72 1972  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 5:57 AM CHST SUNSET 6:38 PM CHST  
MAY 10 2023...........SUNRISE 5:56 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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