108  
CDGM40 PGUM 161602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST WED MAY 17 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 16 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 88 1:54 PM 92 1987 89 -1 89  
MINIMUM 79 5:12 AM 73 1982 78 1 76  
2005  
AVERAGE 84 83 1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 2.92 1964 0.14 -0.14 T  
MONTH TO DATE 0.44 2.11 -1.67 0.55  
SINCE MAR 1 10.90 8.38 2.52 7.57  
SINCE JAN 1 30.61 17.87 12.74 14.69  
 
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 19 18 1 18  
MONTH TO DATE 280 288 -8 282  
SINCE MAR 1 1254 1305 -51 1305  
SINCE JAN 1 2175 2205 -30 2214    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1:00 AM  
LOWEST 64 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 91 2013  
2014  
2016  
MINIMUM TEMPERATURE (F) 78 72 1966  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 5:54 AM CHST SUNSET 6:40 PM CHST  
MAY 18 2023...........SUNRISE 5:54 AM CHST SUNSET 6:40 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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