789  
CDGM40 PGUM 120630  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
430 PM CHST FRI MAY 12 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 12 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 1:51 PM 92 1987 89 -1 87  
1988  
MINIMUM 78 2:22 AM 71 1972 78 0 77  
1993  
AVERAGE 83 83 0 82  
 
PRECIPITATION (IN)  
TODAY 0.00 2.07 1964 0.13 -0.13 0.13  
MONTH TO DATE 0.29 1.57 -1.28 0.53  
SINCE MAR 1 10.75 7.84 2.91 7.55  
SINCE JAN 1 30.46 17.33 13.13 14.67  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 18 18 0 17  
MONTH TO DATE 206 216 -10 211  
SINCE MAR 1 1180 1233 -53 1234  
SINCE JAN 1 2101 2133 -32 2143    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 12:00 AM  
LOWEST 65 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 2014  
MINIMUM TEMPERATURE (F) 78 72 2019  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:56 AM CHST SUNSET 6:39 PM CHST  
MAY 13 2023...........SUNRISE 5:55 AM CHST SUNSET 6:39 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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