737  
CDGM40 PGUM 091600  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
200 AM CHST THU JUN 10 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JUNE 9 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 89 5:04 PM 93 1987 89 0 88  
MINIMUM 75 6:20 AM 73 1955 78 -3 80  
1972  
AVERAGE 82 83 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.93 1989 0.19 -0.19 T  
MONTH TO DATE 0.56 1.63 -1.07 1.24  
SINCE JUN 1 0.56 1.63 -1.07 1.24  
SINCE JAN 1 18.54 21.84 -3.30 19.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 18 -1 19  
MONTH TO DATE 159 162 -3 169  
SINCE JUN 1 159 162 -3 169  
SINCE JAN 1 2732 2637 95 2789    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 AM  
LOWEST 61 5:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1964  
2016  
2017  
MINIMUM TEMPERATURE (F) 78 71 1988  
 
SUNRISE AND SUNSET  
JUNE 10 2021..........SUNRISE 5:53 AM CHST SUNSET 6:47 PM CHST  
JUNE 11 2021..........SUNRISE 5:53 AM CHST SUNSET 6:48 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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