428  
CDGM40 PGUM 061602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST WED JUL 07 2021  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 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 91 1:39 PM 92 1993 88 3 89  
2014  
MINIMUM 80 4:09 AM 72 1955 77 3 80  
1967  
AVERAGE 86 83 3 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.08 1974 0.31 -0.31 T  
MONTH TO DATE 0.75 1.87 -1.12 0.47  
SINCE JUN 1 5.83 8.38 -2.55 3.87  
SINCE JAN 1 23.81 28.59 -4.78 22.61  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
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 21 18 3 20  
MONTH TO DATE 119 108 11 116  
SINCE JUN 1 687 651 36 707  
SINCE JAN 1 3260 3126 134 3327    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 10:00 PM  
LOWEST 59 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1984  
2007  
MINIMUM TEMPERATURE (F) 77 72 1951  
1992  
 
SUNRISE AND SUNSET  
JULY 7 2021..........SUNRISE 5:59 AM CHST SUNSET 6:52 PM CHST  
JULY 8 2021..........SUNRISE 5:59 AM CHST SUNSET 6:52 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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