667  
CDGM40 PGUM 061602  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
202 AM CHST SAT AUG 07 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 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 88 3:57 PM 94 1994 87 1 88  
MINIMUM 77 7:51 AM 71 1950 76 1 80  
AVERAGE 83 82 1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.67 3.19 2006 0.54 0.13 0.04  
MONTH TO DATE 5.31 3.18 2.13 0.77  
SINCE JUN 1 19.15 21.94 -2.79 12.43  
SINCE JAN 1 37.13 42.15 -5.02 31.17  
 
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 18 17 1 19  
MONTH TO DATE 105 102 3 119  
SINCE JUN 1 1252 1180 72 1305  
SINCE JAN 1 3825 3655 170 3925    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 70 3:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1984  
1990  
1991  
MINIMUM TEMPERATURE (F) 76 73 1951  
2019  
 
SUNRISE AND SUNSET  
AUGUST 7 2021........SUNRISE 6:07 AM CHST SUNSET 6:46 PM CHST  
AUGUST 8 2021........SUNRISE 6:07 AM CHST SUNSET 6:46 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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