729  
CDGM40 PGUM 300114  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
1114 AM CHST WED DEC 30 2020  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 2020...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1945 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 11:24 AM 91 1994 86 -1 87  
MINIMUM 75 11:17 PM 70 1967 77 -2 77  
AVERAGE 80 82 -2 82  
 
PRECIPITATION (IN)  
YESTERDAY 1.45 3.23 2009 0.24 1.21 0.02  
MONTH TO DATE 1.53 0.49 1.04 0.07  
SINCE DEC 1 1.53 0.49 1.04 0.07  
SINCE JAN 1 82.65 92.15 -9.50 90.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 17 -2 17  
MONTH TO DATE 32 34 -2 33  
SINCE DEC 1 32 34 -2 33  
SINCE JAN 1 5985 5535 450 5925    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 74 10:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 2012  
MINIMUM TEMPERATURE (F) 77 71 2003  
 
SUNRISE AND SUNSET  
DECEMBER 3 2020......SUNRISE 6:29 AM CHST SUNSET 5:52 PM CHST  
DECEMBER 4 2020......SUNRISE 6:30 AM CHST SUNSET 5:52 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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