900  
CDGM40 PGUM 211828  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
426 AM CHST THU OCT 22 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 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 87 304 PM 92 1984 87 0 88  
MINIMUM 77 851 PM 70 1945 77 0 76  
AVERAGE 82 82 0 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.57 5.40 1992 0.37 0.20 0.16  
MONTH TO DATE 12.97 8.31 4.66 8.93  
SINCE SEP 1 23.93 22.48 1.45 29.96  
SINCE JAN 1 67.01 79.00 -11.99 73.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 17 0 17  
MONTH TO DATE 366 357 9 349  
SINCE SEP 1 904 850 54 852  
SINCE JAN 1 5275 4837 438 5181    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 68 1200 PM  
AVERAGE 77  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1983  
MINIMUM TEMPERATURE (F) 77 70 1945  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2020.......SUNRISE 613 AM CHST SUNSET 558 PM CHST  
OCTOBER 23 2020.......SUNRISE 613 AM CHST SUNSET 557 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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