664  
CDGM40 PGUM 270637  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
437 PM CHST TUE OCT 27 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 27 2020...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 86 253 PM 91 1984 87 -1 87  
1970  
MINIMUM 74 636 AM 72 2001 77 -3 77  
1995  
1950  
AVERAGE 80 82 -2 82  
 
PRECIPITATION (IN)  
TODAY 0.44 2.21 1995 0.35 0.09 T  
MONTH TO DATE 15.86 10.45 5.41 9.97  
SINCE SEP 1 26.82 24.62 2.20 31.00  
SINCE JAN 1 69.90 81.14 -11.24 74.11  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0  
MONTH TO DATE 0  
SINCE SEP 1 0  
SINCE JUL 1 0  
 
COOLING  
TODAY 15 17 -2 17  
MONTH TO DATE 459 459 0 455  
SINCE SEP 1 997 952 45 958  
SINCE JAN 1 5368 4939 429 5287    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 600 AM  
LOWEST 70 100 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 2015  
MINIMUM TEMPERATURE (F) 77 72 1967  
1950  
1948  
 
 
SUNRISE AND SUNSET  
OCTOBER 27 2020.......SUNRISE 614 AM CHST SUNSET 556 PM CHST  
OCTOBER 28 2020.......SUNRISE 614 AM CHST SUNSET 555 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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