824  
CDGM40 PGUM 310655  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
445 PM CHST SAT OCT 31 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 31 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 87 1255 PM 92 1966 87 0 90  
MINIMUM 78 430 AM 70 1986 77 1 80  
AVERAGE 83 82 1 85  
 
PRECIPITATION (IN)  
TODAY 0.06 1.67 1995 0.33 -0.27 0.04  
MONTH TO DATE 16.72 11.80 4.92 10.60  
SINCE SEP 1 27.68 25.97 1.71 31.63  
SINCE JAN 1 70.76 82.49 -11.73 74.74  
 
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 18 17 1 20  
MONTH TO DATE 525 516 9 531  
SINCE SEP 1 1063 1009 54 1034  
SINCE JAN 1 5434 4996 438 5363    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 12.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 100 AM  
LOWEST 68 100 PM  
AVERAGE 77  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1962  
MINIMUM TEMPERATURE (F) 77 73 1951  
1950  
 
 
SUNRISE AND SUNSET  
OCTOBER 31 2020.......SUNRISE 615 AM CHST SUNSET 554 PM CHST  
NOVEMBER 1 2020......SUNRISE 615 AM CHST SUNSET 554 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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