867  
CDGM40 PGUM 080652  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
441 PM CHST THU OCT 8 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 8 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 88 1255 PM 92 1990 87 1 83  
MINIMUM 81 256 AM 71 1987 76 5 74  
1954  
AVERAGE 85 82 3 79  
 
PRECIPITATION (IN)  
TODAY 0.08 2.44 1951 0.42 -0.34 2.17  
MONTH TO DATE 4.04 3.27 0.77 5.84  
SINCE SEP 1 15.00 17.44 -2.44 26.87  
SINCE JAN 1 58.08 73.96 -15.88 69.98  
 
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 20 17 3 14  
MONTH TO DATE 143 136 7 130  
SINCE SEP 1 681 629 52 633  
SINCE JAN 1 5052 4616 436 4962    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 200 AM  
LOWEST 75 1000 AM  
AVERAGE 83  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1984  
1967  
MINIMUM TEMPERATURE (F) 76 71 1952  
 
 
SUNRISE AND SUNSET  
OCTOBER 8 2020.......SUNRISE 611 AM CHST SUNSET 606 PM CHST  
OCTOBER 9 2020.......SUNRISE 611 AM CHST SUNSET 605 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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