522  
CDGM40 PGUM 230133  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
1133 AM CHST FRI OCT 23 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 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 MM MM 92 1983 87 MM 87  
MINIMUM MM MM 70 1945 77 MM 76  
AVERAGE MM 82 MM 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.88 3.13 1968 0.36 0.52 0.00  
MONTH TO DATE 13.85 8.67 5.18 8.93  
SINCE SEP 1 24.81 22.84 1.97 29.96  
SINCE JAN 1 67.89 79.36 -11.47 73.07  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY MM 17 MM 17  
MONTH TO DATE 366 374 -8 366  
SINCE SEP 1 904 867 37 869  
SINCE JAN 1 5275 4854 421 5198    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 4.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 300 AM  
LOWEST 65 100 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 2018  
MINIMUM TEMPERATURE (F) 77 73 1972  
1968  
1964  
 
 
SUNRISE AND SUNSET  
OCTOBER 23 2020.......SUNRISE 613 AM CHST SUNSET 557 PM CHST  
OCTOBER 24 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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