923  
CDGM40 PGUM 171833  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
431 AM CHST TUE FEB 18 2020  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR FEBRUARY 17 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 85 258 PM 89 1985 85 0 87  
1946  
MINIMUM 76 452 AM 69 1969 75 1 75  
AVERAGE 81 80 1 81  
 
PRECIPITATION (IN)  
YESTERDAY T 1.04 1989 0.17 -0.17 0.00  
MONTH TO DATE 3.29 2.74 0.55 0.61  
SINCE DEC 1 7.74 13.68 -5.94 12.60  
SINCE JAN 1 6.28 7.70 -1.42 4.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 16  
MONTH TO DATE 256 255 1 275  
SINCE DEC 1 1266 1228 38 1391  
SINCE JAN 1 744 726 18 792    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 15.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1100 AM  
LOWEST 55 1200 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 1946  
MINIMUM TEMPERATURE (F) 75 70 2015  
1989  
1966  
 
 
SUNRISE AND SUNSET  
FEBRUARY 18 2020......SUNRISE 643 AM CHST SUNSET 627 PM CHST  
FEBRUARY 19 2020......SUNRISE 642 AM CHST SUNSET 627 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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