928  
CDGM40 PGUM 301847  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
447 AM CHST SUN MAY 31 2020  
 
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MAY 30 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 85 158 PM 94 1971 88 -3 90  
MINIMUM 77 817 AM 72 1985 78 -1 81  
AVERAGE 81 83 -2 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 1.51 1960 0.16 0.32 0.01  
MONTH TO DATE 5.68 4.15 1.53 2.59  
SINCE MAR 1 9.48 10.50 -1.02 4.55  
SINCE JAN 1 16.26 19.99 -3.73 15.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 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 MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 18 -2 21  
MONTH TO DATE 570 528 42 565  
SINCE MAR 1 1666 1522 144 1618  
SINCE JAN 1 2604 2412 192 2581    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 800 PM  
LOWEST 74 1200 PM  
AVERAGE 83  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1988  
1985  
MINIMUM TEMPERATURE (F) 78 72 1985  
 
 
SUNRISE AND SUNSET  
MAY 31 2020...........SUNRISE 553 AM CHST SUNSET 644 PM CHST  
JUNE 1 2020..........SUNRISE 553 AM CHST SUNSET 645 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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