194  
CDGM40 PGUM 210640  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
429 PM CHST SAT APR 21 2018  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR APRIL 21 2018...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 352 PM 93 1982 88 -1 89  
MINIMUM 76 321 AM 71 1972 77 -1 79  
AVERAGE 82 82 0 84  
 
PRECIPITATION (IN)  
TODAY 0.21 4.52 1989 0.13 0.08 0.00  
MONTH TO DATE 6.60 2.27 4.33 1.79  
SINCE MAR 1 8.00 5.04 2.96 7.09  
SINCE JAN 1 11.66 14.53 -2.87 18.37  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0  
MONTH TO DATE 0  
SINCE MAR 1 0  
SINCE JUL 1 0  
 
COOLING  
TODAY 17 17 0 19  
MONTH TO DATE 387 354 33 389  
SINCE MAR 1 935 841 94 919  
SINCE JAN 1 1971 1731 240 1909    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 300 AM  
LOWEST 65 1200 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1984  
MINIMUM TEMPERATURE (F) 77 71 1965  
 
 
SUNRISE AND SUNSET  
APRIL 21 2018.........SUNRISE 605 AM CHST SUNSET 635 PM CHST  
APRIL 22 2018.........SUNRISE 604 AM CHST SUNSET 635 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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