520  
CDGM40 PGUM 220642  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN, GUAM  
442 PM CHST THU FEB 22 2018  
 
   
...............................
 
 
 
...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR FEBRUARY 22 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 89 138 PM 91 1946 85 4 88  
MINIMUM 77 513 AM 70 1992 75 2 77  
1969  
1949  
AVERAGE 83 80 3 83  
 
PRECIPITATION (IN)  
TODAY T 5.88 1953 0.17 -0.17 0.00  
MONTH TO DATE 2.07 3.57 -1.50 4.92  
SINCE DEC 1 7.50 14.51 -7.01 19.82  
SINCE JAN 1 3.01 8.53 -5.52 11.14  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0  
MONTH TO DATE 0  
SINCE DEC 1 0  
SINCE JUL 1 0  
 
COOLING  
TODAY 18 15 3 18  
MONTH TO DATE 382 330 52 360  
SINCE DEC 1 1498 1303 195 1434  
SINCE JAN 1 932 801 131 881    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1000 AM  
LOWEST 63 1200 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1985  
MINIMUM TEMPERATURE (F) 75 71 2003  
1998  
1987  
 
 
SUNRISE AND SUNSET  
FEBRUARY 22 2018......SUNRISE 641 AM CHST SUNSET 628 PM CHST  
FEBRUARY 23 2018......SUNRISE 640 AM CHST SUNSET 628 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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