239  
CDGM40 PGUM 181600  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
200 AM CHST FRI MAR 19 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 18 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1945 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 1:37 PM 91 1984 86 0 90  
MINIMUM 78 5:01 AM 71 1992 76 2 78  
1998  
2007  
AVERAGE 82 81 1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.75 1967 0.08 -0.04 0.00  
MONTH TO DATE 2.20 1.82 0.38 0.46  
SINCE MAR 1 2.20 1.82 0.38 0.46  
SINCE JAN 1 7.32 11.31 -3.99 7.24  
 
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 17 16 1 19  
MONTH TO DATE 295 277 18 309  
SINCE MAR 1 295 277 18 309  
SINCE JAN 1 1259 1167 92 1247    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 6:00 AM  
LOWEST 61 12:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1984  
MINIMUM TEMPERATURE (F) 76 67 1998  
 
SUNRISE AND SUNSET  
MARCH 19 2021.........SUNRISE 6:26 AM CHST SUNSET 6:32 PM CHST  
MARCH 20 2021.........SUNRISE 6:25 AM CHST SUNSET 6:32 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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