269  
CDGM40 PGUM 101613  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
213 AM CHST THU MAR 11 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR MARCH 10 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 83 10:28 AM 89 1992 86 -3 87  
2013  
2015  
MINIMUM 75 3:55 AM 69 2018 75 0 74  
AVERAGE 79 80 -1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 0.65 1986 0.10 0.10 0.00  
MONTH TO DATE 1.13 1.12 0.01 0.36  
SINCE MAR 1 1.13 1.12 0.01 0.36  
SINCE JAN 1 6.25 10.61 -4.36 7.14  
 
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 14 15 -1 16  
MONTH TO DATE 171 150 21 172  
SINCE MAR 1 171 150 21 172  
SINCE JAN 1 1135 1040 95 1110    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 2:00 PM  
LOWEST 76 10:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 1984  
2013  
MINIMUM TEMPERATURE (F) 75 71 1978  
1992  
2003  
 
SUNRISE AND SUNSET  
MARCH 11 2021.........SUNRISE 6:31 AM CHST SUNSET 6:31 PM CHST  
MARCH 12 2021.........SUNRISE 6:30 AM CHST SUNSET 6:31 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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