922  
CDGM40 PGUM 101612  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
212 AM CHST SUN APR 11 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR APRIL 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 90 1:10 PM 92 2013 87 3 88  
MINIMUM 80 6:31 AM 72 1965 76 4 79  
AVERAGE 85 82 3 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.46 1963 0.10 -0.08 0.00  
MONTH TO DATE 1.08 0.94 0.14 0.82  
SINCE MAR 1 3.78 3.71 0.07 2.15  
SINCE JAN 1 8.90 13.20 -4.30 8.93  
 
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 20 17 3 19  
MONTH TO DATE 174 167 7 174  
SINCE MAR 1 692 654 38 715  
SINCE JAN 1 1656 1544 112 1653    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 9:00 PM  
LOWEST 56 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1981  
1988  
2013  
MINIMUM TEMPERATURE (F) 76 72 1953  
1987  
 
SUNRISE AND SUNSET  
APRIL 11 2021.........SUNRISE 6:11 AM CHST SUNSET 6:33 PM CHST  
APRIL 12 2021.........SUNRISE 6:10 AM CHST SUNSET 6:34 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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