382  
CDGM40 PGUM 251604  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
204 AM CHST TUE JAN 26 2021  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JANUARY 25 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 3:53 PM 89 1973 85 1 86  
MINIMUM 73 1:17 AM 70 1956 75 -2 76  
1973  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
YESTERDAY T 4.33 1976 0.14 -0.14 T  
MONTH TO DATE 3.84 4.16 -0.32 1.91  
SINCE DEC 1 11.86 10.14 1.72 3.37  
SINCE JAN 1 3.84 4.16 -0.32 1.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 15 0 16  
MONTH TO DATE 410 378 32 393  
SINCE DEC 1 929 880 49 915  
SINCE JAN 1 410 378 32 393    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 6:00 AM  
LOWEST 59 12:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1971  
1972  
1989  
MINIMUM TEMPERATURE (F) 75 72 1973  
1983  
2005  
 
SUNRISE AND SUNSET  
JANUARY 26 2021.......SUNRISE 6:48 AM CHST SUNSET 6:18 PM CHST  
JANUARY 27 2021.......SUNRISE 6:48 AM CHST SUNSET 6:19 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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