941  
CDGM40 PGUM 161611  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
211 AM CHST MON JUL 17 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 16 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 1:06 PM 93 1969 88 -1 87  
1984  
MINIMUM 78 11:24 PM 72 1958 77 1 79  
1967  
1992  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 2.82 1958 0.41 -0.13 0.10  
MONTH TO DATE 3.75 5.44 -1.69 3.67  
SINCE JUN 1 12.75 11.95 0.80 8.55  
SINCE JAN 1 74.07 32.16 41.91 25.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 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 JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 18  
MONTH TO DATE 280 282 -2 261  
SINCE JUN 1 794 825 -31 788  
SINCE JAN 1 3215 3300 -85 3270    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 8:00 PM  
LOWEST 68 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 1984  
MINIMUM TEMPERATURE (F) 77 71 1993  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST  
JULY 18 2023..........SUNRISE 6:02 AM CHST SUNSET 6:52 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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