760  
CDGM40 PGUM 302215 CCA  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
220 AM CHST MON JUL 31 2023  
   
...............................
 
 
   
..THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR JULY 30 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 10:14 AM 92 1984 87 0 86  
2013  
MINIMUM 76 4:28 AM 71 1956 76 0 76  
1964  
AVERAGE 82 82 0 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 10.44 2014 0.48 -0.36 0.30  
MONTH TO DATE 8.69 11.78 -3.09 13.49  
SINCE JUN 1 17.69 18.29 -0.60 18.37  
SINCE JAN 1 79.01 38.50 40.51 34.86  
 
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 16  
MONTH TO DATE 514 520 -6 486  
SINCE JUN 1 1028 1063 -35 1013  
SINCE JAN 1 3449 3538 -89 3495    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 10:00 PM  
LOWEST 70 12:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1994  
2013  
2020  
MINIMUM TEMPERATURE (F) 76 73 1956  
1967  
1969  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 6:05 AM CHST SUNSET 6:49 PM CHST  
AUGUST 1 2023........SUNRISE 6:06 AM CHST SUNSET 6:49 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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