345  
CXGM50 PGUM 030633  
CLMGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
433 PM CHST WED JUL 03 2024  
   
...............................  
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 95 06/30/1969  
LOW 70 06/22/1966  
06/14/1958  
06/12/1949  
HIGHEST 90 06/10 89 06/14  
LOWEST 73 74 06/03  
AVG. MAXIMUM 87.2 88.5 -1.3 86.4  
AVG. MINIMUM 77.6 77.7 -0.1 77.4  
MEAN 82.4  
DAYS MAX >= 90 1 9.3 -8.3 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 38.03 2004 (18.48" DURING TY TINGTING)  
MINIMUM 0.83 1983  
TOTALS 8.00 6.51 1.49 9.00  
DAILY AVG. 0.27 0.22 0.05 0.30  
DAYS >= .01 28 23.2 4.8 26  
DAYS >= .10 17 14.0 3.0 17  
DAYS >= .50 5 4.0 1.0 3  
DAYS >= 1.00 3 1.2 1.8 1  
DAYS >= 3.00 0 1  
GREATEST  
24 HR. TOTAL 1.38 06/12 TO 06/12 3.89 06/03  
 
SNOWFALL (INCHES)  
TOTALS 0.0  
SINCE 7/1 0.0  
GREATEST  
SNOW DEPTH 0.0  
 
DEGREE DAYS  
COOLING TOTAL 531 543 -13 514  
SINCE 1/1 3012 3018 -6 2935  
 
FREEZE DATES   
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 9.8  
RESULTANT WIND SPEED/DIRECTION 9/090  
HIGHEST WIND SPEED/DIRECTION 25/090 DATE 06/14  
25/090 06/25  
HIGHEST GUST SPEED/DIRECTION 36/090 DATE 06/21  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.36  
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 13  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 79  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 HEAVY RAIN 8  
RAIN 16 LIGHT RAIN 28  
FOG 0 HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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