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CXGM50 PGUM 031239
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1039 PM CHST SAT MAY 03 2025
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 96 04/18/1971
04/01/1990
LOW 68 04/06/1965
HIGHEST 89 04/10 90 04/23
04/21
04/23
04/27
LOWEST 74 04/05 74 04/15
AVG. MAXIMUM 87.5 88.1 -0.6 87.5
AVG. MINIMUM 76.6 76.9 -0.3 77.2
MEAN 82.1
DAYS MAX >= 90 0 4.4 -4.4 1
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 15.28 1963 (TY OLIVE (10.53" 2 DAY TOTAL)
MINIMUM 0.51 1966
TOTALS 2.41 3.50 -1.09 7.17
DAILY AVG. 0.08 0.12 -0.04 0.24
DAYS >= .01 17 18.9 -1.9 19
DAYS >= .10 10 8.3 1.7 7
DAYS >= .50 0 1.3 -1.3 1
DAYS >= 1.00 0 0.5 -0.5 1
DAYS >= 3.00 0
GREATEST
24 HR. TOTAL 0.47 04/17 TO 04/17 5.57 04/24
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
COOLING TOTAL 519 525 -6 528
SINCE 1/1 1988 1948 40 1927
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 10.4
RESULTANT WIND SPEED/DIRECTION 10/090
HIGHEST WIND SPEED/DIRECTION 23/090 DATE 04/30
HIGHEST GUST SPEED/DIRECTION 34/090 DATE 04/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 4
RAIN 7 LIGHT RAIN 19
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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