Climatological Report (Monthly)
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
489
CXGM50 PGUM 010152
CLMGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1152 AM CHST TUE APR 01 2025
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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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 93 03/29/1964
LOW 66 03/14/1965
HIGHEST 88 03/10 89 03/22
03/27
03/28
LOWEST 74 03/05 70 03/21
03/08
AVG. MAXIMUM 86.1 86.9 -0.8 86.5
AVG. MINIMUM 76.3 75.6 0.7 74.5
MEAN 81.2
DAYS MAX >= 90 0 1.2 -1.2 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 9.27 1974
MINIMUM 0.40 1978
TOTALS 3.08 2.77 0.31 1.62
DAILY AVG. 0.10 0.09 0.01 0.05
DAYS >= .01 19 18.3 0.7 20
DAYS >= .10 6 7.6 -1.6 6
DAYS >= .50 2 1.3 0.7 0
DAYS >= 1.00 1 0.2 0.8 0
DAYS >= 3.00 0
GREATEST
24 HR. TOTAL 1.15 03/01 TO 03/02 0.28 03/05
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
GREATEST
SNOW DEPTH 0
DEGREE DAYS
COOLING TOTAL 509 504 5 490
SINCE 1/1 1469 1423 46 1399
FREEZE DATES
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WIND (MPH)
AVERAGE WIND SPEED 12.0
RESULTANT WIND SPEED/DIRECTION 12/080
HIGHEST WIND SPEED/DIRECTION 30/050 DATE 03/01
HIGHEST GUST SPEED/DIRECTION 39/040 DATE 03/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 6
RAIN 5 LIGHT RAIN 23
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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