13
MONDAY, APRIL 13, 1992
SOME SUNNY PERIODS APPEARED ON MARCH 30 AND WINDS TURNED EASTERLY BEFORE VEERING FURTHER TO SOUTHEASTERLY THE NEXT DAY.
THE INFLUX OF MOISTURE LED TO A HIGHLY SATURATED ATMOSPHERE. APART FROM THE HANGING MIST AND THICK DRIZZLE, SOME THUNDERSTORMS ALSO OCCURRED IN THE AFTERNOON.
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THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA WERE FREE FROM TROPICAL CYCLONES IN MARCH.
THIRTEEN AIRCRAFT WERE DIVERTED DUE TO ADVERSE WEATHER.
THUNDERSTORM WARNINGS WERE IN EFFECT ON MARCH 4, 26-29 AND FLOOD WARNINGS WERE ISSUED ON MARCH 3 AND 26.
THE YELLOW FIRE DANGER WARNING WAS IN EFFECT ON MARCH GAS HEATER ALERT WAS IN EFFECT ON MARCH 5-9.
SIGNALS HOISTED DURING THE MONTH ARE AS FOLLOWS:
31.
8.
THE
WEATHER SYSTEM
SIGNAL
DATE AND TIME OF HOISTING
DATE AND TIME OF LOWERING
WINTER MONSOON STRONG MONSOON
MAR 5
WINTER MONSOON
STRONG MONSOON
MAR 17
WINTER MONSOON
STRONG MONSOON
MAR 21
8.45 AM
10.05 PM
11.15 PM
MAR 5
10.45 PM
MAR 18
4.45 AM
MAR 22
11.30 AM
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL ARE:
TOTAL BRIGHT SUNSHINE
37.6 HOURS; 58.8 HOURS BELOW NORMAL
MEAN DAILY GLOBAL SOLAR
RADIATION.
6.94 MJ/SQ.M.; 4.30 MJ/SQ.M. BELOW
TOTAL RAINFALL
MEAN AMOUNT OF CLOUD
MEAN RELATIVE HUMIDITY
MEAN DAILY MAXIMUM
AIR TEMPERATURE
MEAN AIR TEMPERATURE
MEAN DAILY MINIMUM
AIR TEMPERATURE
MEAN DEW POINT
TOTAL EVAPORATION
NORMAL
242.4 MM; 175.5 MM ABOVE NORMAL
92 % 16 % MORE THAN NORMAL
90 % 9 % HIGHER THAN NORMAL
1.2 DEGREES CELSIUS BELOW NORMAL
20.1 DEGREES CELSIUS ;
18.0 DEGREES CELSIUS; 0.5 DEGREE CELSIUS
BELOW NORMAL
16.2 DEGREES CELSIUS; 0.3 DEGREE CELSIUS
BELOW NORMAL
16.2 DEGREES CELSIUS; 1.2 DEGREES CELSIUS
ABOVE NORMAL
39.8 MM ; 52.4 MM BELOW NORMAL
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