XN000022-1988-04-12 — Page 23

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TUESDAY, APRIL 12, 1988

29,

ON MARCH

THE COLD FRONT PASSED HONG KONG SHORTLY AFTER MIDDAY GIVING RISE TO SOME HEAVY SHOWERS AND A DROP IN TEMPERATURE.

PRIOR TO THE ARRIVAL OF THE COLD FRONT, HEAVY FOG ON THE MORNING OF MARCH 29 RESULTED IN TEMPORARY SUSPENSION OF FERRY SERVICES BETWEEN CENTRAL AND CHEUNG CHAU AND THOSE IN TOLO HARBOUR.

OVERCAST CONDITIONS PREVAILED AFTER THE PASSAGE OF THE COLD FRONT. AS A RESULT, TEMPERATURES STAYED ON THE LOW SIDE FOR THE LAST TWO DAYS OF THE MONTH.

DURING THE MONTH OF MARCH, NO TROPICAL CYCLONE OCCURRED OVER THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA.

THIRTY-EIGHT AIRCRAFT WERE DIVERTED FROM HONG KONG DUE TO HEAVY FOG. A THUNDERSTORM WARNING WAS ISSUED ON MARCH 22.

THE YELLOW FIRE DANGER WARNING WAS IN EFFECT ON MARCH 6 AND 27 AND THE RED FIRE DANGER WARNING WAS IN EFFECT ON MARCH 9 AND 10.

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THE STRONG MONSOON SIGNAL WAS NOT HOISTED DURING THE MONTH.

THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:

TOTAL BRIGHT SUNSHINE

MEAN DAILY GLOBAL SOLAR

RADIATION

TOTAL RAINFALL

MEAN AMOUNT OF CLOUD

37.1 HOURS ; 64.3 HOURS BELOW NORMAL

6.58 MJ/SQ.M; 4.84 MJ/SQ.M BELOW NORMAL

40.6 MM;

90 PER CENT;

14.2 MM BELOW NORMAL

MEAN RELATIVE HUMIDITY

MEAN DAILY MAXIMUM AIR

TEMPERATURE

MEAN AIR TEMPERATURE

MEAN DAILY MINIMUM AIR

TEMPERATURE

MEAN DEW POINT

TOTAL EVAPORATION

84 PER CENT ;

18.9 DEGREES ; CELSIUS

16.8 DEGREES ; CELSIUS

15.2 DEGREES ; CELSIUS

14.1 DEGREES ;

CELSIUS

49.6 MM :

14 PER CENT MORE THAN NORMAL

2 PER CENT HIGHER THAN NORMAL

2.4 DEGREES CELSIUS BELOW NORMAL

1.7 DEGREES CELSIUS BELOW NORMAL

1.1 DEGREES CELSIUS BELOW NORMAL

0 .9 DEGREE CELSIUS BELOW NORMAL

46.3 MM BELOW NORMAL

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