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REVIEW OF LAST MONTH'S WEATHER

Saturday, June 23, 1973

May 1973 was wetter and hotter than usual. During the month there

were only two days on which no rainfall was recorded at the Royal Observatory.

The month's total rainfall of 516.6 mm is more than 75 per cent above

the normal. The mean temperature of 26.8 degree celsius is the 5th highest

on record for May.

The month began with mainly fine weather apart from a few showers,

A cold front arrived from the north on-May.3, bringing scattered showers and

isolated thunderstorms to the Colony.

The weather was cloudy and cooler with occasional rain during the

next two days. On May 6, a trough of low pressure passed through Hong Kong

from the south, resulting in periods of heavy rain and widespread thunderstorm

There were occasional showers on May 7 and 8. Another cold front

passed through Hong Kong from the north on May 9, causing scattered thunderstor

and periods of heavy rain. The weather remained unsettled on May 10 and

became cooler on May 11 when the minimum temperature of the month, 21.6 degree

celsius, was recorded.

On May 12, a trough of low pressure moved northwards over the South

China Sea and widespread thunderstorms and heavy rain were again experienced

in the Colony on May 13.

From May 14 to 26, several troughs formed over central and southerr

China but did not move southwards to affect Hong Kong.

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/On May 27,

--л-г

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