4
Monday, January 14, 1974
The abnormally warm weather of February continued during March.
The main temperature as well as the mean maximum and minimum temperatures
for the month were all second highest on record for March, while the
maximum temperature of 30.1 degrees celsius, recorded on the last day of
the month, was the highest ever recorded in any March. The month was dry
with a total rainfall of only 13.3 mm. The Strong Monsoon Signal was
hoisted twice as a result of the arrival of two monsoon surges. For the
first half of the month, Hong Kong was under the influence of a warmı
and moist airstream from the South China Sea and the weather was mainly
cloudy and humid with light rain patches and coastal fog. However, drier
air from the north affected Hong Kong during the remainder of the month
and Fire Danger Warnings were issued on two occasions during this period.
April was also warn and dry. The mean temperature of 24 degroes
celsius was the highest on record for the month and was equalled only
once before in April 1964. The Strong Monsoon Signal was hoisted on three
occasions, twice to warn of strong northeast winds and once to warn of
strong southwestorlies.
Thunderstorms were reported on several days
and a hailstorm occurred over the northwestern part of the New Territories
on April 7. Warm and humid air from the southeast caused mist and fog
patches over Hong Kong for eight days and resulted in the diversion of
23 aircraft.
May was wetter and hotter than usual with rainfall more than
75 por cent above average. During the month there were only two days on
which no rainfall was recorded at the Royal Observatory. Cold fronts
from the north and troughs over the South China Sea brought heavy rain
and widespread thunderstorms and Thunderstorm and/or Heavy Rain Warnings
were issued on ten days.
/In June,
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