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Wednesday, January 2, 1974
During the last 11 days of December, the fire warning signal
oontinued to be red. The mean relative humidity for those days was
32 per cent, while during the same period in 1972, the average reocrding
was as high as 82 per cent.
The humidity reading of 14 per cent at 1 p.m. on December 31 was
a record low for December, equalled only by a December reading in 1898.
The lowest humidity reading ever recorded by the Royal Observatory
was 10 per cent, recorded on January 16, 1959.
No rain was recorded last month, though we can usually expect
five days of rain in December.
Last month was also the sunniest December in 35 years, with a
total of 268.4 hours of sunlight. It also was the December with the
clearest sky since 1898, with an average cloud amount of 23 per cent,
against the normal of 55 per cent for the month.
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