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11
METEOROLOGICAL CONDITIONS, 1933.
The following is a brief summary of the local meteorological
conditions month by month:—
January.—The year opened with mild, dull and foggy conditions,
and the month was colder than the average with sunshine
slightly deficient. Fogs were recorded at 9 a.m. on 12 days.
February.—The weather was very variable, being mild at
first with rain and strong S.W. winds; later cold Northerly winds
were experienced and snow fell on the 24th.
March.—This month was unusually sunny and very mild, the
diurnal range of temperature was sometimes very great and actually
exceeded 40° Fah. Rainfall was 17 mm. above normal.
April.—Dry and warm weather was enjoyed for the most part,
except for a spell of cold N.E. winds from the 17th to the 22nd.
Sunshine was however slightly below the average.
May.—Thundery conditions were prevalent. The days were
dull and warm with mild nights, and the rainfall was above the
normal. The deficiency of bright sunshine was 2.19 hours below
normal.
June.—The month was distinguished by the abnormal incidence
and severity of thunderstorms—several deaths occurring from light
ning. The weather was, however, mostly dry and sunshine records
were above normal.
July.—The weather was notably warm and sunny with a
deficiency of rain.
August.—This was unusually warm and sunny as well as
notably dry and the warmest August at Greenwich since 1841
(apart from August, 1911). The driest August since 1818.
September.—The weather was unusually warm and sunny.
Thunder with heavy rain on the 19th. The wettest month in
London during an abnormally dry year.
October.—This was the ninth successive month with a mean
temperature well above normal at Greenwich. Rainfall was deficient
and sunshine somewhat below the normal.
November.—Cloudy, cold and sunless weather prevailed with
a marked deficiency of rainfall.
December.—The weather was exceptionally dry and abnormally
cold, being the coldest December at Greenwich since 1890.
Fogs were prevalent during the month.