The evening telegraph. [volume] (Philadelphia [Pa.]) 1864-1918, 1870-12-31


Following upon December, 1869, which had
mean temperature 4'S2 degrees below the
average for the month since 1890, January
opened the year now drawing to close with
mean temperature of 4107, or 9'72 degrees
above the average of feighty-one years. Although
falling about three degrees below the highest
mean for the month on record, the mean tenn
perature of January, 1870, exceeded by several
degrees the highest recorded in this vicinity in
quarter of century. The nearest approach to it
was amean of 975 degrees in 1858. The tempera-
ture of February, with o mean OF 34'93 degrees,
was unusually mild, although not extraordina-
rily So being exceeded in 1869 by 2'75 degrees,
and in 1857 by 7'10 degrees, February of the
latter year being the mildest on record. Taking
the three winter months together, the mean
temperature exceeded the average OF 81 years
by $50 degrees but still fell more than half a
degree below the highest on record, that OF 1928
and 1851
The mid-winter heated term" terminated on
the Goth of February, and the mean temperature
of March fell 20 degrees below the average for
eighty-One years. April witnessed a return to
unusual warmth, the mean temperature being
$3.50 degrees, or 2'23 degrees above the average.
On the 18th, the thermometer at the Pennsyl
vania Hospital stood at S4'5 degrees. May
maintained the unusual warmth of the season,
with mean temperature of 65'23 degrees, or
2'58 degrees above the average. The three
spring months taken together showed a mean
temperature of 1920 degrees, or 12S degrees
above the average of eighty-one years.
In June swelterng summer was inaugu-
rated with mean temperature of 7735 de-
grees, 500 degrees above the average for the
month, and more than third of degree in
excess of any mean temperature for June on
record. The highest point attained, 93'5 de-
grees, on the 2Sth, had frequently been exceeded
before; but the general high range of the ther-
mometer during the month rendered its mean
temperature higher than any on previous record.
July showed mean OF SO63 de-
grees, 4'94 degrees above the average, and
within about third of degree of the highest
means on record, those of 179S and 1868. The
excessively hot spell of July 1870, lasted l8
days-one day longer than that OF July, 1865
rendering it altogether the most oppressive
month on record, although the mean and maxi
mum points had been slightly exceeded in the
past. The mean temperature of August was
1877 degrees, or 56l degrees above the average,
and within two o-thirds of degree of the highest
on record, that of 1863 The three summer
months together had mean temperature of
rs 92 degrees, 5 36 degrees above the average
and the highest on record. On thirty-three
days during the three months the thermometer
at the Pennsylvania Hospital rose above 30 de-
grees, while in some sections of the city less
sheltered 1t went up to and above 100 degrees. :,
September opened moderately, but unusual
warmth soon manifested and the mean
reached 70'5 degrees, 4'24 degrees above the
average. October followed with mean of
60'l3 degrees, $40 degrees above the average
and November, with mean of 1927 degrees, or
2'S6 degrees above the average, rendered the
autumn of 1870 the hottest on record. The
mean temperature of the three months was
5S ~ degrees, 4'1S degrees above the average.
and more than third of degree above that of
the autumn of 1906 the warmest previously
recorded.
The mean temperature of December has been
1867 degrees IA degrees above the average
of the mean temperatures of December for
eighty y-One years. The average maximum tenn
perature of the month was 1911 degrees, the
average minimum 3l'63 degrees the highest
point attained, 55 degrees on the 9th and 18th;
the lowest point, IL degrees, on the Gath. On
the 10th, the thermometer at the PennsylYania
Hospital first sunk below the freezing point
and on six days only thereafter did it fail tC
touch it. Extreme cold weather has been noted
in many portions of the country, especially il
the West, where the mercury has frequently
been reported below zero during the last two
weeks.
The average of the mean temperature of tht
year just closing is 56S3 degrees. The average
of the means since 1926 is 53 81 degrees, tbs
warmest previously known during that perio
being 1928, with an average of 55 % degrees: an
the coldest, 1926 with an average of 80 degrees
RAIN