MEAN DAILY TEMPERATURE 
205 
end, the 31st showinj^ a mean of 
40'5° — the highest of the month, 
and nearly the same as that of 
March 1 1 ! Range during the 
month, 3‘5°. Mean of the month, 
38-37°. 
February. 
The temperature of the ist is 
3Q7° ; and there is no great change 
till the 5th and 6th, when 40-2° and 
40’5“ occur. The mean keeps con- 
stantly below 40'0° until the 14th, 
when 40' 1° is reached, the total fall 
being as much as 27°. The next 
four days are still milder,; but rela- 
tive cold sets in on the 19th (39'9°) 
and continues for three days. 
During three of the next four, the 
mean is well over 400° ; on the 
26th (the warmest day) it is 4f2°, 
followed by a sharp fall of o"9“ the 
next day. The 28th has a tem- 
perature of 407^ The coldest day 
is the nth (378°). Range, 3'4°. 
Mean, 39‘8o'’. 
The 1st is very slightly colder 
than its predecessor. Ihe tem- 
perature remains steady at about 
39'8° untd the 7th, when a fall sets 
in, and on the 1 ith the mean is 12° 
lower. This is the coldest day of 
the month. From now to the end 
the rise is fairly continuous, though 
interrupted from the i8th to the 
22nd by a total descent of o'2 5®. 
The warmest day is the last (407“). 
Range, 2-1'’. 
March. 
Opens with 40'2° ; but the tem- 
perature rises the next day by one 
degree. The values now vary from 
4fo® to 42‘i° till the 8th (42‘o°). 
On the 9th, loth, and nth a colder 
period is shown, 40’6° being again 
reached. From the 14th to the 
20th the temperature oscillates be- 
tween 41-7° and 42'8°. On the 
2 1 St and 22nd a colder period is 
again shown, with a mean of 4i'4° ; 
but against the 23rd 427° is re- 
corded. There is now an almost 
unbroken rise till the 31st (45‘8°). 
The first and last days are respec- 
tively the coldest and the warmest. 
Range, 5 '6°. Mean, 42 •36°. 
Opens with 407°, after which 
there is a steady rise to 4r6° on 
the 6th and 7th. 41-7° is reached 
on the 14th, but the intermediate 
days are colder, showing a total 
fall of o'4°. The temperature re- 
mains at about 42'o“ and a little 
over from the 15th to the 22nd, 
after which a rise takes place and 
continues without a break until the 
end. The coldest day is the ist ; 
the warmest is the last (45'8°). 
Range, 5'i°. 
April. 
The temperature of the ist is 
46-0°. There is an almost con- 
tinuous rise till the 7th (477°). 
“ Blackthorn Winter ” appears to 
be shown by the values of the 9th, 
loth, and iith, and pariially so by 
those of the 12th, 13th, and 14th. 
During these six days the mean 
falls as low as 45'6° on the iith 
The mean of the ist is 46' 1“ (the 
lowest value). On the 5th and 6th 
47’2° is recorded. A fall happens 
on the 7th ; and 47‘o° is not reached 
between the 8th and the 13th (in- 
clusive). The values of the loth 
and nth are 46’4°, and are not 
much higher than that of the open- 
ing day. After the 13th, a rise. 
