( X ) 
ON 
THE METEOROLOGY OF ENGLAND 
DURING 
THE QUARTER ENDING SEPTEMBER 30, 18G1. 
By JAMES GLAISHEE, Esq., F.E.S., 
SEC. OF THE BRITISH METEOROLOGICAL SOCIETY. 
Till the 3rd day of Augiist tlie temperature of the air was gene- 
rally a little beluw the average ; a warm period set in on August 
4th, and continued till September 11th; from September 12th to 
September 27th the weather for the most part was cold, and warm 
from September 28th till the end of the quarter. In July the day 
of highest mean temperature reached G3°-7 only. On August 12th 
it was as high as 72°-9, being nearly 12° in excess of the average. 
On July 12th the highest temjierature reached was 7G°"9; on 
August 12th it was 89^°. On September 30 the temperature rose 
to 74°, the mean for the day being 61°-5, the only instance, as far 
back as 1814, in which the mean temperature of the last day of 
September has been as high as 60°. 
The mean high day temperature in July was 1^° below its 
average. In August it was 3°, and in September 1° above their 
respective averages of the preceding 20 years. 
The mean low night temperature in July was i° above, in 
August i° above, and in September |° below their respective 
averages. 
The mean temperature of the air was 1° below in July, nearly 
2° above in August, t° in excess in September, as compared with 
the average of the preceding 20 years. 
The mean temperature of the dew-point was i° below in July, 
was 1° above in August, and was i° below in September, their 
respective averages. 
The mean pressure of the atmosphere was nearly 2-lOths of an 
inch in defect in July, was 1-lOth in excess in August, and was 
1-1 0th in defect in September, from the average of the preceding 
20 years. 
The fall of rain in July was 2.r inches, in August little more 
than i an inch, and in September was li inch. The total fall 
during the quarter was 4^ inches, being 3i inches below the 
average of the preceding 46 years. At Kose Hill, near Oxford, on 
July 25th, there was a remarkably heavy rain, the fall being 2-9 
inches in about 8 hours. 
The temperature of vegetation, as indicated by a thermometer 
placed on grass, was below 40° on 12 nights, and above 40° on 82 
nights. 
The mean temperature of the air at Greenwich for the three 
months ending August, constituting the three summer months, was 
61°-0, being l°-0 above the average of the preceding 90 years. 
