COUNCIL FOR 1860 . 
13 
peratiire of York, in three groups of years, from which we may 
infer the stability of mean temperature when spread over even 
a short period. 
Mean temp, of five years ending December, 1860 
ten 
twenty 
}> 
3 ) 
33 
33 
33 
33 
33 
46*90 
46*72 
47*10 
Mean of the three terms 
46*90 
The Rain-fall of the year was 30*37 inches, being 6fo inches 
above a mean of the last twenty years. April and October 
only were below a mean. The Rain-fall was 9 inches more 
than that of 1859. 
Mean Rain-fall for twenty years ending 31st 
December, 1860 . 
33 
33 
ten 
five 
33 
33 
33 
33 
23*76 inches. 
23*26 „ 
24*97 „ 
Mean of the three terms 
23*99 inches. 
Aurora was seen on April 9th. Thunder and lightning 
occurred in May; and on the 27th of that month a terrific 
storm of wind, with rain, snow, and hail, swept over Yorkshire, 
and was more or less felt throughout England. Thunder and 
lightning were frequent in June and July; only two occurrences 
are noted in August. The mean height of the Barometer for 
the year was 29*74 inches, with 30 inches of rain; that of 1859 
was 29*79, with 21 inches of rain. 
