186 Mr. J. Glaisher's Remarks on the Weather 



largest fall since 1830, as observed by William Fancourt, 

 Esq. 



At Derby was 'tO'O? inches, exceeding the average from 

 the preceding four years by more than 10 inches, and by 12 

 inches the average from twenty years, as observed by John 

 Davis, Esq. 



At Leeds was 37*86 inches, it having fallen on 244 days. 

 In the year 1846 it fell on 218 days, and in 1847 it fell on 

 174 days ; and the amount was 28*442 inches, as observed by 

 Charles Charnock, Esq. 



At Hereford was 46*41 inches ; the average fall from a long 

 series of years is rather more than 30 inches, as observed by 

 James Pendergrass, Esq. 



The fall of rain during the year 1848 all over the country 

 was about one-third larger than the average fall, and this ex- 

 cess fell during the first three quarters. The fall in the last 

 quarter was about its average value at most places. 



The temperature of the isoater of the Thames was 47°'5 by 

 day, and 45°'7 by night. The water, on an average, was of 

 the same temperature as that of the air. During the quarter 

 the temperature of the water has changed more than usual ; 

 the decrease of temperature from November 4 was rapid. 



The direction of the wind at Greenwich — 



From October 1 to 11 was chiefly S.W. ; between October 

 11 and 20 was chiefly N. ; and from October 20 to 31 was 

 mostly S.; 



From November 1 to 7 was variable, but was chiefly S.W. 

 and N.W. ; from the 7th to 15th was N.; from the 16th to 

 the 21st was S.W.;' from the 21st to the 23rd was S.E. ; and 

 was chiefly S.W. to the end of the month; 



From December 1 to 9 was S.W. ; from the 9th to the 15th 

 was mostly S. by E., and was then N. and N.E. to the end of 

 the month. 



Jlie daily horizontal movement of the air — 



From October 1 to 11 was about 160 miles; the greatest 

 value during the period was 300 miles, and the least was 80 

 miles; from October 11 to the 20th was 130 miles ; the great- 

 est was 270 miles, and the least was 30 miles; and from October 

 20 to the end of the month was 150 miles; the greatest being 

 240 miles, and the least 40 miles. The average for the month 

 was 150 miles daily; 



From November 1 to 7 was 150 miles, the greatest and least 

 being 245 miles and 10 miles; from November 7 to 15 was 

 110, the extremes being 200 miles and 80 miles; from the 

 16th to the 2 1 St was 250 miles, the extremes being 495 miles 

 and 185 miles; from the 21st to the 23rd was 190 miles; and 



