428 Remarkable Weather. 



From 1785 to 1807, Mr. William Bent kept a register in 

 London, during which time the thermometer never reached 

 80" in May, except in 1807. 



Dr. Dalton's observations at Kendal only give once a tem- 

 perature of 80° in May, which occurred in 1788. 



My late lamented friend, Mr. Luke Howard, in his series of 

 observations from 1797 to 1832, made at Plaistow and Totten- 

 ham, near London, gives the following : — 



1806, May 29 81 



1807, „ 25 85 



1809, „ 18 80 



1811, „ 26 84 



1815, „ 26 80 



1822, „ 20 and 21 81 



1825, •„ 23 80 



1829, „ 23 81 



' 1830, „ 7 81 



In Mr. Glaisher's valuable tables of the mean temperature 

 of every day in the year, based on forty-three years' observa- 

 tions, we have — 



May 1 to 3, mean 50°'0 to 50-9 

 „ 4 „ 14, „ 51-3 „ 51-8 

 „ 15 „ 17, „ 52-2 „ 52-8 

 „ 18 „ 21, „ 53-1 „ 53-8 

 „ 22 „ 27, „ 54-1 „ 54-9 

 „ 28 „ 31, „ 55-2 „ 56-1 

 June 1 „ 3, „ 56*4 „ 56*8 

 The mean temperature of the coldest day in May was 36 0, 2 

 on the 3rd, in 1832 ; the mean temperature of tho hottest day 

 in May was 72"'6 on the 15th in 1833, giving a range of 36 0, 2 

 in mean temperature. 



The mean temperature of the coldest day in Juno was 45 0- 

 on the 7th in 1814; the mean temperature of tho hottest day 

 in Juno was 76°*1 on tho 13th in 1818, giving a range of 31°*l 

 in mean temperature. 



In Im'iI ;,i llighfluld House the moan temperature ex- 

 ceeded tli* 1 average on every day up to tho 22nd, except on the 

 1 l.li and 9th, on the warmest days being : — 



May 14 61-6 



„ 15 08-8 



„ 16 09-2 



„ 17 65*1 



„ 18 72-9 



„ 19 71-2 



„ 20 07-2 



