PAGE 
Citinuous Record of Maximum and Minimum Temperatures at Chiswick 
since 1826 . 35 
V'iation in the Amount of the Diurnal Range of Temperature at different 
Seasons.36 
Jnarkable Instances of Large and Small Ranges in different Years . . 36 
Tbular Statement of the Amount of Variation of the Mean Monthly 
Diurnal Range of Temperature.37 
inual Law of Daily Range of Temperature . . . . .37 
\ iation of the Mean Daily Range of Temperature in each Month . . 37 
ible XL1I. Greatest and Least Ranges of Temperature in every Month 
during the Years 1826-1869 . 38, 39 
Lie XLIII. Mean Range of Temperature of every Month during the 
Years 1826-1869 . 40, 41 
Ible XLIV. Mean Range of Temperature of every Day in the Year 42, 43 
THE FALL OF RAIN. 
Lcription of the Rain-gauge . . . . . . . 47, 48 
Ciduation of the Measuring Glass ........ 48 
list Step in the Investigation ......... 48 
Tbles I. to XII., containing Daily Falls of Rain in each Month during the 
Years 1826-1869. 
Mods of long-continued Absence of Rain ...... 49 
1 umeration of the longest Intervals without Rain . . . . .49 
litances of long-continued Rain ........ 50 
Stances of a Rain-fall of an Inch in a Day in the forty-four Years . 50, 51 
(eatest and Least Monthly Falls for each Month, January-December, 
during the period.51 
'ble XIII. Monthly Fall of Rain in forty-four Years (1826-1869 
inclusive) ..52, 53 
' ble XIV. Sums of every Fall of Rain in every Day of the Year in 
forty-four Years (1826-1869 inclusive).* 54, 55 
( !>mparison of the Monthly Averages of the Rain-fall at Chiswick and 
Greenwich... . .56 
( i»mparison of the Yearly Rain-falls at Chiswick with those at Greenwich 
in the Years 1826-1869 . . .. 56, 57 
jiriation in the Daily Sums of the Rain-fall in each Month as shown in 
Table XIV.*. ..58 
leaviest and Lightest Falls of Rain as referred to Months and Days. . 58 
