TRANSACTIONS OF THE SECTIONS. 
43 
il rained 3'955 ins. in 24 hours, causing a great freshet in the rivers, which did 
much damage by carrying away several bridges. 
A little snow fell once in this month in 1851, and on an average there are live 
nights of frost, giving 3°’9 mean of frost. 
Hail fell once in this month .in 1840, 1851, and 1852. 
October.— The middle day in this month has the suu for 10 hours 48 minutes. 
The mean of greatest heat by day is 53°*882, and of greatest cold by night 88 -526 ; 
tic wlar variation 15°-356. ' 
Mean temperature for the month 4G 0, 34 ; difference in the mean lunar variation 
1 <• The hottest year was 1851. when the wind prevailed from south to west 1 j 
days ; and the coldest year was 1847, when the wind prevailed from the north to 
l| days, and south to west 12 days. _ 
Hie barometer ranges on a mean from 30-3173 ins. to 29'012l ms.—difference 
l ; 3032 in-l but the full range extends to 1-924 in. iu ten years. Mean height lor 
tic month 29-7657 ins. , . . 
Tic prevailing winds are from south to north ■, the average of ten years being 
to east 5'3, east to south 57, south to west 102, west to north 9‘8 days. 
[he mean rain for this month is 57760 ins., falling on an average on 5 8 nights 
Ul, i 97 days, or a total of 15 5 throughout the month. In 1843 it rained 10 'j 8 ms. 
011 20 days during this month. , . .. .. 
^inetinu-s as much as 3 ins. of snow fall during two or three days in this montn, 
“7 doCs not remain long on the ground. On an average there are 10-4 nights oi 
lr «J, giving 35*-3 of frost. J 
'ail fell Qnce in {bis |Unnth in 1S44 184C| , g48| 1849, 1851 and 18;»2. 
flER -~ The le »«th of the middle day is 9 hoars 26 minutes, or half an hour 
m i • ^ ,n London. The average temperature rises to 42 ‘25, and falls to • 
iff V olar wiwion of ll°-90. , - f - n 
lO^ ?L nip , erature of the month 36*27; difference in the mean lunar variation 
rhe hottest year was 1849, when the wind prevailed from west to 
tip,. anil , lhe coldest year was 1843, when the wind prevailed for 13 day 
r;ture nf rt v’ atl<l 12 dft y 3 from north to east and east to south. T lj e n 
“iflhilm !t S raonth corresponds with April, but the days arc 4 colder, and 
7* . °ii* 3 warmer. 
about 3° warmer 1 * 
i-m. b ^ ter ^gca on a mean from 30-2686 to 28-8229 
1%**J»W' mnge extends to 2-032 ins. in ten years. Mean height for the 
h- 8 08/3 ins, . *. 1 - i 
ewt whitfs are westwardly; the nvernge of ten year- 9 teing nortl 
The t0 80Uth 4 ' C) > south to west 10-3, west to north 1 *‘ 8 ' ni 
'•«.4-7456 m v falling on 
, i . LU 'o imintu is mg„ iumu& «... 
'lavs’ nl 3 ’ 8 ’ ° r u tot “l of* 10-9 throughout the month, asu* ^ , • in 
Kvj - hut it K mg 9 * " lA - " m depth. The greatest storm vis»l£ i » • aver y age 
thiTp are oo-o' • n ? t re ™>n ou the ground. It hailed once m 1850. On an averag 
. giviiS MT* of . fro *V 
iu . «jjS hts 
Snow falls generally on 
inutes. The average 
0 '-cr.Mr,p ot '‘‘Oat, giving 127"'5 or frost. 
^“I'watur. ~ rhe lon S ,h the middle day is 8 hours 40 n.inu«- . ~ f 
“> W-m. «,id full. It, 1S-M, •i.tikiiig '““Lar 
'■*'»» i,.7 for the month 21" 21 , .hflerei.ee ufoth=J ^ the 
fo "Ml ip T “ y eM I84 ‘- ,1 ,1,1 nind prevailed 13 
U V ! from west to ' *' d t3,c c °l < l e8 t y eap was 1851, when the P 
- f ‘ ^5^7mM| rf,ng( ' S otl R mcan from 30-3433 to 287499 in8 ' ^J^eafestde- 
I'^sion, 28-4io the ful1 rauge ext «»^ 8 t0 2 081 iD8 - ten for the month is 
3 .' 68 «5 in,' ° ccum ' d in tl” 8 month in 1848. Mean he.ght for me mo 
3 '7, ' n S w iuds are westwordly. The average fo r ten years is north to 
The »■ *' sout h to West 10 8, west to north 12-5. niehts 
ani1 12 '2 r!av aiU fur tllls ,,,ontl ‘ '* 4’8795 ins., falling on an average 
; S, ‘°w fa||’ or a of 17-G throughout the month. - t gtorm was 
“ '*«, ™ 13 day., averaging 2 ft. 2j in». The g«^t storm ^ 
^htb, Q 18 ,n «- fell in 12 hour*, ft generally hails once or 
m avera gc there are 28 nights of frost, giving 428 7 ° nr 
