247 
Comparison of Monthly Mean Temperature of 1863, with Monthly Mean 
of the seven years previous, at Wylam, 

| Mean 













Mean 
Date.| of 7 of 
| years. | 1863. 
Jan...| 36°82 | 41°86 
Feb...) 38°09 | 42°30 
Mar..| 41°48 | 45°03 
‘i 44-40 | 48°18 a 8 
May..| 51°38 | 50°45 © 8 
June.! 57°70 | 56°54 <S ss K 
Ba 58-98 | 57-72 nN : 
Aug..| 59:90 | 58:09 & 8 
Sept..| 54°11 | 52°60 8 S 
Oct..| 48:99 | 48:38 Si; 
Nov,.| 40°86 | 44°43 a 
Dec... 37°90 | 42°08 
ae AT-55 | Oy ae ee 
Comparison of Winter and Summer Months. 
Seven] ae, 
De 5 aoa Sasi a ( Temperature of Six Winter Months 
December ..........| 37°90 | 42°08 - itiges sees, en 
JANUAEY -e-- 042000 BOOS PALBG A Temperature of the same months of 
February «---+.-...| 38°09 | 42°30 | the Seven preceding years .. ee += 89°98 
IMIR E EG cial gine 2'='s] ofa 41°48 | 45°03 E 
oe 44-40 | 4g-1g | 2 ( 1863 above Mean Temperature.. 4°05 
Lae ae — 
DMCA Tan cccsssies -.-| 39°93 | 43°98 
pe eh wee cals il cla 3 Temperature of Six Summer Months 
JUNE sas Jacses eoeee| 57°70 | 56°54 E iibashie: Uh bs i a) page 
sic laid eres ge ah al 5 Temperature of the same months of 
AUZUSE. ccecsesecesce| 09°90 | 58°09 : the Bove pamclidigpaiits fe 5518 
September.......s.. 54°11 | 52°60 | m amt 
Cakoher.s. dens. « .e| 48°99 | 48°38 a 1863 below Mean Temperature .. 1°22 
Mean .ccceccccescse| O08 | 53°96 













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