322 



Exotic Conifers in Britain. 



its possible sunshine (1,200-1,600 hours), whereas Austria gets 

 40 to 50 per cent. (1,800-2,000 hours). 



Table I. 



Mean, Greatest, and Least Number of Days per Annum on which 

 Temperature Fell Below Certain Limits, and January Temperature 



During the Five Years 1893-7. 





Below- 23 de?. F. 

 Number ot Days. 



Below 14 dee. F. 

 Number of Days. 



Belo'v 5 deg.F. 

 Numberof Days 



Mean January Temp. 

 Degrees Fahrenheit. 





Mean. 



Extremes. 



Mean. 



Extremes. 



Mean. 



Extrms. 



Mean. 



Extremes. 



London (Kew) 



6-6 



I 5 & 



1 



ro 



3& 0 



N 



one. 



33"0 



29 '5 & 36' 5 



Cheltenham ... 



12-8 



34 & 



4 



2-6 



9 & 0 



N 



one. 



31-0 



35 -o& 25*0 



Cambridge 



13-2 



25 & 



7 



2-6 



8& 0 



N 



one. 



29'5 



34-o&27'o 



Plymouth 



2-4 



6& 



0 



N 



one. 



N 



one. 



35"o 



3 6-5& 3 i-5 



Southampton... 



6-6 



20 & 



0 



One 



Occasion 



N 



one. 



33 *o 



37 -o& 29-5 



Wiesbaden 



25*0 



46 & 



14 



7-6 



20 & 0 



2-6 



7& 0 



25/5 



31 -o& 18*0 



Bed n 



28-8 



40 & 



21 



9-0 



20 & 0 



i-8 



6& 0 



22 -o 



27-5&I2-5 



Munich 



45'2 



63 & 



34 



iS-4 



35 & 2 



7-6 



19 & 0 



iS-o 



24 -o& 9 - 5 



Mem el 



45'6 



67 & 



20 



23-6 



40 &10 



9-6 



24 & 2 



I7-5 



24 0 & 2'0 



Vienna 



33'2 



50 & 



12 



10-4 



21 & 1 



2*2 



5 & 0 



20*5 



28'5& 13*0 



Novgorod 



134-0 



147 & 



129 



92-0 



118 &7 1 



53 - o 



68&3S 



i'5 



7'5& 8.0*, 



* Below zero. 



Table II. 





Mean 



Temperatures. 



January, 1895. 



February, 1895. 



Lowest 

 Temperature 

 recorded 

 1871-1900. 



Year. 



Jan. 



July. 



Mean 

 Min. 



Absol'te 

 Min. 



Mean 

 Min. 



Absol'te 

 Min. 





F. 



F. 



F. 



F. 



. F. 



F. 



F. 



F. 



London (Kew) 



















1871-1900 ... 



49'5 



38-5 



62'0 



29'5 



21 'O 



24*0 



II "O 



9-0 



Cheltenham 



















1881-1900 ... 



48-5 



37'5 



61 *o 



25'0 



I50 



20*5 



6-5 



3-0* 



Cambridge 















1871-1900 ... 



49 -o 



37-0 



62-0 



27-0 



I 5 '0 



20-5 



6-o 



Zero. 



Plymouth 







6l "O 













1871-1900 ... 



5i-o 



42 - o 



31-5 



22'0 



28-5 



19*0 



17*0 



Southampton 







62"0 











1871-1900 ... 



50-0 



40-0 



: 29-5 



I90 



24*0 



14-0 



13-0 



Berlin 

















1851-1890 ... 



48-5 



32-0 



66 -o 



j 23-0 



4'5 



20*5 



6-o 





Munich 

















1851-1880 ... 



45"° 



27-5 



63-0 



18-0 



I'O* 



i6- 5 



4-0* 





Memel 



45 'o 



26-0 



63-0 



22*5 



1 '5 



14-5 



4'5* 





•Novgorod 



3^5 



1 ro 



67-5 



[ 7;o 



13-0* 



3*o 



i.T5* 





Vienna 

















1851-1880 ... 



49*5 



30-0 



6S'5 



23-0 



i3-5 



i8- 5 



4'5 





* Below zero. 



In January seven-tenths of the sky in Great Britain is 

 obscured by cloud, whereas in Austria sixth-tenths only is 

 covered by cloud. In July the sky is clouded to the extent of 



