320 s. KUSANO : transpieation of 



For the sake of comparison with certain localities in Europe, the 

 names of the following cities with their respective mean tempera- 

 tures in January are given, thus^-: — • 



Berlin 0.1°C. Modena 1.3°C. 



Munich -2.6 „ Florence 5.2 „ 



Vienna -1.2 „ Rome 6.7 ,, 



Triest 4.7 „ Milan 0.5 „ 



Hence the northern part of Italy is, in respect of tempera- 

 ture, comparable with middle Japan. 



Humidity. Japan is comparatively wet during the winter, 

 especially in the coastal regions, thus the relative humidity of the 

 latter is'' : — 



Dec. Jan. Feb. 



Southern coast 73 9^ 69^ 79^^ 



Eastern coast 73,, 77 „ 76,, 



and also the relative humidity in Tokyo"^ is : — 



December Ç>5o/q 



January 65 „ 



February 67,, 



That tlie humidity in Japan is not so slight as to be injurious 

 to plant«, as is the case during the dry season in tropical regions 

 can also be ascertained by the following value of the rainfall 

 and the number of rainy days in ïokyo^': — 



Dec. Jan. Feb. 



Rainfall 47.3 mm, 51.5 mm. 77.8 mm. 



Rainy days 6.2 6.7 9.2 



and in Tokyo, the amount of rain tliroughout the year is 1463 

 mm. 



l)IIann, Handbuch der Klimatologie. Bd. Ill, 1S97. 



2) Ko i de, Climatology ofjajian (in Japanese) 189S, p. 295. 



3) Calendar for 1899 I.e. 



4) 1. c. 



