( 15 ) 



mum precipitation is in winter, and gradually increases towards 

 the summer, reaching its maximum in June. The range 

 amounts to over 139^ of the total annual precipitation. 



2. The long Pacific Belt from the south-east part of 

 Kiu'shu to Mito (36 degrees and 30 minutes ISf. L.), the north 

 limit of Tokaido, including the Inlsind Sea Region, Island of 

 Shikoku and Tokaido. In this Section the rainfall reaches its 

 minimum between Decefiiber and February and increases 

 gradually until June. These features are thfe same as in 

 section i; but afterwards in AUgust the rainfall quickly 

 diminishes and again increases in September. The difference 

 between the two extremes amounts to 119^ of the total precipi- 

 tation of the year. 



3. East Coast of Hondo (Main Island). The variations 

 are almost equal to section 2 but the amount qf precipjtatiort 

 in September is far greater than in Juile. Beside^ second mini- 

 mum occurs in July instead of August. 



4. The Central Part of Hondo. The changes are similar 

 to those of the first section, except that the maximum occurs 

 in July and not in June. 



5. Hokkaido, the west coast excepted. The minimum 

 of precipitation occurs in February, and the maximum in 

 September. Its amount in autumn far exceeds that of any 

 other section. 



The phases of variations above described gre shoWn by 

 the following figures : — 



^1 H ql -J 6j ig I 



^ oa ^"s J50 ^^ ci'-' K 



January 10.3^ 3.7^ 3-9?^ 3-4 ?i 4-oj^ 3-7 ?i 3-6% 



February 7.0 36 3.9 42 4-7 3-7 2-° 



March 6.1 6.2 5.9 7.3 6-7 6.0 S-O 



April 6.9 8.2 104 10.9 6.0 8.3 7.7 



May S-4 9' lo-7 io-3 6-7 8.3 no 



June 7-3 "-8 16.6 14-3 13-3 "-3 8.5 



July 8.4 12.0 16.4 ttja 9.6 18,3 9.5 



August 6.7 10.0 8.ek 7.1 11.0 11.6 11.0 



September xo.6 i4".o lo.i .12.0 18.0 n.o 100 



