14
IN THE METEOROLOGICAL DISTRICTS II AND IV.
Stations.
Millimeters of rainfall.
March.
April.
May.
Total.
Per cent.
Inin
82. 7
87. 5
204. 8
375
22.5
Isabela, Basilan_—
26. 1
84. 7
95.4
206.2
12.8
Zamboanga_
25.8
42
88. 3
156.1
17.3
Dapitan_
50. 1
121
105.8
276. 9
14.4
La Carlota. . .. —
47. 4
87
229. 3
363. 7
14
I loilo _
25.9
51
172
248. 9
11.4
Baeolod___
10.5
29.8
117.7
158
7.3
Kail Jose Buenavista-—1-
4.8
60.8
114.4
180
7.6
Cuyo_
2.2
19.5
105. 6
127. 3
6. 6
Capiz_
• 13.7
62. 4
189.5
265. 6
6.9
Mambnrao__
9.4
29.9
271. 8
311.1
10
Santiago__
5. 7
4.6
99.4
109. 7
7.2
Tayabas- - — — - - -
Atimonan_
60.2
23. 8
99.3
183. 3
12.6
68.7
93.7
174. 6
337
12.6
Silang_
San Antonio_
7. 6
41.4
117.4
166.4
9.6
80.6
154. 6
244. 6
479.8
17
(lorregidor. __ ___ .
2.3
18.7
126. 5
147.5
6.7
Restinga.. _ _ _. __ -
12.2
13.5
176. 5
202. 2
8.7
Binang_
0.0
9
62.1
71.1
5.5
Cavite_
8.6
4.2
14.4
27.2
2.3
Manila_
17.3
31
103.1
151.4
7.9
J3a)anga_ _
10.6
56.3
196
262.9
11.2
Marilao__ ___ _
8.1
48. 6
154.3
211
1.0
Olongapo_
1.5
53
294.1
348. 6
11
Porac__
31. 3
64.3
292.1
387.7
16.4
Arayat_ . _ _ . - __ _
8.4
36. 4
149.9
194. 7
11.5
Iba_
3
9.8
145.2
158
4.4
San Isidro .. _ . .
14.4
24.7
201.3
240.4
13.5
Tarlac _ - _ __ _ _ . _-
33.2
73.9
172.7
279.8
14.7
Masinloe _ _ _
5.5
85.9
125.7
217.1
5.5
Baler_
245.7
430.3
370. 4
1,046.4
27.4
Dagnpan__
Bolinao__
17.2
57
317.6
391.8
16
10.1
26.6
101
137. 7
5.5
Bayombong_
37.6
* 70
164.1
271.7
22.9
Baguio _ __ _ -- __
21.9
113.4
479.2
614.5
15.4
San Fernando, Union_
3.7
10.1
160.6
174.4
7.7
Candon_:_
1.4
13.2
204. 3
218.9
8.8
Vigan _ _ _ _ _ __
3.6
12. 2
73.4
89.2
4.2
Tuguegarao - - __
26.4
36
79.8
142.2
9.1
Aparri . _ __ _ _ ___
45. 7
37. 9
94
177.6
8.3
Santo Domingo __ _ __ _ _ ..
86.6
111.9
252.4
450. 9
15. 8
IV. CONCLUSION.
The preceding data show that the mean yearly amount of rainfall is really high in the wholeArchipelago. Hut as its effect depends principally on its distribution throughout the year, wemust say a few words on this topic. In respect to rainfall three different climates can be distin-guished in these Islands:
The first, and worst of them, has two well-defined seasons, wet and dry. This climate prevailsin those regions which during the summer months receive more than 80 per cent of the annualrainfall, and consequently have five rainy months and practically seven of drought. Such regions arethose facing the China Sea, the low plains extending northward and eastward from Manila Bay,the moderately high and hilly lands surrounding these plains, and the part of the provinces ofLuzon facing the southern seas with mountains to the north. The same climate is found also insome valleys and plateaus extending along the central mountain range of Luzon, as Baguio (1,45(3meters above sea level.)
The second climate consists of eight or nine months of rain and only four or three of drought;the precentage of rainfall being high during both the summer and winter season. This climateprevails in the eastern and southeastern parts of Luzon and in the central Vi Rayas, where thenortheasters blow almost without any obstacle.