Abstract
A neat, accurate. modern description of a tropical climate. The Intertropical Front between the equatorial No. and So. Pacific air masses passes over S. during Apr.-May and Oct.-Nov., with many thunderstorms, calms, and frequent circular-isobared depressions in which rain falls from long gently inclined discontinuities between the above mentioned air masses. Both air masses are unstable with equally showery cumulus weather; "monsoon" is a misleading description as both air masses bring similar weather (summer and winter), the word is probably a relic of colonial associations with India. The humidity is always high (75-95%), but nights are cool from radiation to clear skies and breezes[long dash]the reason for Singapore''s reputation for white tolerability. Rainfall and temp. normally have a small seasonal range, but rainfall is very unreliable. Daily range < 12[degree]F.; summer is warmer by virtue of higher daily minima rather than max. Clouds and showers in afternoon are frequent and cause a marked cooling. Typhoons are unknown.

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