The Bainfall of South Africa. 381 
DIVISION (1). 
Section (a). — No cases. 
Section (b). — We have only 2 cases, followed by dry weather. 
Sectio7i (c). — This happened upon 34 occasions, and only once did rain 
fellow. 
PREDICTION for Division. — Dry weather. 
DIVISION (2). 
Section (a). — No cases. 
Section (b). — There were only 2 cases, 1 followed by rain. 
Section (c). — Here we have 5 cases, only 1 being followed by rain, and 
then only 0*03 in. fell. 
Prediction for Division. — Dry weather. 
DIVISION (3). 
Section (a). — No cases. 
Section (b). — Only 2 cases, followed by dry weather. 
Section (c). — This happened apon 9 occasions, and rain followed 7 of 
them ; on the 2 excepted days pressure was very high and no rain 
would have been looked for. In the cases where rain followed, although 
pressure was high at Clanwilliam, it fell towards L'Agulhas, and was akin 
to winter type conditions. 
Prediction for Division. — Wet weather. Exception. — ^High 
pressure all over. 
SUB-GROUP (C). 
This can be brought about by a high-pressure area pushing up from 
the south, or a depression to the north-west preventing proper recovery 
after a winter type depression has passed. 
DIVISION (1). 
Section (a). — No cases. 
Section (b). — Here we have 6 cases, each followed by dry weather. 
Section (c). — This happened 48 times, and only after 1 of them did 
rain follow. 
Prediction for Division. — Dry weather. 
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