============+=======================+=======================+ Date. | 1874 | 1878 | +-------+-------+-------+-------+-------+-------+ |Assuan.| Cairo | Cairo |Assuan.| Cairo | Cairo | | | with | with | | with | with | | | basin | peren-| | basin | peren-| | | irri- | nial | | irri- | nial | | |gation.| irri- | |gation.| irri- | | | |gation.| | |gation.| ------------+-------+-------+-------+-------+-------+-------+ August 5| 6·9 | .. | .. | 5·6 | .. | .. | 10| 7·4 | 6·5 | 5·8 | 5·3 | 4·9 | 4·4 | 15| 8·5 | 6·9 | 6·4 | 7·2 | 5·4 | 5·2 | 20| 8·6 | 7·3 | 7·8 | 7·5 | 6·0 | 6·3 | 25| 8·7 | 7·5 | 7·9 | 8·1 | 6·3 | 6·5 | 31| 8·7 | 7·6 | 8·1 | 7·6 | 6·6 | 7·2 | ------------+-------+-------+-------+-------+-------+-------+ September 5| 9·0 | 7·7 | 8·2 | 8·1 | 6·5 | 7·5 | 10| 8·8 | 8·0 | 8·3 | 8·5 | 6·8 | 7·5 | 15| 8·7 | 8·2 | 8·4 | 8·9 | 7·2 | 8·0 | 20| 8·4 | 8·3 | 8·5 | 8·9 | 7·6 | 8·5 | 25| 8·4 | 8·4 | 8·2 | 9·0 | 7·9 | 8·5 | 30| 8·2 | 8·4 | 8·2 | 9·1 | 8·2 | 8·5 | ------------+-------+-------+-------+-------+-------+-------+ October 5| 7·9 | 8·7 | 7·9 | 8·9 | 8·4 | 8·6 | 10| 7·6 | 8·5 | 7·6 | 8·5 | 8·7 | 8·6 | 15| 7·2 | 8·3 | 7·4 | 7·9 | 8·4 | 8·4 | 20| 6·6 | 8·0 | 7·0 | 7·6 | 8·1 | 8·0 | 25| 6·2 | 7·7 | 6·3 | 7·4 | 7·9 | 7·4 | 31| 5·6 | 7·0 | 5·9 | 6·8 | 7·7 | 7·2 | ============+=======+=======+=======+=======+=======+=======+