=====+=====+=====+=====+=====+=====+=====+===== Year.|Date.| Jul.| Aug.| Sep.| Oct.| Nov.| Dec. -----+-----+-----+-----+-----+-----+-----+----- 1902 | 1 | .. | .. | .. | .. |12·80|17·77 | 5 | .. | .. | .. | .. |13·72|18·16 | 10 | .. | .. | .. | .. |14·91|18·59 | 15 | .. | .. | .. | .. |15·73|19·02 -----+-----+-----+-----+-----+-----+-----+----- | 20 | .. | .. | .. | 9·90|16·58|19·39 | 25 | .. | .. | .. |10·98|17·18|19·77 | 30 | .. | .. | .. |12·50|17·67|20·25 -----+-----+-----+-----+-----+-----+-----+----- |Mean | .. | .. | .. | .. |15·51|19·00 -----+-----+-----+-----+-----+-----+-----+----- 1903 | 1 | .. | .. | .. | .. | .. |10·56 | 5 | .. | .. | .. | .. | .. |10·53 | 10 | .. | .. | .. | .. |10·63|12·10 | 15 | .. | .. | .. | .. |10·53|13·33 -----+-----+-----+-----+-----+-----+-----+----- | 20 | .. | .. | .. | .. | 6·90|14·49 | 25 | .. | .. | .. | .. |10·59|15·18 | 30 | .. | .. | .. | .. |10·57|16·14 -----+-----+-----+-----+-----+-----+-----+----- |Mean | .. | .. | .. | .. | .. |13·19 -----+-----+-----+-----+-----+-----+-----+----- 1904 | 1 | .. | .. | .. | .. | .. | .. | 5 | .. | .. | .. | .. | .. | .. | 10 | .. | .. | .. | .. | .. | .. | 15 | .. | .. | .. | .. | .. | .. -----+-----+-----+-----+-----+-----+-----+----- | 20 | .. | .. | .. | .. | .. | .. | 25 | .. | .. | .. | .. | .. | .. | 30 | .. | .. | .. | .. | .. | .. -----+-----+-----+-----+-----+-----+-----+----- |Mean | .. | .. | .. | .. | .. | .. =====+=====+=====+=====+=====+=====+=====+===== Zero is R. L. 85·00 metres. TABLE LXVII.--_Cairo gauges_. (_Roda island_). Mean of 20 years 1873-1892.