| +-----+-----+-----+-----+-----+-----+ | 15 | 0·04 | 31 | 0·04| .. | 4·42| 6·29| .. | | | +-----+-----+-----+-----+-----+-----+ | 20 | 0·06 |Mean.|-0·02| 0·86| 1·78| 6·14| .. | | | +-----+-----+-----+-----+-----+-----+ | 25 | 0·04 | | | | | | | | 30 | -0·03 | | | | | | | | +---------+ | | | | | | | Mean.| 0·00 | | | | | | | | =====+=========+=====+=====+=====+=====+=====+=====+=====+======== Zero is R. L. 85·00 metres. TABLE LXVI.--_Assuân Reservoir gauges._ R. L. OF ZERO 85·00 METRES. =====+=====+=====+=====+=====+=====+=====+=====+ Year.|Date.| Jan.| Feb.| Mar.| Apr.| May | Jun.| -----+-----+-----+-----+-----+-----+-----+-----+ 1902 | 1 | .. | .. | .. | .. | .. | .. | | 5 | .. | .. | .. | .. | .. | .. | | 10 | .. | .. | .. | .. | .. | .. | | 15 | .. | .. | .. | .. | .. | .. | -----+-----+-----+-----+-----+-----+-----+-----+ | 20 | .. | .. | .. | .. | .. | .. | | 25 | .. | .. | .. | .. | .. | .. | | 30 | .. | .. | .. | .. | .. | .. | -----+-----+-----+-----+-----+-----+-----+-----+ |Mean | .. | .. | .. | .. | .. | .. | -----+-----+-----+-----+-----+-----+-----+-----+ 1903 | 1 |20·30|21·00|21·05|20·67|19·76|17·63| | 5 |20·38|21·13|21·09|20·55|19·63|16·85| | 10 |20·41|21·06|21·00|20·34|19·39|15·69| | 15 |20·61|21·03|20·92|20·19|19·18|14·41| -----+-----+-----+-----+-----+-----+-----+-----+ | 20 |20·67|21·06|20·79|19·99|18·98|12·42| | 25 |20·86|21·00|20·75|19·89|18·48| 9·43| | 30 |20·96|21·03|20·68|19·72|17·97| 7·07| -----+-----+-----+-----+-----+-----+-----+-----+ |Mean |20·60|21·04|20·90|20·19|19·05|13·47| -----+-----+-----+-----+-----+-----+-----+-----+ 1904 | 1 |16·29|19·18|20·44|20·91|20·94|19·66| | 5 |16·80|19·42|20·72|21·00|20·99|19·06| | 10 |17·37|19·70|21·01|21·15|21·09|17·97| | 15 |17·81|20·00|20·96|21·25|20·91|16·22| -----+-----+-----+-----+-----+-----+-----+-----+ | 20 |18·26|20·28|21·01|21·16|20·73|13·84| | 25 |18·66|20·37|20·94|21·06|20·33|10·26| | 30 |19·13|20·41|20·90|20·96|19·83| 6·56| -----+-----+-----+-----+-----+-----+-----+-----+ |Mean |17·76|19·91|20·85|21·07|20·69|14·80| =====+=====+=====+=====+=====+=====+=====+=====+