The physiography of the river Nile and is basin . t forth in the following statement. Year ISC. I1870IS711872 flood of year toiiieitn flood ri8i-2;5 1-11 IHESsuBE Conditions Caiki I markedly low both hoforeiinil ihirintr Hood. rmol) AT E.\« all months from June to(>ctol)er. (AHtolow ii|i to June tlieii nor- Jloderate excess June after-mal till Auo;., 8teinber. between thesedates normal. Mean of the mean anomalies of tUe months June, .July, August, September. Years in apparent disagreement from the rule that — anomalies coincide with floods abovu thaiivcrage. and + a
The physiography of the river Nile and is basin . t forth in the following statement. Year ISC. I1870IS711872 flood of year toiiieitn flood ri8i-2;5 1-11 IHESsuBE Conditions Caiki I markedly low both hoforeiinil ihirintr Hood. rmol) AT E.\« all months from June to(>ctol)er. (AHtolow ii|i to June tlieii nor- Jloderate excess June after-mal till Auo;., 8teinber. between thesedates normal. Mean of the mean anomalies of tUe months June, .July, August, September. Years in apparent disagreement from the rule that — anomalies coincide with floods abovu thaiivcrage. and + anomalies with floods below the average,?S Tliii^e iiiv tikeii from unootlied curves. INDIAN RAINFALL ARABIAN SEA CURRENT. PERCENTAGE VARIATION FROM MEAN OF MAY TO OCTOBER PLATE .(A^MS« t**10Vfl mo: — n;;? — Yeab i87;j 1874 1875 laiG 1877 1878 187.) 1880 1881 Katiouf rto(j(i of year tomwiii flood 0-84 ]-ii; 1-1(1 1MI9 (I- ,1) I-IU 1-14 ((•;i8 (i-o;? IHEssuRK Conditions Cairo low April, liiyh lower Au:. aixi Sept. (aiuci lii^li Maivli. Ai>iil. Maythen fell .steadily tliroughoutrest of year. Beirut and Cairo low till July; Aii(r. above normal, tlien fall-ing till N()\.MATRiTirs fall to end of ()ct. Bkiiut Ainii. May. .lune high,^larch and .^ept. low. < airo. March. Ai)ril, Jlay low-then rising to November. MArRiTiis*. April-August high. Beirit, above normal till June. July very Iiigli. (airii. Mareli-May below nor-mal ; J uly. August. Septembervery high. Maukitiis. high A]iril to Sept. BfaRfi. very higli in Fibniaiy. low May-< ), very high in February. low May-( low after March. Beirvt. low Jiine-.*^e])teinberthen rose, minimum June. ( airo. low May-Se|)temberthenrose minimum June. Mauritrs, l
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