348 



Division of Hydrography 



Honolulu, Hawaii, September 8, 1916. 



Board of Commissioners of Agriculture and Forestry, 

 Honolulu, Hawaii. 



Gentlemen : — The following report of operations of the Divi- 

 sion of Hydrography during August, 1916, is submitted: 



IVeather Conditions. 



The rainfall at the lower levels has been generally light 

 throughout the month. Although abundant showers occurred in 

 the mountains, there were no especially heavy rains.. 



Streams and ditches were maintained at about normal stage. 



G. K. Larrison and C. T. Bailey spent August 26-27 at Hilo, 

 Hawaii, obtaining data for use by the Attorney General. 



Operation and Maintoiancc JJ^ork. 



Kauai — Thirty-two stream and ditch gaging stations and five 

 rainfall stations were visited, and 29 discharge measurements 

 w^ere made. Four discharge measurements were made to deter- 

 mine seepage loss in Old Anahola ditch. 



A considerable portion of the month was spent repairing and 

 improving gaging stations. The measuring sections at Koaie, 

 \\'aiahulu, Waialae, North Fork of Wailua and East Branch of 

 North Fork of Wailua were improved and the water-stage re- 

 corder shelters at the two last named stations were enlarged and 

 fitted for sleeping quarters for the hydrographer who sometimes 

 has to spend the night there. The wells and intake pipes at five 

 stations were cleared out by means of a small diaphragm pump 

 recently purchased for the purpose. 



Oahu — Thirteen stream and ditch gaging stations and five rain- 

 fall stations were visited during the month, and six discharge 

 measurements were made. 



Maui — Twenty-six stream and ditch gaging stations and ong 

 rainfall station were visited during the month, and sixteen dis- 

 charge measurements were made. 



Very respectfully, 



C. T. Bailey, 

 Acting Superintendent of Hydrography. 



&' 



