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C.— 8.

The rainfall at Kerepeehi in 1938 was 58-43 in. The average annual rainfall over a period of twenty-two years is 43-85 in. The wettest montli was February, with a fall of 9-42 in., and the driest, October, with a fall of 0-84 in. Rainfall records for Kerepeehi are as follows :—

Records of Daily Precipitations, Kerepeehi, Hauraki Plains.

In May the stop-banks on the foreshore of the Hauraki Gulf and mouths of the Waihou and Piako Rivers were topped by an extraordinary high tide. An area of over 10,000 of Hauraki Plains land was flooded by sea-water, and also a considerable area at Miranda and on the banks of the Waihou River where there are no stop-banks. Extensive damage was caused to the stop-banks and drains under the control of the Hauraki United and Hauraki Plains West Drainage Boards. The settlers on the flooded areas suffered loss and inconvenience through having to remove their stock, but it is pleasing and surprising to be able to record that the land that had been flooded with salt or brackish water produced the best pastures in the district the following summer. The following is a general review of the works carried out during the year Dredges. Three bank-operating excavators and one floating dredge have been in commission during the year. The total quantity of material excavated by this plant was 206,412 cubic yards. No. 15 Bucyrus excavator completed the Reservoir Canal in June, and after essential repairs had been carried out resumed work widening and deepening the Piako River between 12 miles 40 chains and 13 miles 10 chains. The spoil was used to strengthen the stop-banks on the right bank of the river. At the end of March the river-improvement work on this reach had been completed with the exception of about 5 chains. On completion of this section the plant will be laid up for a much-needed overhaul. Using a | cubic yard Page bucket, and operating with a5O ft. boom, this machine handled 57,204 cubic yards in 184 working-days at a unit cost of 7-95 d. No. 16 Bucyrus excavator has been continuously employed widening the Waitakaruru-Maukoro Canal and constructing a road embankment on the right side of the canal. To avoid as far as possible double handling of spoil, two operations are necessary to enlarge the canal to the prescribed crosssection. Working down-stream from the 2 mile 23 chain peg, the canal was partially enlarged to 1 mile 73 chains and the spoil was placed to form a track for the machine. In the final operation it will complete the canal and place the spoil to form a road embankment. Between peg Oat the bridge on the Pokeno-Thames Highway to 1 mile 73 chains, the road was formed with spoil excavated from the canal. The total quantity of material excavated using a | cubic yard bucket on 50 ft. boom was 72-873 cubic yards in 235 working-days, and the cost was 6-31 d. per cubic yard. No. 29 Bay City drag-line excavator is a light machine which operates on caterpillar crawlers and is equipped with a pneumatic-tired trailer for long-distance transportation. The number of jobs on which this machine has been engaged during the year serves to illustrate the usefulness and adaptability of this type of machine for general construction work. During April it was employed raising the Waihou River and foreshore stop-banks in the Orongo Settlement ; from May to July it was employed on emergency work at Orongo, Turua, Shelly Beach, and Hopai, repairing breaks in the stop-banks caused by tidal overflow. Access to this work would have been impossible for a heavier

2

Number of Days, with given Daily Precipitation in Inches. o> I "d* o> "H? a» I o» 0> I c? o> a o> I © m ., . m ... 2 SS22SlSSlSSSS f53£ M Wettest Month. Driest Month. O OOOOOOOOOQQO I O 010 0100,10 0 0 0 0 0 0 I O >0 t"- O (N »OII> O *0 O O O O jo O O rH rH tH ! rH OJ I <N CO lO CD . - 1917 131 11 4 4 3 1 1 1 156 45-61 Fob. 6-26 Jan. 0-65 1918 .. I 145 14 6 4 1 .. .. I 171 44-06 Oct. 7-47 May 2-24 1919 .. | 122 9 1 3 2 137 27-36 July 4-52 Dec. 0-89 1920 .. ! 85 7 10 3 1 1 3 2 112 43-16 Feb. 6-10 July 1-73 1921 .. 93 12 5 3 2 .. .. 1 .. 116 34-43 Oct. 5-89 Feb. 0-72 1922 .. 101 17 9 3 1 1 .. 1 133 42-81 Feb. 6-62 April 1-73 1923 ..151 6 5 4 1 1 1 169 47-04 April 9-76 March 1-72 1924 ..132 8 10 5 2 5 1 I 2 166 60-37 April 8-55 July 1-87 1925 .. 142 15 4 2 1 164 37-64 June 6-67 April 0-84 1926 .. 149 15 6 4 5 2 2 183 55-53 May 8-86 Feb. 1-79 1927 .. 159 10 6 5 .. 4 184 45-33 July 6-29 April 2-01 1928 ..125 7 9 2 3 2 2 1 151 47-30 May 7-52 Jan. 0-01 1929 .. 124 19 8 3 1 155 41-05 April 5-09 Feb. 0-74 1930 ..131 4 2 2 3 2 2 146 37-72 Jan. 6-87 Dee. 0-80 1931 .. 144 10 7 4 2 167 43-23 July 7-80 March 0-98 1932 ..126 7 5 4 .. I 143 32-05 Feb. 4-95 Nov. 0-93 1933 .. 152 13 1 4 3 .. .. 1 174 38-93 Feb. 6-54 March 1-20 1934 .. 138 11 6 5 2 2 .. 1 .. 1 166 43-23 June 6-15 Oct. 2-05 1935 .. 163 15 6 4 2 2 .. 1 .. 1 194 53-42 July 9-56 Jan. 0-93 1936 .. 127 11 6 3 1 2 150 40-62 Feb. 5-83 May 1-63 1937 .. 76 21 8 5 1 1 1 1 114 45-51 May 5-89 Feb. 0-51 1938 .. 54 19 13 6 4 2 1 2 101 58-43 Feb. 9-42 Oct. 0-84 1939* .. 9 2 .. .. 1 12 6-07 Jan. 3-98 March 0-46 I * First three months of year only. Average rainfall over twenty-two years is 43-85 in.

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