Laserfiche WebLink
<br />~ <br />, <br />. <br />, <br /> <br />DEP_4.RTl\JENT OF PUBLIC WORKS <br /> <br />, <br /> <br />.209 <br /> <br />days or langel', during which less than one inch of effective rain has <br />fallen. So many factors are involved that it is impossible to say <br />just what amount of rain is required to be effective. In this study <br />any rain' of one-half inchor6ver, 'or" riliiis"of over one-fotirtli inch <br />coming on consecutive days, is considered as effective. . In the last <br />twenty years 42 dry periods have occurred at Hastings, averaging 46 <br /> <br />Year <br /> <br />1904 <br />1904 <br />1905 <br />1905 <br />1906 <br />1906 <br />1907 <br />1907 <br />1908 <br />1908 <br />1909 <br />1909 <br />1910 <br />1910 <br />1910 <br />1911 <br />1911 <br />1912 <br />1913 <br />1914 <br />1914 <br />1914 <br />1915 <br />1916 <br />1916 <br />1916 <br />1917 <br />1917 <br />1918 <br />1915 <br />1918 <br />1919 <br />1920 <br />1920 <br />1921 <br />1921 <br />1921 <br />1922 . <br />1922 <br />.. 1922 <br />1923 <br />1923 <br />Average <br /> <br />'l'ABLE IVO. 2.-Frequenc)" of Dr,.. Periods' at. Hasting.. .. no..... hn. <br /> <br />Period <br /> <br />April 2.6--'-May 31 . <br />July 13-Sept. 12 <br />JURe 24-July .25 <br />July 30-Sept. 6 <br />July 27-'--Siipt. 11 . <br />Sept. 16-.. Oct: 20 <br />Aug. 29-Sept. 29 <br />Oct. 2-0ct. 31 <br />April I-May 3 <br />Aug. 20-'--Sept. 25 <br />April I-June 6 <br />June 10-July 9 <br />May 8-Juhe 7 <br />Aug. IS-Sept: 20 <br />Sept. 28-0ct. 31 <br />April I-July 5 <br />Sept. 22-0ct. 31 <br />July 2-Aug. 15 <br />July 3-0ct. 31 <br />Aprll 1-M~y 1 <br />July 6-Alig. 11 <br />Sept. 15-0ct.. 31 <br />Sept. 30-0ct. 31 <br />June 24-Aug. 9 <br />Aug. 16-Sept. 16 <br />Sept. 17-0ct. .31 <br />JUJle 29-Sept. 6 <br />Sept. 26-0ct. 31 <br />'April 16-May 30 <br />July I-Aug. 6 <br />Aug. 7-0ct. 18. <br />July 15-Sept. 16 <br />April 20-May SO <br />Sept. I-Oct. 15 <br />May I-May 30 <br />June 2-JuIY'17 . <br />Aug. '12~Oct. 31 <br />June I-July 21 <br />July 28-Sept. 17 <br />Sept. 18-0ct. 29 <br />Aug. 10-Sept. 16 <br />Sept. 30-0ct. 31 <br />42 Dry Periods in 20 <br /> <br />Length <br />Days <br />36 <br />62 <br />32 <br />38 <br />47 <br />35 <br />31 <br />30 <br />33 <br />37 <br />67- <br />30 <br />3f <br />34 <br />34 <br />96 <br />40 <br />45 <br />121 <br />31 <br />38 <br />46 <br />32 <br />47 <br />32 <br />46 <br />70 <br />36 <br />44 <br />37 <br />73 <br />64 <br />31 <br />45 <br />30 <br />46 <br />80 <br />61 <br />62 <br />42 <br />37 <br />32 <br />years. <br />46 <br /> <br />Total <br />RaInfall <br />Inches <br />1.64 <br />2.42 <br />1. 76 <br />2.01 <br />2.22 <br />0.42 <br />1.58 <br />0.15 <br />1.44 <br />0.55 <br />1.18 <br />1.94 <br />1.29 <br />0.76 <br />. " 1.33 <br />3.27 <br />1.84 <br />1.67 <br />3.80 <br />0.88 <br />1.20 <br />1.42 <br />0.22 <br />. 1.32 <br />1.27 <br />1.43 <br />2.12 <br />0.18 <br />1.90 <br />1.10 <br />2.55 <br />1.02 <br />.1.28 <br />1.45 <br />1.10 <br />2.65 <br />2.66 <br />1.93 <br />1.36 <br />0.99 <br />1.09 <br />1.00 <br /> <br />1.51 <br /> <br />Effective Rainfall <br /> <br />."Inches <br />0.85 <br />0.64 <br />0.52 <br />0.74' <br />0.94 <br />. 0.0 <br />.86 <br />o <br />0'.95 <br />o <br />o <br />0.83 <br />'0 <br />o <br />0.98 <br />. '1.03 <br />0.87 <br />0.75 <br />0.96 <br />0.70 <br />0.90 <br />0.78 <br />o <br />0.60 <br />0.65 <br />0.110 <br />0.50 <br />o <br />0.66 <br />0.1ii <br />0.57 <br />0.55 <br />o <br />0.83 <br />o <br />0.95 <br />0.55 <br />0.80 <br />0.63 <br />0.75 <br />0.80 <br />o <br /> <br />.56 <br /> <br />Date <br />May 4 <br />Aug. 29 <br />July 1 <br />Aug. 22 <br />Aug. 4 <br /> <br />Sept. 27 <br /> <br />April 17 <br /> <br />July 5 <br /> <br />Oct. 3 <br />May 21. <br />Oct. 5 <br />July 18 <br />Sept. 24 <br />April 27 <br />July 28 <br />Oct. 24 <br /> <br />July 19 <br />Aug. 30 <br />Oct. 24 <br />. Aug. 7 <br /> <br />May 24 <br />July 17 <br />Aug. 7 <br />July 20 <br /> <br />Sept. 4 <br /> <br />July 4 <br />Sept. 19 <br />July 7 <br />Aug. 22 <br />Sept. 18 <br />Aug. 26 <br />