Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0788241 Sandveld Proefplaas Site 0788241.RN Variable 10.00 Total Rainfall in Millimetres Figures are for period starting 800 hours. Mean Annual Missing Year Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Monthly Total Days 1968/69 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.0 [0.0] [0.0] 273 1969/70 0.0 66.6 13.0 39.0 132.1 16.0 21.5 0.0 0.0 0.0 0.0 0.0 24.0 288.2 0 1970/71 13.0 9.5 167.5 58.6 169.5 54.5 26.2 31.1 3.2 0.0 0.0 0.0 44.4 533.1 0 1971/72 0.0 31.6 34.8 136.6 0.0 222.4 43.6 0.0 0.0 0.0 0.0 0.0 39.1 469.0 0 1972/73 11.0 15.5 3.0 39.5 77.8 51.2 60.5 0.0 1.5 3.0 4.5 0.0 22.3 267.5 0 1973/74 69.4 12.5 85.5 188.8 151.0 52.0 89.3 0.0 9.5 0.0 0.0 14.5 56.0 672.5 0 1974/75 4.5 70.5 64.0 54.1 34.0 174.0 21.0 15.5 0.0 0.0 0.0 0.0 36.5 437.6 0 1975/76 0.0 61.6 13.9 282.3 201.5 150.0 65.1 2.5 0.0 0.0 0.0 31.8 67.4 808.7 0 1976/77 14.2 24.0 20.4 60.5 163.0 65.0 143.5 0.5 0.0 0.0 0.0 2.5 41.1 493.6 0 1977/78 26.5 46.2 157.5 137.4 329.2 39.0 65.5 0.0 0.0 0.0 0.0 6.5 67.3 807.8 0 1978/79 14.5 18.0 38.5 83.0 106.0 12.0 19.0 11.0 0.0 0.0 14.0 0.0 26.3 316.0 0 1979/80 5.0 81.5 65.9 48.6 86.4 52.5 54.0 0.0 0.0 2.5 0.0 36.0 36.0 432.4 0 1980/81 0.0 116.0 32.0 106.6 39.1 68.7 4.0 0.0 0.0 0.0 10.0 0.0 31.4 376.4 0 1981/82 14.0 31.0 63.0 98.8 [ ] 80.3 69.1 3.0 0.0 0.0 0.0 9.2 [33.5] [368.4] 28 1982/83 29.6 29.5 65.3 73.0 39.0 25.5 8.0 5.0 4.0 0.0 0.0 0.0 23.2 278.9 0 1983/84 18.8 135.0 162.2 15.3 50.2 [ ] [ ] [ ] 0.0 0.0 0.0 0.0 [42.4] [381.5] 92 1984/85 33.6 21.0 10.3 35.8 57.4 32.4 1.5 0.0 0.0 0.0 0.0 0.0 16.0 192.0 0 1985/86 [ ] 16.0 56.2 71.0 [ ] 95.4 18.1 0.0 [ ] [ ] 0.0 1.0 [32.2] [257.7] 120 1986/87 [ ] [ ] 17.5 38.5 71.1 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [42.4] [127.1] 275 1987/88 [ ] [ ] [ ] 102.0 56.5 76.0 93.0 0.0 0.0 0.0 0.0 0.0 [36.4] [327.5] 92 1988/89 25.0 11.4 102.4 159.9 41.0 15.6 11.5 0.0 0.0 0.0 0.0 0.0 30.6 366.8 0 1989/90 9.8 24.5 2.5 120.0 61.5 100.7 45.1 0.0 0.0 0.0 0.0 0.0 30.3 364.1 0 1990/91 0.6 18.5 78.0 113.8 291.1 28.5 0.0 0.0 0.0 0.0 0.0 52.9 48.6 583.4 0 1991/92 68.1 20.6 47.6 48.5 26.7 50.9 1.4 0.0 0.0 0.0 0.0 2.5 22.2 266.3 0 1992/93 16.5 18.4 59.2 37.2 166.8 22.7 41.4 0.4 0.0 0.0 0.0 0.2 30.2 362.8 0 1993/94 47.4 50.0 40.3 244.3 127.2 16.7 21.7 0.0 0.0 0.0 0.0 0.0 45.6 547.6 0 1994/95 1.9 0.0 20.7 14.0 22.0 75.7 4.5 6.6 3.0 0.0 0.0 0.0 12.4 148.4 0 1995/96 8.9 8.9 52.7 98.1 29.3 0.0 36.7 1.0 0.0 0.0 [ ] 0.0 [21.4] [235.6] 31 1996/97 0.0 62.0 89.4 328.7 12.5 140.6 11.0 22.9 0.0 0.0 0.0 19.1 57.2 686.2 0 1997/98 0.0 3.0 95.2 23.1 28.1 70.5 0.0 0.0 0.0 0.0 0.0 7.5 19.0 227.4 0 1998/99 13.0 24.0 153.3 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [63.4] [190.3] 273 1999/ 0 [ ] [ ] [ ] 168.3 365.6 133.1 56.5 7.0 0.4 0.0 0.0 0.0 [81.2] [730.9] 92 2000/ 1 [0.0] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.0] [0.0] 364 1640 Tot Mean [15.9] 36.7 62.5 100.8 104.8 68.6 36.9 3.8 0.8 0.2 1.0 6.1 [35.8] [380.2] Mean Med. [12.0] 24.0 56.2 78.0 66.3 53.5 23.9 0.0 0.0 0.0 0.0 0.0 Med. Max [69.4] 135.0 167.5 328.7 365.6 222.4 143.5 31.1 9.5 3.0 14.0 52.9 [81.2] [808.7] Max Min [0.0] 0.0 2.5 14.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 [0.0] [0.0] Min OK 97% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 28 28 29 30 28 28 28 28 28 29 29 30 33 33 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... [ ] Data Not Recorded