Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0830580 Ondunduwazirapi Site 0830580.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 1960/61 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.3 [0.1] [0.3] 273 1961/62 0.0 123.2 48.0 21.5 108.0 4.5 16.0 0.0 0.0 0.0 16.3 0.0 28.1 337.5 0 1962/63 19.5 8.5 32.0 400.5 16.0 90.0 99.5 5.0 0.0 0.0 0.0 0.0 55.9 671.0 0 1963/64 12.0 104.5 21.1 23.0 15.0 54.0 38.5 0.0 0.0 0.0 0.0 0.0 22.3 268.1 0 1964/65 8.5 18.0 30.0 77.5 67.5 91.0 110.5 0.0 0.0 0.0 0.0 0.4 33.6 403.4 0 1965/66 4.0 16.5 17.5 99.9 77.0 44.5 33.0 0.0 0.0 0.0 0.0 51.0 28.6 343.4 0 1966/67 4.0 19.0 62.0 91.3 89.5 59.0 12.1 11.0 0.0 0.0 0.0 0.0 29.0 347.9 0 1967/68 0.0 101.0 95.7 125.0 74.5 201.2 3.6 60.5 0.0 0.0 0.0 0.0 55.1 661.5 0 1968/69 3.5 23.5 50.0 48.6 115.5 58.0 23.0 0.0 0.0 0.0 0.0 0.0 26.8 322.1 0 1969/70 0.0 35.0 6.0 57.5 61.3 37.7 2.0 0.0 0.0 0.0 0.0 0.0 16.6 199.5 0 1970/71 45.0 12.5 160.5 43.0 216.1 39.9 51.0 24.1 9.5 0.0 0.0 0.0 50.1 601.6 0 1971/72 0.0 7.9 1.0 97.0 13.0 125.6 60.5 0.0 0.0 0.0 0.0 0.0 25.4 305.0 0 1972/73 5.5 5.2 19.3 58.2 20.0 84.0 74.5 0.0 0.0 0.0 0.0 0.0 22.2 266.7 0 1973/74 32.5 17.5 45.0 134.4 191.1 33.0 90.5 2.0 3.5 0.0 0.0 5.8 46.3 555.3 0 1974/75 22.5 37.7 44.5 55.0 95.0 124.0 21.0 13.0 0.0 0.0 0.0 0.0 34.4 412.7 0 1975/76 1.0 10.0 128.0 227.5 81.0 115.0 23.5 6.5 0.0 0.0 0.0 0.0 49.4 592.5 0 1976/77 0.0 0.0 6.0 72.0 166.3 79.5 148.0 2.0 0.0 0.0 0.0 0.0 39.5 473.8 0 1977/78 37.5 28.5 78.0 210.5 237.0 40.0 26.5 0.0 0.0 0.0 6.0 0.0 55.3 664.0 0 1978/79 0.0 48.0 52.0 96.5A 172.0 21.0 10.5 4.5 0.0 0.0 0.0 2.0 33.9A 406.5A 0 1979/80 14.0 44.5 104.2 26.5 87.8 64.5 0.0 0.0 0.0 0.0 1.0 36.5A 31.6A 379.0A 0 1980/81 2.0 21.0 27.5 28.5 42.8 48.0 63.3 0.0 0.0 0.0 0.0 0.0 19.4 233.1 0 1981/82 0.0 36.5 42.0 60.3 131.0 56.0 33.0 0.0 0.0 0.0 0.0 4.0 30.2 362.8 0 1982/83 4.5 12.5 103.5 55.5 8.5 37.0 20.0 3.8 3.1 0.0 0.0 0.0 20.7 248.4 0 1983/84 22.4 51.0 105.6 60.0 25.7 41.3 111.5 5.5 0.0 0.0 0.0 0.0 35.3 423.0 0 1984/85 21.5 28.0 7.5 53.1 79.0 71.5 8.0 0.0 0.0 0.0 0.0 0.0 22.4 268.6 0 1985/86 39.0 18.2 1.5 73.0 35.0 95.5 26.5 0.0 0.0 0.0 0.0 47.5 28.0 336.2 0 1986/87 22.5 13.5 14.0 23.0 139.5 16.5 22.0 0.0 0.0 0.0 0.0 0.0 20.9 251.0 0 1987/88 25.5 10.0 52.0 147.0 74.0 57.5 50.0 8.5 0.0 0.0 0.0 0.0 35.4 424.5 0 1988/89 14.5 22.7 175.0 123.5 225.0 2.5 19.5 6.0 0.0 0.0 0.0 0.0 49.1 588.7 0 1989/90 1.0 0.0 2.0 131.5 46.0 147.5 82.5 0.0 0.0 0.0 0.0 0.0 34.2 410.5 0 1990/91 0.0 17.0 102.2 200.5 218.5 45.0 0.0 0.0 0.0 0.0 0.0 26.5 50.8 609.7 0 1991/92 27.0 35.0 77.0 47.5 41.0 49.0 21.5 0.0 0.0 0.0 0.0 0.0 24.8 298.0 0 1992/93 4.5 41.0 41.5 93.0 124.5 35.2 59.0 0.0 0.0 0.0 2.5 0.0 33.4 401.2 0 1993/94 49.0 51.5 38.0 190.1 108.0 14.0 51.0 0.0 0.0 0.0 0.0 0.0 41.8 501.6 0 1994/95 0.5 71.0 7.0 4.5 22.5 53.7 0.0 19.0 0.0 0.0 0.0 0.0 14.9 178.2 0 577 Tot ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0830580 Ondunduwazirapi Site 0830580.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 1995/96 16.0 3.5 18.5 71.0 63.0 0.0 20.0 0.0 0.0 3.5 0.0 0.0 16.3 195.5 0 1996/97 0.0 10.0 102.5 162.0 74.5 115.5 7.0 0.0 0.0 0.0 0.0 28.5 41.7 500.0 0 1997/98 29.5 25.0 111.5 55.0 59.0 [ ] 33.0 79.5 0.0 0.0 0.0 0.0 [35.7] [392.5] 31 1998/99 0.0 2.0 37.5 31.5 74.0 43.5 0.0 10.0 1.0 0.0 0.0 0.0 16.6 199.5 0 1999/ 0 0.3 68.5 254.5 123.5 151.5 118.0 23.5 23.5 0.0 0.0 0.0 0.0 63.6 763.3 0 2000/ 1 1.0 0.0 7.5 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [2.8] [8.5] 273 577 Tot Mean 12.3 30.0 58.2 94.9A 93.5 63.5 38.3 7.3 0.4 0.1 0.6 5.1A [32.3] [385.5] Mean Med. 4.5 20.0 43.3 72.0A 77.0 53.9 23.5 0.0 0.0 0.0 0.0 0.0A Med. Max 49.0 123.2 254.5 400.5A 237.0 201.2 148.0 79.5 9.5 3.5 16.3 51.0A [63.6] [763.3] Max Min 0.0 0.0 1.0 4.5A 8.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0A [0.1] [0.3] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 40 40 40 39 39 38 39 39 39 40 40 40 41 41 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded