Department of Water Affairs, Namibia HYMONTH V86 Output 28/07/2010 Site 0568817 Mariental Site 0568817.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 1948/49 [ ] 15.2 15.7 5.1 11.0 26.4 41.4 1.0 0.0 0.0 0.3 0.0 [10.6] [116.1] 31 1949/50 1.5 9.6 0.0 16.5 33.1 96.6 21.5 12.2 0.5 0.0 0.0 0.0 16.0 191.5 0 1950/51 0.0 2.8 14.2 7.4 68.7 3.3 9.1 0.0 0.0 0.0 0.0 0.0 8.8 105.5 0 1951/52 0.0 23.9 0.0 7.9 117.4 0.0 20.5 0.0 0.0 0.0 0.0 0.0 14.1 169.7 0 1952/53 7.1 28.6 0.0 32.2 141.5 19.5 48.5 0.0 0.0 0.0 0.0 0.5 23.2 277.9 0 1953/54 8.9 5.2 71.5 9.6 97.5 167.9 11.0 0.0 0.0 0.0 0.0 0.0 31.0 371.6 0 1954/55 3.0 8.0 11.0 61.3 29.7 64.0 20.0 5.0 22.5 0.0 0.0 0.0 18.7 224.5 0 1955/56 1.4 4.5 20.2 45.0 101.7 66.5 0.0 0.0 0.0 4.0 0.0 0.0 20.3 243.3 0 1956/57 6.0 10.0 27.5 44.5 7.5 59.7 3.3 3.5 0.0 1.0 0.0 3.5 13.9 166.5 0 1957/58 1.5 76.0 29.5 27.1 32.2 23.1 0.3 1.5 0.0 0.0 0.0 9.5 16.7 200.7 0 1958/59 0.0 0.0 6.5 13.0 40.0 10.0 3.0 1.0 5.5 0.0 0.4 0.0 6.6 79.4 0 1959/60 0.4 14.9 17.0 7.1 101.4 50.7 2.5 0.0 0.1 0.0 0.0 5.5 16.6 199.6 0 1960/61 0.2 14.5 1.5 25.9 58.5 4.3 51.1 0.6 8.8 0.0 0.0 7.8 14.4 173.2 0 1961/62 0.0 12.7 40.6 10.8 51.7 3.2 3.2 0.0 0.0 0.0 8.5 0.0 10.9 130.7 0 1962/63 12.1 1.1 5.9 138.8 11.7 72.1 46.5 12.6 0.0 4.3 0.0 0.8 25.5 305.9 0 1963/64 15.2 46.8 3.9 0.0 0.1 18.2 6.1 0.0 0.0 0.0 1.0 0.0 7.6 91.3 0 1964/65 7.9 7.6 9.2 12.0 12.0 47.8 33.2 0.0 0.0 0.0 0.0 8.9 11.6 138.6 0 1965/66 0.0 0.5 3.5 12.7 23.7 2.0 33.9 0.0 10.5 0.0 0.0 2.8 7.5 89.6 0 1966/67 12.0 0.0 18.7 15.8 47.0 53.5 0.0 5.0 0.0 0.0 0.0 0.0 12.7 152.0 0 1967/68 0.0 50.0 10.0 4.0 5.0 102.7 1.0 15.0 4.5 0.0 0.0 0.0 16.0 192.2 0 1968/69 1.0 71.0 10.0 9.0 119.5 43.8 5.6 2.5 0.0 0.0 0.0 0.0 21.9 262.4 0 1969/70 0.0 2.5 0.8 20.4 57.1 1.6 14.8 0.0 0.3 0.0 0.0 0.0 8.1 97.5 0 1970/71 [ ] [ ] 7.3 17.6 23.1 21.8 8.2 15.9 0.0 0.3 0.0 0.0 [9.4] [94.2] 61 1971/72 31.5 6.8 0.0 14.0 14.4 149.3 47.8 0.0 0.0 0.0 0.0 0.0 22.0 263.8 0 1972/73 3.0 20.4 0.0 1.8 43.9 62.7 8.8 0.0 0.0 1.1 1.0 0.0 11.9 142.7 0 1973/74 45.8 7.3 31.9 269.5 226.7 52.9 57.0 0.0 0.8 0.0 0.0 0.3 57.7 692.2 0 1974/75 13.2 15.2 17.5 5.5 34.9 161.8 1.3 5.6 0.0 0.0 0.0 0.0 21.3 255.0 0 1975/76 0.0 6.2 7.5 180.7 110.0 112.3 4.5 0.0 0.0 0.0 0.8 0.0 35.2 422.0 0 1976/77 9.8 0.0 10.0 15.4 246.0 45.6 18.6A 0.5 0.0 0.0 0.0 3.0 29.1A 348.9A 0 1977/78 2.7 1.6 20.2 31.2 150.6 14.7 27.0 0.0 0.0 0.0 0.0 0.0 20.7 248.0 0 1978/79 0.0 4.8 0.0 154.0 90.9 0.0 9.0A 0.0 26.0 4.0 0.0 0.0 24.1A 288.7A 0 1979/80 0.0 0.0 8.1 4.0 23.6 139.8 0.3 0.0 0.0 0.0 0.0 0.0 14.6 175.8 0 1980/81 0.2 12.1 8.3 8.4 13.0 3.0A 3.9 0.0 0.0 0.0 0.0 0.0 4.1A 48.9A 0 1981/82 0.8 0.0 0.0 8.0 36.2 15.4 20.5 7.4 1.2 0.0 0.0 1.0 7.5 90.5 0 1982/83 15.5 20.5 18.2 25.5 6.0 9.5 21.5 0.0 0.4 0.0 0.0 0.0 9.8 117.1 0 1251 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 28/07/2010 Site 0568817 Mariental Site 0568817.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 1983/84 16.0 19.6 47.0 0.5 13.0 64.6A 13.0 6.1 0.0 0.0 0.0 0.0 15.0A 179.8A 0 1984/85 9.0A 0.0 4.0 48.3 39.5 45.3 9.0 0.0 0.0 0.0 0.0 0.0 12.9A 155.1A 0 1985/86 7.3 36.5 29.5 14.1 34.5 25.0 26.5 0.0 0.0 0.0 0.0 0.0 14.4 173.4 0 1986/87 44.0 18.5 0.0 0.0 74.0 0.0 18.0 0.0 0.0 0.0 0.0 0.0 12.9 154.5 0 1987/88 22.0 4.5 4.5 142.0 78.0 12.5 0.0 0.0 0.0 0.0 0.0 0.0 22.0 263.5 0 1988/89 0.0 13.0 55.5 31.2 122.5 8.0 21.0 2.5 0.0 0.0 0.0 0.0 21.1 253.7 0 1989/90 0.0 0.0 0.0 15.0 25.2 9.2 10.5 0.0 0.0 0.0 0.0 0.0 5.0 59.9 0 1990/91 0.0 0.0 14.0 77.4 106.0 74.5 7.0 2.5 0.0 0.0 0.0 0.5 23.5 281.9 0 1991/92 0.0 26.0 0.0 0.0 15.0 40.5 1.0 0.0 0.0 0.0 0.0 0.0 6.9 82.5 0 1992/93 0.0 9.0 17.0 22.5 21.5 8.5 67.0 0.0 0.0 0.0 0.0 0.0 12.1 145.5 0 1993/94 11.5 10.0 2.5 59.5 39.0 0.0 0.0 0.0 2.0 0.0 0.0 0.0 10.4 124.5 0 1994/95 0.0 7.0 0.0 3.0 34.0 31.0 0.0 5.0 0.0 0.0 0.0 0.0 6.7 80.0 0 1995/96 0.0 0.0 8.0 3.0 18.0 10.0 6.5 0.0 0.0 4.0 0.0 0.0 4.1 49.5 0 1996/97 0.0 9.0 [ ] 75.5 20.0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [26.1] [104.5] 245 1997/98 [ ] [ ] [ ] [ ] [ ] 3.5 [ ] [ ] [ ] [ ] [ ] [ ] [3.5] [3.5] 334 1998/99 7.0 1.0 14.0 21.5 10.5 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [10.8] [54.0] 214 1999/ 0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1251 Tot Mean 6.6A 13.4 13.1 35.5 56.8 42.0A 16.3A 2.2 1.7 0.4 0.2 0.9 [15.8] [183.0] Mean Med. 1.5A 8.0 8.3 15.2 35.5 25.0A 9.1A 0.0 0.0 0.0 0.0 0.0 Med. Max 45.8A 76.0 71.5 269.5 246.0 167.9A 67.0A 15.9 26.0 4.3 8.5 9.5 [57.7] [692.2] Max Min 0.0A 0.0 0.0 0.0 0.1 0.0A 0.0A 0.0 0.0 0.0 0.0 0.0 [3.5] [3.5] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 48 49 49 50 50 49 48 48 48 48 48 48 51 51 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded