Department of Water Affairs, Namibia HYMONTH V86 Output 29/07/2010 Site 0614406 Omrah Site 0614406.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 1951/52 [ ] [ ] [ ] [ ] [ ] 0.0 0.0 0.0 8.1 0.0 0.0 0.0 [1.2] [8.1] 152 1952/53 12.7 17.3 0.8 29.7 15.7 48.0 33.9 0.0 0.0 0.0 0.0 0.0 13.2 158.1 0 1953/54 17.5 15.8 63.1 22.6 14.0 192.6 26.3 1.1 0.0 0.0 0.0 0.0 29.4 353.0 0 1954/55 4.4 6.9 41.3 64.6 32.9 30.7 6.0 0.0 8.0 0.0 0.0 0.0 16.2 194.8 0 1955/56 4.5 51.7 21.1 32.7 94.9 44.4 10.9 0.0 0.0 0.0 0.0 0.0 21.7 260.2 0 1956/57 3.1 15.1 4.2 27.1 24.6 27.2 0.0 9.5 0.0 0.0 0.0 23.0 11.2 133.8 0 1957/58 26.5 3.1 47.2 49.5 8.0 9.3 2.0 0.0 0.0 0.0 0.0 0.0 12.1 145.6 0 1958/59 0.0 0.0 1.0 31.1 55.5 1.5 0.0 0.0 3.3 0.0 0.0 0.0 7.7 92.4 0 1959/60 0.0 0.0 10.7 6.5 37.2 63.2 4.5 8.0 0.0 0.0 0.0 0.0 10.8 130.1 0 1960/61 0.5 43.0 0.0 0.0 12.5 4.5 28.2 39.0 24.0 0.6 0.0 0.0 12.7 152.3 0 1961/62 0.0 15.9 36.0 4.5 39.8 14.5 7.5 0.0 0.0 0.0 10.5 0.0 10.7 128.7 0 1962/63 22.8 11.5 6.0 75.9 0.7 23.8 26.8 7.0 1.0 0.0 0.0 0.1 14.6 175.6 0 1963/64 24.1 29.0 8.7 0.7 5.5 0.0 0.0 0.0 0.0 0.0 0.2 0.0 5.7 68.2 0 1964/65 0.3 0.0 6.0 8.8 44.0 32.4 38.0 0.0 0.0 0.0 0.0 1.7 10.9 131.2 0 1965/66 0.0 0.7 0.0 16.5 29.0 21.0 5.0 0.0 5.5 0.0 0.0 11.5 7.4 89.2 0 1966/67 4.5 0.0 30.0 41.0 63.0 27.0 18.5 20.0 0.0 0.0 0.0 0.0 17.0 204.0 0 1967/68 0.2 47.5 31.0 13.0 14.0 99.7 4.0 63.0 12.5 0.0 0.0 0.0 23.7 284.9 0 1968/69 24.0 45.5 0.0 1.0 78.0 3.0 17.0 13.0 0.0 0.0 0.0 0.0 15.1 181.5 0 1969/70 0.0 0.0 0.0 17.0 21.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.2 38.5 0 1970/71 15.0 0.0 14.0 6.5 74.5 24.5 3.5 44.5 0.0 0.0 0.0 0.0 15.2 182.5 0 1971/72 15.5 36.0 0.0 89.7A 0.0 153.2 47.0 0.0 0.0 0.0 0.0 0.0 28.5A 341.4A 0 1972/73 1.0 27.0 0.0 2.0 63.0 64.5 0.0 0.0 0.0 0.0 0.0 0.0 13.1 157.5 0 1973/74 13.5 0.0 36.5 169.5 155.5 52.5 72.5 0.0 0.0 0.0 0.0 0.0 41.7 500.0 0 1974/75 14.0 17.5 10.0 6.5 5.0 159.5 26.0 0.0 0.0 0.0 0.0 0.0 19.9 238.5 0 1975/76 0.0 4.5 28.0 104.5 229.5 116.0 50.5 0.0 0.0 0.0 0.0 0.0 44.4 533.0 0 1976/77 6.0 0.0 10.0 7.5 77.0 37.0 52.2 4.0 0.0 0.0 0.0 0.0 16.1 193.7 0 1977/78 13.0 23.0 6.5 20.5 54.5 45.5 8.0 0.0 0.0 0.0 0.0 0.0 14.3 171.0 0 1978/79 0.0 0.0 15.0 128.5 97.5 9.0 37.5 5.0 4.0 0.0 0.0 0.0 24.7 296.5 0 1979/80 19.0 49.5 4.5 12.5 19.0 22.0 0.0 0.0 0.0 0.0 0.0 25.0 12.6 151.5 0 1980/81 5.0 0.0 0.0 0.0 15.5 15.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 35.5 0 1981/82 0.0 0.0 0.0 16.0 17.0 9.0 16.0 0.0 0.0 0.0 0.0 15.5 6.1 73.5 0 1982/83 53.0 17.0 68.5 24.0A 3.0A 13.5 12.0 24.5 3.5 0.0 0.0 0.0 18.3A 219.0A 0 1983/84 9.0 26.5 110.0 0.0 22.0 30.0 59.0 14.0 0.0 0.0 0.0 0.0 22.5 270.5 0 1984/85 8.0 8.0 0.0 0.0 8.5 35.5 0.0 0.0 0.0 0.0 0.0 0.0 5.0 60.0 0 1985/86 13.5 29.0 28.5 3.0 28.0 8.5 4.0 0.0 0.0 4.0 0.0 0.0 9.9 118.5 0 974 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 0614406 Omrah Site 0614406.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 1986/87 11.5 9.5 3.5 0.0 131.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 13.4 160.5 0 1987/88 6.5 41.5 0.0 37.5 41.5 32.5 30.0 0.0 0.0 0.0 0.0 10.0 16.6 199.5 0 1988/89 0.0 2.0 38.0 41.5 79.0 0.0 8.0 0.0 0.0 0.0 0.0 0.0 14.0 168.5 0 1989/90 0.0 0.0 0.0 15.0 5.0 9.5 32.0 0.0 0.0 0.0 0.0 0.0 5.1 61.5 0 1990/91 0.0 13.5 7.5 129.0 99.0 64.0 0.0 0.0 0.0 0.0 0.0 78.5 32.6 391.5 0 1991/92 28.0 48.5 32.0 0.0 1.2 11.0 4.0 32.5 0.0 0.0 0.0 4.0 13.4 161.2 0 1992/93 2.5 13.0 17.0 32.5 49.5 31.0 82.5 0.0 0.0 0.0 0.0 0.0 19.0 228.0 0 1993/94 10.0 31.5 18.5 25.0 95.0 0.0 7.0 0.0 0.0 0.0 0.0 [ ] [17.0] [187.0] 30 1994/95 [ ] [ ] [ ] 18.0 13.5 7.5 0.0 0.0 0.0 0.0 0.0 0.0 [4.3] [39.0] 92 1995/96 2.8 0.0 25.0 106.0 4.5 0.0 4.5 0.0 0.0 16.0 0.0 0.0 13.2 158.8 0 1996/97 0.0 0.0 74.0 [ ] 0.0 15.0 20.0A 0.0 [ ] [ ] [ ] 8.0 [14.6] [117.0] 123 1997/98 0.0 0.0 9.5 64.0 3.5 35.0 0.0 0.0 0.0 0.0 0.0 3.0 9.6 115.0 0 1998/99 10.0 6.0 10.0 20.0 [ ] [ ] [ ] 16.0 [ ] [ ] [ ] [ ] [12.4] [62.0] 211 1999/ 0 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 974 Tot Mean 8.7 15.4 19.0 33.1A 43.1A 35.0 17.2A 6.3 1.5 0.4 0.2 3.9 [15.1] [177.5] Mean Med. 4.8 10.5 10.0 19.0A 26.3A 23.8 7.5A 0.0 0.0 0.0 0.0 0.0 Med. Max 53.0 51.7 110.0 169.5A 229.5A 192.6 82.5A 63.0 24.0 16.0 10.5 78.5 [44.4] [533.0] Max Min 0.0 0.0 0.0 0.0A 0.0A 0.0 0.0A 0.0 0.0 0.0 0.0 0.0 [1.2] [8.1] Min OK 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 46 46 46 46 46 47 47 48 46 46 46 46 48 48 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... A ... Accumulated Data [ ] Data Not Recorded