Country=	South_Africa
Station=	Vioolsdrif
River=	Orange
Area=	850530 km2
Lat=	-28.71
Lon=	17.51
Source=	RivDIS
PointID=	1459
Area Units=	km2
Discharge Units=	m3/sec
Starting Year=	1964
Ending Year=	1986
Total Years=	23
Total Usable Years=	20

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1964	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	182	340	124	-9999
1965	277	153	70.7	26.9	116	23.2	41.4	69.8	68.7	41.9	60	60.3	84.08
1966	271	927	135	18.3	19.2	13.5	7.05	1.93	-9999	0.23	0	24.1	-9999
1967	162	2105	684	1055	487	433	176	52.1	36.6	21.1	51.5	126	449.11
1968	30.2	3.87	15.7	195	223	136	35.3	29.6	4.62	14.7	2.12	119	67.43
1969	33.6	0.34	409	542	111	84	35.8	8.51	0.4	0	194	15.9	119.55
1970	31.8	104	37	9.94	0	0	0	0	0	6.29	110	66.1	30.43
1971	86.7	102	35.8	57.9	33.6	26.9	-9999	18.5	56	57.7	53.6	49.6	-9999
1972	123	100	742	726	205	279	209	117	96.5	91.2	188	143	251.64
1973	37.4	33.3	60	72.7	49	53.3	60.7	44.1	40	-9999	29.6	53.1	-9999
1974	113	754	-9999	-9999	-9999	318	192	342	330	209	163	276	-9999
1975	395	635	-9999	401	-9999	170	138	133	90.1	154	175	438	-9999
1976	1001	-9999	274	-9999	-9999	478	252	160	74.6	186	430	451	-9999
1977	242	589	404	279	202	101	111	168	134	109	223	-9999	-9999
1978	93	424	288	292	381	108	157	208	202	204	195	173	227.08
1979	214	195	195	61.4	90.7	71.8	71.4	67.1	37	55.8	68.2	55.3	98.56
1980	97	108	128	88.7	50	105	109	106	57.3	74.4	58.7	64.7	87.23
1981	58.8	131	175	142	-9999	167	158	-9999	150	149	131	120	-9999
1982	-9999	128	144	140	137	49	96.2	-9999	31.9	44.4	22.2	50	-9999
1983	33.7	32	49.5	46.3	20.6	48	-9999	38	18.7	79.1	-9999	87.4	-9999
1984	57	30.5	27.8	90.7	50.4	-9999	-9999	15.2	18.8	8.46	34.6	26.7	-9999
1985	31.7	23.7	40.3	39.3	30.5	40.6	34.2	-9999	22.6	-9999	39.4	75	-9999
1986	55.4	138	140	66.1	61.3	53.5	71.5	64.6	67.4	-9999	-9999	-9999	-9999

Avg	164.01	319.84	202.74	217.51	125.96	131.37	102.92	86.5	73.2	84.41	122.33	123.72	157.23

Std Dev	211.99	478.14	205.52	267.12	128.26	132.09	70.79	84.51	76.49	70.48	110.15	119.12	123.94