| Site ID: |
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1235 |
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Lat. |
-26.6332 |
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South
Africa |
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North
West |
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| River: |
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Harts |
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Long. |
25.5831 |
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| Site name: |
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Delareyville |
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Contributing
area: |
6085 |
km2 |
Ratio to Comparison
Station: |
0.36 |
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| Latest measurement: |
16-Nov-09 |
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Mean annual
runoff: |
113 |
mm |
(2003-2007) |
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| Hydrologic status: |
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3 |
Flood |
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Total runoff
this year: |
124 |
mm |
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| Latest M/C ratio: |
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1.17 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
45 |
m3/sec |
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Percent of
mean 7-day total: |
150.9 |
% |
(today's value compared to
mean for same period, 2003-2007) |
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| Ice-cover determination: |
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5 yr
recurrence flood: |
78 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
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88 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
de Hoop 65
(1159500) |
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Contributing
Area: |
7280 |
sq mi |
16866 |
sq km |
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| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
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| Notes: |
Rating equation is based
on monthly mean, maximum, and minimum M/C compared to gaging station
discharge values. |
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| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
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| (For U.S, sites, nearby ground station discharge may also be
shown) |
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2008-Present |
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2002-Present |
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| Annual |
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|
Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
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| Runoff |
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| (mm) |
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Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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| 57 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
8.7 |
11.5 |
13.3 |
12.3 |
11.2 |
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| 113 |
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2003 |
8.1 |
6.9 |
6.7 |
9.0 |
9.9 |
9.8 |
10.4 |
9.4 |
8.5 |
11.9 |
8.0 |
14.1 |
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| 94 |
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2004 |
4.8 |
6.9 |
6.0 |
8.0 |
7.6 |
8.7 |
8.4 |
9.9 |
9.6 |
9.3 |
9.5 |
5.1 |
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| 105 |
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2005 |
5.1 |
3.4 |
7.4 |
8.6 |
9.4 |
9.8 |
1.5 |
10.5 |
10.2 |
8.8 |
16.9 |
13.6 |
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| 135 |
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2006 |
8.6 |
7.0 |
18.7 |
16.9 |
17.4 |
13.9 |
15.2 |
10.5 |
13.6 |
13.2 |
0.0 |
0.0 |
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| 118 |
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2007 |
10.8 |
9.9 |
12.2 |
8.1 |
9.8 |
9.0 |
10.1 |
8.7 |
9.8 |
8.1 |
11.0 |
10.2 |
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| 124 |
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2008 |
11.2 |
10.7 |
13.3 |
11.7 |
10.3 |
8.8 |
10.2 |
9.4 |
9.2 |
10.0 |
9.1 |
10.0 |
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| 155 |
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2009 |
11.4 |
12.8 |
17.7 |
17.0 |
14.7 |
12.3 |
13.8 |
13.7 |
13.8 |
16.4 |
11.2 |
0.0 |
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| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
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