Site ID: 25 Lat. -15.2990 Australia Queensland
River: Mitchell Long. 141.8463
Site name: Sefton Contributing area: 62584 km2 Ratio to Comparison Station: 2.14
Latest measurement: 23-Jul-10 Mean annual runoff: 390 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 356.3 mm
Latest M/C ratio: 1.09 Seven day total: 3.0 mm
Estimated current discharge: 251 m3/sec Percent of mean 7-day total: 115.5 % (today's value compared to mean for same period, 2003-2009)
Ice-cover determination: 5 yr recurrence flood: 9029 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 8647 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Koolatah (5109200)           Contributing Area:   sq mi 29210 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes: Calibration to nearby ground station has been accomplished. Accuracy estimate:  Good
Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)
(For U.S, sites, nearby ground station discharge may also be shown)
Annual  Monthly Total Runoff (mm), computed from above satellite-based discharge data
Runoff
(mm) Jan Feb Mar April May June July Aug Sept Oct Nov Dec
36 2002 no data no data no data no data no data no data no data 5.4 3.9 3.0 2.7 21.3
204 2003 42.8 40.8 84.3 4.2 3.0 3.4 3.5 2.7 3.5 2.9 4.5 8.0
259 2004 56.2 90.8 67.1 8.8 2.7 3.7 6.2 3.5 4.8 2.7 2.6 9.5
194 2005 64.5 56.9 26.8 4.4 4.8 3.9 6.9 5.3 4.0 6.6 5.4 4.6
407 2006 48.9 110.2 81.8 88.4 40.9 12.9 7.9 8.8 4.6 2.8 0.0 0.0
404 2007 15.0 169.4 112.1 30.0 8.9 8.9 8.9 8.6 4.6 4.4 7.6 25.5
629 2008 136.9 149.8 183.6 57.5 16.1 8.4 13.1 8.8 4.9 5.0 4.0 40.8
633 2009 138.2 262.9 113.1 21.3 9.5 22.9 16.9 9.0 7.0 6.0 6.5 19.7
356 2010 90.5 111.8 79.0 40.5 16.0 13.3 5.0 0.0 0.0 0.0 0.0 0.0
Mean Annual Runoff (mm): 390 Standard Deviation: 185.8
Trend in Annual Runoff (slope):  80
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.
Explanation:   Green line records upwelling microwave emission from within 5 km radius of a calbration land target; blue line is emission from within 5 km radious of the measurement target centered over the river.
Brown line is their ratio (M/C; scale on right) and is used to estimate river discharge via a rating equation.
GoogleEarth View of Measurement Site
Return 25.jpg
Estimated
Discharge
Date m3/sec
22-Jul-02 62
23-Jul-02 62
24-Jul-02 62
25-Jul-02 62
26-Jul-02 62
27-Jul-02 62
28-Jul-02 62
29-Jul-02 117
30-Jul-02 103
31-Jul-02 109
1-Aug-02 109
2-Aug-02
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02 62
10-Aug-02 62
11-Aug-02 62
12-Aug-02 62
13-Aug-02 89
14-Aug-02 93
15-Aug-02 62
16-Aug-02 325
17-Aug-02 229
18-Aug-02 262
19-Aug-02 147
20-Aug-02 62
21-Aug-02 62
22-Aug-02 62
23-Aug-02 62
24-Aug-02 62
25-Aug-02 168
26-Aug-02 309
27-Aug-02 663
28-Aug-02 406
29-Aug-02 358
30-Aug-02 62
31-Aug-02 62
1-Sep-02 62
2-Sep-02 62
3-Sep-02 62
4-Sep-02 62
5-Sep-02 62
6-Sep-02 62
7-Sep-02 62
8-Sep-02 62
9-Sep-02 62
10-Sep-02 62
11-Sep-02 62
12-Sep-02 62
13-Sep-02 62
14-Sep-02 62
15-Sep-02
16-Sep-02
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02
22-Sep-02 495
23-Sep-02 495
24-Sep-02 123
25-Sep-02 123
26-Sep-02 62
27-Sep-02 62
28-Sep-02 321
29-Sep-02 192
30-Sep-02 91
1-Oct-02 62
2-Oct-02 62
3-Oct-02 62
4-Oct-02 62
5-Oct-02 62
6-Oct-02 62
7-Oct-02 62
8-Oct-02 62
9-Oct-02 62
10-Oct-02 62
11-Oct-02 62
12-Oct-02 62
13-Oct-02 62
14-Oct-02 62
15-Oct-02 62
16-Oct-02 62
17-Oct-02 62
18-Oct-02 62
19-Oct-02 62
20-Oct-02 62
21-Oct-02 62
22-Oct-02 62
23-Oct-02 62
24-Oct-02 62
25-Oct-02 62
26-Oct-02 62
27-Oct-02 62
28-Oct-02 62
29-Oct-02 174
30-Oct-02 194
31-Oct-02 85
1-Nov-02 138
2-Nov-02 62
3-Nov-02 62
4-Nov-02 62
5-Nov-02 62
6-Nov-02 62
7-Nov-02 62
8-Nov-02 62
9-Nov-02 62
10-Nov-02 62
11-Nov-02 62
12-Nov-02 62
13-Nov-02 62
14-Nov-02 62
15-Nov-02 62
16-Nov-02 62
17-Nov-02 62
18-Nov-02 62
19-Nov-02 62
20-Nov-02 62
21-Nov-02 62
22-Nov-02 62
23-Nov-02 62
24-Nov-02 62
25-Nov-02 62
26-Nov-02 62
27-Nov-02 62
28-Nov-02 62
29-Nov-02 62
30-Nov-02 62
1-Dec-02 62
2-Dec-02 386
3-Dec-02 725
4-Dec-02 303
5-Dec-02 161
6-Dec-02 62
7-Dec-02 62
8-Dec-02 715
9-Dec-02 517
10-Dec-02 729
11-Dec-02 354
12-Dec-02 114
13-Dec-02 291
14-Dec-02 291
15-Dec-02 643
16-Dec-02 393
17-Dec-02 529
18-Dec-02 265
19-Dec-02 62
20-Dec-02 62
21-Dec-02 62
22-Dec-02 62
23-Dec-02 62
24-Dec-02 62
25-Dec-02 62
26-Dec-02 62
27-Dec-02 167
28-Dec-02 400
29-Dec-02 2639
30-Dec-02 2639
31-Dec-02 2478
1-Jan-03 2478
2-Jan-03 62
3-Jan-03 62
4-Jan-03 62
5-Jan-03 62
6-Jan-03 62
7-Jan-03 62
8-Jan-03 62
9-Jan-03 62
10-Jan-03 514
11-Jan-03 946
12-Jan-03 1393
13-Jan-03 1594
14-Jan-03 1462
15-Jan-03 1462
16-Jan-03 1373
17-Jan-03 1188
18-Jan-03 1162
19-Jan-03 1422
20-Jan-03 1504
21-Jan-03 2211
22-Jan-03 2243
23-Jan-03 1914
24-Jan-03 1784
25-Jan-03 1376
26-Jan-03 944
27-Jan-03 774
28-Jan-03 592
29-Jan-03 200
30-Jan-03 973
31-Jan-03 973
1-Feb-03 751
2-Feb-03 672
3-Feb-03 586
4-Feb-03 548
5-Feb-03 573
6-Feb-03 554