Site ID: 1809 Lat. 57.1975 Canada 0
River: Stikine Long. -131.7858
Site name: 0 Contributing area: 38500 km2 Ratio to Comparison Station: 0.77
Latest measurement: 8-Jan-10 Mean annual runoff: 259 mm (2003-2007)
Hydrologic status: 2 Normal flow Total runoff this year: 291 mm
Latest M/C ratio: 0.96 Seven day total: 1 mm
Estimated current discharge: 134 m3/sec Percent of mean 7-day total: 100.0 % (today's value compared to mean for same period, 2003-2007)
Ice-cover determination: 5 yr recurrence flood: 1475 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood 1453 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Hughes, Alas. (4103500)         Contributing Area:   sq mi 50305 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes: Rating equation is based on comparison of summer monthly means from a station in the region; ice-covered constant discharge of 134 m3/sec is assumed.
Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)
(For U.S, sites, nearby ground station discharge may also be shown)
2008-Present
2002-Present
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
70 2002 no data no data no data no data no data no data no data 25.5 13.0 12.8 9.0 9.3
197 2003 9.3 8.4 9.3 9.0 14.0 33.2 40.1 21.5 20.0 14.5 7.9 9.3
204 2004 9.3 8.7 9.3 9.1 13.8 42.4 38.0 25.7 13.5 16.0 9.0 9.4
240 2005 9.3 8.4 9.3 9.0 20.7 47.0 6.7 47.9 49.4 13.6 9.0 9.3
304 2006 9.3 8.4 9.3 9.2 18.1 59.5 60.9 52.6 44.3 32.3 0.0 0.0
317 2007 9.3 8.4 9.3 9.3 13.5 54.2 65.4 62.1 54.2 13.6 9.0 8.7
291 2008 9.3 8.7 9.3 9.0 24.8 49.3 61.4 45.4 31.6 23.3 9.0 9.3
311 2009 9.3 8.4 9.3 9.0 11.7 65.9 67.9 50.8 48.4 11.4 9.0 9.3
Mean Annual Runoff: 259 Standard Deviation: 52
Trend in Annual Runoff (slope):  25.81
Discharge is estimated directly via a rating equation from the remote sensing data (M/C ratio) shown below.
Explanation:   Green line records upwelling microwave emission from a land parcel (ca 10 km x 10 km) near the river; blue line from a parcel 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.
Rating equations are being developed and applied on an individual basis. For calibration status, see "notes" entry, above.
When data above show calibration site values lower than for the measurement site, discharge estimation may not be possible.
GoogleEarth View of Measurement Site
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1809.jpg
Date m3/sec
22-Jul-02 616
23-Jul-02 616
24-Jul-02 742
25-Jul-02 729
26-Jul-02 503
27-Jul-02 426
28-Jul-02 389
29-Jul-02 409
30-Jul-02 476
31-Jul-02 508
1-Aug-02 576
2-Aug-02 691
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02 448
10-Aug-02 427
11-Aug-02 585
12-Aug-02 464
13-Aug-02 454
14-Aug-02 635
15-Aug-02 498
16-Aug-02 639
17-Aug-02 530
18-Aug-02 419
19-Aug-02 371
20-Aug-02 351
21-Aug-02 442
22-Aug-02 406
23-Aug-02 570
24-Aug-02 416
25-Aug-02 446
26-Aug-02 494
27-Aug-02 298
28-Aug-02 322
29-Aug-02 280
30-Aug-02 183
31-Aug-02 418
1-Sep-02 336
2-Sep-02 355
3-Sep-02 479
4-Sep-02 311
5-Sep-02 383
6-Sep-02 272
7-Sep-02 187
8-Sep-02 183
9-Sep-02 187
10-Sep-02 204
11-Sep-02 259
12-Sep-02 233
13-Sep-02 224
14-Sep-02 242
15-Sep-02 193
16-Sep-02 175
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02 137
22-Sep-02 137
23-Sep-02 151
24-Sep-02 157
25-Sep-02 148
26-Sep-02 150
27-Sep-02 138
28-Sep-02 144
29-Sep-02 196
30-Sep-02 207
1-Oct-02 184
2-Oct-02 134
3-Oct-02 150
4-Oct-02 134
5-Oct-02 134
6-Oct-02 134
7-Oct-02 851
8-Oct-02 271
9-Oct-02 159
10-Oct-02 142
11-Oct-02 134
12-Oct-02 134
13-Oct-02 134
14-Oct-02 134
15-Oct-02 494
16-Oct-02 159
17-Oct-02 136
18-Oct-02 200
19-Oct-02 138
20-Oct-02 135
21-Oct-02 142
22-Oct-02 159
23-Oct-02 213
24-Oct-02 171
25-Oct-02 141
26-Oct-02 134
27-Oct-02 134
28-Oct-02 134
29-Oct-02 134
30-Oct-02 134
31-Oct-02 134
1-Nov-02 134
2-Nov-02 134
3-Nov-02 134
4-Nov-02 134
5-Nov-02 134
6-Nov-02 134
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1-Jan-03 134
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30-May-03 687
31-May-03 205
1-Jun-03 305
2-Jun-03 258
3-Jun-03 249
4-Jun-03 445
5-Jun-03 170
6-Jun-03 227
7-Jun-03 138
8-Jun-03 263
9-Jun-03 580
10-Jun-03 358
11-Jun-03 446
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30-Jun-03 387
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31-Jul-03 716
1-Aug-03 743
2-Aug-03 690
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1-Sep-03 373
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