Site ID: 1101 Lat. -10.2077 Peru 0
River: Ucayali Long. -74.0472
Site name: 0 Contributing area: 198600 km2 Ratio to Comparison Station: 7.03
Latest measurement: 21-Jul-10 Mean annual runoff: 101 mm (2003-2009)
Hydrologic status: 2 Normal flow Total runoff this year (2010): 84.2 mm
Latest M/C ratio: 1.26 Seven day total: 2.1 mm
Estimated current discharge: 628 m3/sec Percent of mean 7-day total: 94.9 % (today's value compared to mean for same period, 2003-2009)
5 yr recurrence flood: 2074 m3/sec (from Log Pearson III analysis)
Status Codes:  1 = Low flow or ice, 2 = Normal flow, 3 = Flood, 4 = Major Flood 2024 m3/sec (from Gumbel Extreme Value analysis)
Comparison Station Information:  Boluo (2186950)           Contributing Area:   sq mi 28239 sq km
(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)
Notes: Final calibration to discharge has not yet been accomplished.
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
32 2002 no data no data no data no data no data no data no data 6.9 6.2 6.4 6.1 6.3
60 2003 7.5 4.2 7.8 5.0 5.4 4.7 4.6 4.7 4.0 4.0 3.1 4.8
39 2004 3.7 6.5 3.0 3.0 4.7 1.4 2.1 1.7 2.5 4.7 2.5 3.7
94 2005 2.8 1.6 9.7 9.4 8.8 6.8 6.1 10.1 8.1 11.7 9.6 9.4
113 2006 12.6 9.8 9.4 10.6 12.8 11.7 11.4 11.5 11.4 11.6 0.0 0.0
139 2007 13.2 11.3 13.6 12.0 11.7 11.5 11.5 11.4 12.8 11.5 8.2 9.7
129 2008 12.2 10.6 11.9 11.5 10.8 9.0 10.9 11.1 10.4 10.4 10.9 9.9
131 2009 12.3 9.4 11.4 8.1 11.5 11.6 11.6 11.5 10.7 11.5 11.5 9.7
84 2010 17.1 12.8 12.7 9.8 11.5 11.3 9.0 0.0 0.0 0.0 0.0 0.0
Mean Annual Runoff (mm): 101 Standard Deviation: 6.4
Trend in Annual Runoff (slope):  -73
Discharge is estimated via a rating equation directly from the remote sensing data (M/C ratio) shown below.
Green line records upwelling microwave emission from within 5 km radius of a calbration land target. 
Explanation:   Blue line is emission from within 5 km radius of the measurement target centered over the river.
Brown line is their ratio (M/C; "HR" in Brakenridge et al 2007; 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 using available ground-based discharge information.
GoogleEarth View of Measurement Site
Return
Estimated
Disharge
Data
Date m3/sec
22-Jul-02 614
23-Jul-02 614
24-Jul-02 717
25-Jul-02 702
26-Jul-02 961
27-Jul-02 416
28-Jul-02 416
29-Jul-02 3
30-Jul-02 130
31-Jul-02 221
1-Aug-02 221
2-Aug-02 1041
3-Aug-02
4-Aug-02
5-Aug-02
6-Aug-02
7-Aug-02
8-Aug-02
9-Aug-02
10-Aug-02 1289
11-Aug-02 1289
12-Aug-02 1010
13-Aug-02 1010
14-Aug-02 530
15-Aug-02 664
16-Aug-02 623
17-Aug-02 660
18-Aug-02 832
19-Aug-02 736
20-Aug-02 736
21-Aug-02 545
22-Aug-02 628
23-Aug-02 440
24-Aug-02 304
25-Aug-02 289
26-Aug-02 272
27-Aug-02 315
28-Aug-02 692
29-Aug-02 692
30-Aug-02 448
31-Aug-02 596
1-Sep-02 580
2-Sep-02 722
3-Sep-02 956
4-Sep-02 975
5-Sep-02 975
6-Sep-02 778
7-Sep-02 921
8-Sep-02 692
9-Sep-02 619
10-Sep-02 623
11-Sep-02 226
12-Sep-02 205
13-Sep-02 366
14-Sep-02 366
15-Sep-02 735
16-Sep-02 735
17-Sep-02
18-Sep-02
19-Sep-02
20-Sep-02
21-Sep-02
22-Sep-02 564
23-Sep-02 257
24-Sep-02 150
25-Sep-02 304
26-Sep-02 223
27-Sep-02 541
28-Sep-02 869
29-Sep-02 462
30-Sep-02 462
1-Oct-02 134
2-Oct-02 463
3-Oct-02 705
4-Oct-02 480
5-Oct-02 604
6-Oct-02 159
7-Oct-02 159
8-Oct-02 251
9-Oct-02 413
10-Oct-02 493
11-Oct-02 593
12-Oct-02 710
13-Oct-02 581
14-Oct-02 628
15-Oct-02 174
16-Oct-02 174
17-Oct-02 3
18-Oct-02 257
19-Oct-02 395
20-Oct-02 444
21-Oct-02 683
22-Oct-02 820
23-Oct-02 820
24-Oct-02 934
25-Oct-02 914
26-Oct-02 542
27-Oct-02 606
28-Oct-02 558
29-Oct-02 354
30-Oct-02 526
31-Oct-02 191
1-Nov-02 191
2-Nov-02 3
3-Nov-02 3
4-Nov-02 3
5-Nov-02 3
6-Nov-02 562
7-Nov-02 642
8-Nov-02 642
9-Nov-02 3
10-Nov-02 415
11-Nov-02 465
12-Nov-02 443
13-Nov-02 630
14-Nov-02 447
15-Nov-02 389
16-Nov-02 755
17-Nov-02 755
18-Nov-02 689
19-Nov-02 669
20-Nov-02 447
21-Nov-02 371
22-Nov-02 423
23-Nov-02 617
24-Nov-02 617
25-Nov-02 936
26-Nov-02 830
27-Nov-02 545
28-Nov-02 565
29-Nov-02 472
30-Nov-02 548
1-Dec-02 737
2-Dec-02 582
3-Dec-02 582
4-Dec-02 344
5-Dec-02 473
6-Dec-02 554
7-Dec-02 709
8-Dec-02 891
9-Dec-02 1032
10-Dec-02 1032
11-Dec-02 722
12-Dec-02 806
13-Dec-02 426
14-Dec-02 614
15-Dec-02 680
16-Dec-02 327
17-Dec-02 547
18-Dec-02 8
19-Dec-02 8
20-Dec-02 3
21-Dec-02 257
22-Dec-02 350
23-Dec-02 260
24-Dec-02 474
25-Dec-02 120
26-Dec-02 120
27-Dec-02 112
28-Dec-02 333
29-Dec-02 411
30-Dec-02 405
31-Dec-02 521
1-Jan-03 643
2-Jan-03 778
3-Jan-03 954
4-Jan-03 954
5-Jan-03 312
6-Jan-03 600
7-Jan-03 534
8-Jan-03 658
9-Jan-03 1065
10-Jan-03 1020
11-Jan-03 1020
12-Jan-03 557
13-Jan-03 549
14-Jan-03 888
15-Jan-03 832
16-Jan-03 1135
17-Jan-03 718
18-Jan-03 100
19-Jan-03 3
20-Jan-03 3
21-Jan-03 76
22-Jan-03 334
23-Jan-03 493
24-Jan-03 602
25-Jan-03 858
26-Jan-03 348
27-Jan-03 348
28-Jan-03 38
29-Jan-03 250
30-Jan-03 291
31-Jan-03 246
1-Feb-03 273
2-Feb-03 95
3-Feb-03 130
4-Feb-03 218
5-Feb-03 218
6-Feb-03 159
7-Feb-03 133
8-Feb-03 59
9-Feb-03 244
10-Feb-03 352
11-Feb-03 466
12-Feb-03 466
13-Feb-03 40
14-Feb-03 350
15-Feb-03 299
16-Feb-03 473
17-Feb-03 741
18-Feb-03 455
19-Feb-03 609
20-Feb-03 3
21-Feb-03 3
22-Feb-03 3
23-Feb-03 121
24-Feb-03 343
25-Feb-03 496
26-Feb-03 767
27-Feb-03 1107
28-Feb-03 1107
1-Mar-03 627
2-Mar-03 578
3-Mar-03 175
4-Mar-03 219
5-Mar-03 310
6-Mar-03 370
7-Mar-03 506
8-Mar-03 790
9-Mar-03 790
10-Mar-03 433
11-Mar-03 565
12-Mar-03 385
13-Mar-03 614
14-Mar-03 974
15-Mar-03 976
16-Mar-03 976
17-Mar-03 248
18-Mar-03 466
19-Mar-03 246
20-Mar-03 454
21-Mar-03 721
22-Mar-03 747
23-Mar-03 1050
24-Mar-03 690
25-Mar-03 690
26-Mar-03 446
27-Mar-03 610
28-Mar-03 721
29-Mar-03 505
30-Mar-03 508
31-Mar-03 433
1-Apr-03 433
2-Apr-03 326
3-Apr-03 608
4-Apr-03 520
5-Apr-03 510
6-Apr-03 841
7-Apr-03 363
8-Apr-03 404
9-Apr-03 353
10-Apr-03 353
11-Apr-03 198
12-Apr-03 329