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Data Anomalies at USGS Site 01651000
March 2005
NW Branch Anacostia River near Hyattsville, MD

State standards:   Temperature <= 32.2°C   Turbidity <= 150 NTU   6.5 <= pH <=8.5

Parameter Date Value
pH 2005-03-18 16:45 8.6
pH 2005-03-18 17:00 8.6
pH 2005-03-18 17:15 8.6
pH 2005-03-18 17:30 8.6
pH 2005-03-18 17:45 8.6
pH 2005-03-18 18:00 8.6
pH 2005-03-18 18:15 8.6
pH 2005-03-18 18:30 8.6
pH 2005-03-18 18:45 8.6
pH 2005-03-19 17:30 8.6
pH 2005-03-19 17:45 8.6
pH 2005-03-19 18:00 8.6
pH 2005-03-19 18:15 8.6
pH 2005-03-19 18:30 8.6
pH 2005-03-19 18:45 8.6
pH 2005-03-19 19:00 8.6
pH 2005-03-19 19:15 8.6
Turbidity 2005-03-23 07:00 170
Turbidity 2005-03-23 07:15 170
Turbidity 2005-03-23 07:30 260
Turbidity 2005-03-23 07:45 220
Turbidity 2005-03-23 08:00 240
Turbidity 2005-03-23 08:15 240
Turbidity 2005-03-23 08:30 230
Turbidity 2005-03-23 08:45 240
Turbidity 2005-03-23 09:00 190
Turbidity 2005-03-23 09:15 220
Turbidity 2005-03-23 09:30 210
Turbidity 2005-03-23 09:45 210
Turbidity 2005-03-23 10:00 180
Turbidity 2005-03-23 10:15 180
Turbidity 2005-03-23 10:30 190
Turbidity 2005-03-23 10:45 170
Turbidity 2005-03-23 11:00 160
Turbidity 2005-03-23 11:15 250
Turbidity 2005-03-23 11:30 240
Turbidity 2005-03-23 11:45 270
Turbidity 2005-03-23 12:00 270
Turbidity 2005-03-23 12:15 300
Turbidity 2005-03-23 12:30 540
Turbidity 2005-03-23 12:45 380
Turbidity 2005-03-23 13:00 360
Turbidity 2005-03-23 13:15 340
Turbidity 2005-03-23 13:30 290
Turbidity 2005-03-23 13:45 320
Turbidity 2005-03-23 14:00 310
Turbidity 2005-03-23 14:15 260
Turbidity 2005-03-23 14:30 280
Turbidity 2005-03-23 14:45 290
Turbidity 2005-03-23 15:00 280
Turbidity 2005-03-23 15:15 315
Turbidity 2005-03-23 15:30 350
Turbidity 2005-03-23 15:45 335
Turbidity 2005-03-23 16:00 320
Turbidity 2005-03-23 16:15 310
Turbidity 2005-03-23 16:30 380
Turbidity 2005-03-23 16:45 300
Turbidity 2005-03-23 17:00 370
Turbidity 2005-03-23 17:15 360
Turbidity 2005-03-23 17:30 790
Turbidity 2005-03-23 17:45 380
Turbidity 2005-03-23 18:00 380
Turbidity 2005-03-23 18:15 380
Turbidity 2005-03-23 18:30 380
Turbidity 2005-03-23 18:45 405
Turbidity 2005-03-23 19:00 430
Turbidity 2005-03-23 19:15 420
Turbidity 2005-03-23 19:30 440
Turbidity 2005-03-23 19:45 400
Turbidity 2005-03-23 20:00 423.3333
Turbidity 2005-03-23 20:15 446.6667
Turbidity 2005-03-23 20:30 470
Turbidity 2005-03-23 20:45 550
Turbidity 2005-03-23 21:00 680
Turbidity 2005-03-23 21:15 600
Turbidity 2005-03-23 21:30 640
Turbidity 2005-03-23 21:45 630
Turbidity 2005-03-23 22:00 680
Turbidity 2005-03-23 22:15 710
Turbidity 2005-03-23 22:30 710
Turbidity 2005-03-23 22:45 710
Turbidity 2005-03-23 23:00 730
Turbidity 2005-03-23 23:15 770
Turbidity 2005-03-23 23:30 760
Turbidity 2005-03-23 23:45 800
Turbidity 2005-03-23 24:00 790
Turbidity 2005-03-24 00:15 780
Turbidity 2005-03-24 00:30 740
Turbidity 2005-03-24 00:45 750
Turbidity 2005-03-24 01:00 750
Turbidity 2005-03-24 01:15 740
Turbidity 2005-03-24 01:30 730
Turbidity 2005-03-24 01:45 720
Turbidity 2005-03-24 02:00 740
Turbidity 2005-03-24 02:15 710
Turbidity 2005-03-24 02:30 710
Turbidity 2005-03-24 02:45 690
Turbidity 2005-03-24 03:00 660
Turbidity 2005-03-24 03:15 640
Turbidity 2005-03-24 03:30 640
Turbidity 2005-03-24 03:45 640
Turbidity 2005-03-24 04:00 610
Turbidity 2005-03-24 04:15 630
Turbidity 2005-03-24 04:30 610
Turbidity 2005-03-24 04:45 600
Turbidity 2005-03-24 05:00 590
Turbidity 2005-03-24 05:15 590
Turbidity 2005-03-24 05:30 580
Turbidity 2005-03-24 05:45 580
Turbidity 2005-03-24 06:00 570
Turbidity 2005-03-24 06:15 560
Turbidity 2005-03-24 06:30 550
Turbidity 2005-03-24 06:45 550
Turbidity 2005-03-24 07:00 550
Turbidity 2005-03-24 07:15 540
Turbidity 2005-03-24 07:30 530
Turbidity 2005-03-24 07:45 530
Turbidity 2005-03-24 08:00 520
Turbidity 2005-03-24 08:15 520
Turbidity 2005-03-24 08:30 520
Turbidity 2005-03-24 08:45 510
Turbidity 2005-03-24 09:00 500
Turbidity 2005-03-24 09:15 500
Turbidity 2005-03-24 09:30 490
Turbidity 2005-03-24 09:45 510
Turbidity 2005-03-24 10:00 500
Turbidity 2005-03-24 10:15 490
Turbidity 2005-03-24 10:30 490
Turbidity 2005-03-24 10:45 480
Turbidity 2005-03-24 11:00 480
Turbidity 2005-03-24 11:15 470
Turbidity 2005-03-24 11:30 450
Turbidity 2005-03-24 11:45 450
Turbidity 2005-03-24 12:00 450
Turbidity 2005-03-24 12:15 450
Turbidity 2005-03-24 12:30 440
Turbidity 2005-03-24 12:45 430
Turbidity 2005-03-24 13:00 440
Turbidity 2005-03-24 13:15 430
Turbidity 2005-03-24 13:30 430
Turbidity 2005-03-24 13:45 420
Turbidity 2005-03-24 14:00 420
Turbidity 2005-03-24 14:15 410
Turbidity 2005-03-24 14:30 410
Turbidity 2005-03-24 14:45 410
Turbidity 2005-03-24 15:00 400
Turbidity 2005-03-24 15:15 400
Turbidity 2005-03-24 15:30 400
Turbidity 2005-03-24 15:45 390
Turbidity 2005-03-24 16:00 390
Turbidity 2005-03-24 16:15 380
Turbidity 2005-03-24 16:30 390
Turbidity 2005-03-24 16:45 390
Turbidity 2005-03-24 17:00 390
Turbidity 2005-03-24 17:15 400
Turbidity 2005-03-24 17:30 400
Turbidity 2005-03-24 17:45 400
Turbidity 2005-03-24 18:00 400
Turbidity 2005-03-24 18:15 400
Turbidity 2005-03-24 18:30 390
Turbidity 2005-03-24 18:45 390
Turbidity 2005-03-24 19:00 380
Turbidity 2005-03-24 19:15 370
Turbidity 2005-03-24 19:30 370
Turbidity 2005-03-24 19:45 360
Turbidity 2005-03-24 20:00 360
Turbidity 2005-03-24 20:15 360
Turbidity 2005-03-24 20:30 350
Turbidity 2005-03-24 20:45 350
Turbidity 2005-03-24 21:00 340
Turbidity 2005-03-24 21:15 340
Turbidity 2005-03-24 21:30 340
Turbidity 2005-03-24 21:45 340
Turbidity 2005-03-24 22:00 340
Turbidity 2005-03-24 22:15 340
Turbidity 2005-03-24 22:30 330
Turbidity 2005-03-24 22:45 330
Turbidity 2005-03-24 23:00 330
Turbidity 2005-03-24 23:15 320
Turbidity 2005-03-24 23:30 320
Turbidity 2005-03-24 23:45 320
Turbidity 2005-03-24 24:00 320
Turbidity 2005-03-25 00:15 320
Turbidity 2005-03-25 00:30 320
Turbidity 2005-03-25 00:45 310
Turbidity 2005-03-25 01:00 310
Turbidity 2005-03-25 01:15 310
Turbidity 2005-03-25 01:30 310
Turbidity 2005-03-25 01:45 310
Turbidity 2005-03-25 02:00 310
Turbidity 2005-03-25 02:15 300
Turbidity 2005-03-25 02:30 300
Turbidity 2005-03-25 02:45 310
Turbidity 2005-03-25 03:00 300
Turbidity 2005-03-25 03:15 300
Turbidity 2005-03-25 03:30 300
Turbidity 2005-03-25 03:45 300
Turbidity 2005-03-25 04:00 300
Turbidity 2005-03-25 04:15 300
Turbidity 2005-03-25 04:30 290
Turbidity 2005-03-25 04:45 290
Turbidity 2005-03-25 05:00 290
Turbidity 2005-03-25 05:15 290
Turbidity 2005-03-25 05:30 290
Turbidity 2005-03-25 05:45 290
Turbidity 2005-03-25 06:00 290
Turbidity 2005-03-25 06:15 290
Turbidity 2005-03-25 06:30 290
Turbidity 2005-03-25 06:45 290
Turbidity 2005-03-25 07:00 280
Turbidity 2005-03-25 07:15 280
Turbidity 2005-03-25 07:30 280
Turbidity 2005-03-25 07:45 280
Turbidity 2005-03-25 08:00 300
Turbidity 2005-03-25 08:15 300
Turbidity 2005-03-25 08:30 300
Turbidity 2005-03-25 08:45 300
Turbidity 2005-03-25 09:00 300
Turbidity 2005-03-25 09:15 300
Turbidity 2005-03-25 09:30 300
Turbidity 2005-03-25 09:45 290
Turbidity 2005-03-25 10:00 300
Turbidity 2005-03-25 10:15 300
Turbidity 2005-03-25 10:30 290
Turbidity 2005-03-25 10:45 290
Turbidity 2005-03-25 11:00 236
Turbidity 2005-03-25 11:15 182
Turbidity 2005-03-28 11:45 170
Turbidity 2005-03-28 12:00 260
Turbidity 2005-03-28 12:15 220
Turbidity 2005-03-28 12:30 220
Turbidity 2005-03-28 12:45 230
Turbidity 2005-03-28 13:00 220
Turbidity 2005-03-28 13:15 220
Turbidity 2005-03-28 13:30 220
Turbidity 2005-03-28 13:45 220
Turbidity 2005-03-28 14:00 270
Turbidity 2005-03-28 14:15 210
Turbidity 2005-03-28 14:30 190
Turbidity 2005-03-28 14:45 190
Turbidity 2005-03-28 15:00 190
Turbidity 2005-03-28 15:15 180
Turbidity 2005-03-28 15:30 180
Turbidity 2005-03-28 15:45 180
Turbidity 2005-03-28 16:00 200
Turbidity 2005-03-28 16:15 210
Turbidity 2005-03-28 16:30 220
Turbidity 2005-03-28 16:45 280
Turbidity 2005-03-28 17:00 280
Turbidity 2005-03-28 17:15 345
Turbidity 2005-03-28 17:30 410
Turbidity 2005-03-28 17:45 300
Turbidity 2005-03-28 18:00 330
Turbidity 2005-03-28 18:15 360
Turbidity 2005-03-28 18:30 365
Turbidity 2005-03-28 18:45 370
Turbidity 2005-03-28 19:00 425
Turbidity 2005-03-28 19:15 480
Turbidity 2005-03-28 19:30 360
Turbidity 2005-03-28 19:45 410
Turbidity 2005-03-28 20:00 420
Turbidity 2005-03-28 20:15 460
Turbidity 2005-03-28 20:30 420
Turbidity 2005-03-28 20:45 410
Turbidity 2005-03-28 21:00 460
Turbidity 2005-03-28 21:15 430
Turbidity 2005-03-28 21:30 450
Turbidity 2005-03-28 21:45 430
Turbidity 2005-03-28 22:00 410
Turbidity 2005-03-28 22:15 385
Turbidity 2005-03-28 22:30 360
Turbidity 2005-03-28 22:45 360
Turbidity 2005-03-28 23:00 340
Turbidity 2005-03-28 23:15 340
Turbidity 2005-03-28 23:30 320
Turbidity 2005-03-28 23:45 330
Turbidity 2005-03-28 24:00 320
Turbidity 2005-03-29 00:15 330
Turbidity 2005-03-29 00:30 300
Turbidity 2005-03-29 00:45 280
Turbidity 2005-03-29 01:00 250
Turbidity 2005-03-29 01:15 240
Turbidity 2005-03-29 01:30 250
Turbidity 2005-03-29 01:45 230
Turbidity 2005-03-29 02:00 260
Turbidity 2005-03-29 02:15 260
Turbidity 2005-03-29 02:30 260
Turbidity 2005-03-29 02:45 260
Turbidity 2005-03-29 03:00 270
Turbidity 2005-03-29 03:15 270
Turbidity 2005-03-29 03:30 270
Turbidity 2005-03-29 03:45 270
Turbidity 2005-03-29 04:00 260
Turbidity 2005-03-29 04:15 260
Turbidity 2005-03-29 04:30 250
Turbidity 2005-03-29 04:45 250
Turbidity 2005-03-29 05:00 270
Turbidity 2005-03-29 05:15 240
Turbidity 2005-03-29 05:30 230
Turbidity 2005-03-29 05:45 240
Turbidity 2005-03-29 06:00 230
Turbidity 2005-03-29 06:15 220
Turbidity 2005-03-29 06:30 220
Turbidity 2005-03-29 06:45 200
Turbidity 2005-03-29 07:00 210
Turbidity 2005-03-29 07:15 190
Turbidity 2005-03-29 07:30 170
Turbidity 2005-03-29 07:45 180
Turbidity 2005-03-29 08:00 160
Turbidity 2005-03-29 08:15 170
Turbidity 2005-03-29 09:00 160