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Data Anomalies at USGS Site 01651000
July 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
Turbidity 2005-07-08 05:30 170
Turbidity 2005-07-08 05:45 190
Turbidity 2005-07-08 06:00 260
Turbidity 2005-07-08 06:15 270
Turbidity 2005-07-08 06:30 280
Turbidity 2005-07-08 06:45 290
Turbidity 2005-07-08 07:00 350
Turbidity 2005-07-08 07:15 360
Turbidity 2005-07-08 07:30 380
Turbidity 2005-07-08 07:45 380
Turbidity 2005-07-08 08:00 370
Turbidity 2005-07-08 08:15 360
Turbidity 2005-07-08 08:30 400
Turbidity 2005-07-08 08:45 460
Turbidity 2005-07-08 09:00 470
Turbidity 2005-07-08 09:15 480
Turbidity 2005-07-08 09:30 480
Turbidity 2005-07-08 09:45 475
Turbidity 2005-07-08 10:00 470
Turbidity 2005-07-08 10:15 465
Turbidity 2005-07-08 10:30 460
Turbidity 2005-07-08 10:45 420
Turbidity 2005-07-08 11:00 400
Turbidity 2005-07-08 11:15 370
Turbidity 2005-07-08 11:30 360
Turbidity 2005-07-08 11:45 370
Turbidity 2005-07-08 12:00 390
Turbidity 2005-07-08 12:15 410
Turbidity 2005-07-08 12:30 420
Turbidity 2005-07-08 12:45 430
Turbidity 2005-07-08 13:00 433.3333
Turbidity 2005-07-08 13:15 436.6667
Turbidity 2005-07-08 13:30 440
Turbidity 2005-07-08 14:00 420
Turbidity 2005-07-08 14:15 380
Turbidity 2005-07-08 14:30 370
Turbidity 2005-07-08 14:45 330
Turbidity 2005-07-08 15:00 340
Turbidity 2005-07-08 15:15 300
Turbidity 2005-07-08 15:30 280
Turbidity 2005-07-08 15:45 280
Turbidity 2005-07-08 16:00 270
Turbidity 2005-07-08 16:15 230
Turbidity 2005-07-08 16:30 240
Turbidity 2005-07-08 16:45 240
Turbidity 2005-07-08 17:00 210
Turbidity 2005-07-08 17:15 220
Turbidity 2005-07-08 17:30 200
Turbidity 2005-07-08 17:45 190
Turbidity 2005-07-08 18:00 180
Turbidity 2005-07-08 18:15 180
Turbidity 2005-07-08 18:30 160
Turbidity 2005-07-08 18:45 170
Turbidity 2005-07-08 19:00 160
Turbidity 2005-07-08 19:15 160
Turbidity 2005-07-15 14:15 160
Turbidity 2005-07-15 14:30 300
Turbidity 2005-07-15 14:45 420
Turbidity 2005-07-15 15:00 500
Turbidity 2005-07-15 15:15 460
Turbidity 2005-07-15 15:30 360
Turbidity 2005-07-15 15:45 330
Turbidity 2005-07-15 16:00 320
Turbidity 2005-07-15 16:15 290
Turbidity 2005-07-15 16:30 260
Turbidity 2005-07-15 16:45 240
Turbidity 2005-07-15 17:00 220
Turbidity 2005-07-15 17:15 200
Turbidity 2005-07-15 17:30 190
Turbidity 2005-07-15 17:45 160
Turbidity 2005-07-16 15:15 160
Turbidity 2005-07-16 15:30 160
Turbidity 2005-07-16 15:45 170
Turbidity 2005-07-16 16:00 180
Turbidity 2005-07-16 20:45 180
Turbidity 2005-07-16 21:15 210
Turbidity 2005-07-16 21:30 180
Turbidity 2005-07-16 21:45 200
Turbidity 2005-07-16 22:00 220
Turbidity 2005-07-16 22:15 240
Turbidity 2005-07-16 22:30 240
Turbidity 2005-07-16 22:45 210
Turbidity 2005-07-16 23:00 180
Turbidity 2005-07-16 23:15 160
Turbidity 2005-07-16 23:30 160
Turbidity 2005-07-17 02:00 160
Turbidity 2005-07-17 02:15 160
Turbidity 2005-07-17 02:30 160
Turbidity 2005-07-17 02:45 170
Turbidity 2005-07-17 03:00 160
Turbidity 2005-07-17 03:15 180
Turbidity 2005-07-17 03:30 180
Turbidity 2005-07-17 03:45 200
Turbidity 2005-07-17 04:00 210
Turbidity 2005-07-17 04:15 210
Turbidity 2005-07-17 04:30 210
Turbidity 2005-07-17 04:45 200
Turbidity 2005-07-17 05:00 180
Turbidity 2005-07-17 05:15 160
Turbidity 2005-07-17 23:00 160
Turbidity 2005-07-17 23:15 190
Turbidity 2005-07-17 23:30 190
Turbidity 2005-07-17 23:45 200
Turbidity 2005-07-17 24:00 200
Turbidity 2005-07-18 00:15 200
Turbidity 2005-07-18 00:30 180
pH 2005-07-22 14:15 8.6
Turbidity 2005-07-23 01:15 260
Turbidity 2005-07-23 01:30 276.6667
Turbidity 2005-07-23 01:45 293.3333
Turbidity 2005-07-23 02:00 310
Turbidity 2005-07-23 02:15 300
Turbidity 2005-07-23 02:30 300
Turbidity 2005-07-23 02:45 290
Turbidity 2005-07-23 03:00 260
Turbidity 2005-07-23 03:15 270
Turbidity 2005-07-23 03:30 250
Turbidity 2005-07-23 03:45 290
Turbidity 2005-07-23 04:00 290
Turbidity 2005-07-23 04:15 270
Turbidity 2005-07-23 04:30 320
Turbidity 2005-07-23 04:45 380
Turbidity 2005-07-23 05:00 450
Turbidity 2005-07-23 05:15 590
Turbidity 2005-07-23 05:30 690
Turbidity 2005-07-23 05:45 660
Turbidity 2005-07-23 06:00 530
Turbidity 2005-07-23 06:15 450
Turbidity 2005-07-23 06:30 380
Turbidity 2005-07-23 06:45 350
Turbidity 2005-07-23 07:00 350
Turbidity 2005-07-23 07:15 350
Turbidity 2005-07-23 07:30 290
Turbidity 2005-07-23 07:45 250
Turbidity 2005-07-23 08:00 250
Turbidity 2005-07-23 08:15 240
Turbidity 2005-07-23 08:30 240
Turbidity 2005-07-23 08:45 200
Turbidity 2005-07-23 09:00 190
Turbidity 2005-07-23 09:15 200
Turbidity 2005-07-23 09:30 180
Turbidity 2005-07-23 09:45 190
Turbidity 2005-07-23 10:00 180
Turbidity 2005-07-23 10:15 160
Turbidity 2005-07-27 19:15 180
Turbidity 2005-07-27 19:30 160
Turbidity 2005-07-27 20:00 200
Turbidity 2005-07-27 20:15 190
Turbidity 2005-07-27 20:30 210
Turbidity 2005-07-27 20:45 200
Turbidity 2005-07-27 21:00 190
Turbidity 2005-07-27 21:15 190
Turbidity 2005-07-27 21:30 170
Turbidity 2005-07-27 21:45 160
Turbidity 2005-07-27 22:00 170
Turbidity 2005-07-27 22:15 170
Turbidity 2005-07-27 22:30 210
Turbidity 2005-07-27 22:45 220
Turbidity 2005-07-27 23:00 240
Turbidity 2005-07-27 23:15 220
Turbidity 2005-07-27 23:30 230
Turbidity 2005-07-27 23:45 230
Turbidity 2005-07-27 24:00 250
Turbidity 2005-07-28 00:15 250
Turbidity 2005-07-28 00:30 260
Turbidity 2005-07-28 00:45 220
Turbidity 2005-07-28 01:00 200
Turbidity 2005-07-28 01:15 200
Turbidity 2005-07-28 01:30 200
Turbidity 2005-07-28 01:45 180
Turbidity 2005-07-28 02:00 180
Turbidity 2005-07-28 02:15 180
Turbidity 2005-07-28 02:30 170
Turbidity 2005-07-28 02:45 170
Turbidity 2005-07-28 03:00 160
Turbidity 2005-07-29 20:00 170
Turbidity 2005-07-29 20:15 170
Turbidity 2005-07-29 21:30 190
Turbidity 2005-07-29 21:45 220
Turbidity 2005-07-29 22:00 240
Turbidity 2005-07-29 22:15 260
Turbidity 2005-07-29 22:30 210
Turbidity 2005-07-29 22:45 210
Turbidity 2005-07-29 23:00 170