# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Petrolia (MTOC1)
#
# File Generation Time: 04/26/2026 at 08:32 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/21/2026 at 11:00 AM PDT
# Maximum Observed Stage: 12.41 Feet
# Maximum Observed Flow: 510 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/26/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 12.22 Feet
# Maximum Forecast Flow: 330 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/21/2026 08 AM PDT 12.40 500 Not Applicable
04/21/2026 09 AM PDT 12.41 510 + Not Applicable
04/21/2026 10 AM PDT 12.41 510 0 Not Applicable
04/21/2026 11 AM PDT 12.41 510 0 Not Applicable
04/21/2026 12 PM PDT 12.40 500 - Not Applicable
04/21/2026 01 PM PDT 12.40 500 0 Not Applicable
04/21/2026 02 PM PDT 12.40 500 0 Not Applicable
04/21/2026 03 PM PDT 12.40 500 0 Not Applicable
04/21/2026 04 PM PDT 12.40 500 0 Not Applicable
04/21/2026 05 PM PDT 12.40 500 0 Not Applicable
04/21/2026 06 PM PDT 12.40 500 0 Not Applicable
04/21/2026 07 PM PDT 12.40 500 0 Not Applicable
04/21/2026 08 PM PDT 12.39 490 - Not Applicable
04/21/2026 09 PM PDT 12.39 490 0 Not Applicable
04/21/2026 10 PM PDT 12.38 479 - Not Applicable
04/21/2026 11 PM PDT 12.38 479 0 Not Applicable
04/22/2026 12 AM PDT 12.38 479 0 Not Applicable
04/22/2026 01 AM PDT 12.37 469 - Not Applicable
04/22/2026 02 AM PDT 12.37 469 0 Not Applicable
04/22/2026 03 AM PDT 12.37 469 0 Not Applicable
04/22/2026 04 AM PDT 12.37 469 0 Not Applicable
04/22/2026 05 AM PDT 12.37 469 0 Not Applicable
04/22/2026 06 AM PDT 12.37 469 0 Not Applicable
04/22/2026 07 AM PDT 12.36 458 - Not Applicable
04/22/2026 08 AM PDT 12.36 458 0 Not Applicable
04/22/2026 09 AM PDT 12.36 458 0 Not Applicable
04/22/2026 10 AM PDT 12.35 448 - Not Applicable
04/22/2026 11 AM PDT 12.36 458 + Not Applicable
04/22/2026 12 PM PDT 12.35 448 - Not Applicable
04/22/2026 01 PM PDT 12.35 448 0 Not Applicable
04/22/2026 02 PM PDT 12.35 448 0 Not Applicable
04/22/2026 03 PM PDT 12.35 448 0 Not Applicable
04/22/2026 04 PM PDT 12.34 438 - Not Applicable
04/22/2026 05 PM PDT 12.35 448 + Not Applicable
04/22/2026 06 PM PDT 12.34 438 - Not Applicable
04/22/2026 07 PM PDT 12.34 438 0 Not Applicable
04/22/2026 08 PM PDT 12.33 428 - Not Applicable
04/22/2026 09 PM PDT 12.33 428 0 Not Applicable
04/22/2026 10 PM PDT 12.32 419 - Not Applicable
04/22/2026 11 PM PDT 12.32 419 0 Not Applicable
04/23/2026 12 AM PDT 12.32 419 0 Not Applicable
04/23/2026 01 AM PDT 12.32 419 0 Not Applicable
04/23/2026 02 AM PDT 12.31 409 - Not Applicable
04/23/2026 03 AM PDT 12.31 409 0 Not Applicable
04/23/2026 04 AM PDT 12.31 409 0 Not Applicable
04/23/2026 05 AM PDT 12.31 409 0 Not Applicable
04/23/2026 06 AM PDT 12.31 409 0 Not Applicable
04/23/2026 07 AM PDT 12.30 400 - Not Applicable
04/23/2026 08 AM PDT 12.30 400 0 Not Applicable
04/23/2026 09 AM PDT 12.30 400 0 Not Applicable
04/23/2026 10 AM PDT 12.30 400 0 Not Applicable
04/23/2026 11 AM PDT 12.29 390 - Not Applicable
04/23/2026 12 PM PDT 12.30 400 + Not Applicable
04/23/2026 01 PM PDT 12.30 400 0 Not Applicable
04/23/2026 02 PM PDT 12.30 400 0 Not Applicable
04/23/2026 03 PM PDT 12.30 400 0 Not Applicable
04/23/2026 04 PM PDT 12.30 400 0 Not Applicable
04/23/2026 05 PM PDT 12.29 390 - Not Applicable
04/23/2026 06 PM PDT 12.29 390 0 Not Applicable
04/23/2026 07 PM PDT 12.29 390 0 Not Applicable
04/23/2026 08 PM PDT 12.29 390 0 Not Applicable
04/23/2026 09 PM PDT 12.28 381 - Not Applicable
04/23/2026 10 PM PDT 12.28 381 0 Not Applicable
04/23/2026 11 PM PDT 12.28 381 0 Not Applicable
04/24/2026 12 AM PDT 12.28 381 0 Not Applicable
04/24/2026 01 AM PDT 12.28 381 0 Not Applicable
04/24/2026 02 AM PDT 12.27 372 - Not Applicable
04/24/2026 03 AM PDT 12.27 372 0 Not Applicable
04/24/2026 04 AM PDT 12.27 372 0 Not Applicable
04/24/2026 05 AM PDT 12.27 372 0 Not Applicable
04/24/2026 06 AM PDT 12.27 372 0 Not Applicable
04/24/2026 07 AM PDT 12.27 372 0 Not Applicable
04/24/2026 08 AM PDT 12.27 372 0 Not Applicable
04/24/2026 09 AM PDT 12.27 372 0 Not Applicable
04/24/2026 10 AM PDT 12.27 372 0 Not Applicable
04/24/2026 11 AM PDT 12.27 372 0 Not Applicable
04/24/2026 12 PM PDT 12.27 372 0 Not Applicable
04/24/2026 01 PM PDT 12.27 372 0 Not Applicable
04/24/2026 02 PM PDT 12.27 372 0 Not Applicable
04/24/2026 03 PM PDT 12.27 372 0 Not Applicable
04/24/2026 04 PM PDT 12.27 372 0 Not Applicable
04/24/2026 05 PM PDT 12.27 372 0 Not Applicable
04/24/2026 06 PM PDT 12.26 364 - Not Applicable
04/24/2026 07 PM PDT 12.26 364 0 Not Applicable
04/24/2026 08 PM PDT 12.26 364 0 Not Applicable
04/24/2026 09 PM PDT 12.26 364 0 Not Applicable
04/24/2026 10 PM PDT 12.26 364 0 Not Applicable
04/24/2026 11 PM PDT 12.25 355 - Not Applicable
04/25/2026 12 AM PDT 12.25 355 0 Not Applicable
04/25/2026 01 AM PDT 12.25 355 0 Not Applicable
04/25/2026 02 AM PDT 12.25 355 0 Not Applicable
04/25/2026 03 AM PDT 12.24 346 - Not Applicable
04/25/2026 04 AM PDT 12.25 355 + Not Applicable
04/25/2026 05 AM PDT 12.25 355 0 Not Applicable
04/25/2026 06 AM PDT 12.25 355 0 Not Applicable
04/25/2026 07 AM PDT 12.25 355 0 Not Applicable
04/25/2026 08 AM PDT 12.25 355 0 Not Applicable
04/25/2026 09 AM PDT 12.24 346 - Not Applicable
04/25/2026 10 AM PDT 12.24 346 0 Not Applicable
04/25/2026 11 AM PDT 12.24 346 0 Not Applicable
04/25/2026 12 PM PDT 12.24 346 0 Not Applicable
04/25/2026 01 PM PDT 12.24 346 0 Not Applicable
04/25/2026 02 PM PDT 12.24 346 0 Not Applicable
04/25/2026 03 PM PDT 12.24 346 0 Not Applicable
04/25/2026 04 PM PDT 12.24 346 0 Not Applicable
04/25/2026 05 PM PDT 12.24 346 0 Not Applicable
04/25/2026 06 PM PDT 12.24 346 0 Not Applicable
04/25/2026 07 PM PDT 12.23 338 - Not Applicable
04/25/2026 08 PM PDT 12.24 346 + Not Applicable
04/25/2026 09 PM PDT 12.23 338 - Not Applicable
04/25/2026 10 PM PDT 12.23 338 0 Not Applicable
04/25/2026 11 PM PDT 12.23 338 0 Not Applicable
04/26/2026 12 AM PDT 12.23 338 0 Not Applicable
04/26/2026 01 AM PDT 12.23 338 0 Not Applicable
04/26/2026 02 AM PDT 12.23 338 0 Not Applicable
04/26/2026 03 AM PDT 12.23 338 0 Not Applicable
04/26/2026 04 AM PDT 12.22 330 - Not Applicable
04/26/2026 05 AM PDT 12.22 330 0 Not Applicable
04/26/2026 06 AM PDT 12.22 330 0 Not Applicable
04/26/2026 07 AM PDT 12.22 330 0 Not Applicable
04/26/2026 08 AM PDT 12.22 330 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/26/2026 09 AM PDT 12.22 330 Not Applicable
04/26/2026 10 AM PDT 12.21 322 - Not Applicable
04/26/2026 11 AM PDT 12.21 322 0 Not Applicable
04/26/2026 12 PM PDT 12.21 322 0 Not Applicable
04/26/2026 01 PM PDT 12.21 322 0 Not Applicable
04/26/2026 02 PM PDT 12.21 322 0 Not Applicable
04/26/2026 03 PM PDT 12.21 322 0 Not Applicable
04/26/2026 04 PM PDT 12.21 322 0 Not Applicable
04/26/2026 05 PM PDT 12.21 322 0 Not Applicable
04/26/2026 06 PM PDT 12.21 322 0 Not Applicable
04/26/2026 07 PM PDT 12.21 322 0 Not Applicable
04/26/2026 08 PM PDT 12.21 322 0 Not Applicable
04/26/2026 09 PM PDT 12.21 322 0 Not Applicable
04/26/2026 10 PM PDT 12.21 322 0 Not Applicable
04/26/2026 11 PM PDT 12.21 322 0 Not Applicable
04/27/2026 12 AM PDT 12.21 322 0 Not Applicable
04/27/2026 01 AM PDT 12.20 314 - Not Applicable
04/27/2026 02 AM PDT 12.20 314 0 Not Applicable
04/27/2026 03 AM PDT 12.20 314 0 Not Applicable
04/27/2026 04 AM PDT 12.20 314 0 Not Applicable
04/27/2026 05 AM PDT 12.20 314 0 Not Applicable
04/27/2026 06 AM PDT 12.20 314 0 Not Applicable
04/27/2026 07 AM PDT 12.20 314 0 Not Applicable
04/27/2026 08 AM PDT 12.20 314 0 Not Applicable
04/27/2026 09 AM PDT 12.20 314 0 Not Applicable
04/27/2026 10 AM PDT 12.20 314 0 Not Applicable
04/27/2026 11 AM PDT 12.20 314 0 Not Applicable
04/27/2026 12 PM PDT 12.20 314 0 Not Applicable
04/27/2026 01 PM PDT 12.20 314 0 Not Applicable
04/27/2026 02 PM PDT 12.19 306 - Not Applicable
04/27/2026 03 PM PDT 12.19 306 0 Not Applicable
04/27/2026 04 PM PDT 12.19 306 0 Not Applicable
04/27/2026 05 PM PDT 12.19 306 0 Not Applicable
04/27/2026 06 PM PDT 12.19 306 0 Not Applicable
04/27/2026 07 PM PDT 12.19 306 0 Not Applicable
04/27/2026 08 PM PDT 12.19 306 0 Not Applicable
04/27/2026 09 PM PDT 12.19 306 0 Not Applicable
04/27/2026 10 PM PDT 12.19 306 0 Not Applicable
04/27/2026 11 PM PDT 12.19 306 0 Not Applicable
04/28/2026 12 AM PDT 12.19 306 0 Not Applicable
04/28/2026 01 AM PDT 12.19 306 0 Not Applicable
04/28/2026 02 AM PDT 12.19 306 0 Not Applicable
04/28/2026 03 AM PDT 12.19 306 0 Not Applicable
04/28/2026 04 AM PDT 12.18 298 - Not Applicable
04/28/2026 05 AM PDT 12.18 298 0 Not Applicable
04/28/2026 06 AM PDT 12.18 298 0 Not Applicable
04/28/2026 07 AM PDT 12.18 298 0 Not Applicable
04/28/2026 08 AM PDT 12.18 298 0 Not Applicable
04/28/2026 09 AM PDT 12.18 298 0 Not Applicable
04/28/2026 10 AM PDT 12.18 298 0 Not Applicable
04/28/2026 11 AM PDT 12.18 298 0 Not Applicable
04/28/2026 12 PM PDT 12.18 298 0 Not Applicable
04/28/2026 01 PM PDT 12.18 298 0 Not Applicable
04/28/2026 02 PM PDT 12.18 298 0 Not Applicable
04/28/2026 03 PM PDT 12.18 298 0 Not Applicable
04/28/2026 04 PM PDT 12.18 298 0 Not Applicable
04/28/2026 05 PM PDT 12.18 298 0 Not Applicable
04/28/2026 06 PM PDT 12.18 298 0 Not Applicable
04/28/2026 07 PM PDT 12.17 291 - Not Applicable
04/28/2026 08 PM PDT 12.17 291 0 Not Applicable
04/28/2026 09 PM PDT 12.17 291 0 Not Applicable
04/28/2026 10 PM PDT 12.17 291 0 Not Applicable
04/28/2026 11 PM PDT 12.17 291 0 Not Applicable
04/29/2026 12 AM PDT 12.17 291 0 Not Applicable
04/29/2026 01 AM PDT 12.17 291 0 Not Applicable
04/29/2026 02 AM PDT 12.17 291 0 Not Applicable
04/29/2026 03 AM PDT 12.17 291 0 Not Applicable
04/29/2026 04 AM PDT 12.17 291 0 Not Applicable
04/29/2026 05 AM PDT 12.17 291 0 Not Applicable
04/29/2026 06 AM PDT 12.17 291 0 Not Applicable
04/29/2026 07 AM PDT 12.17 291 0 Not Applicable
04/29/2026 08 AM PDT 12.17 291 0 Not Applicable
04/29/2026 09 AM PDT 12.16 283 - Not Applicable
04/29/2026 10 AM PDT 12.16 283 0 Not Applicable
04/29/2026 11 AM PDT 12.16 283 0 Not Applicable
04/29/2026 12 PM PDT 12.16 283 0 Not Applicable
04/29/2026 01 PM PDT 12.16 283 0 Not Applicable
04/29/2026 02 PM PDT 12.16 283 0 Not Applicable
04/29/2026 03 PM PDT 12.16 283 0 Not Applicable
04/29/2026 04 PM PDT 12.16 283 0 Not Applicable
04/29/2026 05 PM PDT 12.16 283 0 Not Applicable
04/29/2026 06 PM PDT 12.16 283 0 Not Applicable
04/29/2026 07 PM PDT 12.16 283 0 Not Applicable
04/29/2026 08 PM PDT 12.16 283 0 Not Applicable
04/29/2026 09 PM PDT 12.16 283 0 Not Applicable
04/29/2026 10 PM PDT 12.16 283 0 Not Applicable
04/29/2026 11 PM PDT 12.16 283 0 Not Applicable
04/30/2026 12 AM PDT 12.16 283 0 Not Applicable
04/30/2026 01 AM PDT 12.15 276 - Not Applicable
04/30/2026 02 AM PDT 12.15 276 0 Not Applicable
04/30/2026 03 AM PDT 12.15 276 0 Not Applicable
04/30/2026 04 AM PDT 12.15 276 0 Not Applicable
04/30/2026 05 AM PDT 12.15 276 0 Not Applicable
04/30/2026 06 AM PDT 12.15 276 0 Not Applicable
04/30/2026 07 AM PDT 12.15 276 0 Not Applicable
04/30/2026 08 AM PDT 12.15 276 0 Not Applicable
04/30/2026 09 AM PDT 12.15 276 0 Not Applicable
04/30/2026 10 AM PDT 12.15 276 0 Not Applicable
04/30/2026 11 AM PDT 12.15 276 0 Not Applicable
04/30/2026 12 PM PDT 12.15 276 0 Not Applicable
04/30/2026 01 PM PDT 12.15 276 0 Not Applicable
04/30/2026 02 PM PDT 12.15 276 0 Not Applicable
04/30/2026 03 PM PDT 12.15 276 0 Not Applicable
04/30/2026 04 PM PDT 12.15 276 0 Not Applicable
04/30/2026 05 PM PDT 12.15 276 0 Not Applicable
04/30/2026 06 PM PDT 12.15 276 0 Not Applicable
04/30/2026 07 PM PDT 12.14 269 - Not Applicable
04/30/2026 08 PM PDT 12.14 269 0 Not Applicable
04/30/2026 09 PM PDT 12.14 269 0 Not Applicable
04/30/2026 10 PM PDT 12.14 269 0 Not Applicable
04/30/2026 11 PM PDT 12.14 269 0 Not Applicable
05/01/2026 12 AM PDT 12.14 269 0 Not Applicable
05/01/2026 01 AM PDT 12.14 269 0 Not Applicable
05/01/2026 02 AM PDT 12.14 269 0 Not Applicable
05/01/2026 03 AM PDT 12.14 269 0 Not Applicable
05/01/2026 04 AM PDT 12.14 269 0 Not Applicable
05/01/2026 05 AM PDT 12.14 269 0 Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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