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MATTOLE RIVER - PETROLIA (MTOC1)
Latitude: 40.31º N | Longitude: 124.28º W | Elevation: 40 Feet | | | |
Location: Humboldt County in California | Bulletin Group: North Coast | River Group: North Coast |
Issuance Time: | Apr 28 2025 at 8:10 AM PDT | Next Issuance: | Apr 29 2025 at 9:00 AM PDT
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Action/Monitor: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Petrolia (MTOC1)
#
# File Generation Time: 04/28/2025 at 08:11 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/23/2025 at 09:00 AM PDT
# Maximum Observed Stage: 13.44 Feet
# Maximum Observed Flow: 1533 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/28/2025 at 09:00 AM PDT
# Maximum Forecast Stage: 13.31 Feet
# Maximum Forecast Flow: 1351 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/23/2025 08 AM PDT 13.44 1533 Not Applicable
04/23/2025 09 AM PDT 13.44 1533 0 Not Applicable
04/23/2025 10 AM PDT 13.43 1518 - Not Applicable
04/23/2025 11 AM PDT 13.43 1518 0 Not Applicable
04/23/2025 12 PM PDT 13.43 1518 0 Not Applicable
04/23/2025 01 PM PDT 13.43 1518 0 Not Applicable
04/23/2025 02 PM PDT 13.43 1518 0 Not Applicable
04/23/2025 03 PM PDT 13.43 1518 0 Not Applicable
04/23/2025 04 PM PDT 13.43 1518 0 Not Applicable
04/23/2025 05 PM PDT 13.42 1503 - Not Applicable
04/23/2025 06 PM PDT 13.43 1518 + Not Applicable
04/23/2025 07 PM PDT 13.42 1503 - Not Applicable
04/23/2025 08 PM PDT 13.42 1503 0 Not Applicable
04/23/2025 09 PM PDT 13.42 1503 0 Not Applicable
04/23/2025 10 PM PDT 13.42 1503 0 Not Applicable
04/23/2025 11 PM PDT 13.41 1489 - Not Applicable
04/24/2025 12 AM PDT 13.41 1489 0 Not Applicable
04/24/2025 01 AM PDT 13.41 1489 0 Not Applicable
04/24/2025 02 AM PDT 13.41 1489 0 Not Applicable
04/24/2025 03 AM PDT 13.41 1489 0 Not Applicable
04/24/2025 04 AM PDT 13.40 1475 - Not Applicable
04/24/2025 05 AM PDT 13.41 1489 + Not Applicable
04/24/2025 06 AM PDT 13.41 1489 0 Not Applicable
04/24/2025 07 AM PDT 13.40 1475 - Not Applicable
04/24/2025 08 AM PDT 13.40 1475 0 Not Applicable
04/24/2025 09 AM PDT 13.40 1475 0 Not Applicable
04/24/2025 10 AM PDT 13.40 1475 0 Not Applicable
04/24/2025 11 AM PDT 13.40 1475 0 Not Applicable
04/24/2025 12 PM PDT 13.40 1475 0 Not Applicable
04/24/2025 01 PM PDT 13.40 1475 0 Not Applicable
04/24/2025 02 PM PDT 13.39 1461 - Not Applicable
04/24/2025 03 PM PDT 13.40 1475 + Not Applicable
04/24/2025 04 PM PDT 13.40 1475 0 Not Applicable
04/24/2025 05 PM PDT 13.39 1461 - Not Applicable
04/24/2025 06 PM PDT 13.39 1461 0 Not Applicable
04/24/2025 07 PM PDT 13.39 1461 0 Not Applicable
04/24/2025 08 PM PDT 13.39 1461 0 Not Applicable
04/24/2025 09 PM PDT 13.39 1461 0 Not Applicable
04/24/2025 10 PM PDT 13.39 1461 0 Not Applicable
04/24/2025 11 PM PDT 13.39 1461 0 Not Applicable
04/25/2025 12 AM PDT 13.39 1461 0 Not Applicable
04/25/2025 01 AM PDT 13.39 1461 0 Not Applicable
04/25/2025 02 AM PDT 13.38 1447 - Not Applicable
04/25/2025 03 AM PDT 13.38 1447 0 Not Applicable
04/25/2025 04 AM PDT 13.38 1447 0 Not Applicable
04/25/2025 05 AM PDT 13.38 1447 0 Not Applicable
04/25/2025 06 AM PDT 13.38 1447 0 Not Applicable
04/25/2025 07 AM PDT 13.38 1447 0 Not Applicable
04/25/2025 08 AM PDT 13.37 1433 - Not Applicable
04/25/2025 09 AM PDT 13.37 1433 0 Not Applicable
04/25/2025 10 AM PDT 13.38 1447 + Not Applicable
04/25/2025 11 AM PDT 13.38 1447 0 Not Applicable
04/25/2025 12 PM PDT 13.37 1433 - Not Applicable
04/25/2025 01 PM PDT 13.38 1447 + Not Applicable
04/25/2025 02 PM PDT 13.37 1433 - Not Applicable
04/25/2025 03 PM PDT 13.37 1433 0 Not Applicable
04/25/2025 04 PM PDT 13.38 1447 + Not Applicable
04/25/2025 05 PM PDT 13.37 1433 - Not Applicable
04/25/2025 06 PM PDT 13.37 1433 0 Not Applicable
04/25/2025 07 PM PDT 13.37 1433 0 Not Applicable
04/25/2025 08 PM PDT 13.37 1433 0 Not Applicable
04/25/2025 09 PM PDT 13.37 1433 0 Not Applicable
04/25/2025 10 PM PDT 13.37 1433 0 Not Applicable
04/25/2025 11 PM PDT 13.37 1433 0 Not Applicable
04/26/2025 12 AM PDT 13.37 1433 0 Not Applicable
04/26/2025 01 AM PDT 13.37 1433 0 Not Applicable
04/26/2025 02 AM PDT 13.37 1433 0 Not Applicable
04/26/2025 03 AM PDT 13.36 1420 - Not Applicable
04/26/2025 04 AM PDT 13.36 1420 0 Not Applicable
04/26/2025 05 AM PDT 13.37 1433 + Not Applicable
04/26/2025 06 AM PDT 13.38 1447 + Not Applicable
04/26/2025 07 AM PDT 13.38 1447 0 Not Applicable
04/26/2025 08 AM PDT 13.37 1433 - Not Applicable
04/26/2025 09 AM PDT 13.37 1433 0 Not Applicable
04/26/2025 10 AM PDT 13.38 1447 + Not Applicable
04/26/2025 11 AM PDT 13.37 1433 - Not Applicable
04/26/2025 12 PM PDT 13.37 1433 0 Not Applicable
04/26/2025 01 PM PDT 13.37 1433 0 Not Applicable
04/26/2025 02 PM PDT 13.37 1433 0 Not Applicable
04/26/2025 03 PM PDT 13.36 1420 - Not Applicable
04/26/2025 04 PM PDT 13.36 1420 0 Not Applicable
04/26/2025 05 PM PDT 13.36 1420 0 Not Applicable
04/26/2025 06 PM PDT 13.36 1420 0 Not Applicable
04/26/2025 07 PM PDT 13.35 1406 - Not Applicable
04/26/2025 08 PM PDT 13.36 1420 + Not Applicable
04/26/2025 09 PM PDT 13.36 1420 0 Not Applicable
04/26/2025 10 PM PDT 13.36 1420 0 Not Applicable
04/26/2025 11 PM PDT 13.35 1406 - Not Applicable
04/27/2025 12 AM PDT 13.35 1406 0 Not Applicable
04/27/2025 01 AM PDT 13.35 1406 0 Not Applicable
04/27/2025 02 AM PDT 13.35 1406 0 Not Applicable
04/27/2025 03 AM PDT 13.35 1406 0 Not Applicable
04/27/2025 04 AM PDT 13.35 1406 0 Not Applicable
04/27/2025 05 AM PDT 13.34 1392 - Not Applicable
04/27/2025 06 AM PDT 13.34 1392 0 Not Applicable
04/27/2025 07 AM PDT 13.34 1392 0 Not Applicable
04/27/2025 08 AM PDT 13.34 1392 0 Not Applicable
04/27/2025 09 AM PDT 13.34 1392 0 Not Applicable
04/27/2025 10 AM PDT 13.34 1392 0 Not Applicable
04/27/2025 11 AM PDT 13.34 1392 0 Not Applicable
04/27/2025 12 PM PDT 13.35 1406 + Not Applicable
04/27/2025 01 PM PDT 13.34 1392 - Not Applicable
04/27/2025 02 PM PDT 13.33 1379 - Not Applicable
04/27/2025 03 PM PDT 13.34 1392 + Not Applicable
04/27/2025 04 PM PDT 13.33 1379 - Not Applicable
04/27/2025 05 PM PDT 13.33 1379 0 Not Applicable
04/27/2025 06 PM PDT 13.33 1379 0 Not Applicable
04/27/2025 07 PM PDT 13.33 1379 0 Not Applicable
04/27/2025 08 PM PDT 13.33 1379 0 Not Applicable
04/27/2025 09 PM PDT 13.32 1365 - Not Applicable
04/27/2025 10 PM PDT 13.32 1365 0 Not Applicable
04/27/2025 11 PM PDT 13.32 1365 0 Not Applicable
04/28/2025 12 AM PDT 13.32 1365 0 Not Applicable
04/28/2025 01 AM PDT 13.32 1365 0 Not Applicable
04/28/2025 02 AM PDT 13.31 1351 - Not Applicable
04/28/2025 03 AM PDT 13.31 1351 0 Not Applicable
04/28/2025 04 AM PDT 13.31 1351 0 Not Applicable
04/28/2025 05 AM PDT 13.31 1351 0 Not Applicable
04/28/2025 06 AM PDT 13.31 1351 0 Not Applicable
04/28/2025 07 AM PDT 13.31 1351 0 Not Applicable
04/28/2025 08 AM PDT 13.31 1351 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/28/2025 09 AM PDT 13.31 1351 Not Applicable
04/28/2025 10 AM PDT 13.30 1338 - Not Applicable
04/28/2025 11 AM PDT 13.30 1338 0 Not Applicable
04/28/2025 12 PM PDT 13.30 1338 0 Not Applicable
04/28/2025 01 PM PDT 13.30 1338 0 Not Applicable
04/28/2025 02 PM PDT 13.30 1338 0 Not Applicable
04/28/2025 03 PM PDT 13.30 1338 0 Not Applicable
04/28/2025 04 PM PDT 13.30 1338 0 Not Applicable
04/28/2025 05 PM PDT 13.29 1324 - Not Applicable
04/28/2025 06 PM PDT 13.29 1324 0 Not Applicable
04/28/2025 07 PM PDT 13.29 1324 0 Not Applicable
04/28/2025 08 PM PDT 13.29 1324 0 Not Applicable
04/28/2025 09 PM PDT 13.29 1324 0 Not Applicable
04/28/2025 10 PM PDT 13.29 1324 0 Not Applicable
04/28/2025 11 PM PDT 13.29 1324 0 Not Applicable
04/29/2025 12 AM PDT 13.29 1324 0 Not Applicable
04/29/2025 01 AM PDT 13.29 1324 0 Not Applicable
04/29/2025 02 AM PDT 13.28 1311 - Not Applicable
04/29/2025 03 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 04 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 05 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 06 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 07 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 08 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 09 AM PDT 13.28 1311 0 Not Applicable
04/29/2025 10 AM PDT 13.27 1297 - Not Applicable
04/29/2025 11 AM PDT 13.27 1297 0 Not Applicable
04/29/2025 12 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 01 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 02 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 03 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 04 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 05 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 06 PM PDT 13.27 1297 0 Not Applicable
04/29/2025 07 PM PDT 13.26 1284 - Not Applicable
04/29/2025 08 PM PDT 13.26 1284 0 Not Applicable
04/29/2025 09 PM PDT 13.26 1284 0 Not Applicable
04/29/2025 10 PM PDT 13.26 1284 0 Not Applicable
04/29/2025 11 PM PDT 13.26 1284 0 Not Applicable
04/30/2025 12 AM PDT 13.26 1284 0 Not Applicable
04/30/2025 01 AM PDT 13.26 1284 0 Not Applicable
04/30/2025 02 AM PDT 13.26 1284 0 Not Applicable
04/30/2025 03 AM PDT 13.26 1284 0 Not Applicable
04/30/2025 04 AM PDT 13.25 1270 - Not Applicable
04/30/2025 05 AM PDT 13.25 1270 0 Not Applicable
04/30/2025 06 AM PDT 13.25 1270 0 Not Applicable
04/30/2025 07 AM PDT 13.25 1270 0 Not Applicable
04/30/2025 08 AM PDT 13.25 1270 0 Not Applicable
04/30/2025 09 AM PDT 13.25 1270 0 Not Applicable
04/30/2025 10 AM PDT 13.25 1270 0 Not Applicable
04/30/2025 11 AM PDT 13.24 1257 - Not Applicable
04/30/2025 12 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 01 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 02 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 03 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 04 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 05 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 06 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 07 PM PDT 13.24 1257 0 Not Applicable
04/30/2025 08 PM PDT 13.23 1244 - Not Applicable
04/30/2025 09 PM PDT 13.23 1244 0 Not Applicable
04/30/2025 10 PM PDT 13.23 1244 0 Not Applicable
04/30/2025 11 PM PDT 13.23 1244 0 Not Applicable
05/01/2025 12 AM PDT 13.23 1244 0 Not Applicable
05/01/2025 01 AM PDT 13.23 1244 0 Not Applicable
05/01/2025 02 AM PDT 13.23 1244 0 Not Applicable
05/01/2025 03 AM PDT 13.23 1244 0 Not Applicable
05/01/2025 04 AM PDT 13.23 1244 0 Not Applicable
05/01/2025 05 AM PDT 13.22 1230 - Not Applicable
05/01/2025 06 AM PDT 13.22 1230 0 Not Applicable
05/01/2025 07 AM PDT 13.22 1230 0 Not Applicable
05/01/2025 08 AM PDT 13.22 1230 0 Not Applicable
05/01/2025 09 AM PDT 13.22 1230 0 Not Applicable
05/01/2025 10 AM PDT 13.22 1230 0 Not Applicable
05/01/2025 11 AM PDT 13.22 1230 0 Not Applicable
05/01/2025 12 PM PDT 13.22 1230 0 Not Applicable
05/01/2025 01 PM PDT 13.22 1230 0 Not Applicable
05/01/2025 02 PM PDT 13.21 1217 - Not Applicable
05/01/2025 03 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 04 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 05 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 06 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 07 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 08 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 09 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 10 PM PDT 13.21 1217 0 Not Applicable
05/01/2025 11 PM PDT 13.20 1205 - Not Applicable
05/02/2025 12 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 01 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 02 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 03 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 04 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 05 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 06 AM PDT 13.20 1205 0 Not Applicable
05/02/2025 07 AM PDT 13.19 1194 - Not Applicable
05/02/2025 08 AM PDT 13.19 1194 0 Not Applicable
05/02/2025 09 AM PDT 13.19 1194 0 Not Applicable
05/02/2025 10 AM PDT 13.19 1194 0 Not Applicable
05/02/2025 11 AM PDT 13.19 1194 0 Not Applicable
05/02/2025 12 PM PDT 13.19 1194 0 Not Applicable
05/02/2025 01 PM PDT 13.19 1194 0 Not Applicable
05/02/2025 02 PM PDT 13.19 1194 0 Not Applicable
05/02/2025 03 PM PDT 13.18 1182 - Not Applicable
05/02/2025 04 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 05 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 06 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 07 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 08 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 09 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 10 PM PDT 13.18 1182 0 Not Applicable
05/02/2025 11 PM PDT 13.18 1182 0 Not Applicable
05/03/2025 12 AM PDT 13.17 1170 - Not Applicable
05/03/2025 01 AM PDT 13.17 1170 0 Not Applicable
05/03/2025 02 AM PDT 13.17 1170 0 Not Applicable
05/03/2025 03 AM PDT 13.17 1170 0 Not Applicable
05/03/2025 04 AM PDT 13.17 1170 0 Not Applicable
05/03/2025 05 AM PDT 13.17 1170 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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