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SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude: 40.65º N | Longitude: 123.49º W | Elevation: 1211 Feet | | | |
Location: Trinity County in California | Bulletin Group: North Coast | River Group: Klamath |
Issuance Time: | Apr 30 2025 at 8:07 AM PDT | Next Issuance: | May 01 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: South Fork Trinity River - Hyampom (HYMC1)
#
# File Generation Time: 04/30/2025 at 08:09 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/25/2025 at 09:00 AM PDT
# Maximum Observed Stage: 5.82 Feet
# Maximum Observed Flow: 1573 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/30/2025 at 08:00 AM PDT
# Maximum Forecast Stage: 5.33 Feet
# Maximum Forecast Flow: 1223 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/25/2025 08 AM PDT 5.80 1558 Not Applicable
04/25/2025 09 AM PDT 5.82 1573 + Not Applicable
04/25/2025 10 AM PDT 5.80 1558 - Not Applicable
04/25/2025 11 AM PDT 5.80 1558 0 Not Applicable
04/25/2025 12 PM PDT 5.80 1558 0 Not Applicable
04/25/2025 01 PM PDT 5.81 1565 + Not Applicable
04/25/2025 02 PM PDT 5.79 1550 - Not Applicable
04/25/2025 03 PM PDT 5.77 1534 - Not Applicable
04/25/2025 04 PM PDT 5.78 1542 + Not Applicable
04/25/2025 05 PM PDT 5.77 1534 - Not Applicable
04/25/2025 06 PM PDT 5.78 1542 + Not Applicable
04/25/2025 07 PM PDT 5.76 1526 - Not Applicable
04/25/2025 08 PM PDT 5.76 1526 0 Not Applicable
04/25/2025 09 PM PDT 5.76 1526 0 Not Applicable
04/25/2025 10 PM PDT 5.73 1503 - Not Applicable
04/25/2025 11 PM PDT 5.72 1496 - Not Applicable
04/26/2025 12 AM PDT 5.72 1496 0 Not Applicable
04/26/2025 01 AM PDT 5.71 1488 - Not Applicable
04/26/2025 02 AM PDT 5.72 1496 + Not Applicable
04/26/2025 03 AM PDT 5.70 1480 - Not Applicable
04/26/2025 04 AM PDT 5.70 1480 0 Not Applicable
04/26/2025 05 AM PDT 5.72 1496 + Not Applicable
04/26/2025 06 AM PDT 5.72 1496 0 Not Applicable
04/26/2025 07 AM PDT 5.70 1480 - Not Applicable
04/26/2025 08 AM PDT 5.72 1496 + Not Applicable
04/26/2025 09 AM PDT 5.71 1488 - Not Applicable
04/26/2025 10 AM PDT 5.72 1496 + Not Applicable
04/26/2025 11 AM PDT 5.68 1465 - Not Applicable
04/26/2025 12 PM PDT 5.71 1488 + Not Applicable
04/26/2025 01 PM PDT 5.70 1480 - Not Applicable
04/26/2025 02 PM PDT 5.69 1473 - Not Applicable
04/26/2025 03 PM PDT 5.69 1473 0 Not Applicable
04/26/2025 04 PM PDT 5.69 1473 0 Not Applicable
04/26/2025 05 PM PDT 5.68 1465 - Not Applicable
04/26/2025 06 PM PDT 5.69 1473 + Not Applicable
04/26/2025 07 PM PDT 5.68 1465 - Not Applicable
04/26/2025 08 PM PDT 5.69 1473 + Not Applicable
04/26/2025 09 PM PDT 5.69 1473 0 Not Applicable
04/26/2025 10 PM PDT 5.68 1465 - Not Applicable
04/26/2025 11 PM PDT 5.70 1480 + Not Applicable
04/27/2025 12 AM PDT 5.68 1465 - Not Applicable
04/27/2025 01 AM PDT 5.67 1458 - Not Applicable
04/27/2025 02 AM PDT 5.69 1473 + Not Applicable
04/27/2025 03 AM PDT 5.68 1465 - Not Applicable
04/27/2025 04 AM PDT 5.66 1450 - Not Applicable
04/27/2025 05 AM PDT 5.65 1443 - Not Applicable
04/27/2025 06 AM PDT 5.67 1458 + Not Applicable
04/27/2025 07 AM PDT 5.64 1435 - Not Applicable
04/27/2025 08 AM PDT 5.66 1450 + Not Applicable
04/27/2025 09 AM PDT 5.63 1428 - Not Applicable
04/27/2025 10 AM PDT 5.65 1443 + Not Applicable
04/27/2025 11 AM PDT 5.64 1435 - Not Applicable
04/27/2025 12 PM PDT 5.63 1428 - Not Applicable
04/27/2025 01 PM PDT 5.65 1443 + Not Applicable
04/27/2025 02 PM PDT 5.64 1435 - Not Applicable
04/27/2025 03 PM PDT 5.62 1420 - Not Applicable
04/27/2025 04 PM PDT 5.62 1420 0 Not Applicable
04/27/2025 05 PM PDT 5.60 1405 - Not Applicable
04/27/2025 06 PM PDT 5.59 1398 - Not Applicable
04/27/2025 07 PM PDT 5.60 1405 + Not Applicable
04/27/2025 08 PM PDT 5.58 1391 - Not Applicable
04/27/2025 09 PM PDT 5.58 1391 0 Not Applicable
04/27/2025 10 PM PDT 5.57 1383 - Not Applicable
04/27/2025 11 PM PDT 5.55 1369 - Not Applicable
04/28/2025 12 AM PDT 5.54 1362 - Not Applicable
04/28/2025 01 AM PDT 5.54 1362 0 Not Applicable
04/28/2025 02 AM PDT 5.54 1362 0 Not Applicable
04/28/2025 03 AM PDT 5.52 1347 - Not Applicable
04/28/2025 04 AM PDT 5.54 1362 + Not Applicable
04/28/2025 05 AM PDT 5.53 1354 - Not Applicable
04/28/2025 06 AM PDT 5.51 1340 - Not Applicable
04/28/2025 07 AM PDT 5.52 1347 + Not Applicable
04/28/2025 08 AM PDT 5.51 1340 - Not Applicable
04/28/2025 09 AM PDT 5.51 1340 0 Not Applicable
04/28/2025 10 AM PDT 5.49 1326 - Not Applicable
04/28/2025 11 AM PDT 5.50 1333 + Not Applicable
04/28/2025 12 PM PDT 5.50 1333 0 Not Applicable
04/28/2025 01 PM PDT 5.50 1333 0 Not Applicable
04/28/2025 02 PM PDT 5.50 1333 0 Not Applicable
04/28/2025 03 PM PDT 5.49 1326 - Not Applicable
04/28/2025 04 PM PDT 5.49 1326 0 Not Applicable
04/28/2025 05 PM PDT 5.49 1326 0 Not Applicable
04/28/2025 06 PM PDT 5.48 1319 - Not Applicable
04/28/2025 07 PM PDT 5.48 1319 0 Not Applicable
04/28/2025 08 PM PDT 5.47 1313 - Not Applicable
04/28/2025 09 PM PDT 5.45 1300 - Not Applicable
04/28/2025 10 PM PDT 5.45 1300 0 Not Applicable
04/28/2025 11 PM PDT 5.43 1287 - Not Applicable
04/29/2025 12 AM PDT 5.44 1293 + Not Applicable
04/29/2025 01 AM PDT 5.44 1293 0 Not Applicable
04/29/2025 02 AM PDT 5.42 1280 - Not Applicable
04/29/2025 03 AM PDT 5.42 1280 0 Not Applicable
04/29/2025 04 AM PDT 5.44 1293 + Not Applicable
04/29/2025 05 AM PDT 5.41 1274 - Not Applicable
04/29/2025 06 AM PDT 5.45 1300 + Not Applicable
04/29/2025 07 AM PDT 5.42 1280 - Not Applicable
04/29/2025 08 AM PDT 5.40 1267 - Not Applicable
04/29/2025 09 AM PDT 5.41 1274 + Not Applicable
04/29/2025 10 AM PDT 5.40 1267 - Not Applicable
04/29/2025 11 AM PDT 5.40 1267 0 Not Applicable
04/29/2025 12 PM PDT 5.37 1248 - Not Applicable
04/29/2025 01 PM PDT 5.40 1267 + Not Applicable
04/29/2025 02 PM PDT 5.38 1254 - Not Applicable
04/29/2025 03 PM PDT 5.40 1267 + Not Applicable
04/29/2025 04 PM PDT 5.39 1261 - Not Applicable
04/29/2025 05 PM PDT 5.38 1254 - Not Applicable
04/29/2025 06 PM PDT 5.36 1242 - Not Applicable
04/29/2025 07 PM PDT 5.37 1248 + Not Applicable
04/29/2025 08 PM PDT 5.38 1254 + Not Applicable
04/29/2025 09 PM PDT 5.36 1242 - Not Applicable
04/29/2025 10 PM PDT 5.36 1242 0 Not Applicable
04/29/2025 11 PM PDT 5.36 1242 0 Not Applicable
04/30/2025 12 AM PDT 5.35 1235 - Not Applicable
04/30/2025 01 AM PDT 5.34 1229 - Not Applicable
04/30/2025 02 AM PDT 5.35 1235 + Not Applicable
04/30/2025 03 AM PDT 5.35 1235 0 Not Applicable
04/30/2025 04 AM PDT 5.33 1223 - Not Applicable
04/30/2025 05 AM PDT 5.34 1229 + Not Applicable
04/30/2025 06 AM PDT 5.34 1229 0 Not Applicable
04/30/2025 07 AM PDT 5.34 1229 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/30/2025 08 AM PDT 5.33 1223 Not Applicable
04/30/2025 09 AM PDT 5.33 1223 0 Not Applicable
04/30/2025 10 AM PDT 5.33 1223 0 Not Applicable
04/30/2025 11 AM PDT 5.33 1223 0 Not Applicable
04/30/2025 12 PM PDT 5.33 1223 0 Not Applicable
04/30/2025 01 PM PDT 5.32 1216 - Not Applicable
04/30/2025 02 PM PDT 5.32 1216 0 Not Applicable
04/30/2025 03 PM PDT 5.32 1216 0 Not Applicable
04/30/2025 04 PM PDT 5.32 1216 0 Not Applicable
04/30/2025 05 PM PDT 5.31 1210 - Not Applicable
04/30/2025 06 PM PDT 5.31 1210 0 Not Applicable
04/30/2025 07 PM PDT 5.31 1210 0 Not Applicable
04/30/2025 08 PM PDT 5.31 1210 0 Not Applicable
04/30/2025 09 PM PDT 5.30 1204 - Not Applicable
04/30/2025 10 PM PDT 5.30 1204 0 Not Applicable
04/30/2025 11 PM PDT 5.30 1204 0 Not Applicable
05/01/2025 12 AM PDT 5.30 1204 0 Not Applicable
05/01/2025 01 AM PDT 5.29 1198 - Not Applicable
05/01/2025 02 AM PDT 5.29 1198 0 Not Applicable
05/01/2025 03 AM PDT 5.29 1198 0 Not Applicable
05/01/2025 04 AM PDT 5.29 1198 0 Not Applicable
05/01/2025 05 AM PDT 5.29 1198 0 Not Applicable
05/01/2025 06 AM PDT 5.28 1191 - Not Applicable
05/01/2025 07 AM PDT 5.28 1191 0 Not Applicable
05/01/2025 08 AM PDT 5.28 1191 0 Not Applicable
05/01/2025 09 AM PDT 5.28 1191 0 Not Applicable
05/01/2025 10 AM PDT 5.28 1191 0 Not Applicable
05/01/2025 11 AM PDT 5.27 1185 - Not Applicable
05/01/2025 12 PM PDT 5.27 1185 0 Not Applicable
05/01/2025 01 PM PDT 5.27 1185 0 Not Applicable
05/01/2025 02 PM PDT 5.27 1185 0 Not Applicable
05/01/2025 03 PM PDT 5.26 1179 - Not Applicable
05/01/2025 04 PM PDT 5.26 1179 0 Not Applicable
05/01/2025 05 PM PDT 5.26 1179 0 Not Applicable
05/01/2025 06 PM PDT 5.26 1179 0 Not Applicable
05/01/2025 07 PM PDT 5.26 1179 0 Not Applicable
05/01/2025 08 PM PDT 5.25 1173 - Not Applicable
05/01/2025 09 PM PDT 5.25 1173 0 Not Applicable
05/01/2025 10 PM PDT 5.25 1173 0 Not Applicable
05/01/2025 11 PM PDT 5.25 1173 0 Not Applicable
05/02/2025 12 AM PDT 5.25 1173 0 Not Applicable
05/02/2025 01 AM PDT 5.24 1167 - Not Applicable
05/02/2025 02 AM PDT 5.24 1167 0 Not Applicable
05/02/2025 03 AM PDT 5.24 1167 0 Not Applicable
05/02/2025 04 AM PDT 5.24 1167 0 Not Applicable
05/02/2025 05 AM PDT 5.23 1160 - Not Applicable
05/02/2025 06 AM PDT 5.23 1160 0 Not Applicable
05/02/2025 07 AM PDT 5.23 1160 0 Not Applicable
05/02/2025 08 AM PDT 5.23 1160 0 Not Applicable
05/02/2025 09 AM PDT 5.22 1154 - Not Applicable
05/02/2025 10 AM PDT 5.22 1154 0 Not Applicable
05/02/2025 11 AM PDT 5.22 1154 0 Not Applicable
05/02/2025 12 PM PDT 5.22 1154 0 Not Applicable
05/02/2025 01 PM PDT 5.22 1154 0 Not Applicable
05/02/2025 02 PM PDT 5.21 1148 - Not Applicable
05/02/2025 03 PM PDT 5.21 1148 0 Not Applicable
05/02/2025 04 PM PDT 5.21 1148 0 Not Applicable
05/02/2025 05 PM PDT 5.21 1148 0 Not Applicable
05/02/2025 06 PM PDT 5.21 1148 0 Not Applicable
05/02/2025 07 PM PDT 5.20 1142 - Not Applicable
05/02/2025 08 PM PDT 5.20 1142 0 Not Applicable
05/02/2025 09 PM PDT 5.20 1142 0 Not Applicable
05/02/2025 10 PM PDT 5.20 1142 0 Not Applicable
05/02/2025 11 PM PDT 5.20 1142 0 Not Applicable
05/03/2025 12 AM PDT 5.19 1136 - Not Applicable
05/03/2025 01 AM PDT 5.19 1136 0 Not Applicable
05/03/2025 02 AM PDT 5.19 1136 0 Not Applicable
05/03/2025 03 AM PDT 5.19 1136 0 Not Applicable
05/03/2025 04 AM PDT 5.18 1130 - Not Applicable
05/03/2025 05 AM PDT 5.18 1130 0 Not Applicable
05/03/2025 06 AM PDT 5.18 1130 0 Not Applicable
05/03/2025 07 AM PDT 5.18 1130 0 Not Applicable
05/03/2025 08 AM PDT 5.18 1130 0 Not Applicable
05/03/2025 09 AM PDT 5.17 1124 - Not Applicable
05/03/2025 10 AM PDT 5.17 1124 0 Not Applicable
05/03/2025 11 AM PDT 5.17 1124 0 Not Applicable
05/03/2025 12 PM PDT 5.17 1124 0 Not Applicable
05/03/2025 01 PM PDT 5.17 1124 0 Not Applicable
05/03/2025 02 PM PDT 5.17 1124 0 Not Applicable
05/03/2025 03 PM PDT 5.17 1124 0 Not Applicable
05/03/2025 04 PM PDT 5.17 1124 0 Not Applicable
05/03/2025 05 PM PDT 5.17 1124 0 Not Applicable
05/03/2025 06 PM PDT 5.16 1118 - Not Applicable
05/03/2025 07 PM PDT 5.16 1118 0 Not Applicable
05/03/2025 08 PM PDT 5.16 1118 0 Not Applicable
05/03/2025 09 PM PDT 5.16 1118 0 Not Applicable
05/03/2025 10 PM PDT 5.16 1118 0 Not Applicable
05/03/2025 11 PM PDT 5.15 1112 - Not Applicable
05/04/2025 12 AM PDT 5.15 1112 0 Not Applicable
05/04/2025 01 AM PDT 5.15 1112 0 Not Applicable
05/04/2025 02 AM PDT 5.15 1112 0 Not Applicable
05/04/2025 03 AM PDT 5.14 1106 - Not Applicable
05/04/2025 04 AM PDT 5.14 1106 0 Not Applicable
05/04/2025 05 AM PDT 5.14 1106 0 Not Applicable
05/04/2025 06 AM PDT 5.14 1106 0 Not Applicable
05/04/2025 07 AM PDT 5.13 1100 - Not Applicable
05/04/2025 08 AM PDT 5.13 1100 0 Not Applicable
05/04/2025 09 AM PDT 5.13 1100 0 Not Applicable
05/04/2025 10 AM PDT 5.13 1100 0 Not Applicable
05/04/2025 11 AM PDT 5.12 1094 - Not Applicable
05/04/2025 12 PM PDT 5.12 1094 0 Not Applicable
05/04/2025 01 PM PDT 5.12 1094 0 Not Applicable
05/04/2025 02 PM PDT 5.12 1094 0 Not Applicable
05/04/2025 03 PM PDT 5.11 1088 - Not Applicable
05/04/2025 04 PM PDT 5.11 1088 0 Not Applicable
05/04/2025 05 PM PDT 5.11 1088 0 Not Applicable
05/04/2025 06 PM PDT 5.11 1088 0 Not Applicable
05/04/2025 07 PM PDT 5.10 1082 - Not Applicable
05/04/2025 08 PM PDT 5.10 1082 0 Not Applicable
05/04/2025 09 PM PDT 5.10 1082 0 Not Applicable
05/04/2025 10 PM PDT 5.10 1082 0 Not Applicable
05/04/2025 11 PM PDT 5.09 1076 - Not Applicable
05/05/2025 12 AM PDT 5.09 1076 0 Not Applicable
05/05/2025 01 AM PDT 5.09 1076 0 Not Applicable
05/05/2025 02 AM PDT 5.09 1076 0 Not Applicable
05/05/2025 03 AM PDT 5.09 1076 0 Not Applicable
05/05/2025 04 AM PDT 5.08 1071 - Not Applicable
05/05/2025 05 AM PDT 5.08 1071 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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