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KLAMATH RIVER - IRON GATE (IRGC1)
| Latitude: 41.93º N | Longitude: 122.44º W | Elevation: 2162 Feet | | Forecast Type: Unofficial Location |
| Location: Siskiyou County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Mar 13 2026 at 6:50 AM PDT | Next Issuance: | Mar 13 2026 at 3:00 PM PDT
| |
| Action/Monitor: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Iron Gate (IRGC1)
#
# File Generation Time: 03/13/2026 at 06:52 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/08/2026 at 06:00 AM PDT
# Maximum Observed Stage: 2.19 Feet
# Maximum Observed Flow: 1188 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/14/2026 at 04:00 PM PDT
# Maximum Forecast Stage: 2.15 Feet
# Maximum Forecast Flow: 1162 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/08/2026 06 AM PDT 2.19 1188 Not Applicable
03/08/2026 07 AM PDT 2.17 1175 - Not Applicable
03/08/2026 08 AM PDT 2.17 1175 0 Not Applicable
03/08/2026 09 AM PDT 2.17 1175 0 Not Applicable
03/08/2026 10 AM PDT 2.17 1175 0 Not Applicable
03/08/2026 11 AM PDT 2.16 1168 - Not Applicable
03/08/2026 12 PM PDT 2.17 1175 + Not Applicable
03/08/2026 01 PM PDT 2.17 1175 0 Not Applicable
03/08/2026 02 PM PDT 2.18 1181 + Not Applicable
03/08/2026 03 PM PDT 2.17 1175 - Not Applicable
03/08/2026 04 PM PDT 2.17 1175 0 Not Applicable
03/08/2026 05 PM PDT 2.18 1181 + Not Applicable
03/08/2026 06 PM PDT 2.17 1175 - Not Applicable
03/08/2026 07 PM PDT 2.16 1168 - Not Applicable
03/08/2026 08 PM PDT 2.15 1162 - Not Applicable
03/08/2026 09 PM PDT 2.16 1168 + Not Applicable
03/08/2026 10 PM PDT 2.16 1168 0 Not Applicable
03/08/2026 11 PM PDT 2.14 1156 - Not Applicable
03/09/2026 12 AM PDT 2.15 1162 + Not Applicable
03/09/2026 01 AM PDT 2.14 1156 - Not Applicable
03/09/2026 02 AM PDT 2.15 1162 + Not Applicable
03/09/2026 03 AM PDT 2.15 1162 0 Not Applicable
03/09/2026 04 AM PDT 2.15 1162 0 Not Applicable
03/09/2026 05 AM PDT 2.14 1156 - Not Applicable
03/09/2026 06 AM PDT 2.15 1162 + Not Applicable
03/09/2026 07 AM PDT 2.15 1162 0 Not Applicable
03/09/2026 08 AM PDT 2.15 1162 0 Not Applicable
03/09/2026 09 AM PDT 2.15 1162 0 Not Applicable
03/09/2026 10 AM PDT 2.14 1156 - Not Applicable
03/09/2026 11 AM PDT 2.14 1156 0 Not Applicable
03/09/2026 12 PM PDT 2.13 1149 - Not Applicable
03/09/2026 01 PM PDT 2.14 1156 + Not Applicable
03/09/2026 02 PM PDT 2.14 1156 0 Not Applicable
03/09/2026 03 PM PDT 2.14 1156 0 Not Applicable
03/09/2026 04 PM PDT 2.15 1162 + Not Applicable
03/09/2026 05 PM PDT 2.15 1162 0 Not Applicable
03/09/2026 06 PM PDT 2.14 1156 - Not Applicable
03/09/2026 07 PM PDT 2.12 1143 - Not Applicable
03/09/2026 08 PM PDT 2.13 1149 + Not Applicable
03/09/2026 09 PM PDT 2.12 1143 - Not Applicable
03/09/2026 10 PM PDT 2.12 1143 0 Not Applicable
03/09/2026 11 PM PDT 2.12 1143 0 Not Applicable
03/10/2026 12 AM PDT 2.11 1137 - Not Applicable
03/10/2026 01 AM PDT 2.12 1143 + Not Applicable
03/10/2026 02 AM PDT 2.11 1137 - Not Applicable
03/10/2026 03 AM PDT 2.12 1143 + Not Applicable
03/10/2026 04 AM PDT 2.12 1143 0 Not Applicable
03/10/2026 05 AM PDT 2.13 1149 + Not Applicable
03/10/2026 06 AM PDT 2.12 1143 - Not Applicable
03/10/2026 07 AM PDT 2.12 1143 0 Not Applicable
03/10/2026 08 AM PDT 2.13 1149 + Not Applicable
03/10/2026 09 AM PDT 2.12 1143 - Not Applicable
03/10/2026 10 AM PDT 2.11 1137 - Not Applicable
03/10/2026 11 AM PDT 2.12 1143 + Not Applicable
03/10/2026 12 PM PDT 2.10 1130 - Not Applicable
03/10/2026 01 PM PDT 2.10 1130 0 Not Applicable
03/10/2026 02 PM PDT 2.12 1143 + Not Applicable
03/10/2026 03 PM PDT 2.12 1143 0 Not Applicable
03/10/2026 04 PM PDT 2.10 1130 - Not Applicable
03/10/2026 05 PM PDT 2.10 1130 0 Not Applicable
03/10/2026 06 PM PDT 2.11 1137 + Not Applicable
03/10/2026 07 PM PDT 2.11 1137 0 Not Applicable
03/10/2026 08 PM PDT 2.10 1130 - Not Applicable
03/10/2026 09 PM PDT 2.10 1130 0 Not Applicable
03/10/2026 10 PM PDT 2.10 1130 0 Not Applicable
03/10/2026 11 PM PDT 2.10 1130 0 Not Applicable
03/11/2026 12 AM PDT 2.10 1130 0 Not Applicable
03/11/2026 01 AM PDT 2.09 1124 - Not Applicable
03/11/2026 02 AM PDT 2.09 1124 0 Not Applicable
03/11/2026 03 AM PDT 2.08 1119 - Not Applicable
03/11/2026 04 AM PDT 2.08 1119 0 Not Applicable
03/11/2026 05 AM PDT 2.08 1119 0 Not Applicable
03/11/2026 06 AM PDT 2.08 1119 0 Not Applicable
03/11/2026 07 AM PDT 2.08 1119 0 Not Applicable
03/11/2026 08 AM PDT 2.10 1130 + Not Applicable
03/11/2026 09 AM PDT 2.10 1130 0 Not Applicable
03/11/2026 10 AM PDT 2.10 1130 0 Not Applicable
03/11/2026 11 AM PDT 2.10 1130 0 Not Applicable
03/11/2026 12 PM PDT 2.09 1124 - Not Applicable
03/11/2026 01 PM PDT 2.10 1130 + Not Applicable
03/11/2026 02 PM PDT 2.09 1124 - Not Applicable
03/11/2026 03 PM PDT 2.09 1124 0 Not Applicable
03/11/2026 04 PM PDT 2.08 1119 - Not Applicable
03/11/2026 05 PM PDT 2.08 1119 0 Not Applicable
03/11/2026 06 PM PDT 2.10 1130 + Not Applicable
03/11/2026 07 PM PDT 2.09 1124 - Not Applicable
03/11/2026 08 PM PDT 2.08 1119 - Not Applicable
03/11/2026 09 PM PDT 2.09 1124 + Not Applicable
03/11/2026 10 PM PDT 2.08 1119 - Not Applicable
03/11/2026 11 PM PDT 2.09 1124 + Not Applicable
03/12/2026 12 AM PDT 2.08 1119 - Not Applicable
03/12/2026 01 AM PDT 2.10 1130 + Not Applicable
03/12/2026 02 AM PDT 2.08 1119 - Not Applicable
03/12/2026 03 AM PDT 2.09 1124 + Not Applicable
03/12/2026 04 AM PDT 2.10 1130 + Not Applicable
03/12/2026 05 AM PDT 2.09 1124 - Not Applicable
03/12/2026 06 AM PDT 2.08 1119 - Not Applicable
03/12/2026 07 AM PDT 2.07 1113 - Not Applicable
03/12/2026 08 AM PDT 2.09 1124 + Not Applicable
03/12/2026 09 AM PDT 2.08 1119 - Not Applicable
03/12/2026 10 AM PDT 2.09 1124 + Not Applicable
03/12/2026 11 AM PDT 2.09 1124 0 Not Applicable
03/12/2026 12 PM PDT 2.09 1124 0 Not Applicable
03/12/2026 01 PM PDT 2.08 1119 - Not Applicable
03/12/2026 02 PM PDT 2.08 1119 0 Not Applicable
03/12/2026 03 PM PDT 2.09 1124 + Not Applicable
03/12/2026 04 PM PDT 2.09 1124 0 Not Applicable
03/12/2026 05 PM PDT 2.09 1124 0 Not Applicable
03/12/2026 06 PM PDT 2.09 1124 0 Not Applicable
03/12/2026 07 PM PDT 2.07 1113 - Not Applicable
03/12/2026 08 PM PDT 2.07 1113 0 Not Applicable
03/12/2026 09 PM PDT 2.08 1119 + Not Applicable
03/12/2026 10 PM PDT 2.08 1119 0 Not Applicable
03/12/2026 11 PM PDT 2.09 1124 + Not Applicable
03/13/2026 12 AM PDT 2.08 1119 - Not Applicable
03/13/2026 01 AM PDT 2.08 1119 0 Not Applicable
03/13/2026 02 AM PDT 2.08 1119 0 Not Applicable
03/13/2026 03 AM PDT 2.06 1107 - Not Applicable
03/13/2026 04 AM PDT 2.06 1107 0 Not Applicable
03/13/2026 05 AM PDT 2.07 1113 + Not Applicable
03/13/2026 06 AM PDT 2.07 1113 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/13/2026 07 AM PDT 2.07 1113 Not Applicable
03/13/2026 08 AM PDT 2.07 1113 0 Not Applicable
03/13/2026 09 AM PDT 2.07 1113 0 Not Applicable
03/13/2026 10 AM PDT 2.07 1113 0 Not Applicable
03/13/2026 11 AM PDT 2.07 1113 0 Not Applicable
03/13/2026 12 PM PDT 2.07 1113 0 Not Applicable
03/13/2026 01 PM PDT 2.07 1113 0 Not Applicable
03/13/2026 02 PM PDT 2.06 1107 - Not Applicable
03/13/2026 03 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 04 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 05 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 06 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 07 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 08 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 09 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 10 PM PDT 2.06 1107 0 Not Applicable
03/13/2026 11 PM PDT 2.06 1107 0 Not Applicable
03/14/2026 12 AM PDT 2.06 1107 0 Not Applicable
03/14/2026 01 AM PDT 2.06 1107 0 Not Applicable
03/14/2026 02 AM PDT 2.05 1101 - Not Applicable
03/14/2026 03 AM PDT 2.05 1101 0 Not Applicable
03/14/2026 04 AM PDT 2.05 1101 0 Not Applicable
03/14/2026 05 AM PDT 2.05 1101 0 Not Applicable
03/14/2026 06 AM PDT 2.05 1101 0 Not Applicable
03/14/2026 07 AM PDT 2.05 1101 0 Not Applicable
03/14/2026 08 AM PDT 2.05 1101 0 Not Applicable
03/14/2026 09 AM PDT 2.06 1107 + Not Applicable
03/14/2026 10 AM PDT 2.07 1113 + Not Applicable
03/14/2026 11 AM PDT 2.08 1119 + Not Applicable
03/14/2026 12 PM PDT 2.10 1130 + Not Applicable
03/14/2026 01 PM PDT 2.12 1143 + Not Applicable
03/14/2026 02 PM PDT 2.13 1149 + Not Applicable
03/14/2026 03 PM PDT 2.14 1156 + Not Applicable
03/14/2026 04 PM PDT 2.15 1162 + Not Applicable
03/14/2026 05 PM PDT 2.15 1162 0 Not Applicable
03/14/2026 06 PM PDT 2.15 1162 0 Not Applicable
03/14/2026 07 PM PDT 2.14 1156 - Not Applicable
03/14/2026 08 PM PDT 2.13 1149 - Not Applicable
03/14/2026 09 PM PDT 2.13 1149 0 Not Applicable
03/14/2026 10 PM PDT 2.12 1143 - Not Applicable
03/14/2026 11 PM PDT 2.12 1143 0 Not Applicable
03/15/2026 12 AM PDT 2.12 1143 0 Not Applicable
03/15/2026 01 AM PDT 2.12 1143 0 Not Applicable
03/15/2026 02 AM PDT 2.12 1143 0 Not Applicable
03/15/2026 03 AM PDT 2.12 1143 0 Not Applicable
03/15/2026 04 AM PDT 2.12 1143 0 Not Applicable
03/15/2026 05 AM PDT 2.12 1143 0 Not Applicable
03/15/2026 06 AM PDT 2.11 1137 - Not Applicable
03/15/2026 07 AM PDT 2.11 1137 0 Not Applicable
03/15/2026 08 AM PDT 2.11 1137 0 Not Applicable
03/15/2026 09 AM PDT 2.11 1137 0 Not Applicable
03/15/2026 10 AM PDT 2.10 1130 - Not Applicable
03/15/2026 11 AM PDT 2.10 1130 0 Not Applicable
03/15/2026 12 PM PDT 2.10 1130 0 Not Applicable
03/15/2026 01 PM PDT 2.10 1130 0 Not Applicable
03/15/2026 02 PM PDT 2.09 1124 - Not Applicable
03/15/2026 03 PM PDT 2.09 1124 0 Not Applicable
03/15/2026 04 PM PDT 2.08 1119 - Not Applicable
03/15/2026 05 PM PDT 2.08 1119 0 Not Applicable
03/15/2026 06 PM PDT 2.08 1119 0 Not Applicable
03/15/2026 07 PM PDT 2.07 1113 - Not Applicable
03/15/2026 08 PM PDT 2.07 1113 0 Not Applicable
03/15/2026 09 PM PDT 2.07 1113 0 Not Applicable
03/15/2026 10 PM PDT 2.06 1107 - Not Applicable
03/15/2026 11 PM PDT 2.06 1107 0 Not Applicable
03/16/2026 12 AM PDT 2.06 1107 0 Not Applicable
03/16/2026 01 AM PDT 2.05 1101 - Not Applicable
03/16/2026 02 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 03 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 04 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 05 AM PDT 2.04 1095 - Not Applicable
03/16/2026 06 AM PDT 2.04 1095 0 Not Applicable
03/16/2026 07 AM PDT 2.04 1095 0 Not Applicable
03/16/2026 08 AM PDT 2.04 1095 0 Not Applicable
03/16/2026 09 AM PDT 2.04 1095 0 Not Applicable
03/16/2026 10 AM PDT 2.04 1095 0 Not Applicable
03/16/2026 11 AM PDT 2.04 1095 0 Not Applicable
03/16/2026 12 PM PDT 2.03 1089 - Not Applicable
03/16/2026 01 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 02 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 03 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 04 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 05 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 06 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 07 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 08 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 09 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 10 PM PDT 2.03 1089 0 Not Applicable
03/16/2026 11 PM PDT 2.02 1083 - Not Applicable
03/17/2026 12 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 01 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 02 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 03 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 04 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 05 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 06 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 07 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 08 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 09 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 10 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 11 AM PDT 2.02 1083 0 Not Applicable
03/17/2026 12 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 01 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 02 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 03 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 04 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 05 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 06 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 07 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 08 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 09 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 10 PM PDT 2.02 1083 0 Not Applicable
03/17/2026 11 PM PDT 2.02 1083 0 Not Applicable
03/18/2026 12 AM PDT 2.02 1083 0 Not Applicable
03/18/2026 01 AM PDT 2.02 1083 0 Not Applicable
03/18/2026 02 AM PDT 2.02 1083 0 Not Applicable
03/18/2026 03 AM PDT 2.02 1083 0 Not Applicable
03/18/2026 04 AM PDT 2.02 1083 0 Not Applicable
03/18/2026 05 AM PDT 2.02 1083 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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