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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 20 2026 at 1:18 PM PDT | Next Issuance: | Mar 21 2026 at 9:00 AM 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: 03/20/2026 at 01:22 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/16/2026 at 10:00 PM PDT
# Maximum Observed Stage: 2.06 Feet
# Maximum Observed Flow: 1107 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/21/2026 at 06:00 AM PDT
# Maximum Forecast Stage: 2.01 Feet
# Maximum Forecast Flow: 1078 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/15/2026 01 PM PDT 2.06 1107 Not Applicable
03/15/2026 02 PM PDT 2.06 1107 0 Not Applicable
03/15/2026 03 PM PDT 2.05 1101 - Not Applicable
03/15/2026 04 PM PDT 2.05 1101 0 Not Applicable
03/15/2026 05 PM PDT 2.06 1107 + Not Applicable
03/15/2026 06 PM PDT 2.06 1107 0 Not Applicable
03/15/2026 07 PM PDT 2.06 1107 0 Not Applicable
03/15/2026 08 PM PDT 2.05 1101 - Not Applicable
03/15/2026 09 PM PDT 2.06 1107 + Not Applicable
03/15/2026 10 PM PDT 2.05 1101 - Not Applicable
03/15/2026 11 PM PDT 2.05 1101 0 Not Applicable
03/16/2026 12 AM PDT 2.04 1095 - 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 2.06 1107 + Not Applicable
03/16/2026 04 AM PDT 2.05 1101 - Not Applicable
03/16/2026 05 AM PDT 2.06 1107 + Not Applicable
03/16/2026 06 AM PDT 2.05 1101 - Not Applicable
03/16/2026 07 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 08 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 09 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 10 AM PDT 2.05 1101 0 Not Applicable
03/16/2026 11 AM PDT 2.04 1095 - Not Applicable
03/16/2026 12 PM PDT 2.06 1107 + Not Applicable
03/16/2026 01 PM PDT 2.05 1101 - Not Applicable
03/16/2026 02 PM PDT 2.05 1101 0 Not Applicable
03/16/2026 03 PM PDT 2.05 1101 0 Not Applicable
03/16/2026 04 PM PDT 2.05 1101 0 Not Applicable
03/16/2026 05 PM PDT 2.04 1095 - Not Applicable
03/16/2026 06 PM PDT 2.06 1107 + Not Applicable
03/16/2026 07 PM PDT 2.06 1107 0 Not Applicable
03/16/2026 08 PM PDT 2.05 1101 - Not Applicable
03/16/2026 09 PM PDT 2.06 1107 + Not Applicable
03/16/2026 10 PM PDT 2.06 1107 0 Not Applicable
03/16/2026 11 PM PDT 2.05 1101 - Not Applicable
03/17/2026 12 AM PDT 2.05 1101 0 Not Applicable
03/17/2026 01 AM PDT 2.04 1095 - Not Applicable
03/17/2026 02 AM PDT 2.04 1095 0 Not Applicable
03/17/2026 03 AM PDT 2.05 1101 + Not Applicable
03/17/2026 04 AM PDT 2.04 1095 - Not Applicable
03/17/2026 05 AM PDT 2.04 1095 0 Not Applicable
03/17/2026 06 AM PDT 2.04 1095 0 Not Applicable
03/17/2026 07 AM PDT 2.05 1101 + Not Applicable
03/17/2026 08 AM PDT 2.04 1095 - Not Applicable
03/17/2026 09 AM PDT 2.04 1095 0 Not Applicable
03/17/2026 10 AM PDT 2.04 1095 0 Not Applicable
03/17/2026 11 AM PDT 2.04 1095 0 Not Applicable
03/17/2026 12 PM PDT 2.05 1101 + Not Applicable
03/17/2026 01 PM PDT 2.05 1101 0 Not Applicable
03/17/2026 02 PM PDT 2.04 1095 - Not Applicable
03/17/2026 03 PM PDT 2.05 1101 + Not Applicable
03/17/2026 04 PM PDT 2.04 1095 - Not Applicable
03/17/2026 05 PM PDT 2.05 1101 + Not Applicable
03/17/2026 06 PM PDT 2.04 1095 - Not Applicable
03/17/2026 07 PM PDT 2.05 1101 + Not Applicable
03/17/2026 08 PM PDT 2.04 1095 - Not Applicable
03/17/2026 09 PM PDT 2.05 1101 + Not Applicable
03/17/2026 10 PM PDT 2.05 1101 0 Not Applicable
03/17/2026 11 PM PDT 2.03 1089 - Not Applicable
03/18/2026 12 AM PDT 2.04 1095 + Not Applicable
03/18/2026 01 AM PDT 2.04 1095 0 Not Applicable
03/18/2026 02 AM PDT 2.03 1089 - Not Applicable
03/18/2026 03 AM PDT 2.03 1089 0 Not Applicable
03/18/2026 04 AM PDT 2.03 1089 0 Not Applicable
03/18/2026 05 AM PDT 2.03 1089 0 Not Applicable
03/18/2026 06 AM PDT 2.02 1083 - Not Applicable
03/18/2026 07 AM PDT 2.03 1089 + Not Applicable
03/18/2026 08 AM PDT 2.03 1089 0 Not Applicable
03/18/2026 09 AM PDT 2.03 1089 0 Not Applicable
03/18/2026 10 AM PDT 2.02 1083 - Not Applicable
03/18/2026 11 AM PDT 2.03 1089 + Not Applicable
03/18/2026 12 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 01 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 02 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 03 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 04 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 05 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 06 PM PDT 2.03 1089 0 Not Applicable
03/18/2026 07 PM PDT 2.04 1095 + Not Applicable
03/18/2026 08 PM PDT 2.02 1083 - Not Applicable
03/18/2026 09 PM PDT 2.03 1089 + Not Applicable
03/18/2026 10 PM PDT 2.02 1083 - Not Applicable
03/18/2026 11 PM PDT 2.03 1089 + Not Applicable
03/19/2026 12 AM PDT 2.02 1083 - Not Applicable
03/19/2026 01 AM PDT 2.02 1083 0 Not Applicable
03/19/2026 02 AM PDT 2.01 1078 - Not Applicable
03/19/2026 03 AM PDT 2.00 1072 - Not Applicable
03/19/2026 04 AM PDT 2.01 1078 + Not Applicable
03/19/2026 05 AM PDT 2.03 1089 + Not Applicable
03/19/2026 06 AM PDT 2.02 1083 - Not Applicable
03/19/2026 07 AM PDT 2.01 1078 - Not Applicable
03/19/2026 08 AM PDT 2.01 1078 0 Not Applicable
03/19/2026 09 AM PDT 2.00 1072 - Not Applicable
03/19/2026 10 AM PDT 2.01 1078 + Not Applicable
03/19/2026 11 AM PDT 2.01 1078 0 Not Applicable
03/19/2026 12 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 01 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 02 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 03 PM PDT 2.02 1083 + Not Applicable
03/19/2026 04 PM PDT 2.01 1078 - Not Applicable
03/19/2026 05 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 06 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 07 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 08 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 09 PM PDT 2.01 1078 0 Not Applicable
03/19/2026 10 PM PDT 2.00 1072 - Not Applicable
03/19/2026 11 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 12 AM PDT 2.00 1072 0 Not Applicable
03/20/2026 01 AM PDT 2.00 1072 0 Not Applicable
03/20/2026 02 AM PDT 2.01 1078 + Not Applicable
03/20/2026 03 AM PDT 2.00 1072 - Not Applicable
03/20/2026 04 AM PDT 2.01 1078 + Not Applicable
03/20/2026 05 AM PDT 2.01 1078 0 Not Applicable
03/20/2026 06 AM PDT 2.00 1072 - Not Applicable
03/20/2026 07 AM PDT 2.00 1072 0 Not Applicable
03/20/2026 08 AM PDT 2.01 1078 + Not Applicable
03/20/2026 09 AM PDT 2.01 1078 0 Not Applicable
03/20/2026 10 AM PDT 2.00 1072 - Not Applicable
03/20/2026 11 AM PDT 2.00 1072 0 Not Applicable
03/20/2026 12 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 01 PM PDT 2.00 1072 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/20/2026 02 PM PDT 2.00 1072 Not Applicable
03/20/2026 03 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 04 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 05 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 06 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 07 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 08 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 09 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 10 PM PDT 2.00 1072 0 Not Applicable
03/20/2026 11 PM PDT 2.00 1072 0 Not Applicable
03/21/2026 12 AM PDT 2.00 1072 0 Not Applicable
03/21/2026 01 AM PDT 2.00 1072 0 Not Applicable
03/21/2026 02 AM PDT 2.00 1072 0 Not Applicable
03/21/2026 03 AM PDT 2.00 1072 0 Not Applicable
03/21/2026 04 AM PDT 2.00 1072 0 Not Applicable
03/21/2026 05 AM PDT 2.00 1072 0 Not Applicable
03/21/2026 06 AM PDT 2.01 1078 + Not Applicable
03/21/2026 07 AM PDT 2.01 1078 0 Not Applicable
03/21/2026 08 AM PDT 2.01 1078 0 Not Applicable
03/21/2026 09 AM PDT 2.01 1078 0 Not Applicable
03/21/2026 10 AM PDT 2.01 1078 0 Not Applicable
03/21/2026 11 AM PDT 2.01 1078 0 Not Applicable
03/21/2026 12 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 01 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 02 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 03 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 04 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 05 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 06 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 07 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 08 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 09 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 10 PM PDT 2.01 1078 0 Not Applicable
03/21/2026 11 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 12 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 01 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 02 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 03 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 04 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 05 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 06 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 07 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 08 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 09 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 10 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 11 AM PDT 2.01 1078 0 Not Applicable
03/22/2026 12 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 01 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 02 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 03 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 04 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 05 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 06 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 07 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 08 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 09 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 10 PM PDT 2.01 1078 0 Not Applicable
03/22/2026 11 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 12 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 01 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 02 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 03 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 04 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 05 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 06 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 07 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 08 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 09 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 10 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 11 AM PDT 2.01 1078 0 Not Applicable
03/23/2026 12 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 01 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 02 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 03 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 04 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 05 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 06 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 07 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 08 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 09 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 10 PM PDT 2.01 1078 0 Not Applicable
03/23/2026 11 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 12 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 01 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 02 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 03 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 04 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 05 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 06 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 07 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 08 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 09 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 10 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 11 AM PDT 2.01 1078 0 Not Applicable
03/24/2026 12 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 01 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 02 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 03 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 04 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 05 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 06 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 07 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 08 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 09 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 10 PM PDT 2.01 1078 0 Not Applicable
03/24/2026 11 PM PDT 2.01 1078 0 Not Applicable
03/25/2026 12 AM PDT 2.01 1078 0 Not Applicable
03/25/2026 01 AM PDT 2.01 1078 0 Not Applicable
03/25/2026 02 AM PDT 2.01 1078 0 Not Applicable
03/25/2026 03 AM PDT 2.01 1078 0 Not Applicable
03/25/2026 04 AM PDT 2.01 1078 0 Not Applicable
03/25/2026 05 AM PDT 2.01 1078 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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