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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: | May 05 2026 at 7:46 AM PDT | Next Issuance: | May 06 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: 05/05/2026 at 07:47 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/04/2026 at 02:00 PM PDT
# Maximum Observed Stage: 2.40 Feet
# Maximum Observed Flow: 1327 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/05/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 2.36 Feet
# Maximum Forecast Flow: 1300 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/30/2026 07 AM PDT 2.37 1307 Not Applicable
04/30/2026 08 AM PDT 2.36 1300 - Not Applicable
04/30/2026 09 AM PDT 2.37 1307 + Not Applicable
04/30/2026 10 AM PDT 2.37 1307 0 Not Applicable
04/30/2026 11 AM PDT 2.37 1307 0 Not Applicable
04/30/2026 12 PM PDT 2.38 1313 + Not Applicable
04/30/2026 01 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 02 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 03 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 04 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 05 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 06 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 07 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 08 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 09 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 10 PM PDT 2.38 1313 0 Not Applicable
04/30/2026 11 PM PDT 2.37 1307 - Not Applicable
05/01/2026 12 AM PDT 2.36 1300 - Not Applicable
05/01/2026 01 AM PDT 2.37 1307 + Not Applicable
05/01/2026 02 AM PDT 2.36 1300 - Not Applicable
05/01/2026 03 AM PDT 2.36 1300 0 Not Applicable
05/01/2026 04 AM PDT 2.37 1307 + Not Applicable
05/01/2026 05 AM PDT 2.37 1307 0 Not Applicable
05/01/2026 06 AM PDT 2.37 1307 0 Not Applicable
05/01/2026 07 AM PDT 2.36 1300 - Not Applicable
05/01/2026 08 AM PDT 2.37 1307 + Not Applicable
05/01/2026 09 AM PDT 2.37 1307 0 Not Applicable
05/01/2026 10 AM PDT 2.37 1307 0 Not Applicable
05/01/2026 11 AM PDT 2.37 1307 0 Not Applicable
05/01/2026 12 PM PDT 2.36 1300 - Not Applicable
05/01/2026 01 PM PDT 2.37 1307 + Not Applicable
05/01/2026 02 PM PDT 2.37 1307 0 Not Applicable
05/01/2026 03 PM PDT 2.37 1307 0 Not Applicable
05/01/2026 04 PM PDT 2.38 1313 + Not Applicable
05/01/2026 05 PM PDT 2.37 1307 - Not Applicable
05/01/2026 06 PM PDT 2.37 1307 0 Not Applicable
05/01/2026 07 PM PDT 2.37 1307 0 Not Applicable
05/01/2026 08 PM PDT 2.38 1313 + Not Applicable
05/01/2026 09 PM PDT 2.37 1307 - Not Applicable
05/01/2026 10 PM PDT 2.35 1293 - Not Applicable
05/01/2026 11 PM PDT 2.36 1300 + Not Applicable
05/02/2026 12 AM PDT 2.36 1300 0 Not Applicable
05/02/2026 01 AM PDT 2.36 1300 0 Not Applicable
05/02/2026 02 AM PDT 2.37 1307 + Not Applicable
05/02/2026 03 AM PDT 2.36 1300 - Not Applicable
05/02/2026 04 AM PDT 2.37 1307 + Not Applicable
05/02/2026 05 AM PDT 2.36 1300 - Not Applicable
05/02/2026 06 AM PDT 2.36 1300 0 Not Applicable
05/02/2026 07 AM PDT 2.37 1307 + Not Applicable
05/02/2026 08 AM PDT 2.37 1307 0 Not Applicable
05/02/2026 09 AM PDT 2.37 1307 0 Not Applicable
05/02/2026 10 AM PDT 2.36 1300 - Not Applicable
05/02/2026 11 AM PDT 2.37 1307 + Not Applicable
05/02/2026 12 PM PDT 2.37 1307 0 Not Applicable
05/02/2026 01 PM PDT 2.37 1307 0 Not Applicable
05/02/2026 02 PM PDT 2.38 1313 + Not Applicable
05/02/2026 03 PM PDT 2.39 1320 + Not Applicable
05/02/2026 04 PM PDT 2.39 1320 0 Not Applicable
05/02/2026 05 PM PDT 2.40 1327 + Not Applicable
05/02/2026 06 PM PDT 2.38 1313 - Not Applicable
05/02/2026 07 PM PDT 2.39 1320 + Not Applicable
05/02/2026 08 PM PDT 2.39 1320 0 Not Applicable
05/02/2026 09 PM PDT 2.37 1307 - Not Applicable
05/02/2026 10 PM PDT 2.36 1300 - Not Applicable
05/02/2026 11 PM PDT 2.36 1300 0 Not Applicable
05/03/2026 12 AM PDT 2.36 1300 0 Not Applicable
05/03/2026 01 AM PDT 2.38 1313 + Not Applicable
05/03/2026 02 AM PDT 2.37 1307 - Not Applicable
05/03/2026 03 AM PDT 2.36 1300 - Not Applicable
05/03/2026 04 AM PDT 2.37 1307 + Not Applicable
05/03/2026 05 AM PDT 2.37 1307 0 Not Applicable
05/03/2026 06 AM PDT 2.37 1307 0 Not Applicable
05/03/2026 07 AM PDT 2.37 1307 0 Not Applicable
05/03/2026 08 AM PDT 2.37 1307 0 Not Applicable
05/03/2026 09 AM PDT 2.38 1313 + Not Applicable
05/03/2026 10 AM PDT 2.38 1313 0 Not Applicable
05/03/2026 11 AM PDT 2.38 1313 0 Not Applicable
05/03/2026 12 PM PDT 2.38 1313 0 Not Applicable
05/03/2026 01 PM PDT 2.36 1300 - Not Applicable
05/03/2026 02 PM PDT 2.37 1307 + Not Applicable
05/03/2026 03 PM PDT 2.37 1307 0 Not Applicable
05/03/2026 04 PM PDT 2.38 1313 + Not Applicable
05/03/2026 05 PM PDT 2.38 1313 0 Not Applicable
05/03/2026 06 PM PDT 2.37 1307 - Not Applicable
05/03/2026 07 PM PDT 2.37 1307 0 Not Applicable
05/03/2026 08 PM PDT 2.37 1307 0 Not Applicable
05/03/2026 09 PM PDT 2.37 1307 0 Not Applicable
05/03/2026 10 PM PDT 2.37 1307 0 Not Applicable
05/03/2026 11 PM PDT 2.38 1313 + Not Applicable
05/04/2026 12 AM PDT 2.39 1320 + Not Applicable
05/04/2026 01 AM PDT 2.38 1313 - Not Applicable
05/04/2026 02 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 03 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 04 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 05 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 06 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 07 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 08 AM PDT 2.39 1320 + Not Applicable
05/04/2026 09 AM PDT 2.39 1320 0 Not Applicable
05/04/2026 10 AM PDT 2.38 1313 - Not Applicable
05/04/2026 11 AM PDT 2.38 1313 0 Not Applicable
05/04/2026 12 PM PDT 2.39 1320 + Not Applicable
05/04/2026 01 PM PDT 2.38 1313 - Not Applicable
05/04/2026 02 PM PDT 2.40 1327 + Not Applicable
05/04/2026 03 PM PDT 2.38 1313 - Not Applicable
05/04/2026 04 PM PDT 2.39 1320 + Not Applicable
05/04/2026 05 PM PDT 2.38 1313 - Not Applicable
05/04/2026 06 PM PDT 2.37 1307 - Not Applicable
05/04/2026 07 PM PDT 2.37 1307 0 Not Applicable
05/04/2026 08 PM PDT 2.36 1300 - Not Applicable
05/04/2026 09 PM PDT 2.36 1300 0 Not Applicable
05/04/2026 10 PM PDT 2.36 1300 0 Not Applicable
05/04/2026 11 PM PDT 2.36 1300 0 Not Applicable
05/05/2026 12 AM PDT 2.36 1300 0 Not Applicable
05/05/2026 01 AM PDT 2.38 1313 + Not Applicable
05/05/2026 02 AM PDT 2.37 1307 - Not Applicable
05/05/2026 03 AM PDT 2.38 1313 + Not Applicable
05/05/2026 04 AM PDT 2.38 1313 0 Not Applicable
05/05/2026 05 AM PDT 2.36 1300 - Not Applicable
05/05/2026 06 AM PDT 2.36 1300 0 Not Applicable
05/05/2026 07 AM PDT 2.36 1300 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/05/2026 08 AM PDT 2.36 1300 Not Applicable
05/05/2026 09 AM PDT 2.35 1293 - Not Applicable
05/05/2026 10 AM PDT 2.35 1293 0 Not Applicable
05/05/2026 11 AM PDT 2.35 1293 0 Not Applicable
05/05/2026 12 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 01 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 02 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 03 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 04 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 05 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 06 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 07 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 08 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 09 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 10 PM PDT 2.35 1293 0 Not Applicable
05/05/2026 11 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 12 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 01 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 02 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 03 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 04 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 05 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 06 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 07 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 08 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 09 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 10 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 11 AM PDT 2.35 1293 0 Not Applicable
05/06/2026 12 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 01 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 02 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 03 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 04 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 05 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 06 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 07 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 08 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 09 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 10 PM PDT 2.35 1293 0 Not Applicable
05/06/2026 11 PM PDT 2.35 1293 0 Not Applicable
05/07/2026 12 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 01 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 02 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 03 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 04 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 05 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 06 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 07 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 08 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 09 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 10 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 11 AM PDT 2.35 1293 0 Not Applicable
05/07/2026 12 PM PDT 2.35 1293 0 Not Applicable
05/07/2026 01 PM PDT 2.35 1293 0 Not Applicable
05/07/2026 02 PM PDT 2.35 1293 0 Not Applicable
05/07/2026 03 PM PDT 2.36 1300 + Not Applicable
05/07/2026 04 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 05 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 06 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 07 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 08 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 09 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 10 PM PDT 2.36 1300 0 Not Applicable
05/07/2026 11 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 12 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 01 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 02 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 03 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 04 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 05 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 06 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 07 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 08 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 09 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 10 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 11 AM PDT 2.36 1300 0 Not Applicable
05/08/2026 12 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 01 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 02 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 03 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 04 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 05 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 06 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 07 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 08 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 09 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 10 PM PDT 2.36 1300 0 Not Applicable
05/08/2026 11 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 12 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 01 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 02 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 03 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 04 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 05 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 06 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 07 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 08 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 09 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 10 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 11 AM PDT 2.36 1300 0 Not Applicable
05/09/2026 12 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 01 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 02 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 03 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 04 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 05 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 06 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 07 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 08 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 09 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 10 PM PDT 2.36 1300 0 Not Applicable
05/09/2026 11 PM PDT 2.36 1300 0 Not Applicable
05/10/2026 12 AM PDT 2.36 1300 0 Not Applicable
05/10/2026 01 AM PDT 2.36 1300 0 Not Applicable
05/10/2026 02 AM PDT 2.36 1300 0 Not Applicable
05/10/2026 03 AM PDT 2.36 1300 0 Not Applicable
05/10/2026 04 AM PDT 2.36 1300 0 Not Applicable
05/10/2026 05 AM PDT 2.36 1300 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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