National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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KLAMATH RIVER - IRON GATE (IRGC1)
Latitude: 41.93º NLongitude: 122.44º WElevation: 2162 Feet
Location: Siskiyou County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Nov 12 2025 at 1:18 PM PSTNext Issuance: Nov 13 2025 at 9:00 AM PST
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:  11/12/2025 at 01:20 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/07/2025 at 06:00 PM PST
# Maximum Observed Stage:                       2.04 Feet
# Maximum Observed Flow:                        1124 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/14/2025 at 12:00 AM PST
# Maximum Forecast Stage:                       2.03 Feet
# Maximum Forecast Flow:                        1119 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/07/2025 01 PM PST            2.04           1124                Not Applicable
  11/07/2025 02 PM PST            2.04           1124         0      Not Applicable
  11/07/2025 03 PM PST            2.03           1119         -      Not Applicable
  11/07/2025 04 PM PST            2.03           1119         0      Not Applicable
  11/07/2025 05 PM PST            2.03           1119         0      Not Applicable
  11/07/2025 06 PM PST            2.04           1124         +      Not Applicable
  11/07/2025 07 PM PST            2.03           1119         -      Not Applicable
  11/07/2025 08 PM PST            2.03           1119         0      Not Applicable
  11/07/2025 09 PM PST            2.03           1119         0      Not Applicable
  11/07/2025 10 PM PST            2.02           1113         -      Not Applicable
  11/07/2025 11 PM PST            2.02           1113         0      Not Applicable
  11/08/2025 12 AM PST            2.02           1113         0      Not Applicable
  11/08/2025 01 AM PST            2.03           1119         +      Not Applicable
  11/08/2025 02 AM PST            2.01           1107         -      Not Applicable
  11/08/2025 03 AM PST            2.02           1113         +      Not Applicable
  11/08/2025 04 AM PST            2.01           1107         -      Not Applicable
  11/08/2025 05 AM PST            2.02           1113         +      Not Applicable
  11/08/2025 06 AM PST            2.02           1113         0      Not Applicable
  11/08/2025 07 AM PST            2.01           1107         -      Not Applicable
  11/08/2025 08 AM PST            2.01           1107         0      Not Applicable
  11/08/2025 09 AM PST            2.01           1107         0      Not Applicable
  11/08/2025 10 AM PST            2.02           1113         +      Not Applicable
  11/08/2025 11 AM PST            2.02           1113         0      Not Applicable
  11/08/2025 12 PM PST            2.02           1113         0      Not Applicable
  11/08/2025 01 PM PST            2.02           1113         0      Not Applicable
  11/08/2025 02 PM PST            2.02           1113         0      Not Applicable
  11/08/2025 03 PM PST            2.01           1107         -      Not Applicable
  11/08/2025 04 PM PST            2.01           1107         0      Not Applicable
  11/08/2025 05 PM PST            2.01           1107         0      Not Applicable
  11/08/2025 06 PM PST            2.00           1101         -      Not Applicable
  11/08/2025 07 PM PST            2.01           1107         +      Not Applicable
  11/08/2025 08 PM PST            2.01           1107         0      Not Applicable
  11/08/2025 09 PM PST            2.01           1107         0      Not Applicable
  11/08/2025 10 PM PST            2.00           1101         -      Not Applicable
  11/08/2025 11 PM PST            2.01           1107         +      Not Applicable
  11/09/2025 12 AM PST            2.01           1107         0      Not Applicable
  11/09/2025 01 AM PST            2.01           1107         0      Not Applicable
  11/09/2025 02 AM PST            2.01           1107         0      Not Applicable
  11/09/2025 03 AM PST            2.01           1107         0      Not Applicable
  11/09/2025 04 AM PST            2.00           1101         -      Not Applicable
  11/09/2025 05 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 06 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 07 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 08 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 09 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 10 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 11 AM PST            2.00           1101         0      Not Applicable
  11/09/2025 12 PM PST            2.00           1101         0      Not Applicable
  11/09/2025 01 PM PST            2.00           1101         0      Not Applicable
  11/09/2025 02 PM PST            2.01           1107         +      Not Applicable
  11/09/2025 03 PM PST            2.01           1107         0      Not Applicable
  11/09/2025 04 PM PST            2.01           1107         0      Not Applicable
  11/09/2025 05 PM PST            2.00           1101         -      Not Applicable
  11/09/2025 06 PM PST            2.01           1107         +      Not Applicable
  11/09/2025 07 PM PST            2.00           1101         -      Not Applicable
  11/09/2025 08 PM PST            2.00           1101         0      Not Applicable
  11/09/2025 09 PM PST            2.00           1101         0      Not Applicable
  11/09/2025 10 PM PST            1.99           1095         -      Not Applicable
  11/09/2025 11 PM PST            2.00           1101         +      Not Applicable
  11/10/2025 12 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 01 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 02 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 03 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 04 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 05 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 06 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 07 AM PST            1.99           1095         -      Not Applicable
  11/10/2025 08 AM PST            2.00           1101         +      Not Applicable
  11/10/2025 09 AM PST            2.00           1101         0      Not Applicable
  11/10/2025 10 AM PST            1.99           1095         -      Not Applicable
  11/10/2025 11 AM PST            2.00           1101         +      Not Applicable
  11/10/2025 12 PM PST            2.00           1101         0      Not Applicable
  11/10/2025 01 PM PST            2.01           1107         +      Not Applicable
  11/10/2025 02 PM PST            2.00           1101         -      Not Applicable
  11/10/2025 03 PM PST            2.01           1107         +      Not Applicable
  11/10/2025 04 PM PST            2.00           1101         -      Not Applicable
  11/10/2025 05 PM PST            1.99           1095         -      Not Applicable
  11/10/2025 06 PM PST            2.00           1101         +      Not Applicable
  11/10/2025 07 PM PST            2.00           1101         0      Not Applicable
  11/10/2025 08 PM PST            2.00           1101         0      Not Applicable
  11/10/2025 09 PM PST            2.00           1101         0      Not Applicable
  11/10/2025 10 PM PST            2.01           1107         +      Not Applicable
  11/10/2025 11 PM PST            2.00           1101         -      Not Applicable
  11/11/2025 12 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 01 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 02 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 03 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 04 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 05 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 06 AM PST            1.99           1095         -      Not Applicable
  11/11/2025 07 AM PST            2.00           1101         +      Not Applicable
  11/11/2025 08 AM PST            1.99           1095         -      Not Applicable
  11/11/2025 09 AM PST            1.99           1095         0      Not Applicable
  11/11/2025 10 AM PST            2.00           1101         +      Not Applicable
  11/11/2025 11 AM PST            2.00           1101         0      Not Applicable
  11/11/2025 12 PM PST            2.00           1101         0      Not Applicable
  11/11/2025 01 PM PST            2.01           1107         +      Not Applicable
  11/11/2025 02 PM PST            2.01           1107         0      Not Applicable
  11/11/2025 03 PM PST            2.00           1101         -      Not Applicable
  11/11/2025 04 PM PST            2.01           1107         +      Not Applicable
  11/11/2025 05 PM PST            2.00           1101         -      Not Applicable
  11/11/2025 06 PM PST            2.00           1101         0      Not Applicable
  11/11/2025 07 PM PST            2.00           1101         0      Not Applicable
  11/11/2025 08 PM PST            2.00           1101         0      Not Applicable
  11/11/2025 09 PM PST            2.01           1107         +      Not Applicable
  11/11/2025 10 PM PST            2.00           1101         -      Not Applicable
  11/11/2025 11 PM PST            2.01           1107         +      Not Applicable
  11/12/2025 12 AM PST            2.01           1107         0      Not Applicable
  11/12/2025 01 AM PST            2.01           1107         0      Not Applicable
  11/12/2025 02 AM PST            2.01           1107         0      Not Applicable
  11/12/2025 03 AM PST            2.01           1107         0      Not Applicable
  11/12/2025 04 AM PST            2.01           1107         0      Not Applicable
  11/12/2025 05 AM PST            2.00           1101         -      Not Applicable
  11/12/2025 06 AM PST            2.00           1101         0      Not Applicable
  11/12/2025 07 AM PST            2.00           1101         0      Not Applicable
  11/12/2025 08 AM PST            2.00           1101         0      Not Applicable
  11/12/2025 09 AM PST            2.01           1107         +      Not Applicable
  11/12/2025 10 AM PST            2.00           1101         -      Not Applicable
  11/12/2025 11 AM PST            2.01           1107         +      Not Applicable
  11/12/2025 12 PM PST            2.01           1107         0      Not Applicable
  11/12/2025 01 PM PST            2.01           1107         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/12/2025 02 PM PST            2.01           1107                Not Applicable
  11/12/2025 03 PM PST            2.01           1107         0      Not Applicable
  11/12/2025 04 PM PST            2.01           1107         0      Not Applicable
  11/12/2025 05 PM PST            2.01           1107         0      Not Applicable
  11/12/2025 06 PM PST            2.01           1107         0      Not Applicable
  11/12/2025 07 PM PST            2.01           1107         0      Not Applicable
  11/12/2025 08 PM PST            2.00           1101         -      Not Applicable
  11/12/2025 09 PM PST            2.00           1101         0      Not Applicable
  11/12/2025 10 PM PST            2.00           1101         0      Not Applicable
  11/12/2025 11 PM PST            2.00           1101         0      Not Applicable
  11/13/2025 12 AM PST            2.00           1101         0      Not Applicable
  11/13/2025 01 AM PST            2.00           1101         0      Not Applicable
  11/13/2025 02 AM PST            1.99           1095         -      Not Applicable
  11/13/2025 03 AM PST            1.99           1095         0      Not Applicable
  11/13/2025 04 AM PST            1.99           1095         0      Not Applicable
  11/13/2025 05 AM PST            1.98           1089         -      Not Applicable
  11/13/2025 06 AM PST            1.98           1089         0      Not Applicable
  11/13/2025 07 AM PST            1.98           1089         0      Not Applicable
  11/13/2025 08 AM PST            1.98           1089         0      Not Applicable
  11/13/2025 09 AM PST            1.97           1083         -      Not Applicable
  11/13/2025 10 AM PST            1.97           1083         0      Not Applicable
  11/13/2025 11 AM PST            1.97           1083         0      Not Applicable
  11/13/2025 12 PM PST            1.98           1089         +      Not Applicable
  11/13/2025 01 PM PST            1.98           1089         0      Not Applicable
  11/13/2025 02 PM PST            1.98           1089         0      Not Applicable
  11/13/2025 03 PM PST            1.98           1089         0      Not Applicable
  11/13/2025 04 PM PST            1.99           1095         +      Not Applicable
  11/13/2025 05 PM PST            2.00           1101         +      Not Applicable
  11/13/2025 06 PM PST            2.00           1101         0      Not Applicable
  11/13/2025 07 PM PST            2.01           1107         +      Not Applicable
  11/13/2025 08 PM PST            2.02           1113         +      Not Applicable
  11/13/2025 09 PM PST            2.02           1113         0      Not Applicable
  11/13/2025 10 PM PST            2.02           1113         0      Not Applicable
  11/13/2025 11 PM PST            2.02           1113         0      Not Applicable
  11/14/2025 12 AM PST            2.03           1119         +      Not Applicable
  11/14/2025 01 AM PST            2.03           1119         0      Not Applicable
  11/14/2025 02 AM PST            2.03           1119         0      Not Applicable
  11/14/2025 03 AM PST            2.03           1119         0      Not Applicable
  11/14/2025 04 AM PST            2.02           1113         -      Not Applicable
  11/14/2025 05 AM PST            2.02           1113         0      Not Applicable
  11/14/2025 06 AM PST            2.02           1113         0      Not Applicable
  11/14/2025 07 AM PST            2.01           1107         -      Not Applicable
  11/14/2025 08 AM PST            2.01           1107         0      Not Applicable
  11/14/2025 09 AM PST            2.00           1101         -      Not Applicable
  11/14/2025 10 AM PST            2.00           1101         0      Not Applicable
  11/14/2025 11 AM PST            2.00           1101         0      Not Applicable
  11/14/2025 12 PM PST            2.00           1101         0      Not Applicable
  11/14/2025 01 PM PST            1.99           1095         -      Not Applicable
  11/14/2025 02 PM PST            1.99           1095         0      Not Applicable
  11/14/2025 03 PM PST            1.99           1095         0      Not Applicable
  11/14/2025 04 PM PST            1.98           1089         -      Not Applicable
  11/14/2025 05 PM PST            1.98           1089         0      Not Applicable
  11/14/2025 06 PM PST            1.97           1083         -      Not Applicable
  11/14/2025 07 PM PST            1.97           1083         0      Not Applicable
  11/14/2025 08 PM PST            1.97           1083         0      Not Applicable
  11/14/2025 09 PM PST            1.96           1078         -      Not Applicable
  11/14/2025 10 PM PST            1.96           1078         0      Not Applicable
  11/14/2025 11 PM PST            1.96           1078         0      Not Applicable
  11/15/2025 12 AM PST            1.95           1072         -      Not Applicable
  11/15/2025 01 AM PST            1.95           1072         0      Not Applicable
  11/15/2025 02 AM PST            1.95           1072         0      Not Applicable
  11/15/2025 03 AM PST            1.95           1072         0      Not Applicable
  11/15/2025 04 AM PST            1.94           1066         -      Not Applicable
  11/15/2025 05 AM PST            1.94           1066         0      Not Applicable
  11/15/2025 06 AM PST            1.94           1066         0      Not Applicable
  11/15/2025 07 AM PST            1.94           1066         0      Not Applicable
  11/15/2025 08 AM PST            1.94           1066         0      Not Applicable
  11/15/2025 09 AM PST            1.93           1060         -      Not Applicable
  11/15/2025 10 AM PST            1.93           1060         0      Not Applicable
  11/15/2025 11 AM PST            1.93           1060         0      Not Applicable
  11/15/2025 12 PM PST            1.93           1060         0      Not Applicable
  11/15/2025 01 PM PST            1.93           1060         0      Not Applicable
  11/15/2025 02 PM PST            1.93           1060         0      Not Applicable
  11/15/2025 03 PM PST            1.92           1055         -      Not Applicable
  11/15/2025 04 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 05 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 06 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 07 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 08 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 09 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 10 PM PST            1.92           1055         0      Not Applicable
  11/15/2025 11 PM PST            1.92           1055         0      Not Applicable
  11/16/2025 12 AM PST            1.92           1055         0      Not Applicable
  11/16/2025 01 AM PST            1.91           1049         -      Not Applicable
  11/16/2025 02 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 03 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 04 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 05 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 06 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 07 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 08 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 09 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 10 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 11 AM PST            1.91           1049         0      Not Applicable
  11/16/2025 12 PM PST            1.91           1049         0      Not Applicable
  11/16/2025 01 PM PST            1.91           1049         0      Not Applicable
  11/16/2025 02 PM PST            1.91           1049         0      Not Applicable
  11/16/2025 03 PM PST            1.91           1049         0      Not Applicable
  11/16/2025 04 PM PST            1.91           1049         0      Not Applicable
  11/16/2025 05 PM PST            1.92           1055         +      Not Applicable
  11/16/2025 06 PM PST            1.92           1055         0      Not Applicable
  11/16/2025 07 PM PST            1.92           1055         0      Not Applicable
  11/16/2025 08 PM PST            1.93           1060         +      Not Applicable
  11/16/2025 09 PM PST            1.93           1060         0      Not Applicable
  11/16/2025 10 PM PST            1.93           1060         0      Not Applicable
  11/16/2025 11 PM PST            1.94           1066         +      Not Applicable
  11/17/2025 12 AM PST            1.95           1072         +      Not Applicable
  11/17/2025 01 AM PST            1.95           1072         0      Not Applicable
  11/17/2025 02 AM PST            1.96           1078         +      Not Applicable
  11/17/2025 03 AM PST            1.96           1078         0      Not Applicable
  11/17/2025 04 AM PST            1.97           1083         +      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.