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KLAMATH RIVER - SEIAD VALLEY (SEIC1)
| Latitude: 41.85º N | Longitude: 123.23º W | Elevation: 1320 Feet | | | |
| Location: Siskiyou County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Feb 07 2026 at 9:03 AM PST | Next Issuance: | Feb 08 2026 at 9:00 AM PST
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| Action/Monitor: 13.0 Feet | Minor Flood: 15.0 Feet | Moderate Flood: 20.0 Feet | Major Flood: 28.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Seiad Valley (SEIC1)
#
# File Generation Time: 02/07/2026 at 09:03 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/03/2026 at 03:00 PM PST
# Maximum Observed Stage: 3.22 Feet
# Maximum Observed Flow: 2061 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/09/2026 at 02:00 PM PST
# Maximum Forecast Stage: 4.00 Feet
# Maximum Forecast Flow: 2830 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/02/2026 09 AM PST 3.14 1990 Normal
02/02/2026 10 AM PST 3.15 1999 + Normal
02/02/2026 11 AM PST 3.16 2008 + Normal
02/02/2026 12 PM PST 3.17 2017 + Normal
02/02/2026 01 PM PST 3.19 2035 + Normal
02/02/2026 02 PM PST 3.18 2026 - Normal
02/02/2026 03 PM PST 3.16 2008 - Normal
02/02/2026 04 PM PST 3.15 1999 - Normal
02/02/2026 05 PM PST 3.16 2008 + Normal
02/02/2026 06 PM PST 3.15 1999 - Normal
02/02/2026 07 PM PST 3.14 1990 - Normal
02/02/2026 08 PM PST 3.15 1999 + Normal
02/02/2026 09 PM PST 3.14 1990 - Normal
02/02/2026 10 PM PST 3.13 1981 - Normal
02/02/2026 11 PM PST 3.14 1990 + Normal
02/03/2026 12 AM PST 3.14 1990 0 Normal
02/03/2026 01 AM PST 3.13 1981 - Normal
02/03/2026 02 AM PST 3.13 1981 0 Normal
02/03/2026 03 AM PST 3.13 1981 0 Normal
02/03/2026 04 AM PST 3.13 1981 0 Normal
02/03/2026 05 AM PST 3.13 1981 0 Normal
02/03/2026 06 AM PST 3.12 1973 - Normal
02/03/2026 07 AM PST 3.12 1973 0 Normal
02/03/2026 08 AM PST 3.12 1973 0 Normal
02/03/2026 09 AM PST 3.12 1973 0 Normal
02/03/2026 10 AM PST 3.12 1973 0 Normal
02/03/2026 11 AM PST 3.13 1981 + Normal
02/03/2026 12 PM PST 3.15 1999 + Normal
02/03/2026 01 PM PST 3.17 2017 + Normal
02/03/2026 02 PM PST 3.16 2008 - Normal
02/03/2026 03 PM PST 3.22 2061 + Normal
02/03/2026 04 PM PST 3.21 2052 - Normal
02/03/2026 05 PM PST 3.18 2026 - Normal
02/03/2026 06 PM PST 3.13 1981 - Normal
02/03/2026 07 PM PST 3.13 1981 0 Normal
02/03/2026 08 PM PST 3.12 1973 - Normal
02/03/2026 09 PM PST 3.12 1973 0 Normal
02/03/2026 10 PM PST 3.11 1964 - Normal
02/03/2026 11 PM PST 3.11 1964 0 Normal
02/04/2026 12 AM PST 3.11 1964 0 Normal
02/04/2026 01 AM PST 3.10 1955 - Normal
02/04/2026 02 AM PST 3.11 1964 + Normal
02/04/2026 03 AM PST 3.10 1955 - Normal
02/04/2026 04 AM PST 3.10 1955 0 Normal
02/04/2026 05 AM PST 3.10 1955 0 Normal
02/04/2026 06 AM PST 3.10 1955 0 Normal
02/04/2026 07 AM PST 3.10 1955 0 Normal
02/04/2026 08 AM PST 3.11 1964 + Normal
02/04/2026 09 AM PST 3.09 1946 - Normal
02/04/2026 10 AM PST 3.09 1946 0 Normal
02/04/2026 11 AM PST 3.13 1981 + Normal
02/04/2026 12 PM PST 3.17 2017 + Normal
02/04/2026 01 PM PST 3.19 2035 + Normal
02/04/2026 02 PM PST 3.14 1990 - Normal
02/04/2026 03 PM PST 3.09 1946 - Normal
02/04/2026 04 PM PST 3.09 1946 0 Normal
02/04/2026 05 PM PST 3.08 1938 - Normal
02/04/2026 06 PM PST 3.08 1938 0 Normal
02/04/2026 07 PM PST 3.07 1929 - Normal
02/04/2026 08 PM PST 3.07 1929 0 Normal
02/04/2026 09 PM PST 3.07 1929 0 Normal
02/04/2026 10 PM PST 3.07 1929 0 Normal
02/04/2026 11 PM PST 3.06 1920 - Normal
02/05/2026 12 AM PST 3.07 1929 + Normal
02/05/2026 01 AM PST 3.06 1920 - Normal
02/05/2026 02 AM PST 3.07 1929 + Normal
02/05/2026 03 AM PST 3.06 1920 - Normal
02/05/2026 04 AM PST 3.06 1920 0 Normal
02/05/2026 05 AM PST 3.06 1920 0 Normal
02/05/2026 06 AM PST 3.07 1929 + Normal
02/05/2026 07 AM PST 3.07 1929 0 Normal
02/05/2026 08 AM PST 3.06 1920 - Normal
02/05/2026 09 AM PST 3.06 1920 0 Normal
02/05/2026 10 AM PST 3.06 1920 0 Normal
02/05/2026 11 AM PST 3.07 1929 + Normal
02/05/2026 12 PM PST 3.08 1938 + Normal
02/05/2026 01 PM PST 3.08 1938 0 Normal
02/05/2026 02 PM PST 3.08 1938 0 Normal
02/05/2026 03 PM PST 3.08 1938 0 Normal
02/05/2026 04 PM PST 3.06 1920 - Normal
02/05/2026 05 PM PST 3.05 1912 - Normal
02/05/2026 06 PM PST 3.05 1912 0 Normal
02/05/2026 07 PM PST 3.04 1903 - Normal
02/05/2026 08 PM PST 3.04 1903 0 Normal
02/05/2026 09 PM PST 3.04 1903 0 Normal
02/05/2026 10 PM PST 3.04 1903 0 Normal
02/05/2026 11 PM PST 3.03 1895 - Normal
02/06/2026 12 AM PST 3.03 1895 0 Normal
02/06/2026 01 AM PST 3.03 1895 0 Normal
02/06/2026 02 AM PST 3.03 1895 0 Normal
02/06/2026 03 AM PST 3.03 1895 0 Normal
02/06/2026 04 AM PST 3.04 1903 + Normal
02/06/2026 05 AM PST 3.03 1895 - Normal
02/06/2026 06 AM PST 3.03 1895 0 Normal
02/06/2026 07 AM PST 3.03 1895 0 Normal
02/06/2026 08 AM PST 3.02 1886 - Normal
02/06/2026 09 AM PST 3.03 1895 + Normal
02/06/2026 10 AM PST 3.03 1895 0 Normal
02/06/2026 11 AM PST 3.04 1903 + Normal
02/06/2026 12 PM PST 3.04 1903 0 Normal
02/06/2026 01 PM PST 3.04 1903 0 Normal
02/06/2026 02 PM PST 3.04 1903 0 Normal
02/06/2026 03 PM PST 3.06 1920 + Normal
02/06/2026 04 PM PST 3.05 1912 - Normal
02/06/2026 05 PM PST 3.04 1903 - Normal
02/06/2026 06 PM PST 3.03 1895 - Normal
02/06/2026 07 PM PST 3.03 1895 0 Normal
02/06/2026 08 PM PST 3.03 1895 0 Normal
02/06/2026 09 PM PST 3.03 1895 0 Normal
02/06/2026 10 PM PST 3.02 1886 - Normal
02/06/2026 11 PM PST 3.02 1886 0 Normal
02/07/2026 12 AM PST 3.02 1886 0 Normal
02/07/2026 01 AM PST 3.02 1886 0 Normal
02/07/2026 02 AM PST 3.02 1886 0 Normal
02/07/2026 03 AM PST 3.02 1886 0 Normal
02/07/2026 04 AM PST 3.02 1886 0 Normal
02/07/2026 05 AM PST 3.01 1877 - Normal
02/07/2026 06 AM PST 3.02 1886 + Normal
02/07/2026 07 AM PST 3.01 1877 - Normal
02/07/2026 08 AM PST 3.01 1877 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/07/2026 09 AM PST 3.01 1877 Normal
02/07/2026 10 AM PST 3.01 1877 0 Normal
02/07/2026 11 AM PST 3.01 1877 0 Normal
02/07/2026 12 PM PST 3.01 1877 0 Normal
02/07/2026 01 PM PST 3.01 1877 0 Normal
02/07/2026 02 PM PST 3.01 1877 0 Normal
02/07/2026 03 PM PST 3.00 1869 - Normal
02/07/2026 04 PM PST 3.00 1869 0 Normal
02/07/2026 05 PM PST 3.00 1869 0 Normal
02/07/2026 06 PM PST 2.99 1860 - Normal
02/07/2026 07 PM PST 2.99 1860 0 Normal
02/07/2026 08 PM PST 2.99 1860 0 Normal
02/07/2026 09 PM PST 2.99 1860 0 Normal
02/07/2026 10 PM PST 2.99 1860 0 Normal
02/07/2026 11 PM PST 2.99 1860 0 Normal
02/08/2026 12 AM PST 2.99 1860 0 Normal
02/08/2026 01 AM PST 2.98 1852 - Normal
02/08/2026 02 AM PST 2.98 1852 0 Normal
02/08/2026 03 AM PST 2.98 1852 0 Normal
02/08/2026 04 AM PST 2.98 1852 0 Normal
02/08/2026 05 AM PST 2.98 1852 0 Normal
02/08/2026 06 AM PST 2.97 1844 - Normal
02/08/2026 07 AM PST 2.97 1844 0 Normal
02/08/2026 08 AM PST 2.97 1844 0 Normal
02/08/2026 09 AM PST 2.97 1844 0 Normal
02/08/2026 10 AM PST 2.98 1852 + Normal
02/08/2026 11 AM PST 2.98 1852 0 Normal
02/08/2026 12 PM PST 2.99 1860 + Normal
02/08/2026 01 PM PST 3.01 1877 + Normal
02/08/2026 02 PM PST 3.03 1895 + Normal
02/08/2026 03 PM PST 3.06 1920 + Normal
02/08/2026 04 PM PST 3.10 1955 + Normal
02/08/2026 05 PM PST 3.14 1990 + Normal
02/08/2026 06 PM PST 3.21 2052 + Normal
02/08/2026 07 PM PST 3.28 2116 + Normal
02/08/2026 08 PM PST 3.36 2189 + Normal
02/08/2026 09 PM PST 3.43 2255 + Normal
02/08/2026 10 PM PST 3.51 2331 + Normal
02/08/2026 11 PM PST 3.60 2419 + Normal
02/09/2026 12 AM PST 3.67 2488 + Normal
02/09/2026 01 AM PST 3.72 2539 + Normal
02/09/2026 02 AM PST 3.76 2579 + Normal
02/09/2026 03 AM PST 3.79 2610 + Normal
02/09/2026 04 AM PST 3.82 2641 + Normal
02/09/2026 05 AM PST 3.84 2661 + Normal
02/09/2026 06 AM PST 3.87 2693 + Normal
02/09/2026 07 AM PST 3.89 2714 + Normal
02/09/2026 08 AM PST 3.91 2735 + Normal
02/09/2026 09 AM PST 3.93 2756 + Normal
02/09/2026 10 AM PST 3.95 2777 + Normal
02/09/2026 11 AM PST 3.96 2788 + Normal
02/09/2026 12 PM PST 3.98 2809 + Normal
02/09/2026 01 PM PST 3.99 2820 + Normal
02/09/2026 02 PM PST 4.00 2830 + Normal
02/09/2026 03 PM PST 4.00 2830 0 Normal
02/09/2026 04 PM PST 4.00 2830 0 Normal
02/09/2026 05 PM PST 4.00 2830 0 Normal
02/09/2026 06 PM PST 3.99 2820 - Normal
02/09/2026 07 PM PST 3.99 2820 0 Normal
02/09/2026 08 PM PST 3.99 2820 0 Normal
02/09/2026 09 PM PST 3.98 2809 - Normal
02/09/2026 10 PM PST 3.97 2798 - Normal
02/09/2026 11 PM PST 3.96 2788 - Normal
02/10/2026 12 AM PST 3.94 2766 - Normal
02/10/2026 01 AM PST 3.93 2756 - Normal
02/10/2026 02 AM PST 3.92 2745 - Normal
02/10/2026 03 AM PST 3.90 2724 - Normal
02/10/2026 04 AM PST 3.88 2703 - Normal
02/10/2026 05 AM PST 3.86 2682 - Normal
02/10/2026 06 AM PST 3.85 2672 - Normal
02/10/2026 07 AM PST 3.83 2651 - Normal
02/10/2026 08 AM PST 3.81 2630 - Normal
02/10/2026 09 AM PST 3.79 2610 - Normal
02/10/2026 10 AM PST 3.77 2589 - Normal
02/10/2026 11 AM PST 3.75 2569 - Normal
02/10/2026 12 PM PST 3.73 2549 - Normal
02/10/2026 01 PM PST 3.71 2528 - Normal
02/10/2026 02 PM PST 3.69 2508 - Normal
02/10/2026 03 PM PST 3.67 2488 - Normal
02/10/2026 04 PM PST 3.65 2468 - Normal
02/10/2026 05 PM PST 3.62 2439 - Normal
02/10/2026 06 PM PST 3.60 2419 - Normal
02/10/2026 07 PM PST 3.58 2399 - Normal
02/10/2026 08 PM PST 3.56 2380 - Normal
02/10/2026 09 PM PST 3.55 2370 - Normal
02/10/2026 10 PM PST 3.53 2351 - Normal
02/10/2026 11 PM PST 3.51 2331 - Normal
02/11/2026 12 AM PST 3.50 2322 - Normal
02/11/2026 01 AM PST 3.48 2303 - Normal
02/11/2026 02 AM PST 3.47 2293 - Normal
02/11/2026 03 AM PST 3.45 2274 - Normal
02/11/2026 04 AM PST 3.44 2265 - Normal
02/11/2026 05 AM PST 3.43 2255 - Normal
02/11/2026 06 AM PST 3.42 2246 - Normal
02/11/2026 07 AM PST 3.40 2227 - Normal
02/11/2026 08 AM PST 3.39 2217 - Normal
02/11/2026 09 AM PST 3.38 2208 - Normal
02/11/2026 10 AM PST 3.37 2199 - Normal
02/11/2026 11 AM PST 3.36 2189 - Normal
02/11/2026 12 PM PST 3.35 2180 - Normal
02/11/2026 01 PM PST 3.34 2171 - Normal
02/11/2026 02 PM PST 3.33 2162 - Normal
02/11/2026 03 PM PST 3.32 2152 - Normal
02/11/2026 04 PM PST 3.31 2143 - Normal
02/11/2026 05 PM PST 3.31 2143 0 Normal
02/11/2026 06 PM PST 3.30 2134 - Normal
02/11/2026 07 PM PST 3.29 2125 - Normal
02/11/2026 08 PM PST 3.28 2116 - Normal
02/11/2026 09 PM PST 3.27 2107 - Normal
02/11/2026 10 PM PST 3.27 2107 0 Normal
02/11/2026 11 PM PST 3.26 2098 - Normal
02/12/2026 12 AM PST 3.25 2088 - Normal
02/12/2026 01 AM PST 3.25 2088 0 Normal
02/12/2026 02 AM PST 3.24 2079 - Normal
02/12/2026 03 AM PST 3.24 2079 0 Normal
02/12/2026 04 AM PST 3.23 2070 - Normal
#
# 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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