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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: | Jan 08 2026 at 1:32 PM PST | Next Issuance: | Jan 09 2026 at 9:00 AM PST
| |
| 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: 01/08/2026 at 01:32 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/04/2026 at 07:00 PM PST
# Maximum Observed Stage: 6.02 Feet
# Maximum Observed Flow: 5479 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/08/2026 at 02:00 PM PST
# Maximum Forecast Stage: 4.79 Feet
# Maximum Forecast Flow: 3751 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/03/2026 01 PM PST 4.91 3903 Normal
01/03/2026 02 PM PST 4.97 3981 + Normal
01/03/2026 03 PM PST 4.98 3994 + Normal
01/03/2026 04 PM PST 5.03 4059 + Normal
01/03/2026 05 PM PST 5.11 4165 + Normal
01/03/2026 06 PM PST 5.23 4327 + Normal
01/03/2026 07 PM PST 5.33 4464 + Normal
01/03/2026 08 PM PST 5.45 4633 + Normal
01/03/2026 09 PM PST 5.55 4775 + Normal
01/03/2026 10 PM PST 5.60 4848 + Normal
01/03/2026 11 PM PST 5.67 4950 + Normal
01/04/2026 12 AM PST 5.71 5009 + Normal
01/04/2026 01 AM PST 5.75 5068 + Normal
01/04/2026 02 AM PST 5.79 5128 + Normal
01/04/2026 03 AM PST 5.79 5128 0 Normal
01/04/2026 04 AM PST 5.79 5128 0 Normal
01/04/2026 05 AM PST 5.81 5158 + Normal
01/04/2026 06 AM PST 5.83 5188 + Normal
01/04/2026 07 AM PST 5.86 5233 + Normal
01/04/2026 08 AM PST 5.90 5294 + Normal
01/04/2026 09 AM PST 5.92 5325 + Normal
01/04/2026 10 AM PST 5.93 5340 + Normal
01/04/2026 11 AM PST 5.95 5371 + Normal
01/04/2026 12 PM PST 5.97 5402 + Normal
01/04/2026 01 PM PST 5.99 5432 + Normal
01/04/2026 02 PM PST 6.00 5448 + Normal
01/04/2026 03 PM PST 6.01 5463 + Normal
01/04/2026 04 PM PST 6.02 5479 + Normal
01/04/2026 05 PM PST 6.02 5479 0 Normal
01/04/2026 06 PM PST 6.02 5479 0 Normal
01/04/2026 07 PM PST 6.02 5479 0 Normal
01/04/2026 08 PM PST 6.00 5448 - Normal
01/04/2026 09 PM PST 6.00 5448 0 Normal
01/04/2026 10 PM PST 6.01 5463 + Normal
01/04/2026 11 PM PST 6.00 5448 - Normal
01/05/2026 12 AM PST 5.99 5432 - Normal
01/05/2026 01 AM PST 5.98 5417 - Normal
01/05/2026 02 AM PST 5.98 5417 0 Normal
01/05/2026 03 AM PST 5.98 5417 0 Normal
01/05/2026 04 AM PST 5.95 5371 - Normal
01/05/2026 05 AM PST 5.93 5340 - Normal
01/05/2026 06 AM PST 5.94 5355 + Normal
01/05/2026 07 AM PST 5.91 5309 - Normal
01/05/2026 08 AM PST 5.90 5294 - Normal
01/05/2026 09 AM PST 5.86 5233 - Normal
01/05/2026 10 AM PST 5.84 5203 - Normal
01/05/2026 11 AM PST 5.83 5188 - Normal
01/05/2026 12 PM PST 5.80 5143 - Normal
01/05/2026 01 PM PST 5.76 5083 - Normal
01/05/2026 02 PM PST 5.72 5024 - Normal
01/05/2026 03 PM PST 5.71 5009 - Normal
01/05/2026 04 PM PST 5.69 4979 - Normal
01/05/2026 05 PM PST 5.66 4935 - Normal
01/05/2026 06 PM PST 5.65 4920 - Normal
01/05/2026 07 PM PST 5.63 4891 - Normal
01/05/2026 08 PM PST 5.60 4848 - Normal
01/05/2026 09 PM PST 5.58 4819 - Normal
01/05/2026 10 PM PST 5.56 4790 - Normal
01/05/2026 11 PM PST 5.53 4747 - Normal
01/06/2026 12 AM PST 5.52 4732 - Normal
01/06/2026 01 AM PST 5.50 4704 - Normal
01/06/2026 02 AM PST 5.49 4689 - Normal
01/06/2026 03 AM PST 5.47 4661 - Normal
01/06/2026 04 AM PST 5.47 4661 0 Normal
01/06/2026 05 AM PST 5.44 4618 - Normal
01/06/2026 06 AM PST 5.43 4604 - Normal
01/06/2026 07 AM PST 5.41 4576 - Normal
01/06/2026 08 AM PST 5.40 4562 - Normal
01/06/2026 09 AM PST 5.36 4506 - Normal
01/06/2026 10 AM PST 5.36 4506 0 Normal
01/06/2026 11 AM PST 5.33 4464 - Normal
01/06/2026 12 PM PST 5.33 4464 0 Normal
01/06/2026 01 PM PST 5.31 4437 - Normal
01/06/2026 02 PM PST 5.32 4451 + Normal
01/06/2026 03 PM PST 5.30 4423 - Normal
01/06/2026 04 PM PST 5.29 4409 - Normal
01/06/2026 05 PM PST 5.27 4382 - Normal
01/06/2026 06 PM PST 5.26 4368 - Normal
01/06/2026 07 PM PST 5.24 4341 - Normal
01/06/2026 08 PM PST 5.24 4341 0 Normal
01/06/2026 09 PM PST 5.21 4300 - Normal
01/06/2026 10 PM PST 5.20 4286 - Normal
01/06/2026 11 PM PST 5.18 4259 - Normal
01/07/2026 12 AM PST 5.16 4232 - Normal
01/07/2026 01 AM PST 5.14 4205 - Normal
01/07/2026 02 AM PST 5.15 4219 + Normal
01/07/2026 03 AM PST 5.11 4165 - Normal
01/07/2026 04 AM PST 5.11 4165 0 Normal
01/07/2026 05 AM PST 5.11 4165 0 Normal
01/07/2026 06 AM PST 5.08 4125 - Normal
01/07/2026 07 AM PST 5.08 4125 0 Normal
01/07/2026 08 AM PST 5.06 4099 - Normal
01/07/2026 09 AM PST 5.04 4072 - Normal
01/07/2026 10 AM PST 5.02 4046 - Normal
01/07/2026 11 AM PST 5.02 4046 0 Normal
01/07/2026 12 PM PST 5.02 4046 0 Normal
01/07/2026 01 PM PST 5.00 4020 - Normal
01/07/2026 02 PM PST 5.01 4033 + Normal
01/07/2026 03 PM PST 5.00 4020 - Normal
01/07/2026 04 PM PST 5.03 4059 + Normal
01/07/2026 05 PM PST 5.02 4046 - Normal
01/07/2026 06 PM PST 5.01 4033 - Normal
01/07/2026 07 PM PST 5.00 4020 - Normal
01/07/2026 08 PM PST 5.00 4020 0 Normal
01/07/2026 09 PM PST 4.99 4007 - Normal
01/07/2026 10 PM PST 4.99 4007 0 Normal
01/07/2026 11 PM PST 4.98 3994 - Normal
01/08/2026 12 AM PST 4.97 3981 - Normal
01/08/2026 01 AM PST 4.95 3955 - Normal
01/08/2026 02 AM PST 4.93 3929 - Normal
01/08/2026 03 AM PST 4.91 3903 - Normal
01/08/2026 04 AM PST 4.89 3878 - Normal
01/08/2026 05 AM PST 4.88 3865 - Normal
01/08/2026 06 AM PST 4.87 3852 - Normal
01/08/2026 07 AM PST 4.87 3852 0 Normal
01/08/2026 08 AM PST 4.84 3814 - Normal
01/08/2026 09 AM PST 4.85 3827 + Normal
01/08/2026 10 AM PST 4.83 3801 - Normal
01/08/2026 11 AM PST 4.83 3801 0 Normal
01/08/2026 12 PM PST 4.81 3776 - Normal
01/08/2026 01 PM PST 4.80 3763 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/08/2026 02 PM PST 4.79 3751 Normal
01/08/2026 03 PM PST 4.78 3738 - Normal
01/08/2026 04 PM PST 4.77 3726 - Normal
01/08/2026 05 PM PST 4.76 3713 - Normal
01/08/2026 06 PM PST 4.74 3688 - Normal
01/08/2026 07 PM PST 4.73 3676 - Normal
01/08/2026 08 PM PST 4.72 3663 - Normal
01/08/2026 09 PM PST 4.71 3651 - Normal
01/08/2026 10 PM PST 4.70 3639 - Normal
01/08/2026 11 PM PST 4.68 3614 - Normal
01/09/2026 12 AM PST 4.67 3602 - Normal
01/09/2026 01 AM PST 4.66 3589 - Normal
01/09/2026 02 AM PST 4.65 3577 - Normal
01/09/2026 03 AM PST 4.64 3565 - Normal
01/09/2026 04 AM PST 4.63 3553 - Normal
01/09/2026 05 AM PST 4.62 3540 - Normal
01/09/2026 06 AM PST 4.61 3528 - Normal
01/09/2026 07 AM PST 4.61 3528 0 Normal
01/09/2026 08 AM PST 4.59 3504 - Normal
01/09/2026 09 AM PST 4.59 3504 0 Normal
01/09/2026 10 AM PST 4.58 3492 - Normal
01/09/2026 11 AM PST 4.57 3480 - Normal
01/09/2026 12 PM PST 4.56 3468 - Normal
01/09/2026 01 PM PST 4.55 3456 - Normal
01/09/2026 02 PM PST 4.54 3444 - Normal
01/09/2026 03 PM PST 4.53 3432 - Normal
01/09/2026 04 PM PST 4.53 3432 0 Normal
01/09/2026 05 PM PST 4.52 3420 - Normal
01/09/2026 06 PM PST 4.51 3408 - Normal
01/09/2026 07 PM PST 4.50 3396 - Normal
01/09/2026 08 PM PST 4.49 3384 - Normal
01/09/2026 09 PM PST 4.48 3372 - Normal
01/09/2026 10 PM PST 4.48 3372 0 Normal
01/09/2026 11 PM PST 4.47 3360 - Normal
01/10/2026 12 AM PST 4.46 3349 - Normal
01/10/2026 01 AM PST 4.46 3349 0 Normal
01/10/2026 02 AM PST 4.45 3337 - Normal
01/10/2026 03 AM PST 4.44 3325 - Normal
01/10/2026 04 AM PST 4.44 3325 0 Normal
01/10/2026 05 AM PST 4.43 3313 - Normal
01/10/2026 06 AM PST 4.43 3313 0 Normal
01/10/2026 07 AM PST 4.42 3302 - Normal
01/10/2026 08 AM PST 4.41 3290 - Normal
01/10/2026 09 AM PST 4.41 3290 0 Normal
01/10/2026 10 AM PST 4.40 3278 - Normal
01/10/2026 11 AM PST 4.40 3278 0 Normal
01/10/2026 12 PM PST 4.39 3267 - Normal
01/10/2026 01 PM PST 4.39 3267 0 Normal
01/10/2026 02 PM PST 4.38 3255 - Normal
01/10/2026 03 PM PST 4.38 3255 0 Normal
01/10/2026 04 PM PST 4.37 3243 - Normal
01/10/2026 05 PM PST 4.36 3232 - Normal
01/10/2026 06 PM PST 4.36 3232 0 Normal
01/10/2026 07 PM PST 4.35 3220 - Normal
01/10/2026 08 PM PST 4.35 3220 0 Normal
01/10/2026 09 PM PST 4.34 3209 - Normal
01/10/2026 10 PM PST 4.34 3209 0 Normal
01/10/2026 11 PM PST 4.33 3197 - Normal
01/11/2026 12 AM PST 4.33 3197 0 Normal
01/11/2026 01 AM PST 4.33 3197 0 Normal
01/11/2026 02 AM PST 4.32 3186 - Normal
01/11/2026 03 AM PST 4.32 3186 0 Normal
01/11/2026 04 AM PST 4.31 3174 - Normal
01/11/2026 05 AM PST 4.31 3174 0 Normal
01/11/2026 06 AM PST 4.30 3163 - Normal
01/11/2026 07 AM PST 4.30 3163 0 Normal
01/11/2026 08 AM PST 4.30 3163 0 Normal
01/11/2026 09 AM PST 4.29 3151 - Normal
01/11/2026 10 AM PST 4.29 3151 0 Normal
01/11/2026 11 AM PST 4.29 3151 0 Normal
01/11/2026 12 PM PST 4.28 3140 - Normal
01/11/2026 01 PM PST 4.28 3140 0 Normal
01/11/2026 02 PM PST 4.28 3140 0 Normal
01/11/2026 03 PM PST 4.27 3129 - Normal
01/11/2026 04 PM PST 4.27 3129 0 Normal
01/11/2026 05 PM PST 4.27 3129 0 Normal
01/11/2026 06 PM PST 4.27 3129 0 Normal
01/11/2026 07 PM PST 4.26 3117 - Normal
01/11/2026 08 PM PST 4.26 3117 0 Normal
01/11/2026 09 PM PST 4.26 3117 0 Normal
01/11/2026 10 PM PST 4.26 3117 0 Normal
01/11/2026 11 PM PST 4.26 3117 0 Normal
01/12/2026 12 AM PST 4.25 3106 - Normal
01/12/2026 01 AM PST 4.25 3106 0 Normal
01/12/2026 02 AM PST 4.25 3106 0 Normal
01/12/2026 03 AM PST 4.25 3106 0 Normal
01/12/2026 04 AM PST 4.26 3117 + Normal
01/12/2026 05 AM PST 4.26 3117 0 Normal
01/12/2026 06 AM PST 4.26 3117 0 Normal
01/12/2026 07 AM PST 4.26 3117 0 Normal
01/12/2026 08 AM PST 4.26 3117 0 Normal
01/12/2026 09 AM PST 4.26 3117 0 Normal
01/12/2026 10 AM PST 4.26 3117 0 Normal
01/12/2026 11 AM PST 4.26 3117 0 Normal
01/12/2026 12 PM PST 4.26 3117 0 Normal
01/12/2026 01 PM PST 4.26 3117 0 Normal
01/12/2026 02 PM PST 4.26 3117 0 Normal
01/12/2026 03 PM PST 4.25 3106 - Normal
01/12/2026 04 PM PST 4.25 3106 0 Normal
01/12/2026 05 PM PST 4.25 3106 0 Normal
01/12/2026 06 PM PST 4.25 3106 0 Normal
01/12/2026 07 PM PST 4.25 3106 0 Normal
01/12/2026 08 PM PST 4.25 3106 0 Normal
01/12/2026 09 PM PST 4.25 3106 0 Normal
01/12/2026 10 PM PST 4.25 3106 0 Normal
01/12/2026 11 PM PST 4.25 3106 0 Normal
01/13/2026 12 AM PST 4.25 3106 0 Normal
01/13/2026 01 AM PST 4.25 3106 0 Normal
01/13/2026 02 AM PST 4.25 3106 0 Normal
01/13/2026 03 AM PST 4.25 3106 0 Normal
01/13/2026 04 AM PST 4.25 3106 0 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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