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KLAMATH RIVER - ORLEANS (ONSC1)
| Latitude: 41.30º N | Longitude: 123.54º W | Elevation: 354 Feet | | Forecast Type: Official Location |
| Location: Humboldt County in California | Bulletin Group: North Coast | River Group: Klamath |
| Issuance Time: | Apr 24 2026 at 7:10 AM PDT | Next Issuance: | Apr 25 2026 at 9:00 AM PDT
| |
| Action/Monitor: 32.0 Feet | Minor Flood: 38.0 Feet | Moderate Flood: 43.0 Feet | Major Flood: 48.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Orleans (ONSC1)
#
# File Generation Time: 04/24/2026 at 07:10 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/22/2026 at 08:00 AM PDT
# Maximum Observed Stage: 5.52 Feet
# Maximum Observed Flow: 5946 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/24/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 5.25 Feet
# Maximum Forecast Flow: 5542 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/19/2026 07 AM PDT 5.23 5513 Normal
04/19/2026 08 AM PDT 5.18 5439 - Normal
04/19/2026 09 AM PDT 5.19 5454 + Normal
04/19/2026 10 AM PDT 5.19 5454 0 Normal
04/19/2026 11 AM PDT 5.20 5468 + Normal
04/19/2026 12 PM PDT 5.20 5468 0 Normal
04/19/2026 01 PM PDT 5.19 5454 - Normal
04/19/2026 02 PM PDT 5.21 5483 + Normal
04/19/2026 03 PM PDT 5.18 5439 - Normal
04/19/2026 04 PM PDT 5.18 5439 0 Normal
04/19/2026 05 PM PDT 5.17 5424 - Normal
04/19/2026 06 PM PDT 5.17 5424 0 Normal
04/19/2026 07 PM PDT 5.20 5468 + Normal
04/19/2026 08 PM PDT 5.15 5395 - Normal
04/19/2026 09 PM PDT 5.17 5424 + Normal
04/19/2026 10 PM PDT 5.17 5424 0 Normal
04/19/2026 11 PM PDT 5.14 5380 - Normal
04/20/2026 12 AM PDT 5.14 5380 0 Normal
04/20/2026 01 AM PDT 5.15 5395 + Normal
04/20/2026 02 AM PDT 5.11 5336 - Normal
04/20/2026 03 AM PDT 5.11 5336 0 Normal
04/20/2026 04 AM PDT 5.12 5351 + Normal
04/20/2026 05 AM PDT 5.10 5322 - Normal
04/20/2026 06 AM PDT 5.11 5336 + Normal
04/20/2026 07 AM PDT 5.11 5336 0 Normal
04/20/2026 08 AM PDT 5.10 5322 - Normal
04/20/2026 09 AM PDT 5.12 5351 + Normal
04/20/2026 10 AM PDT 5.11 5336 - Normal
04/20/2026 11 AM PDT 5.11 5336 0 Normal
04/20/2026 12 PM PDT 5.13 5366 + Normal
04/20/2026 01 PM PDT 5.13 5366 0 Normal
04/20/2026 02 PM PDT 5.14 5380 + Normal
04/20/2026 03 PM PDT 5.14 5380 0 Normal
04/20/2026 04 PM PDT 5.15 5395 + Normal
04/20/2026 05 PM PDT 5.14 5380 - Normal
04/20/2026 06 PM PDT 5.15 5395 + Normal
04/20/2026 07 PM PDT 5.16 5410 + Normal
04/20/2026 08 PM PDT 5.29 5601 + Normal
04/20/2026 09 PM PDT 5.30 5616 + Normal
04/20/2026 10 PM PDT 5.30 5616 0 Normal
04/20/2026 11 PM PDT 5.28 5587 - Normal
04/21/2026 12 AM PDT 5.30 5616 + Normal
04/21/2026 01 AM PDT 5.31 5631 + Normal
04/21/2026 02 AM PDT 5.33 5661 + Normal
04/21/2026 03 AM PDT 5.31 5631 - Normal
04/21/2026 04 AM PDT 5.31 5631 0 Normal
04/21/2026 05 AM PDT 5.34 5676 + Normal
04/21/2026 06 AM PDT 5.34 5676 0 Normal
04/21/2026 07 AM PDT 5.35 5691 + Normal
04/21/2026 08 AM PDT 5.37 5721 + Normal
04/21/2026 09 AM PDT 5.39 5751 + Normal
04/21/2026 10 AM PDT 5.40 5766 + Normal
04/21/2026 11 AM PDT 5.40 5766 0 Normal
04/21/2026 12 PM PDT 5.40 5766 0 Normal
04/21/2026 01 PM PDT 5.41 5781 + Normal
04/21/2026 02 PM PDT 5.42 5796 + Normal
04/21/2026 03 PM PDT 5.40 5766 - Normal
04/21/2026 04 PM PDT 5.39 5751 - Normal
04/21/2026 05 PM PDT 5.41 5781 + Normal
04/21/2026 06 PM PDT 5.41 5781 0 Normal
04/21/2026 07 PM PDT 5.40 5766 - Normal
04/21/2026 08 PM PDT 5.41 5781 + Normal
04/21/2026 09 PM PDT 5.43 5811 + Normal
04/21/2026 10 PM PDT 5.44 5826 + Normal
04/21/2026 11 PM PDT 5.41 5781 - Normal
04/22/2026 12 AM PDT 5.45 5841 + Normal
04/22/2026 01 AM PDT 5.46 5856 + Normal
04/22/2026 02 AM PDT 5.47 5871 + Normal
04/22/2026 03 AM PDT 5.49 5901 + Normal
04/22/2026 04 AM PDT 5.50 5916 + Normal
04/22/2026 05 AM PDT 5.50 5916 0 Normal
04/22/2026 06 AM PDT 5.50 5916 0 Normal
04/22/2026 07 AM PDT 5.50 5916 0 Normal
04/22/2026 08 AM PDT 5.52 5946 + Normal
04/22/2026 09 AM PDT 5.51 5931 - Normal
04/22/2026 10 AM PDT 5.50 5916 - Normal
04/22/2026 11 AM PDT 5.49 5901 - Normal
04/22/2026 12 PM PDT 5.49 5901 0 Normal
04/22/2026 01 PM PDT 5.50 5916 + Normal
04/22/2026 02 PM PDT 5.47 5871 - Normal
04/22/2026 03 PM PDT 5.48 5886 + Normal
04/22/2026 04 PM PDT 5.47 5871 - Normal
04/22/2026 05 PM PDT 5.46 5856 - Normal
04/22/2026 06 PM PDT 5.46 5856 0 Normal
04/22/2026 07 PM PDT 5.43 5811 - Normal
04/22/2026 08 PM PDT 5.44 5826 + Normal
04/22/2026 09 PM PDT 5.42 5796 - Normal
04/22/2026 10 PM PDT 5.44 5826 + Normal
04/22/2026 11 PM PDT 5.41 5781 - Normal
04/23/2026 12 AM PDT 5.42 5796 + Normal
04/23/2026 01 AM PDT 5.41 5781 - Normal
04/23/2026 02 AM PDT 5.42 5796 + Normal
04/23/2026 03 AM PDT 5.41 5781 - Normal
04/23/2026 04 AM PDT 5.43 5811 + Normal
04/23/2026 05 AM PDT 5.41 5781 - Normal
04/23/2026 06 AM PDT 5.42 5796 + Normal
04/23/2026 07 AM PDT 5.42 5796 0 Normal
04/23/2026 08 AM PDT 5.42 5796 0 Normal
04/23/2026 09 AM PDT 5.42 5796 0 Normal
04/23/2026 10 AM PDT 5.42 5796 0 Normal
04/23/2026 11 AM PDT 5.43 5811 + Normal
04/23/2026 12 PM PDT 5.41 5781 - Normal
04/23/2026 01 PM PDT 5.43 5811 + Normal
04/23/2026 02 PM PDT 5.40 5766 - Normal
04/23/2026 03 PM PDT 5.39 5751 - Normal
04/23/2026 04 PM PDT 5.40 5766 + Normal
04/23/2026 05 PM PDT 5.36 5706 - Normal
04/23/2026 06 PM PDT 5.39 5751 + Normal
04/23/2026 07 PM PDT 5.35 5691 - Normal
04/23/2026 08 PM PDT 5.36 5706 + Normal
04/23/2026 09 PM PDT 5.36 5706 0 Normal
04/23/2026 10 PM PDT 5.34 5676 - Normal
04/23/2026 11 PM PDT 5.35 5691 + Normal
04/24/2026 12 AM PDT 5.33 5661 - Normal
04/24/2026 01 AM PDT 5.34 5676 + Normal
04/24/2026 02 AM PDT 5.33 5661 - Normal
04/24/2026 03 AM PDT 5.31 5631 - Normal
04/24/2026 04 AM PDT 5.30 5616 - Normal
04/24/2026 05 AM PDT 5.28 5587 - Normal
04/24/2026 06 AM PDT 5.28 5587 0 Normal
04/24/2026 07 AM PDT 5.26 5557 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/24/2026 08 AM PDT 5.25 5542 Normal
04/24/2026 09 AM PDT 5.23 5513 - Normal
04/24/2026 10 AM PDT 5.22 5498 - Normal
04/24/2026 11 AM PDT 5.20 5468 - Normal
04/24/2026 12 PM PDT 5.19 5454 - Normal
04/24/2026 01 PM PDT 5.17 5424 - Normal
04/24/2026 02 PM PDT 5.16 5410 - Normal
04/24/2026 03 PM PDT 5.14 5380 - Normal
04/24/2026 04 PM PDT 5.13 5366 - Normal
04/24/2026 05 PM PDT 5.12 5351 - Normal
04/24/2026 06 PM PDT 5.11 5336 - Normal
04/24/2026 07 PM PDT 5.09 5307 - Normal
04/24/2026 08 PM PDT 5.08 5292 - Normal
04/24/2026 09 PM PDT 5.07 5278 - Normal
04/24/2026 10 PM PDT 5.05 5249 - Normal
04/24/2026 11 PM PDT 5.04 5234 - Normal
04/25/2026 12 AM PDT 5.03 5220 - Normal
04/25/2026 01 AM PDT 5.01 5191 - Normal
04/25/2026 02 AM PDT 5.00 5176 - Normal
04/25/2026 03 AM PDT 4.99 5162 - Normal
04/25/2026 04 AM PDT 4.97 5133 - Normal
04/25/2026 05 AM PDT 4.96 5118 - Normal
04/25/2026 06 AM PDT 4.95 5104 - Normal
04/25/2026 07 AM PDT 4.94 5090 - Normal
04/25/2026 08 AM PDT 4.93 5075 - Normal
04/25/2026 09 AM PDT 4.92 5061 - Normal
04/25/2026 10 AM PDT 4.91 5047 - Normal
04/25/2026 11 AM PDT 4.90 5032 - Normal
04/25/2026 12 PM PDT 4.89 5018 - Normal
04/25/2026 01 PM PDT 4.88 5004 - Normal
04/25/2026 02 PM PDT 4.88 5004 0 Normal
04/25/2026 03 PM PDT 4.87 4989 - Normal
04/25/2026 04 PM PDT 4.86 4975 - Normal
04/25/2026 05 PM PDT 4.86 4975 0 Normal
04/25/2026 06 PM PDT 4.85 4961 - Normal
04/25/2026 07 PM PDT 4.84 4946 - Normal
04/25/2026 08 PM PDT 4.84 4946 0 Normal
04/25/2026 09 PM PDT 4.83 4932 - Normal
04/25/2026 10 PM PDT 4.83 4932 0 Normal
04/25/2026 11 PM PDT 4.82 4918 - Normal
04/26/2026 12 AM PDT 4.82 4918 0 Normal
04/26/2026 01 AM PDT 4.81 4904 - Normal
04/26/2026 02 AM PDT 4.81 4904 0 Normal
04/26/2026 03 AM PDT 4.80 4889 - Normal
04/26/2026 04 AM PDT 4.80 4889 0 Normal
04/26/2026 05 AM PDT 4.79 4875 - Normal
04/26/2026 06 AM PDT 4.79 4875 0 Normal
04/26/2026 07 AM PDT 4.78 4861 - Normal
04/26/2026 08 AM PDT 4.78 4861 0 Normal
04/26/2026 09 AM PDT 4.77 4847 - Normal
04/26/2026 10 AM PDT 4.76 4833 - Normal
04/26/2026 11 AM PDT 4.75 4819 - Normal
04/26/2026 12 PM PDT 4.75 4819 0 Normal
04/26/2026 01 PM PDT 4.74 4804 - Normal
04/26/2026 02 PM PDT 4.73 4790 - Normal
04/26/2026 03 PM PDT 4.73 4790 0 Normal
04/26/2026 04 PM PDT 4.72 4776 - Normal
04/26/2026 05 PM PDT 4.71 4762 - Normal
04/26/2026 06 PM PDT 4.71 4762 0 Normal
04/26/2026 07 PM PDT 4.70 4748 - Normal
04/26/2026 08 PM PDT 4.69 4734 - Normal
04/26/2026 09 PM PDT 4.69 4734 0 Normal
04/26/2026 10 PM PDT 4.68 4720 - Normal
04/26/2026 11 PM PDT 4.67 4706 - Normal
04/27/2026 12 AM PDT 4.67 4706 0 Normal
04/27/2026 01 AM PDT 4.66 4692 - Normal
04/27/2026 02 AM PDT 4.66 4692 0 Normal
04/27/2026 03 AM PDT 4.65 4678 - Normal
04/27/2026 04 AM PDT 4.64 4664 - Normal
04/27/2026 05 AM PDT 4.64 4664 0 Normal
04/27/2026 06 AM PDT 4.63 4650 - Normal
04/27/2026 07 AM PDT 4.62 4636 - Normal
04/27/2026 08 AM PDT 4.62 4636 0 Normal
04/27/2026 09 AM PDT 4.61 4622 - Normal
04/27/2026 10 AM PDT 4.60 4608 - Normal
04/27/2026 11 AM PDT 4.60 4608 0 Normal
04/27/2026 12 PM PDT 4.59 4594 - Normal
04/27/2026 01 PM PDT 4.58 4580 - Normal
04/27/2026 02 PM PDT 4.58 4580 0 Normal
04/27/2026 03 PM PDT 4.57 4566 - Normal
04/27/2026 04 PM PDT 4.57 4566 0 Normal
04/27/2026 05 PM PDT 4.56 4552 - Normal
04/27/2026 06 PM PDT 4.56 4552 0 Normal
04/27/2026 07 PM PDT 4.55 4538 - Normal
04/27/2026 08 PM PDT 4.55 4538 0 Normal
04/27/2026 09 PM PDT 4.54 4524 - Normal
04/27/2026 10 PM PDT 4.54 4524 0 Normal
04/27/2026 11 PM PDT 4.53 4511 - Normal
04/28/2026 12 AM PDT 4.53 4511 0 Normal
04/28/2026 01 AM PDT 4.53 4511 0 Normal
04/28/2026 02 AM PDT 4.52 4497 - Normal
04/28/2026 03 AM PDT 4.52 4497 0 Normal
04/28/2026 04 AM PDT 4.51 4483 - Normal
04/28/2026 05 AM PDT 4.51 4483 0 Normal
04/28/2026 06 AM PDT 4.50 4469 - Normal
04/28/2026 07 AM PDT 4.50 4469 0 Normal
04/28/2026 08 AM PDT 4.50 4469 0 Normal
04/28/2026 09 AM PDT 4.49 4455 - Normal
04/28/2026 10 AM PDT 4.49 4455 0 Normal
04/28/2026 11 AM PDT 4.49 4455 0 Normal
04/28/2026 12 PM PDT 4.48 4442 - Normal
04/28/2026 01 PM PDT 4.48 4442 0 Normal
04/28/2026 02 PM PDT 4.47 4428 - Normal
04/28/2026 03 PM PDT 4.47 4428 0 Normal
04/28/2026 04 PM PDT 4.46 4414 - Normal
04/28/2026 05 PM PDT 4.46 4414 0 Normal
04/28/2026 06 PM PDT 4.45 4400 - Normal
04/28/2026 07 PM PDT 4.45 4400 0 Normal
04/28/2026 08 PM PDT 4.45 4400 0 Normal
04/28/2026 09 PM PDT 4.44 4387 - Normal
04/28/2026 10 PM PDT 4.44 4387 0 Normal
04/28/2026 11 PM PDT 4.43 4373 - Normal
04/29/2026 12 AM PDT 4.43 4373 0 Normal
04/29/2026 01 AM PDT 4.42 4359 - Normal
04/29/2026 02 AM PDT 4.42 4359 0 Normal
04/29/2026 03 AM PDT 4.42 4359 0 Normal
04/29/2026 04 AM PDT 4.41 4345 - Normal
04/29/2026 05 AM PDT 4.41 4345 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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