KLAMATH RIVER - ORLEANS (ONSC1)
Latitude: 41.30º NLongitude: 123.54º WElevation: 354 FeetForecast Type: Official Location
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Apr 10 2026 at 1:07 PM PDTNext Issuance: Apr 11 2026 at 9:00 AM PDT
Action/Monitor: 32.0 FeetMinor Flood: 38.0 FeetModerate Flood: 43.0 FeetMajor Flood: 48.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Klamath River - Orleans (ONSC1)
#
# File Generation Time:  04/10/2026 at 01:07 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/10/2026 at 12:00 PM PDT
# Maximum Observed Stage:                       5.30 Feet
# Maximum Observed Flow:                        5616 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 03:00 AM PDT
# Maximum Forecast Stage:                       8.60 Feet
# Maximum Forecast Flow:                        11826 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/05/2026 01 PM PDT            5.23           5513                        Normal
  04/05/2026 02 PM PDT            5.25           5542         +              Normal
  04/05/2026 03 PM PDT            5.25           5542         0              Normal
  04/05/2026 04 PM PDT            5.23           5513         -              Normal
  04/05/2026 05 PM PDT            5.23           5513         0              Normal
  04/05/2026 06 PM PDT            5.23           5513         0              Normal
  04/05/2026 07 PM PDT            5.22           5498         -              Normal
  04/05/2026 08 PM PDT            5.20           5468         -              Normal
  04/05/2026 09 PM PDT            5.19           5454         -              Normal
  04/05/2026 10 PM PDT            5.19           5454         0              Normal
  04/05/2026 11 PM PDT            5.20           5468         +              Normal
  04/06/2026 12 AM PDT            5.19           5454         -              Normal
  04/06/2026 01 AM PDT            5.20           5468         +              Normal
  04/06/2026 02 AM PDT            5.21           5483         +              Normal
  04/06/2026 03 AM PDT            5.18           5439         -              Normal
  04/06/2026 04 AM PDT            5.19           5454         +              Normal
  04/06/2026 05 AM PDT            5.18           5439         -              Normal
  04/06/2026 06 AM PDT            5.22           5498         +              Normal
  04/06/2026 07 AM PDT            5.23           5513         +              Normal
  04/06/2026 08 AM PDT            5.21           5483         -              Normal
  04/06/2026 09 AM PDT            5.22           5498         +              Normal
  04/06/2026 10 AM PDT            5.21           5483         -              Normal
  04/06/2026 11 AM PDT            5.21           5483         0              Normal
  04/06/2026 12 PM PDT            5.19           5454         -              Normal
  04/06/2026 01 PM PDT            5.21           5483         +              Normal
  04/06/2026 02 PM PDT            5.19           5454         -              Normal
  04/06/2026 03 PM PDT            5.18           5439         -              Normal
  04/06/2026 04 PM PDT            5.18           5439         0              Normal
  04/06/2026 05 PM PDT            5.17           5424         -              Normal
  04/06/2026 06 PM PDT            5.18           5439         +              Normal
  04/06/2026 07 PM PDT            5.17           5424         -              Normal
  04/06/2026 08 PM PDT            5.15           5395         -              Normal
  04/06/2026 09 PM PDT            5.12           5351         -              Normal
  04/06/2026 10 PM PDT            5.16           5410         +              Normal
  04/06/2026 11 PM PDT            5.14           5380         -              Normal
  04/07/2026 12 AM PDT            5.12           5351         -              Normal
  04/07/2026 01 AM PDT            5.11           5336         -              Normal
  04/07/2026 02 AM PDT            5.12           5351         +              Normal
  04/07/2026 03 AM PDT            5.11           5336         -              Normal
  04/07/2026 04 AM PDT            5.13           5366         +              Normal
  04/07/2026 05 AM PDT            5.11           5336         -              Normal
  04/07/2026 06 AM PDT            5.11           5336         0              Normal
  04/07/2026 07 AM PDT            5.12           5351         +              Normal
  04/07/2026 08 AM PDT            5.10           5322         -              Normal
  04/07/2026 09 AM PDT            5.09           5307         -              Normal
  04/07/2026 10 AM PDT            5.10           5322         +              Normal
  04/07/2026 11 AM PDT            5.09           5307         -              Normal
  04/07/2026 12 PM PDT            5.09           5307         0              Normal
  04/07/2026 01 PM PDT            5.10           5322         +              Normal
  04/07/2026 02 PM PDT            5.08           5292         -              Normal
  04/07/2026 03 PM PDT            5.10           5322         +              Normal
  04/07/2026 04 PM PDT            5.07           5278         -              Normal
  04/07/2026 05 PM PDT            5.09           5307         +              Normal
  04/07/2026 06 PM PDT            5.07           5278         -              Normal
  04/07/2026 07 PM PDT            5.07           5278         0              Normal
  04/07/2026 08 PM PDT            5.07           5278         0              Normal
  04/07/2026 09 PM PDT            5.05           5249         -              Normal
  04/07/2026 10 PM PDT            5.03           5220         -              Normal
  04/07/2026 11 PM PDT            5.03           5220         0              Normal
  04/08/2026 12 AM PDT            5.01           5191         -              Normal
  04/08/2026 01 AM PDT            5.02           5205         +              Normal
  04/08/2026 02 AM PDT            5.01           5191         -              Normal
  04/08/2026 03 AM PDT            5.00           5176         -              Normal
  04/08/2026 04 AM PDT            5.01           5191         +              Normal
  04/08/2026 05 AM PDT            5.01           5191         0              Normal
  04/08/2026 06 AM PDT            4.98           5147         -              Normal
  04/08/2026 07 AM PDT            4.99           5162         +              Normal
  04/08/2026 08 AM PDT            4.97           5133         -              Normal
  04/08/2026 09 AM PDT            5.00           5176         +              Normal
  04/08/2026 10 AM PDT            4.99           5162         -              Normal
  04/08/2026 11 AM PDT            4.98           5147         -              Normal
  04/08/2026 12 PM PDT            4.97           5133         -              Normal
  04/08/2026 01 PM PDT            4.97           5133         0              Normal
  04/08/2026 02 PM PDT            4.97           5133         0              Normal
  04/08/2026 03 PM PDT            4.96           5118         -              Normal
  04/08/2026 04 PM PDT            4.98           5147         +              Normal
  04/08/2026 05 PM PDT            4.95           5104         -              Normal
  04/08/2026 06 PM PDT            4.98           5147         +              Normal
  04/08/2026 07 PM PDT            4.95           5104         -              Normal
  04/08/2026 08 PM PDT            4.94           5090         -              Normal
  04/08/2026 09 PM PDT            4.95           5104         +              Normal
  04/08/2026 10 PM PDT            4.93           5075         -              Normal
  04/08/2026 11 PM PDT            4.93           5075         0              Normal
  04/09/2026 12 AM PDT            4.93           5075         0              Normal
  04/09/2026 01 AM PDT            4.95           5104         +              Normal
  04/09/2026 02 AM PDT            4.95           5104         0              Normal
  04/09/2026 03 AM PDT            4.97           5133         +              Normal
  04/09/2026 04 AM PDT            4.99           5162         +              Normal
  04/09/2026 05 AM PDT            4.97           5133         -              Normal
  04/09/2026 06 AM PDT            5.00           5176         +              Normal
  04/09/2026 07 AM PDT            4.98           5147         -              Normal
  04/09/2026 08 AM PDT            5.01           5191         +              Normal
  04/09/2026 09 AM PDT            4.98           5147         -              Normal
  04/09/2026 10 AM PDT            5.04           5234         +              Normal
  04/09/2026 11 AM PDT            5.07           5278         +              Normal
  04/09/2026 12 PM PDT            5.08           5292         +              Normal
  04/09/2026 01 PM PDT            5.12           5351         +              Normal
  04/09/2026 02 PM PDT            5.15           5395         +              Normal
  04/09/2026 03 PM PDT            5.17           5424         +              Normal
  04/09/2026 04 PM PDT            5.14           5380         -              Normal
  04/09/2026 05 PM PDT            5.13           5366         -              Normal
  04/09/2026 06 PM PDT            5.12           5351         -              Normal
  04/09/2026 07 PM PDT            5.11           5336         -              Normal
  04/09/2026 08 PM PDT            5.15           5395         +              Normal
  04/09/2026 09 PM PDT            5.12           5351         -              Normal
  04/09/2026 10 PM PDT            5.15           5395         +              Normal
  04/09/2026 11 PM PDT            5.18           5439         +              Normal
  04/10/2026 12 AM PDT            5.18           5439         0              Normal
  04/10/2026 01 AM PDT            5.19           5454         +              Normal
  04/10/2026 02 AM PDT            5.20           5468         +              Normal
  04/10/2026 03 AM PDT            5.21           5483         +              Normal
  04/10/2026 04 AM PDT            5.20           5468         -              Normal
  04/10/2026 05 AM PDT            5.22           5498         +              Normal
  04/10/2026 06 AM PDT            5.22           5498         0              Normal
  04/10/2026 07 AM PDT            5.21           5483         -              Normal
  04/10/2026 08 AM PDT            5.25           5542         +              Normal
  04/10/2026 09 AM PDT            5.28           5587         +              Normal
  04/10/2026 10 AM PDT            5.27           5572         -              Normal
  04/10/2026 11 AM PDT            5.30           5616         +              Normal
  04/10/2026 12 PM PDT            5.30           5616         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/10/2026 01 PM PDT            5.30           5616                        Normal
  04/10/2026 02 PM PDT            5.28           5587         -              Normal
  04/10/2026 03 PM PDT            5.29           5601         +              Normal
  04/10/2026 04 PM PDT            5.33           5661         +              Normal
  04/10/2026 05 PM PDT            5.42           5796         +              Normal
  04/10/2026 06 PM PDT            5.55           5992         +              Normal
  04/10/2026 07 PM PDT            5.71           6236         +              Normal
  04/10/2026 08 PM PDT            5.91           6546         +              Normal
  04/10/2026 09 PM PDT            6.09           6829         +              Normal
  04/10/2026 10 PM PDT            6.28           7131         +              Normal
  04/10/2026 11 PM PDT            6.46           7422         +              Normal
  04/11/2026 12 AM PDT            6.63           7700         +              Normal
  04/11/2026 01 AM PDT            6.77           7931         +              Normal
  04/11/2026 02 AM PDT            6.89           8141         +              Normal
  04/11/2026 03 AM PDT            6.98           8303         +              Normal
  04/11/2026 04 AM PDT            7.04           8411         +              Normal
  04/11/2026 05 AM PDT            7.07           8466         +              Normal
  04/11/2026 06 AM PDT            7.07           8466         0              Normal
  04/11/2026 07 AM PDT            7.04           8411         -              Normal
  04/11/2026 08 AM PDT            7.01           8357         -              Normal
  04/11/2026 09 AM PDT            6.98           8303         -              Normal
  04/11/2026 10 AM PDT            6.96           8266         -              Normal
  04/11/2026 11 AM PDT            6.97           8284         +              Normal
  04/11/2026 12 PM PDT            7.01           8357         +              Normal
  04/11/2026 01 PM PDT            7.06           8447         +              Normal
  04/11/2026 02 PM PDT            7.15           8612         +              Normal
  04/11/2026 03 PM PDT            7.25           8795         +              Normal
  04/11/2026 04 PM PDT            7.38           9044         +              Normal
  04/11/2026 05 PM PDT            7.53           9348         +              Normal
  04/11/2026 06 PM PDT            7.72           9739         +              Normal
  04/11/2026 07 PM PDT            7.92          10170         +              Normal
  04/11/2026 08 PM PDT            8.10          10591         +              Normal
  04/11/2026 09 PM PDT            8.26          10979         +              Normal
  04/11/2026 10 PM PDT            8.38          11274         +              Normal
  04/11/2026 11 PM PDT            8.47          11499         +              Normal
  04/12/2026 12 AM PDT            8.54          11675         +              Normal
  04/12/2026 01 AM PDT            8.58          11776         +              Normal
  04/12/2026 02 AM PDT            8.59          11801         +              Normal
  04/12/2026 03 AM PDT            8.60          11826         +              Normal
  04/12/2026 04 AM PDT            8.59          11801         -              Normal
  04/12/2026 05 AM PDT            8.56          11725         -              Normal
  04/12/2026 06 AM PDT            8.53          11649         -              Normal
  04/12/2026 07 AM PDT            8.49          11549         -              Normal
  04/12/2026 08 AM PDT            8.45          11449         -              Normal
  04/12/2026 09 AM PDT            8.41          11349         -              Normal
  04/12/2026 10 AM PDT            8.38          11274         -              Normal
  04/12/2026 11 AM PDT            8.34          11175         -              Normal
  04/12/2026 12 PM PDT            8.31          11102         -              Normal
  04/12/2026 01 PM PDT            8.28          11028         -              Normal
  04/12/2026 02 PM PDT            8.25          10954         -              Normal
  04/12/2026 03 PM PDT            8.23          10906         -              Normal
  04/12/2026 04 PM PDT            8.20          10833         -              Normal
  04/12/2026 05 PM PDT            8.18          10784         -              Normal
  04/12/2026 06 PM PDT            8.16          10736         -              Normal
  04/12/2026 07 PM PDT            8.14          10688         -              Normal
  04/12/2026 08 PM PDT            8.13          10663         -              Normal
  04/12/2026 09 PM PDT            8.11          10615         -              Normal
  04/12/2026 10 PM PDT            8.08          10543         -              Normal
  04/12/2026 11 PM PDT            8.05          10472         -              Normal
  04/13/2026 12 AM PDT            8.01          10376         -              Normal
  04/13/2026 01 AM PDT            7.97          10284         -              Normal
  04/13/2026 02 AM PDT            7.92          10170         -              Normal
  04/13/2026 03 AM PDT            7.87          10057         -              Normal
  04/13/2026 04 AM PDT            7.82           9948         -              Normal
  04/13/2026 05 AM PDT            7.77           9843         -              Normal
  04/13/2026 06 AM PDT            7.72           9739         -              Normal
  04/13/2026 07 AM PDT            7.67           9636         -              Normal
  04/13/2026 08 AM PDT            7.63           9553         -              Normal
  04/13/2026 09 AM PDT            7.58           9450         -              Normal
  04/13/2026 10 AM PDT            7.54           9369         -              Normal
  04/13/2026 11 AM PDT            7.51           9307         -              Normal
  04/13/2026 12 PM PDT            7.47           9226         -              Normal
  04/13/2026 01 PM PDT            7.44           9165         -              Normal
  04/13/2026 02 PM PDT            7.41           9105         -              Normal
  04/13/2026 03 PM PDT            7.38           9044         -              Normal
  04/13/2026 04 PM PDT            7.35           8984         -              Normal
  04/13/2026 05 PM PDT            7.33           8944         -              Normal
  04/13/2026 06 PM PDT            7.30           8888         -              Normal
  04/13/2026 07 PM PDT            7.28           8851         -              Normal
  04/13/2026 08 PM PDT            7.26           8814         -              Normal
  04/13/2026 09 PM PDT            7.24           8777         -              Normal
  04/13/2026 10 PM PDT            7.22           8740         -              Normal
  04/13/2026 11 PM PDT            7.21           8722         -              Normal
  04/14/2026 12 AM PDT            7.19           8685         -              Normal
  04/14/2026 01 AM PDT            7.17           8648         -              Normal
  04/14/2026 02 AM PDT            7.16           8630         -              Normal
  04/14/2026 03 AM PDT            7.14           8593         -              Normal
  04/14/2026 04 AM PDT            7.12           8557         -              Normal
  04/14/2026 05 AM PDT            7.11           8539         -              Normal
  04/14/2026 06 AM PDT            7.09           8502         -              Normal
  04/14/2026 07 AM PDT            7.07           8466         -              Normal
  04/14/2026 08 AM PDT            7.05           8429         -              Normal
  04/14/2026 09 AM PDT            7.03           8393         -              Normal
  04/14/2026 10 AM PDT            7.00           8339         -              Normal
  04/14/2026 11 AM PDT            6.98           8303         -              Normal
  04/14/2026 12 PM PDT            6.96           8266         -              Normal
  04/14/2026 01 PM PDT            6.94           8230         -              Normal
  04/14/2026 02 PM PDT            6.92           8194         -              Normal
  04/14/2026 03 PM PDT            6.90           8158         -              Normal
  04/14/2026 04 PM PDT            6.88           8123         -              Normal
  04/14/2026 05 PM PDT            6.87           8105         -              Normal
  04/14/2026 06 PM PDT            6.87           8105         0              Normal
  04/14/2026 07 PM PDT            6.87           8105         0              Normal
  04/14/2026 08 PM PDT            6.87           8105         0              Normal
  04/14/2026 09 PM PDT            6.86           8087         -              Normal
  04/14/2026 10 PM PDT            6.86           8087         0              Normal
  04/14/2026 11 PM PDT            6.86           8087         0              Normal
  04/15/2026 12 AM PDT            6.85           8069         -              Normal
  04/15/2026 01 AM PDT            6.85           8069         0              Normal
  04/15/2026 02 AM PDT            6.84           8051         -              Normal
  04/15/2026 03 AM PDT            6.83           8033         -              Normal
  04/15/2026 04 AM PDT            6.82           8015         -              Normal
  04/15/2026 05 AM PDT            6.81           7998         -              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.