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: Feb 27 2026 at 1:31 PM PSTNext Issuance: Feb 28 2026 at 9:00 AM PST
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:  02/27/2026 at 01:31 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/24/2026 at 08:00 PM PST
# Maximum Observed Stage:                       20.16 Feet
# Maximum Observed Flow:                        60354 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/27/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       11.55 Feet
# Maximum Forecast Flow:                        20551 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/22/2026 01 PM PST            6.73           7865                        Normal
  02/22/2026 02 PM PST            6.75           7898         +              Normal
  02/22/2026 03 PM PST            6.75           7898         0              Normal
  02/22/2026 04 PM PST            6.72           7848         -              Normal
  02/22/2026 05 PM PST            6.82           8015         +              Normal
  02/22/2026 06 PM PST            6.92           8194         +              Normal
  02/22/2026 07 PM PST            6.99           8321         +              Normal
  02/22/2026 08 PM PST            7.13           8575         +              Normal
  02/22/2026 09 PM PST            7.23           8759         +              Normal
  02/22/2026 10 PM PST            7.34           8964         +              Normal
  02/22/2026 11 PM PST            7.46           9206         +              Normal
  02/23/2026 12 AM PST            7.58           9450         +              Normal
  02/23/2026 01 AM PST            7.67           9636         +              Normal
  02/23/2026 02 AM PST            7.80           9906         +              Normal
  02/23/2026 03 AM PST            7.80           9906         0              Normal
  02/23/2026 04 AM PST            7.90          10124         +              Normal
  02/23/2026 05 AM PST            8.00          10353         +              Normal
  02/23/2026 06 AM PST            8.12          10639         +              Normal
  02/23/2026 07 AM PST            8.25          10954         +              Normal
  02/23/2026 08 AM PST            8.47          11499         +              Normal
  02/23/2026 09 AM PST            8.59          11801         +              Normal
  02/23/2026 10 AM PST            8.68          12031         +              Normal
  02/23/2026 11 AM PST            8.72          12133         +              Normal
  02/23/2026 12 PM PST            8.68          12031         -              Normal
  02/23/2026 01 PM PST            8.66          11979         -              Normal
  02/23/2026 02 PM PST            8.65          11954         -              Normal
  02/23/2026 03 PM PST            8.60          11826         -              Normal
  02/23/2026 04 PM PST            8.65          11954         +              Normal
  02/23/2026 05 PM PST            8.56          11725         -              Normal
  02/23/2026 06 PM PST            8.47          11499         -              Normal
  02/23/2026 07 PM PST            8.44          11424         -              Normal
  02/23/2026 08 PM PST            8.41          11349         -              Normal
  02/23/2026 09 PM PST            8.40          11324         -              Normal
  02/23/2026 10 PM PST            8.44          11424         +              Normal
  02/23/2026 11 PM PST            8.49          11549         +              Normal
  02/24/2026 12 AM PST            8.46          11474         -              Normal
  02/24/2026 01 AM PST            8.52          11624         +              Normal
  02/24/2026 02 AM PST            8.66          11979         +              Normal
  02/24/2026 03 AM PST            8.97          12786         +              Normal
  02/24/2026 04 AM PST            9.40          13949         +              Normal
  02/24/2026 05 AM PST           10.11          15984         +              Normal
  02/24/2026 06 AM PST           10.96          18609         +              Normal
  02/24/2026 07 AM PST           11.88          21681         +              Normal
  02/24/2026 08 AM PST           13.02          25825         +              Normal
  02/24/2026 09 AM PST           14.23          30633         +              Normal
  02/24/2026 10 AM PST           15.45          35909         +              Normal
  02/24/2026 11 AM PST           16.75          42007         +              Normal
  02/24/2026 12 PM PST           17.77          47137         +              Normal
  02/24/2026 01 PM PST           18.45          50726         +              Normal
  02/24/2026 02 PM PST           18.95          53452         +              Normal
  02/24/2026 03 PM PST           19.27          55235         +              Normal
  02/24/2026 04 PM PST           19.53          56707         +              Normal
  02/24/2026 05 PM PST           19.64          57335         +              Normal
  02/24/2026 06 PM PST           19.83          58429         +              Normal
  02/24/2026 07 PM PST           20.07          59825         +              Normal
  02/24/2026 08 PM PST           20.16          60354         +              Normal
  02/24/2026 09 PM PST           20.09          59943         -              Normal
  02/24/2026 10 PM PST           20.09          59943         0              Normal
  02/24/2026 11 PM PST           20.10          60001         +              Normal
  02/25/2026 12 AM PST           19.68          57564         -              Normal
  02/25/2026 01 AM PST           19.51          56593         -              Normal
  02/25/2026 02 AM PST           19.20          54843         -              Normal
  02/25/2026 03 AM PST           18.97          53563         -              Normal
  02/25/2026 04 AM PST           18.78          52517         -              Normal
  02/25/2026 05 AM PST           18.49          50942         -              Normal
  02/25/2026 06 AM PST           18.39          50404         -              Normal
  02/25/2026 07 AM PST           18.16          49179         -              Normal
  02/25/2026 08 AM PST           18.02          48441         -              Normal
  02/25/2026 09 AM PST           17.69          46724         -              Normal
  02/25/2026 10 AM PST           17.70          46775         +              Normal
  02/25/2026 11 AM PST           17.46          45546         -              Normal
  02/25/2026 12 PM PST           17.43          45393         -              Normal
  02/25/2026 01 PM PST           17.37          45089         -              Normal
  02/25/2026 02 PM PST           17.27          44584         -              Normal
  02/25/2026 03 PM PST           17.04          43434         -              Normal
  02/25/2026 04 PM PST           16.95          42989         -              Normal
  02/25/2026 05 PM PST           16.79          42202         -              Normal
  02/25/2026 06 PM PST           16.79          42202         0              Normal
  02/25/2026 07 PM PST           16.66          41569         -              Normal
  02/25/2026 08 PM PST           16.34          40030         -              Normal
  02/25/2026 09 PM PST           16.18          39272         -              Normal
  02/25/2026 10 PM PST           15.98          38335         -              Normal
  02/25/2026 11 PM PST           16.02          38522         +              Normal
  02/26/2026 12 AM PST           15.77          37364         -              Normal
  02/26/2026 01 AM PST           15.63          36724         -              Normal
  02/26/2026 02 AM PST           15.44          35864         -              Normal
  02/26/2026 03 AM PST           15.45          35909         +              Normal
  02/26/2026 04 AM PST           15.29          35192         -              Normal
  02/26/2026 05 AM PST           15.16          34615         -              Normal
  02/26/2026 06 AM PST           15.01          33956         -              Normal
  02/26/2026 07 AM PST           14.89          33433         -              Normal
  02/26/2026 08 AM PST           14.68          32528         -              Normal
  02/26/2026 09 AM PST           14.46          31594         -              Normal
  02/26/2026 10 AM PST           14.35          31132         -              Normal
  02/26/2026 11 AM PST           14.21          30550         -              Normal
  02/26/2026 12 PM PST           14.14          30260         -              Normal
  02/26/2026 01 PM PST           13.97          29564         -              Normal
  02/26/2026 02 PM PST           13.79          28836         -              Normal
  02/26/2026 03 PM PST           13.67          28355         -              Normal
  02/26/2026 04 PM PST           13.43          27407         -              Normal
  02/26/2026 05 PM PST           13.27          26784         -              Normal
  02/26/2026 06 PM PST           13.20          26514         -              Normal
  02/26/2026 07 PM PST           13.07          26015         -              Normal
  02/26/2026 08 PM PST           12.95          25560         -              Normal
  02/26/2026 09 PM PST           12.91          25409         -              Normal
  02/26/2026 10 PM PST           12.70          24624         -              Normal
  02/26/2026 11 PM PST           12.77          24884         +              Normal
  02/27/2026 12 AM PST           12.52          23962         -              Normal
  02/27/2026 01 AM PST           12.46          23743         -              Normal
  02/27/2026 02 AM PST           12.30          23165         -              Normal
  02/27/2026 03 AM PST           12.28          23093         -              Normal
  02/27/2026 04 AM PST           12.21          22843         -              Normal
  02/27/2026 05 AM PST           12.19          22771         -              Normal
  02/27/2026 06 AM PST           12.17          22700         -              Normal
  02/27/2026 07 AM PST           12.01          22135         -              Normal
  02/27/2026 08 AM PST           11.96          21960         -              Normal
  02/27/2026 09 AM PST           11.84          21543         -              Normal
  02/27/2026 10 AM PST           11.75          21233         -              Normal
  02/27/2026 11 AM PST           11.72          21130         -              Normal
  02/27/2026 12 PM PST           11.64          20856         -              Normal
  02/27/2026 01 PM PST           11.61          20755         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/27/2026 02 PM PST           11.55          20551                        Normal
  02/27/2026 03 PM PST           11.48          20316         -              Normal
  02/27/2026 04 PM PST           11.42          20115         -              Normal
  02/27/2026 05 PM PST           11.36          19915         -              Normal
  02/27/2026 06 PM PST           11.31          19749         -              Normal
  02/27/2026 07 PM PST           11.26          19584         -              Normal
  02/27/2026 08 PM PST           11.20          19387         -              Normal
  02/27/2026 09 PM PST           11.16          19256         -              Normal
  02/27/2026 10 PM PST           11.11          19093         -              Normal
  02/27/2026 11 PM PST           11.07          18963         -              Normal
  02/28/2026 12 AM PST           11.04          18866         -              Normal
  02/28/2026 01 AM PST           11.00          18737         -              Normal
  02/28/2026 02 AM PST           10.96          18609         -              Normal
  02/28/2026 03 AM PST           10.92          18481         -              Normal
  02/28/2026 04 AM PST           10.88          18353         -              Normal
  02/28/2026 05 AM PST           10.83          18194         -              Normal
  02/28/2026 06 AM PST           10.79          18067         -              Normal
  02/28/2026 07 AM PST           10.74          17910         -              Normal
  02/28/2026 08 AM PST           10.70          17784         -              Normal
  02/28/2026 09 AM PST           10.65          17628         -              Normal
  02/28/2026 10 AM PST           10.61          17503         -              Normal
  02/28/2026 11 AM PST           10.59          17441         -              Normal
  02/28/2026 12 PM PST           10.58          17410         -              Normal
  02/28/2026 01 PM PST           10.58          17410         0              Normal
  02/28/2026 02 PM PST           10.59          17441         +              Normal
  02/28/2026 03 PM PST           10.59          17441         0              Normal
  02/28/2026 04 PM PST           10.58          17410         -              Normal
  02/28/2026 05 PM PST           10.57          17379         -              Normal
  02/28/2026 06 PM PST           10.56          17348         -              Normal
  02/28/2026 07 PM PST           10.54          17286         -              Normal
  02/28/2026 08 PM PST           10.53          17255         -              Normal
  02/28/2026 09 PM PST           10.53          17255         0              Normal
  02/28/2026 10 PM PST           10.53          17255         0              Normal
  02/28/2026 11 PM PST           10.54          17286         +              Normal
  03/01/2026 12 AM PST           10.55          17317         +              Normal
  03/01/2026 01 AM PST           10.56          17348         +              Normal
  03/01/2026 02 AM PST           10.57          17379         +              Normal
  03/01/2026 03 AM PST           10.59          17441         +              Normal
  03/01/2026 04 AM PST           10.60          17472         +              Normal
  03/01/2026 05 AM PST           10.60          17472         0              Normal
  03/01/2026 06 AM PST           10.60          17472         0              Normal
  03/01/2026 07 AM PST           10.60          17472         0              Normal
  03/01/2026 08 AM PST           10.60          17472         0              Normal
  03/01/2026 09 AM PST           10.59          17441         -              Normal
  03/01/2026 10 AM PST           10.57          17379         -              Normal
  03/01/2026 11 AM PST           10.56          17348         -              Normal
  03/01/2026 12 PM PST           10.54          17286         -              Normal
  03/01/2026 01 PM PST           10.51          17194         -              Normal
  03/01/2026 02 PM PST           10.49          17132         -              Normal
  03/01/2026 03 PM PST           10.47          17071         -              Normal
  03/01/2026 04 PM PST           10.46          17040         -              Normal
  03/01/2026 05 PM PST           10.45          17009         -              Normal
  03/01/2026 06 PM PST           10.45          17009         0              Normal
  03/01/2026 07 PM PST           10.45          17009         0              Normal
  03/01/2026 08 PM PST           10.46          17040         +              Normal
  03/01/2026 09 PM PST           10.46          17040         0              Normal
  03/01/2026 10 PM PST           10.47          17071         +              Normal
  03/01/2026 11 PM PST           10.49          17132         +              Normal
  03/02/2026 12 AM PST           10.50          17163         +              Normal
  03/02/2026 01 AM PST           10.51          17194         +              Normal
  03/02/2026 02 AM PST           10.53          17255         +              Normal
  03/02/2026 03 AM PST           10.54          17286         +              Normal
  03/02/2026 04 AM PST           10.54          17286         0              Normal
  03/02/2026 05 AM PST           10.55          17317         +              Normal
  03/02/2026 06 AM PST           10.55          17317         0              Normal
  03/02/2026 07 AM PST           10.54          17286         -              Normal
  03/02/2026 08 AM PST           10.54          17286         0              Normal
  03/02/2026 09 AM PST           10.53          17255         -              Normal
  03/02/2026 10 AM PST           10.51          17194         -              Normal
  03/02/2026 11 AM PST           10.49          17132         -              Normal
  03/02/2026 12 PM PST           10.47          17071         -              Normal
  03/02/2026 01 PM PST           10.45          17009         -              Normal
  03/02/2026 02 PM PST           10.42          16917         -              Normal
  03/02/2026 03 PM PST           10.39          16826         -              Normal
  03/02/2026 04 PM PST           10.35          16704         -              Normal
  03/02/2026 05 PM PST           10.32          16613         -              Normal
  03/02/2026 06 PM PST           10.29          16523         -              Normal
  03/02/2026 07 PM PST           10.25          16402         -              Normal
  03/02/2026 08 PM PST           10.22          16312         -              Normal
  03/02/2026 09 PM PST           10.19          16222         -              Normal
  03/02/2026 10 PM PST           10.16          16133         -              Normal
  03/02/2026 11 PM PST           10.13          16043         -              Normal
  03/03/2026 12 AM PST           10.10          15954         -              Normal
  03/03/2026 01 AM PST           10.08          15895         -              Normal
  03/03/2026 02 AM PST           10.06          15836         -              Normal
  03/03/2026 03 AM PST           10.04          15777         -              Normal
  03/03/2026 04 AM PST           10.02          15718         -              Normal
  03/03/2026 05 AM PST           10.00          15659         -              Normal
  03/03/2026 06 AM PST            9.97          15572         -              Normal
  03/03/2026 07 AM PST            9.95          15513         -              Normal
  03/03/2026 08 AM PST            9.93          15455         -              Normal
  03/03/2026 09 AM PST            9.90          15367         -              Normal
  03/03/2026 10 AM PST            9.87          15280         -              Normal
  03/03/2026 11 AM PST            9.84          15193         -              Normal
  03/03/2026 12 PM PST            9.80          15078         -              Normal
  03/03/2026 01 PM PST            9.77          14992         -              Normal
  03/03/2026 02 PM PST            9.74          14906         -              Normal
  03/03/2026 03 PM PST            9.70          14791         -              Normal
  03/03/2026 04 PM PST            9.67          14706         -              Normal
  03/03/2026 05 PM PST            9.63          14593         -              Normal
  03/03/2026 06 PM PST            9.60          14508         -              Normal
  03/03/2026 07 PM PST            9.57          14423         -              Normal
  03/03/2026 08 PM PST            9.53          14311         -              Normal
  03/03/2026 09 PM PST            9.50          14227         -              Normal
  03/03/2026 10 PM PST            9.47          14143         -              Normal
  03/03/2026 11 PM PST            9.44          14060         -              Normal
  03/04/2026 12 AM PST            9.41          13977         -              Normal
  03/04/2026 01 AM PST            9.39          13921         -              Normal
  03/04/2026 02 AM PST            9.37          13866         -              Normal
  03/04/2026 03 AM PST            9.34          13784         -              Normal
  03/04/2026 04 AM PST            9.32          13729         -              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.