SOUTH FORK YUBA RIVER - JONES BAR (JNSC1)
Latitude: 39.29º NLongitude: 121.10º WElevation: 1060 FeetForecast Type: Unofficial Location
Location: Nevada County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Apr 21 2026 at 7:25 AM PDTNext Issuance: Apr 22 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: South Fork Yuba River - Jones Bar (JNSC1)
#
# File Generation Time:  04/21/2026 at 07:28 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/16/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       8.45 Feet
# Maximum Observed Flow:                        2262 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       9.44 Feet
# Maximum Forecast Flow:                        3144 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/16/2026 07 AM PDT            8.42           2239                Not Applicable
  04/16/2026 08 AM PDT            8.45           2262         +      Not Applicable
  04/16/2026 09 AM PDT            8.44           2254         -      Not Applicable
  04/16/2026 10 AM PDT            8.43           2247         -      Not Applicable
  04/16/2026 11 AM PDT            8.42           2239         -      Not Applicable
  04/16/2026 12 PM PDT            8.41           2231         -      Not Applicable
  04/16/2026 01 PM PDT            8.40           2223         -      Not Applicable
  04/16/2026 02 PM PDT            8.40           2223         0      Not Applicable
  04/16/2026 03 PM PDT            8.39           2215         -      Not Applicable
  04/16/2026 04 PM PDT            8.39           2215         0      Not Applicable
  04/16/2026 05 PM PDT            8.38           2207         -      Not Applicable
  04/16/2026 06 PM PDT            8.37           2200         -      Not Applicable
  04/16/2026 07 PM PDT            8.37           2200         0      Not Applicable
  04/16/2026 08 PM PDT            8.36           2192         -      Not Applicable
  04/16/2026 09 PM PDT            8.35           2184         -      Not Applicable
  04/16/2026 10 PM PDT            8.35           2184         0      Not Applicable
  04/16/2026 11 PM PDT            8.35           2184         0      Not Applicable
  04/17/2026 12 AM PDT            8.32           2161         -      Not Applicable
  04/17/2026 01 AM PDT            8.32           2161         0      Not Applicable
  04/17/2026 02 AM PDT            8.32           2161         0      Not Applicable
  04/17/2026 03 AM PDT            8.31           2154         -      Not Applicable
  04/17/2026 04 AM PDT            8.30           2146         -      Not Applicable
  04/17/2026 05 AM PDT            8.29           2138         -      Not Applicable
  04/17/2026 06 AM PDT            8.28           2131         -      Not Applicable
  04/17/2026 07 AM PDT            8.28           2131         0      Not Applicable
  04/17/2026 08 AM PDT            8.27           2123         -      Not Applicable
  04/17/2026 09 AM PDT            8.26           2115         -      Not Applicable
  04/17/2026 10 AM PDT            8.25           2108         -      Not Applicable
  04/17/2026 11 AM PDT            8.25           2108         0      Not Applicable
  04/17/2026 12 PM PDT            8.25           2108         0      Not Applicable
  04/17/2026 01 PM PDT            8.23           2093         -      Not Applicable
  04/17/2026 02 PM PDT            8.22           2085         -      Not Applicable
  04/17/2026 03 PM PDT            8.22           2085         0      Not Applicable
  04/17/2026 04 PM PDT            8.21           2078         -      Not Applicable
  04/17/2026 05 PM PDT            8.20           2070         -      Not Applicable
  04/17/2026 06 PM PDT            8.20           2070         0      Not Applicable
  04/17/2026 07 PM PDT            8.21           2078         +      Not Applicable
  04/17/2026 08 PM PDT            8.20           2070         -      Not Applicable
  04/17/2026 09 PM PDT            8.21           2078         +      Not Applicable
  04/17/2026 10 PM PDT            8.20           2070         -      Not Applicable
  04/17/2026 11 PM PDT            8.20           2070         0      Not Applicable
  04/18/2026 12 AM PDT            8.19           2063         -      Not Applicable
  04/18/2026 01 AM PDT            8.18           2055         -      Not Applicable
  04/18/2026 02 AM PDT            8.18           2055         0      Not Applicable
  04/18/2026 03 AM PDT            8.16           2041         -      Not Applicable
  04/18/2026 04 AM PDT            8.15           2033         -      Not Applicable
  04/18/2026 05 AM PDT            8.14           2026         -      Not Applicable
  04/18/2026 06 AM PDT            8.14           2026         0      Not Applicable
  04/18/2026 07 AM PDT            8.12           2011         -      Not Applicable
  04/18/2026 08 AM PDT            8.10           1997         -      Not Applicable
  04/18/2026 09 AM PDT            8.09           1990         -      Not Applicable
  04/18/2026 10 AM PDT            8.09           1990         0      Not Applicable
  04/18/2026 11 AM PDT            8.08           1982         -      Not Applicable
  04/18/2026 12 PM PDT            8.07           1975         -      Not Applicable
  04/18/2026 01 PM PDT            8.06           1968         -      Not Applicable
  04/18/2026 02 PM PDT            8.06           1968         0      Not Applicable
  04/18/2026 03 PM PDT            8.05           1961         -      Not Applicable
  04/18/2026 04 PM PDT            8.05           1961         0      Not Applicable
  04/18/2026 05 PM PDT            8.04           1954         -      Not Applicable
  04/18/2026 06 PM PDT            8.03           1946         -      Not Applicable
  04/18/2026 07 PM PDT            8.02           1939         -      Not Applicable
  04/18/2026 08 PM PDT            8.00           1925         -      Not Applicable
  04/18/2026 09 PM PDT            8.01           1932         +      Not Applicable
  04/18/2026 10 PM PDT            8.00           1925         -      Not Applicable
  04/18/2026 11 PM PDT            7.99           1918         -      Not Applicable
  04/19/2026 12 AM PDT            7.98           1911         -      Not Applicable
  04/19/2026 01 AM PDT            7.98           1911         0      Not Applicable
  04/19/2026 02 AM PDT            7.97           1904         -      Not Applicable
  04/19/2026 03 AM PDT            7.96           1897         -      Not Applicable
  04/19/2026 04 AM PDT            7.95           1890         -      Not Applicable
  04/19/2026 05 AM PDT            7.94           1883         -      Not Applicable
  04/19/2026 06 AM PDT            7.93           1876         -      Not Applicable
  04/19/2026 07 AM PDT            7.92           1869         -      Not Applicable
  04/19/2026 08 AM PDT            7.92           1869         0      Not Applicable
  04/19/2026 09 AM PDT            7.91           1862         -      Not Applicable
  04/19/2026 10 AM PDT            7.89           1848         -      Not Applicable
  04/19/2026 11 AM PDT            7.89           1848         0      Not Applicable
  04/19/2026 12 PM PDT            7.88           1841         -      Not Applicable
  04/19/2026 01 PM PDT            7.87           1834         -      Not Applicable
  04/19/2026 02 PM PDT            7.87           1834         0      Not Applicable
  04/19/2026 03 PM PDT            7.86           1828         -      Not Applicable
  04/19/2026 04 PM PDT            7.85           1821         -      Not Applicable
  04/19/2026 05 PM PDT            7.84           1814         -      Not Applicable
  04/19/2026 06 PM PDT            7.83           1807         -      Not Applicable
  04/19/2026 07 PM PDT            7.82           1800         -      Not Applicable
  04/19/2026 08 PM PDT            7.82           1800         0      Not Applicable
  04/19/2026 09 PM PDT            7.81           1794         -      Not Applicable
  04/19/2026 10 PM PDT            7.81           1794         0      Not Applicable
  04/19/2026 11 PM PDT            7.79           1780         -      Not Applicable
  04/20/2026 12 AM PDT            7.79           1780         0      Not Applicable
  04/20/2026 01 AM PDT            7.77           1767         -      Not Applicable
  04/20/2026 02 AM PDT            7.76           1760         -      Not Applicable
  04/20/2026 03 AM PDT            7.76           1760         0      Not Applicable
  04/20/2026 04 AM PDT            7.75           1753         -      Not Applicable
  04/20/2026 05 AM PDT            7.74           1747         -      Not Applicable
  04/20/2026 06 AM PDT            7.72           1733         -      Not Applicable
  04/20/2026 07 AM PDT            7.72           1733         0      Not Applicable
  04/20/2026 08 AM PDT            7.72           1733         0      Not Applicable
  04/20/2026 09 AM PDT            7.70           1720         -      Not Applicable
  04/20/2026 10 AM PDT            7.69           1714         -      Not Applicable
  04/20/2026 11 AM PDT            7.68           1707         -      Not Applicable
  04/20/2026 12 PM PDT            7.67           1701         -      Not Applicable
  04/20/2026 01 PM PDT            7.67           1701         0      Not Applicable
  04/20/2026 02 PM PDT            7.66           1694         -      Not Applicable
  04/20/2026 03 PM PDT            7.65           1688         -      Not Applicable
  04/20/2026 04 PM PDT            7.64           1681         -      Not Applicable
  04/20/2026 05 PM PDT            7.64           1681         0      Not Applicable
  04/20/2026 06 PM PDT            7.62           1669         -      Not Applicable
  04/20/2026 07 PM PDT            7.61           1662         -      Not Applicable
  04/20/2026 08 PM PDT            7.56           1630         -      Not Applicable
  04/20/2026 09 PM PDT            7.51           1598         -      Not Applicable
  04/20/2026 10 PM PDT            7.49           1586         -      Not Applicable
  04/20/2026 11 PM PDT            7.47           1574         -      Not Applicable
  04/21/2026 12 AM PDT            7.46           1567         -      Not Applicable
  04/21/2026 01 AM PDT            7.46           1567         0      Not Applicable
  04/21/2026 02 AM PDT            7.46           1567         0      Not Applicable
  04/21/2026 03 AM PDT            7.46           1567         0      Not Applicable
  04/21/2026 04 AM PDT            7.46           1567         0      Not Applicable
  04/21/2026 05 AM PDT            7.44           1555         -      Not Applicable
  04/21/2026 06 AM PDT            7.55           1624         +      Not Applicable
  04/21/2026 07 AM PDT            7.67           1701         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/21/2026 08 AM PDT            7.76           1760                Not Applicable
  04/21/2026 09 AM PDT            7.84           1814         +      Not Applicable
  04/21/2026 10 AM PDT            7.94           1883         +      Not Applicable
  04/21/2026 11 AM PDT            8.03           1946         +      Not Applicable
  04/21/2026 12 PM PDT            8.16           2041         +      Not Applicable
  04/21/2026 01 PM PDT            8.30           2146         +      Not Applicable
  04/21/2026 02 PM PDT            8.42           2239         +      Not Applicable
  04/21/2026 03 PM PDT            8.54           2334         +      Not Applicable
  04/21/2026 04 PM PDT            8.66           2433         +      Not Applicable
  04/21/2026 05 PM PDT            8.77           2525         +      Not Applicable
  04/21/2026 06 PM PDT            8.87           2612         +      Not Applicable
  04/21/2026 07 PM PDT            8.97           2700         +      Not Applicable
  04/21/2026 08 PM PDT            9.06           2782         +      Not Applicable
  04/21/2026 09 PM PDT            9.15           2865         +      Not Applicable
  04/21/2026 10 PM PDT            9.24           2950         +      Not Applicable
  04/21/2026 11 PM PDT            9.33           3036         +      Not Applicable
  04/22/2026 12 AM PDT            9.35           3055         +      Not Applicable
  04/22/2026 01 AM PDT            9.37           3075         +      Not Applicable
  04/22/2026 02 AM PDT            9.39           3094         +      Not Applicable
  04/22/2026 03 AM PDT            9.41           3114         +      Not Applicable
  04/22/2026 04 AM PDT            9.42           3124         +      Not Applicable
  04/22/2026 05 AM PDT            9.44           3144         +      Not Applicable
  04/22/2026 06 AM PDT            9.41           3114         -      Not Applicable
  04/22/2026 07 AM PDT            9.38           3084         -      Not Applicable
  04/22/2026 08 AM PDT            9.36           3065         -      Not Applicable
  04/22/2026 09 AM PDT            9.32           3026         -      Not Applicable
  04/22/2026 10 AM PDT            9.29           2997         -      Not Applicable
  04/22/2026 11 AM PDT            9.26           2969         -      Not Applicable
  04/22/2026 12 PM PDT            9.21           2921         -      Not Applicable
  04/22/2026 01 PM PDT            9.17           2884         -      Not Applicable
  04/22/2026 02 PM PDT            9.13           2847         -      Not Applicable
  04/22/2026 03 PM PDT            9.08           2800         -      Not Applicable
  04/22/2026 04 PM PDT            9.03           2754         -      Not Applicable
  04/22/2026 05 PM PDT            8.98           2709         -      Not Applicable
  04/22/2026 06 PM PDT            8.94           2673         -      Not Applicable
  04/22/2026 07 PM PDT            8.90           2638         -      Not Applicable
  04/22/2026 08 PM PDT            8.86           2603         -      Not Applicable
  04/22/2026 09 PM PDT            8.81           2560         -      Not Applicable
  04/22/2026 10 PM PDT            8.76           2517         -      Not Applicable
  04/22/2026 11 PM PDT            8.72           2483         -      Not Applicable
  04/23/2026 12 AM PDT            8.68           2449         -      Not Applicable
  04/23/2026 01 AM PDT            8.65           2424         -      Not Applicable
  04/23/2026 02 AM PDT            8.62           2399         -      Not Applicable
  04/23/2026 03 AM PDT            8.58           2367         -      Not Applicable
  04/23/2026 04 AM PDT            8.55           2342         -      Not Applicable
  04/23/2026 05 AM PDT            8.51           2310         -      Not Applicable
  04/23/2026 06 AM PDT            8.48           2286         -      Not Applicable
  04/23/2026 07 AM PDT            8.46           2270         -      Not Applicable
  04/23/2026 08 AM PDT            8.43           2247         -      Not Applicable
  04/23/2026 09 AM PDT            8.40           2223         -      Not Applicable
  04/23/2026 10 AM PDT            8.38           2207         -      Not Applicable
  04/23/2026 11 AM PDT            8.35           2184         -      Not Applicable
  04/23/2026 12 PM PDT            8.34           2177         -      Not Applicable
  04/23/2026 01 PM PDT            8.32           2161         -      Not Applicable
  04/23/2026 02 PM PDT            8.31           2154         -      Not Applicable
  04/23/2026 03 PM PDT            8.29           2138         -      Not Applicable
  04/23/2026 04 PM PDT            8.28           2131         -      Not Applicable
  04/23/2026 05 PM PDT            8.27           2123         -      Not Applicable
  04/23/2026 06 PM PDT            8.27           2123         0      Not Applicable
  04/23/2026 07 PM PDT            8.28           2131         +      Not Applicable
  04/23/2026 08 PM PDT            8.26           2115         -      Not Applicable
  04/23/2026 09 PM PDT            8.26           2115         0      Not Applicable
  04/23/2026 10 PM PDT            8.27           2123         +      Not Applicable
  04/23/2026 11 PM PDT            8.27           2123         0      Not Applicable
  04/24/2026 12 AM PDT            8.26           2115         -      Not Applicable
  04/24/2026 01 AM PDT            8.26           2115         0      Not Applicable
  04/24/2026 02 AM PDT            8.25           2108         -      Not Applicable
  04/24/2026 03 AM PDT            8.24           2100         -      Not Applicable
  04/24/2026 04 AM PDT            8.23           2093         -      Not Applicable
  04/24/2026 05 AM PDT            8.21           2078         -      Not Applicable
  04/24/2026 06 AM PDT            8.20           2070         -      Not Applicable
  04/24/2026 07 AM PDT            8.19           2063         -      Not Applicable
  04/24/2026 08 AM PDT            8.18           2055         -      Not Applicable
  04/24/2026 09 AM PDT            8.17           2048         -      Not Applicable
  04/24/2026 10 AM PDT            8.15           2033         -      Not Applicable
  04/24/2026 11 AM PDT            8.14           2026         -      Not Applicable
  04/24/2026 12 PM PDT            8.14           2026         0      Not Applicable
  04/24/2026 01 PM PDT            8.13           2019         -      Not Applicable
  04/24/2026 02 PM PDT            8.12           2011         -      Not Applicable
  04/24/2026 03 PM PDT            8.11           2004         -      Not Applicable
  04/24/2026 04 PM PDT            8.10           1997         -      Not Applicable
  04/24/2026 05 PM PDT            8.08           1982         -      Not Applicable
  04/24/2026 06 PM PDT            8.07           1975         -      Not Applicable
  04/24/2026 07 PM PDT            8.06           1968         -      Not Applicable
  04/24/2026 08 PM PDT            8.05           1961         -      Not Applicable
  04/24/2026 09 PM PDT            8.04           1954         -      Not Applicable
  04/24/2026 10 PM PDT            8.04           1954         0      Not Applicable
  04/24/2026 11 PM PDT            8.03           1946         -      Not Applicable
  04/25/2026 12 AM PDT            8.03           1946         0      Not Applicable
  04/25/2026 01 AM PDT            8.02           1939         -      Not Applicable
  04/25/2026 02 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 03 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 04 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 05 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 06 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 07 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 08 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 09 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 10 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 11 AM PDT            8.02           1939         0      Not Applicable
  04/25/2026 12 PM PDT            8.02           1939         0      Not Applicable
  04/25/2026 01 PM PDT            8.01           1932         -      Not Applicable
  04/25/2026 02 PM PDT            8.01           1932         0      Not Applicable
  04/25/2026 03 PM PDT            8.00           1925         -      Not Applicable
  04/25/2026 04 PM PDT            7.99           1918         -      Not Applicable
  04/25/2026 05 PM PDT            7.99           1918         0      Not Applicable
  04/25/2026 06 PM PDT            7.98           1911         -      Not Applicable
  04/25/2026 07 PM PDT            7.97           1904         -      Not Applicable
  04/25/2026 08 PM PDT            7.96           1897         -      Not Applicable
  04/25/2026 09 PM PDT            7.96           1897         0      Not Applicable
  04/25/2026 10 PM PDT            7.95           1890         -      Not Applicable
  04/25/2026 11 PM PDT            7.95           1890         0      Not Applicable
  04/26/2026 12 AM PDT            7.94           1883         -      Not Applicable
  04/26/2026 01 AM PDT            7.94           1883         0      Not Applicable
  04/26/2026 02 AM PDT            7.93           1876         -      Not Applicable
  04/26/2026 03 AM PDT            7.93           1876         0      Not Applicable
  04/26/2026 04 AM PDT            7.93           1876         0      Not Applicable
  04/26/2026 05 AM PDT            7.92           1869         -      Not Applicable
#
# 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.