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 28 2026 at 7:45 AM PDTNext Issuance: Apr 29 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:  04/28/2026 at 07:46 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/23/2026 at 10:00 AM PDT
# Maximum Observed Stage:                       8.29 Feet
# Maximum Observed Flow:                        2138 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/28/2026 at 12:00 PM PDT
# Maximum Forecast Stage:                       6.57 Feet
# Maximum Forecast Flow:                        1083 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/23/2026 07 AM PDT            8.26           2115                Not Applicable
  04/23/2026 08 AM PDT            8.29           2138         +      Not Applicable
  04/23/2026 09 AM PDT            8.29           2138         0      Not Applicable
  04/23/2026 10 AM PDT            8.29           2138         0      Not Applicable
  04/23/2026 11 AM PDT            8.22           2085         -      Not Applicable
  04/23/2026 12 PM PDT            8.22           2085         0      Not Applicable
  04/23/2026 01 PM PDT            8.20           2070         -      Not Applicable
  04/23/2026 02 PM PDT            8.21           2078         +      Not Applicable
  04/23/2026 03 PM PDT            8.20           2070         -      Not Applicable
  04/23/2026 04 PM PDT            8.14           2026         -      Not Applicable
  04/23/2026 05 PM PDT            8.12           2011         -      Not Applicable
  04/23/2026 06 PM PDT            8.15           2033         +      Not Applicable
  04/23/2026 07 PM PDT            8.10           1997         -      Not Applicable
  04/23/2026 08 PM PDT            8.01           1932         -      Not Applicable
  04/23/2026 09 PM PDT            7.98           1911         -      Not Applicable
  04/23/2026 10 PM PDT            7.84           1814         -      Not Applicable
  04/23/2026 11 PM PDT            7.66           1694         -      Not Applicable
  04/24/2026 12 AM PDT            7.65           1688         -      Not Applicable
  04/24/2026 01 AM PDT            7.60           1656         -      Not Applicable
  04/24/2026 02 AM PDT            7.60           1656         0      Not Applicable
  04/24/2026 03 AM PDT            7.61           1662         +      Not Applicable
  04/24/2026 04 AM PDT            7.64           1681         +      Not Applicable
  04/24/2026 05 AM PDT            7.63           1675         -      Not Applicable
  04/24/2026 06 AM PDT            7.66           1694         +      Not Applicable
  04/24/2026 07 AM PDT            7.67           1701         +      Not Applicable
  04/24/2026 08 AM PDT            7.68           1707         +      Not Applicable
  04/24/2026 09 AM PDT            7.66           1694         -      Not Applicable
  04/24/2026 10 AM PDT            7.71           1727         +      Not Applicable
  04/24/2026 11 AM PDT            7.70           1720         -      Not Applicable
  04/24/2026 12 PM PDT            7.71           1727         +      Not Applicable
  04/24/2026 01 PM PDT            7.73           1740         +      Not Applicable
  04/24/2026 02 PM PDT            7.74           1747         +      Not Applicable
  04/24/2026 03 PM PDT            7.72           1733         -      Not Applicable
  04/24/2026 04 PM PDT            7.74           1747         +      Not Applicable
  04/24/2026 05 PM PDT            7.73           1740         -      Not Applicable
  04/24/2026 06 PM PDT            7.77           1767         +      Not Applicable
  04/24/2026 07 PM PDT            7.71           1727         -      Not Applicable
  04/24/2026 08 PM PDT            7.70           1720         -      Not Applicable
  04/24/2026 09 PM PDT            7.68           1707         -      Not Applicable
  04/24/2026 10 PM PDT            7.66           1694         -      Not Applicable
  04/24/2026 11 PM PDT            7.62           1669         -      Not Applicable
  04/25/2026 12 AM PDT            7.60           1656         -      Not Applicable
  04/25/2026 01 AM PDT            7.65           1688         +      Not Applicable
  04/25/2026 02 AM PDT            7.61           1662         -      Not Applicable
  04/25/2026 03 AM PDT            7.69           1714         +      Not Applicable
  04/25/2026 04 AM PDT            7.64           1681         -      Not Applicable
  04/25/2026 05 AM PDT            7.68           1707         +      Not Applicable
  04/25/2026 06 AM PDT            7.71           1727         +      Not Applicable
  04/25/2026 07 AM PDT            7.68           1707         -      Not Applicable
  04/25/2026 08 AM PDT            7.75           1753         +      Not Applicable
  04/25/2026 09 AM PDT            7.77           1767         +      Not Applicable
  04/25/2026 10 AM PDT            7.75           1753         -      Not Applicable
  04/25/2026 11 AM PDT            7.81           1794         +      Not Applicable
  04/25/2026 12 PM PDT            7.80           1787         -      Not Applicable
  04/25/2026 01 PM PDT            7.83           1807         +      Not Applicable
  04/25/2026 02 PM PDT            7.85           1821         +      Not Applicable
  04/25/2026 03 PM PDT            7.89           1848         +      Not Applicable
  04/25/2026 04 PM PDT            7.86           1828         -      Not Applicable
  04/25/2026 05 PM PDT            7.86           1828         0      Not Applicable
  04/25/2026 06 PM PDT            7.85           1821         -      Not Applicable
  04/25/2026 07 PM PDT            7.83           1807         -      Not Applicable
  04/25/2026 08 PM PDT            7.85           1821         +      Not Applicable
  04/25/2026 09 PM PDT            7.83           1807         -      Not Applicable
  04/25/2026 10 PM PDT            7.85           1821         +      Not Applicable
  04/25/2026 11 PM PDT            7.86           1828         +      Not Applicable
  04/26/2026 12 AM PDT            7.85           1821         -      Not Applicable
  04/26/2026 01 AM PDT            7.88           1841         +      Not Applicable
  04/26/2026 02 AM PDT            7.82           1800         -      Not Applicable
  04/26/2026 03 AM PDT            7.84           1814         +      Not Applicable
  04/26/2026 04 AM PDT            7.82           1800         -      Not Applicable
  04/26/2026 05 AM PDT            7.86           1828         +      Not Applicable
  04/26/2026 06 AM PDT            7.82           1800         -      Not Applicable
  04/26/2026 07 AM PDT            7.80           1787         -      Not Applicable
  04/26/2026 08 AM PDT            7.80           1787         0      Not Applicable
  04/26/2026 09 AM PDT            7.90           1855         +      Not Applicable
  04/26/2026 10 AM PDT            7.81           1794         -      Not Applicable
  04/26/2026 11 AM PDT            7.86           1828         +      Not Applicable
  04/26/2026 12 PM PDT            7.86           1828         0      Not Applicable
  04/26/2026 01 PM PDT            7.87           1834         +      Not Applicable
  04/26/2026 02 PM PDT            7.88           1841         +      Not Applicable
  04/26/2026 03 PM PDT            7.90           1855         +      Not Applicable
  04/26/2026 04 PM PDT            7.85           1821         -      Not Applicable
  04/26/2026 05 PM PDT            7.73           1740         -      Not Applicable
  04/26/2026 06 PM PDT            7.74           1747         +      Not Applicable
  04/26/2026 07 PM PDT            7.62           1669         -      Not Applicable
  04/26/2026 08 PM PDT            7.50           1592         -      Not Applicable
  04/26/2026 09 PM PDT            7.39           1525         -      Not Applicable
  04/26/2026 10 PM PDT            7.34           1495         -      Not Applicable
  04/26/2026 11 PM PDT            7.34           1495         0      Not Applicable
  04/27/2026 12 AM PDT            7.32           1483         -      Not Applicable
  04/27/2026 01 AM PDT            7.28           1459         -      Not Applicable
  04/27/2026 02 AM PDT            7.20           1413         -      Not Applicable
  04/27/2026 03 AM PDT            7.20           1413         0      Not Applicable
  04/27/2026 04 AM PDT            7.18           1402         -      Not Applicable
  04/27/2026 05 AM PDT            7.19           1407         +      Not Applicable
  04/27/2026 06 AM PDT            7.17           1396         -      Not Applicable
  04/27/2026 07 AM PDT            7.19           1407         +      Not Applicable
  04/27/2026 08 AM PDT            7.09           1351         -      Not Applicable
  04/27/2026 09 AM PDT            7.04           1324         -      Not Applicable
  04/27/2026 10 AM PDT            7.07           1340         +      Not Applicable
  04/27/2026 11 AM PDT            7.07           1340         0      Not Applicable
  04/27/2026 12 PM PDT            7.05           1329         -      Not Applicable
  04/27/2026 01 PM PDT            7.05           1329         0      Not Applicable
  04/27/2026 02 PM PDT            7.04           1324         -      Not Applicable
  04/27/2026 03 PM PDT            7.01           1307         -      Not Applicable
  04/27/2026 04 PM PDT            6.97           1286         -      Not Applicable
  04/27/2026 05 PM PDT            6.90           1248         -      Not Applicable
  04/27/2026 06 PM PDT            6.81           1201         -      Not Applicable
  04/27/2026 07 PM PDT            6.80           1196         -      Not Applicable
  04/27/2026 08 PM PDT            6.71           1151         -      Not Applicable
  04/27/2026 09 PM PDT            6.63           1112         -      Not Applicable
  04/27/2026 10 PM PDT            6.61           1102         -      Not Applicable
  04/27/2026 11 PM PDT            6.59           1092         -      Not Applicable
  04/28/2026 12 AM PDT            6.63           1112         +      Not Applicable
  04/28/2026 01 AM PDT            6.60           1097         -      Not Applicable
  04/28/2026 02 AM PDT            6.60           1097         0      Not Applicable
  04/28/2026 03 AM PDT            6.57           1083         -      Not Applicable
  04/28/2026 04 AM PDT            6.57           1083         0      Not Applicable
  04/28/2026 05 AM PDT            6.55           1073         -      Not Applicable
  04/28/2026 06 AM PDT            6.58           1087         +      Not Applicable
  04/28/2026 07 AM PDT            6.57           1083         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/28/2026 08 AM PDT            6.56           1078                Not Applicable
  04/28/2026 09 AM PDT            6.56           1078         0      Not Applicable
  04/28/2026 10 AM PDT            6.56           1078         0      Not Applicable
  04/28/2026 11 AM PDT            6.56           1078         0      Not Applicable
  04/28/2026 12 PM PDT            6.57           1083         +      Not Applicable
  04/28/2026 01 PM PDT            6.57           1083         0      Not Applicable
  04/28/2026 02 PM PDT            6.56           1078         -      Not Applicable
  04/28/2026 03 PM PDT            6.56           1078         0      Not Applicable
  04/28/2026 04 PM PDT            6.56           1078         0      Not Applicable
  04/28/2026 05 PM PDT            6.55           1073         -      Not Applicable
  04/28/2026 06 PM PDT            6.55           1073         0      Not Applicable
  04/28/2026 07 PM PDT            6.55           1073         0      Not Applicable
  04/28/2026 08 PM PDT            6.54           1069         -      Not Applicable
  04/28/2026 09 PM PDT            6.54           1069         0      Not Applicable
  04/28/2026 10 PM PDT            6.54           1069         0      Not Applicable
  04/28/2026 11 PM PDT            6.53           1064         -      Not Applicable
  04/29/2026 12 AM PDT            6.53           1064         0      Not Applicable
  04/29/2026 01 AM PDT            6.52           1059         -      Not Applicable
  04/29/2026 02 AM PDT            6.52           1059         0      Not Applicable
  04/29/2026 03 AM PDT            6.52           1059         0      Not Applicable
  04/29/2026 04 AM PDT            6.51           1055         -      Not Applicable
  04/29/2026 05 AM PDT            6.51           1055         0      Not Applicable
  04/29/2026 06 AM PDT            6.50           1050         -      Not Applicable
  04/29/2026 07 AM PDT            6.50           1050         0      Not Applicable
  04/29/2026 08 AM PDT            6.50           1050         0      Not Applicable
  04/29/2026 09 AM PDT            6.50           1050         0      Not Applicable
  04/29/2026 10 AM PDT            6.49           1045         -      Not Applicable
  04/29/2026 11 AM PDT            6.49           1045         0      Not Applicable
  04/29/2026 12 PM PDT            6.49           1045         0      Not Applicable
  04/29/2026 01 PM PDT            6.48           1041         -      Not Applicable
  04/29/2026 02 PM PDT            6.48           1041         0      Not Applicable
  04/29/2026 03 PM PDT            6.48           1041         0      Not Applicable
  04/29/2026 04 PM PDT            6.47           1036         -      Not Applicable
  04/29/2026 05 PM PDT            6.47           1036         0      Not Applicable
  04/29/2026 06 PM PDT            6.47           1036         0      Not Applicable
  04/29/2026 07 PM PDT            6.46           1031         -      Not Applicable
  04/29/2026 08 PM PDT            6.46           1031         0      Not Applicable
  04/29/2026 09 PM PDT            6.46           1031         0      Not Applicable
  04/29/2026 10 PM PDT            6.45           1027         -      Not Applicable
  04/29/2026 11 PM PDT            6.45           1027         0      Not Applicable
  04/30/2026 12 AM PDT            6.45           1027         0      Not Applicable
  04/30/2026 01 AM PDT            6.44           1022         -      Not Applicable
  04/30/2026 02 AM PDT            6.44           1022         0      Not Applicable
  04/30/2026 03 AM PDT            6.44           1022         0      Not Applicable
  04/30/2026 04 AM PDT            6.43           1018         -      Not Applicable
  04/30/2026 05 AM PDT            6.43           1018         0      Not Applicable
  04/30/2026 06 AM PDT            6.43           1018         0      Not Applicable
  04/30/2026 07 AM PDT            6.42           1013         -      Not Applicable
  04/30/2026 08 AM PDT            6.42           1013         0      Not Applicable
  04/30/2026 09 AM PDT            6.42           1013         0      Not Applicable
  04/30/2026 10 AM PDT            6.42           1013         0      Not Applicable
  04/30/2026 11 AM PDT            6.41           1009         -      Not Applicable
  04/30/2026 12 PM PDT            6.41           1009         0      Not Applicable
  04/30/2026 01 PM PDT            6.41           1009         0      Not Applicable
  04/30/2026 02 PM PDT            6.40           1004         -      Not Applicable
  04/30/2026 03 PM PDT            6.40           1004         0      Not Applicable
  04/30/2026 04 PM PDT            6.40           1004         0      Not Applicable
  04/30/2026 05 PM PDT            6.39            999         -      Not Applicable
  04/30/2026 06 PM PDT            6.39            999         0      Not Applicable
  04/30/2026 07 PM PDT            6.39            999         0      Not Applicable
  04/30/2026 08 PM PDT            6.39            999         0      Not Applicable
  04/30/2026 09 PM PDT            6.38            995         -      Not Applicable
  04/30/2026 10 PM PDT            6.38            995         0      Not Applicable
  04/30/2026 11 PM PDT            6.38            995         0      Not Applicable
  05/01/2026 12 AM PDT            6.38            995         0      Not Applicable
  05/01/2026 01 AM PDT            6.37            990         -      Not Applicable
  05/01/2026 02 AM PDT            6.37            990         0      Not Applicable
  05/01/2026 03 AM PDT            6.37            990         0      Not Applicable
  05/01/2026 04 AM PDT            6.36            986         -      Not Applicable
  05/01/2026 05 AM PDT            6.36            986         0      Not Applicable
  05/01/2026 06 AM PDT            6.36            986         0      Not Applicable
  05/01/2026 07 AM PDT            6.35            981         -      Not Applicable
  05/01/2026 08 AM PDT            6.35            981         0      Not Applicable
  05/01/2026 09 AM PDT            6.35            981         0      Not Applicable
  05/01/2026 10 AM PDT            6.35            981         0      Not Applicable
  05/01/2026 11 AM PDT            6.34            977         -      Not Applicable
  05/01/2026 12 PM PDT            6.34            977         0      Not Applicable
  05/01/2026 01 PM PDT            6.34            977         0      Not Applicable
  05/01/2026 02 PM PDT            6.33            972         -      Not Applicable
  05/01/2026 03 PM PDT            6.33            972         0      Not Applicable
  05/01/2026 04 PM PDT            6.33            972         0      Not Applicable
  05/01/2026 05 PM PDT            6.33            972         0      Not Applicable
  05/01/2026 06 PM PDT            6.32            968         -      Not Applicable
  05/01/2026 07 PM PDT            6.32            968         0      Not Applicable
  05/01/2026 08 PM PDT            6.32            968         0      Not Applicable
  05/01/2026 09 PM PDT            6.32            968         0      Not Applicable
  05/01/2026 10 PM PDT            6.31            963         -      Not Applicable
  05/01/2026 11 PM PDT            6.31            963         0      Not Applicable
  05/02/2026 12 AM PDT            6.31            963         0      Not Applicable
  05/02/2026 01 AM PDT            6.30            959         -      Not Applicable
  05/02/2026 02 AM PDT            6.30            959         0      Not Applicable
  05/02/2026 03 AM PDT            6.30            959         0      Not Applicable
  05/02/2026 04 AM PDT            6.29            955         -      Not Applicable
  05/02/2026 05 AM PDT            6.29            955         0      Not Applicable
  05/02/2026 06 AM PDT            6.29            955         0      Not Applicable
  05/02/2026 07 AM PDT            6.29            955         0      Not Applicable
  05/02/2026 08 AM PDT            6.28            950         -      Not Applicable
  05/02/2026 09 AM PDT            6.28            950         0      Not Applicable
  05/02/2026 10 AM PDT            6.28            950         0      Not Applicable
  05/02/2026 11 AM PDT            6.28            950         0      Not Applicable
  05/02/2026 12 PM PDT            6.27            946         -      Not Applicable
  05/02/2026 01 PM PDT            6.27            946         0      Not Applicable
  05/02/2026 02 PM PDT            6.27            946         0      Not Applicable
  05/02/2026 03 PM PDT            6.26            942         -      Not Applicable
  05/02/2026 04 PM PDT            6.26            942         0      Not Applicable
  05/02/2026 05 PM PDT            6.26            942         0      Not Applicable
  05/02/2026 06 PM PDT            6.26            942         0      Not Applicable
  05/02/2026 07 PM PDT            6.25            937         -      Not Applicable
  05/02/2026 08 PM PDT            6.25            937         0      Not Applicable
  05/02/2026 09 PM PDT            6.25            937         0      Not Applicable
  05/02/2026 10 PM PDT            6.25            937         0      Not Applicable
  05/02/2026 11 PM PDT            6.24            933         -      Not Applicable
  05/03/2026 12 AM PDT            6.24            933         0      Not Applicable
  05/03/2026 01 AM PDT            6.24            933         0      Not Applicable
  05/03/2026 02 AM PDT            6.24            933         0      Not Applicable
  05/03/2026 03 AM PDT            6.23            929         -      Not Applicable
  05/03/2026 04 AM PDT            6.23            929         0      Not Applicable
  05/03/2026 05 AM PDT            6.23            929         0      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.