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: May 19 2026 at 7:58 AM PDTNext Issuance: May 20 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:  05/19/2026 at 08:00 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/14/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       4.99 Feet
# Maximum Observed Flow:                        489 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/19/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       4.00 Feet
# Maximum Forecast Flow:                        263 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/14/2026 08 AM PDT            4.97            484                Not Applicable
  05/14/2026 09 AM PDT            4.97            484         0      Not Applicable
  05/14/2026 10 AM PDT            4.96            481         -      Not Applicable
  05/14/2026 11 AM PDT            4.97            484         +      Not Applicable
  05/14/2026 12 PM PDT            4.98            487         +      Not Applicable
  05/14/2026 01 PM PDT            4.97            484         -      Not Applicable
  05/14/2026 02 PM PDT            4.96            481         -      Not Applicable
  05/14/2026 03 PM PDT            4.98            487         +      Not Applicable
  05/14/2026 04 PM PDT            4.99            489         +      Not Applicable
  05/14/2026 05 PM PDT            4.97            484         -      Not Applicable
  05/14/2026 06 PM PDT            4.95            478         -      Not Applicable
  05/14/2026 07 PM PDT            4.95            478         0      Not Applicable
  05/14/2026 08 PM PDT            4.94            476         -      Not Applicable
  05/14/2026 09 PM PDT            4.93            473         -      Not Applicable
  05/14/2026 10 PM PDT            4.95            478         +      Not Applicable
  05/14/2026 11 PM PDT            4.92            470         -      Not Applicable
  05/15/2026 12 AM PDT            4.87            457         -      Not Applicable
  05/15/2026 01 AM PDT            4.80            439         -      Not Applicable
  05/15/2026 02 AM PDT            4.78            434         -      Not Applicable
  05/15/2026 03 AM PDT            4.74            424         -      Not Applicable
  05/15/2026 04 AM PDT            4.70            414         -      Not Applicable
  05/15/2026 05 AM PDT            4.68            409         -      Not Applicable
  05/15/2026 06 AM PDT            4.66            404         -      Not Applicable
  05/15/2026 07 AM PDT            4.66            404         0      Not Applicable
  05/15/2026 08 AM PDT            4.65            402         -      Not Applicable
  05/15/2026 09 AM PDT            4.65            402         0      Not Applicable
  05/15/2026 10 AM PDT            4.63            397         -      Not Applicable
  05/15/2026 11 AM PDT            4.63            397         0      Not Applicable
  05/15/2026 12 PM PDT            4.63            397         0      Not Applicable
  05/15/2026 01 PM PDT            4.64            399         +      Not Applicable
  05/15/2026 02 PM PDT            4.63            397         -      Not Applicable
  05/15/2026 03 PM PDT            4.62            395         -      Not Applicable
  05/15/2026 04 PM PDT            4.64            399         +      Not Applicable
  05/15/2026 05 PM PDT            4.63            397         -      Not Applicable
  05/15/2026 06 PM PDT            4.62            395         -      Not Applicable
  05/15/2026 07 PM PDT            4.63            397         +      Not Applicable
  05/15/2026 08 PM PDT            4.62            395         -      Not Applicable
  05/15/2026 09 PM PDT            4.59            388         -      Not Applicable
  05/15/2026 10 PM PDT            4.60            390         +      Not Applicable
  05/15/2026 11 PM PDT            4.57            383         -      Not Applicable
  05/16/2026 12 AM PDT            4.48            361         -      Not Applicable
  05/16/2026 01 AM PDT            4.40            342         -      Not Applicable
  05/16/2026 02 AM PDT            4.36            333         -      Not Applicable
  05/16/2026 03 AM PDT            4.33            326         -      Not Applicable
  05/16/2026 04 AM PDT            4.34            329         +      Not Applicable
  05/16/2026 05 AM PDT            4.34            329         0      Not Applicable
  05/16/2026 06 AM PDT            4.33            326         -      Not Applicable
  05/16/2026 07 AM PDT            4.33            326         0      Not Applicable
  05/16/2026 08 AM PDT            4.31            322         -      Not Applicable
  05/16/2026 09 AM PDT            4.33            326         +      Not Applicable
  05/16/2026 10 AM PDT            4.34            329         +      Not Applicable
  05/16/2026 11 AM PDT            4.32            324         -      Not Applicable
  05/16/2026 12 PM PDT            4.33            326         +      Not Applicable
  05/16/2026 01 PM PDT            4.32            324         -      Not Applicable
  05/16/2026 02 PM PDT            4.34            329         +      Not Applicable
  05/16/2026 03 PM PDT            4.34            329         0      Not Applicable
  05/16/2026 04 PM PDT            4.34            329         0      Not Applicable
  05/16/2026 05 PM PDT            4.33            326         -      Not Applicable
  05/16/2026 06 PM PDT            4.33            326         0      Not Applicable
  05/16/2026 07 PM PDT            4.32            324         -      Not Applicable
  05/16/2026 08 PM PDT            4.34            329         +      Not Applicable
  05/16/2026 09 PM PDT            4.32            324         -      Not Applicable
  05/16/2026 10 PM PDT            4.32            324         0      Not Applicable
  05/16/2026 11 PM PDT            4.31            322         -      Not Applicable
  05/17/2026 12 AM PDT            4.29            318         -      Not Applicable
  05/17/2026 01 AM PDT            4.29            318         0      Not Applicable
  05/17/2026 02 AM PDT            4.29            318         0      Not Applicable
  05/17/2026 03 AM PDT            4.29            318         0      Not Applicable
  05/17/2026 04 AM PDT            4.28            316         -      Not Applicable
  05/17/2026 05 AM PDT            4.30            320         +      Not Applicable
  05/17/2026 06 AM PDT            4.29            318         -      Not Applicable
  05/17/2026 07 AM PDT            4.29            318         0      Not Applicable
  05/17/2026 08 AM PDT            4.29            318         0      Not Applicable
  05/17/2026 09 AM PDT            4.28            316         -      Not Applicable
  05/17/2026 10 AM PDT            4.28            316         0      Not Applicable
  05/17/2026 11 AM PDT            4.30            320         +      Not Applicable
  05/17/2026 12 PM PDT            4.30            320         0      Not Applicable
  05/17/2026 01 PM PDT            4.30            320         0      Not Applicable
  05/17/2026 02 PM PDT            4.31            322         +      Not Applicable
  05/17/2026 03 PM PDT            4.32            324         +      Not Applicable
  05/17/2026 04 PM PDT            4.29            318         -      Not Applicable
  05/17/2026 05 PM PDT            4.31            322         +      Not Applicable
  05/17/2026 06 PM PDT            4.30            320         -      Not Applicable
  05/17/2026 07 PM PDT            4.29            318         -      Not Applicable
  05/17/2026 08 PM PDT            4.30            320         +      Not Applicable
  05/17/2026 09 PM PDT            4.27            314         -      Not Applicable
  05/17/2026 10 PM PDT            4.25            310         -      Not Applicable
  05/17/2026 11 PM PDT            4.26            312         +      Not Applicable
  05/18/2026 12 AM PDT            4.25            310         -      Not Applicable
  05/18/2026 01 AM PDT            4.27            314         +      Not Applicable
  05/18/2026 02 AM PDT            4.26            312         -      Not Applicable
  05/18/2026 03 AM PDT            4.25            310         -      Not Applicable
  05/18/2026 04 AM PDT            4.26            312         +      Not Applicable
  05/18/2026 05 AM PDT            4.29            318         +      Not Applicable
  05/18/2026 06 AM PDT            4.32            324         +      Not Applicable
  05/18/2026 07 AM PDT            4.34            329         +      Not Applicable
  05/18/2026 08 AM PDT            4.35            331         +      Not Applicable
  05/18/2026 09 AM PDT            4.33            326         -      Not Applicable
  05/18/2026 10 AM PDT            4.32            324         -      Not Applicable
  05/18/2026 11 AM PDT            4.34            329         +      Not Applicable
  05/18/2026 12 PM PDT            4.32            324         -      Not Applicable
  05/18/2026 01 PM PDT            4.34            329         +      Not Applicable
  05/18/2026 02 PM PDT            4.33            326         -      Not Applicable
  05/18/2026 03 PM PDT            4.32            324         -      Not Applicable
  05/18/2026 04 PM PDT            4.31            322         -      Not Applicable
  05/18/2026 05 PM PDT            4.31            322         0      Not Applicable
  05/18/2026 06 PM PDT            4.30            320         -      Not Applicable
  05/18/2026 07 PM PDT            4.28            316         -      Not Applicable
  05/18/2026 08 PM PDT            4.26            312         -      Not Applicable
  05/18/2026 09 PM PDT            4.29            318         +      Not Applicable
  05/18/2026 10 PM PDT            4.33            326         +      Not Applicable
  05/18/2026 11 PM PDT            4.32            324         -      Not Applicable
  05/19/2026 12 AM PDT            4.29            318         -      Not Applicable
  05/19/2026 01 AM PDT            4.26            312         -      Not Applicable
  05/19/2026 02 AM PDT            4.19            298         -      Not Applicable
  05/19/2026 03 AM PDT            4.12            285         -      Not Applicable
  05/19/2026 04 AM PDT            4.08            277         -      Not Applicable
  05/19/2026 05 AM PDT            4.04            270         -      Not Applicable
  05/19/2026 06 AM PDT            4.01            265         -      Not Applicable
  05/19/2026 07 AM PDT            4.00            263         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/19/2026 08 AM PDT            4.00            263                Not Applicable
  05/19/2026 09 AM PDT            4.00            263         0      Not Applicable
  05/19/2026 10 AM PDT            3.99            261         -      Not Applicable
  05/19/2026 11 AM PDT            4.00            263         +      Not Applicable
  05/19/2026 12 PM PDT            4.00            263         0      Not Applicable
  05/19/2026 01 PM PDT            3.99            261         -      Not Applicable
  05/19/2026 02 PM PDT            3.98            260         -      Not Applicable
  05/19/2026 03 PM PDT            3.98            260         0      Not Applicable
  05/19/2026 04 PM PDT            3.98            260         0      Not Applicable
  05/19/2026 05 PM PDT            3.98            260         0      Not Applicable
  05/19/2026 06 PM PDT            3.98            260         0      Not Applicable
  05/19/2026 07 PM PDT            3.98            260         0      Not Applicable
  05/19/2026 08 PM PDT            3.98            260         0      Not Applicable
  05/19/2026 09 PM PDT            3.97            258         -      Not Applicable
  05/19/2026 10 PM PDT            3.97            258         0      Not Applicable
  05/19/2026 11 PM PDT            3.97            258         0      Not Applicable
  05/20/2026 12 AM PDT            3.97            258         0      Not Applicable
  05/20/2026 01 AM PDT            3.97            258         0      Not Applicable
  05/20/2026 02 AM PDT            3.97            258         0      Not Applicable
  05/20/2026 03 AM PDT            3.96            256         -      Not Applicable
  05/20/2026 04 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 05 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 06 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 07 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 08 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 09 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 10 AM PDT            3.96            256         0      Not Applicable
  05/20/2026 11 AM PDT            3.95            254         -      Not Applicable
  05/20/2026 12 PM PDT            3.95            254         0      Not Applicable
  05/20/2026 01 PM PDT            3.95            254         0      Not Applicable
  05/20/2026 02 PM PDT            3.95            254         0      Not Applicable
  05/20/2026 03 PM PDT            3.95            254         0      Not Applicable
  05/20/2026 04 PM PDT            3.95            254         0      Not Applicable
  05/20/2026 05 PM PDT            3.94            253         -      Not Applicable
  05/20/2026 06 PM PDT            3.94            253         0      Not Applicable
  05/20/2026 07 PM PDT            3.94            253         0      Not Applicable
  05/20/2026 08 PM PDT            3.94            253         0      Not Applicable
  05/20/2026 09 PM PDT            3.94            253         0      Not Applicable
  05/20/2026 10 PM PDT            3.94            253         0      Not Applicable
  05/20/2026 11 PM PDT            3.94            253         0      Not Applicable
  05/21/2026 12 AM PDT            3.94            253         0      Not Applicable
  05/21/2026 01 AM PDT            3.93            251         -      Not Applicable
  05/21/2026 02 AM PDT            3.93            251         0      Not Applicable
  05/21/2026 03 AM PDT            3.93            251         0      Not Applicable
  05/21/2026 04 AM PDT            3.93            251         0      Not Applicable
  05/21/2026 05 AM PDT            3.93            251         0      Not Applicable
  05/21/2026 06 AM PDT            3.93            251         0      Not Applicable
  05/21/2026 07 AM PDT            3.93            251         0      Not Applicable
  05/21/2026 08 AM PDT            3.92            249         -      Not Applicable
  05/21/2026 09 AM PDT            3.92            249         0      Not Applicable
  05/21/2026 10 AM PDT            3.92            249         0      Not Applicable
  05/21/2026 11 AM PDT            3.92            249         0      Not Applicable
  05/21/2026 12 PM PDT            3.92            249         0      Not Applicable
  05/21/2026 01 PM PDT            3.92            249         0      Not Applicable
  05/21/2026 02 PM PDT            3.92            249         0      Not Applicable
  05/21/2026 03 PM PDT            3.92            249         0      Not Applicable
  05/21/2026 04 PM PDT            3.91            248         -      Not Applicable
  05/21/2026 05 PM PDT            3.91            248         0      Not Applicable
  05/21/2026 06 PM PDT            3.91            248         0      Not Applicable
  05/21/2026 07 PM PDT            3.91            248         0      Not Applicable
  05/21/2026 08 PM PDT            3.91            248         0      Not Applicable
  05/21/2026 09 PM PDT            3.91            248         0      Not Applicable
  05/21/2026 10 PM PDT            3.91            248         0      Not Applicable
  05/21/2026 11 PM PDT            3.90            246         -      Not Applicable
  05/22/2026 12 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 01 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 02 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 03 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 04 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 05 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 06 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 07 AM PDT            3.90            246         0      Not Applicable
  05/22/2026 08 AM PDT            3.89            244         -      Not Applicable
  05/22/2026 09 AM PDT            3.89            244         0      Not Applicable
  05/22/2026 10 AM PDT            3.89            244         0      Not Applicable
  05/22/2026 11 AM PDT            3.89            244         0      Not Applicable
  05/22/2026 12 PM PDT            3.89            244         0      Not Applicable
  05/22/2026 01 PM PDT            3.89            244         0      Not Applicable
  05/22/2026 02 PM PDT            3.89            244         0      Not Applicable
  05/22/2026 03 PM PDT            3.88            243         -      Not Applicable
  05/22/2026 04 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 05 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 06 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 07 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 08 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 09 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 10 PM PDT            3.88            243         0      Not Applicable
  05/22/2026 11 PM PDT            3.88            243         0      Not Applicable
  05/23/2026 12 AM PDT            3.87            241         -      Not Applicable
  05/23/2026 01 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 02 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 03 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 04 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 05 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 06 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 07 AM PDT            3.87            241         0      Not Applicable
  05/23/2026 08 AM PDT            3.86            240         -      Not Applicable
  05/23/2026 09 AM PDT            3.86            240         0      Not Applicable
  05/23/2026 10 AM PDT            3.86            240         0      Not Applicable
  05/23/2026 11 AM PDT            3.86            240         0      Not Applicable
  05/23/2026 12 PM PDT            3.86            240         0      Not Applicable
  05/23/2026 01 PM PDT            3.86            240         0      Not Applicable
  05/23/2026 02 PM PDT            3.86            240         0      Not Applicable
  05/23/2026 03 PM PDT            3.86            240         0      Not Applicable
  05/23/2026 04 PM PDT            3.85            238         -      Not Applicable
  05/23/2026 05 PM PDT            3.85            238         0      Not Applicable
  05/23/2026 06 PM PDT            3.85            238         0      Not Applicable
  05/23/2026 07 PM PDT            3.85            238         0      Not Applicable
  05/23/2026 08 PM PDT            3.85            238         0      Not Applicable
  05/23/2026 09 PM PDT            3.85            238         0      Not Applicable
  05/23/2026 10 PM PDT            3.85            238         0      Not Applicable
  05/23/2026 11 PM PDT            3.85            238         0      Not Applicable
  05/24/2026 12 AM PDT            3.85            238         0      Not Applicable
  05/24/2026 01 AM PDT            3.85            238         0      Not Applicable
  05/24/2026 02 AM PDT            3.84            236         -      Not Applicable
  05/24/2026 03 AM PDT            3.84            236         0      Not Applicable
  05/24/2026 04 AM PDT            3.84            236         0      Not Applicable
  05/24/2026 05 AM PDT            3.84            236         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.