SOUTH FORK YUBA RIVER - JONES BAR (JNSC1)
Latitude: 39.29º NLongitude: 121.10º WElevation: 1060 Feet
Location: Nevada County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Dec 27 2025 at 9:53 AM PSTNext Issuance: Dec 28 2025 at 9:00 AM PST
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:  12/27/2025 at 09:56 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 09:00 AM PST
# Maximum Observed Stage:                       10.56 Feet
# Maximum Observed Flow:                        4397 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/27/2025 at 10:00 AM PST
# Maximum Forecast Stage:                       6.94 Feet
# Maximum Forecast Flow:                        1269 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/22/2025 09 AM PST           10.56           4397                Not Applicable
  12/22/2025 10 AM PST           10.42           4224         -      Not Applicable
  12/22/2025 11 AM PST           10.12           3870         -      Not Applicable
  12/22/2025 12 PM PST            9.83           3547         -      Not Applicable
  12/22/2025 01 PM PST            9.64           3346         -      Not Applicable
  12/22/2025 02 PM PST            9.41           3114         -      Not Applicable
  12/22/2025 03 PM PST            9.27           2978         -      Not Applicable
  12/22/2025 04 PM PST            9.09           2810         -      Not Applicable
  12/22/2025 05 PM PST            8.91           2647         -      Not Applicable
  12/22/2025 06 PM PST            8.89           2629         -      Not Applicable
  12/22/2025 07 PM PST            8.86           2603         -      Not Applicable
  12/22/2025 08 PM PST            8.85           2594         -      Not Applicable
  12/22/2025 09 PM PST            8.73           2491         -      Not Applicable
  12/22/2025 10 PM PST            8.57           2359         -      Not Applicable
  12/22/2025 11 PM PST            8.36           2192         -      Not Applicable
  12/23/2025 12 AM PST            8.31           2154         -      Not Applicable
  12/23/2025 01 AM PST            8.19           2063         -      Not Applicable
  12/23/2025 02 AM PST            8.05           1961         -      Not Applicable
  12/23/2025 03 AM PST            7.91           1862         -      Not Applicable
  12/23/2025 04 AM PST            7.74           1747         -      Not Applicable
  12/23/2025 05 AM PST            7.58           1643         -      Not Applicable
  12/23/2025 06 AM PST            7.46           1567         -      Not Applicable
  12/23/2025 07 AM PST            7.37           1513         -      Not Applicable
  12/23/2025 08 AM PST            7.20           1413         -      Not Applicable
  12/23/2025 09 AM PST            7.12           1368         -      Not Applicable
  12/23/2025 10 AM PST            6.99           1297         -      Not Applicable
  12/23/2025 11 AM PST            6.89           1243         -      Not Applicable
  12/23/2025 12 PM PST            6.85           1222         -      Not Applicable
  12/23/2025 01 PM PST            6.73           1161         -      Not Applicable
  12/23/2025 02 PM PST            6.63           1112         -      Not Applicable
  12/23/2025 03 PM PST            6.56           1078         -      Not Applicable
  12/23/2025 04 PM PST            6.43           1018         -      Not Applicable
  12/23/2025 05 PM PST            6.42           1013         -      Not Applicable
  12/23/2025 06 PM PST            6.34            977         -      Not Applicable
  12/23/2025 07 PM PST            6.25            937         -      Not Applicable
  12/23/2025 08 PM PST            6.14            891         -      Not Applicable
  12/23/2025 09 PM PST            6.06            857         -      Not Applicable
  12/23/2025 10 PM PST            5.97            821         -      Not Applicable
  12/23/2025 11 PM PST            5.98            825         +      Not Applicable
  12/24/2025 12 AM PST            5.96            817         -      Not Applicable
  12/24/2025 01 AM PST            5.95            813         -      Not Applicable
  12/24/2025 02 AM PST            5.94            809         -      Not Applicable
  12/24/2025 03 AM PST            5.99            829         +      Not Applicable
  12/24/2025 04 AM PST            6.11            878         +      Not Applicable
  12/24/2025 05 AM PST            6.13            886         +      Not Applicable
  12/24/2025 06 AM PST            6.28            950         +      Not Applicable
  12/24/2025 07 AM PST            6.95           1275         +      Not Applicable
  12/24/2025 08 AM PST            7.08           1346         +      Not Applicable
  12/24/2025 09 AM PST            7.32           1483         +      Not Applicable
  12/24/2025 10 AM PST            7.58           1643         +      Not Applicable
  12/24/2025 11 AM PST            7.80           1787         +      Not Applicable
  12/24/2025 12 PM PST            8.08           1982         +      Not Applicable
  12/24/2025 01 PM PST            8.56           2350         +      Not Applicable
  12/24/2025 02 PM PST            9.04           2764         +      Not Applicable
  12/24/2025 03 PM PST            9.36           3065         +      Not Applicable
  12/24/2025 04 PM PST            9.48           3184         +      Not Applicable
  12/24/2025 05 PM PST            9.37           3075         -      Not Applicable
  12/24/2025 06 PM PST            9.17           2884         -      Not Applicable
  12/24/2025 07 PM PST            8.91           2647         -      Not Applicable
  12/24/2025 08 PM PST            8.67           2441         -      Not Applicable
  12/24/2025 09 PM PST            8.56           2350         -      Not Applicable
  12/24/2025 10 PM PST            8.43           2247         -      Not Applicable
  12/24/2025 11 PM PST            8.28           2131         -      Not Applicable
  12/25/2025 12 AM PST            8.15           2033         -      Not Applicable
  12/25/2025 01 AM PST            8.02           1939         -      Not Applicable
  12/25/2025 02 AM PST            7.86           1828         -      Not Applicable
  12/25/2025 03 AM PST            7.80           1787         -      Not Applicable
  12/25/2025 04 AM PST            7.73           1740         -      Not Applicable
  12/25/2025 05 AM PST            7.69           1714         -      Not Applicable
  12/25/2025 06 AM PST            7.66           1694         -      Not Applicable
  12/25/2025 07 AM PST            7.80           1787         +      Not Applicable
  12/25/2025 08 AM PST            8.06           1968         +      Not Applicable
  12/25/2025 09 AM PST            8.27           2123         +      Not Applicable
  12/25/2025 10 AM PST            8.38           2207         +      Not Applicable
  12/25/2025 11 AM PST            8.53           2326         +      Not Applicable
  12/25/2025 12 PM PST            8.87           2612         +      Not Applicable
  12/25/2025 01 PM PST            9.20           2912         +      Not Applicable
  12/25/2025 02 PM PST            9.42           3124         +      Not Applicable
  12/25/2025 03 PM PST            9.47           3174         +      Not Applicable
  12/25/2025 04 PM PST            9.29           2997         -      Not Applicable
  12/25/2025 05 PM PST            9.22           2931         -      Not Applicable
  12/25/2025 06 PM PST            9.22           2931         0      Not Applicable
  12/25/2025 07 PM PST            9.39           3094         +      Not Applicable
  12/25/2025 08 PM PST            9.43           3134         +      Not Applicable
  12/25/2025 09 PM PST            9.60           3305         +      Not Applicable
  12/25/2025 10 PM PST            9.74           3451         +      Not Applicable
  12/25/2025 11 PM PST            9.81           3526         +      Not Applicable
  12/26/2025 12 AM PST            9.85           3569         +      Not Applicable
  12/26/2025 01 AM PST            9.78           3494         -      Not Applicable
  12/26/2025 02 AM PST            9.73           3441         -      Not Applicable
  12/26/2025 03 AM PST            9.74           3451         +      Not Applicable
  12/26/2025 04 AM PST            9.78           3494         +      Not Applicable
  12/26/2025 05 AM PST            9.70           3409         -      Not Applicable
  12/26/2025 06 AM PST            9.63           3336         -      Not Applicable
  12/26/2025 07 AM PST            9.51           3214         -      Not Applicable
  12/26/2025 08 AM PST            9.32           3026         -      Not Applicable
  12/26/2025 09 AM PST            9.18           2893         -      Not Applicable
  12/26/2025 10 AM PST            8.94           2673         -      Not Applicable
  12/26/2025 11 AM PST            8.74           2500         -      Not Applicable
  12/26/2025 12 PM PST            8.55           2342         -      Not Applicable
  12/26/2025 01 PM PST            8.37           2200         -      Not Applicable
  12/26/2025 02 PM PST            8.26           2115         -      Not Applicable
  12/26/2025 03 PM PST            8.13           2019         -      Not Applicable
  12/26/2025 04 PM PST            8.01           1932         -      Not Applicable
  12/26/2025 05 PM PST            7.90           1855         -      Not Applicable
  12/26/2025 06 PM PST            7.83           1807         -      Not Applicable
  12/26/2025 07 PM PST            7.75           1753         -      Not Applicable
  12/26/2025 08 PM PST            7.74           1747         -      Not Applicable
  12/26/2025 09 PM PST            7.66           1694         -      Not Applicable
  12/26/2025 10 PM PST            7.53           1611         -      Not Applicable
  12/26/2025 11 PM PST            7.47           1574         -      Not Applicable
  12/27/2025 12 AM PST            7.43           1549         -      Not Applicable
  12/27/2025 01 AM PST            7.39           1525         -      Not Applicable
  12/27/2025 02 AM PST            7.33           1489         -      Not Applicable
  12/27/2025 03 AM PST            7.24           1436         -      Not Applicable
  12/27/2025 04 AM PST            7.20           1413         -      Not Applicable
  12/27/2025 05 AM PST            7.12           1368         -      Not Applicable
  12/27/2025 06 AM PST            7.07           1340         -      Not Applicable
  12/27/2025 07 AM PST            7.04           1324         -      Not Applicable
  12/27/2025 08 AM PST            7.00           1302         -      Not Applicable
  12/27/2025 09 AM PST            6.97           1286         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/27/2025 10 AM PST            6.94           1269                Not Applicable
  12/27/2025 11 AM PST            6.91           1253         -      Not Applicable
  12/27/2025 12 PM PST            6.87           1232         -      Not Applicable
  12/27/2025 01 PM PST            6.84           1217         -      Not Applicable
  12/27/2025 02 PM PST            6.80           1196         -      Not Applicable
  12/27/2025 03 PM PST            6.77           1181         -      Not Applicable
  12/27/2025 04 PM PST            6.73           1161         -      Not Applicable
  12/27/2025 05 PM PST            6.70           1146         -      Not Applicable
  12/27/2025 06 PM PST            6.66           1126         -      Not Applicable
  12/27/2025 07 PM PST            6.62           1107         -      Not Applicable
  12/27/2025 08 PM PST            6.59           1092         -      Not Applicable
  12/27/2025 09 PM PST            6.55           1073         -      Not Applicable
  12/27/2025 10 PM PST            6.51           1055         -      Not Applicable
  12/27/2025 11 PM PST            6.47           1036         -      Not Applicable
  12/28/2025 12 AM PST            6.44           1022         -      Not Applicable
  12/28/2025 01 AM PST            6.42           1013         -      Not Applicable
  12/28/2025 02 AM PST            6.40           1004         -      Not Applicable
  12/28/2025 03 AM PST            6.38            995         -      Not Applicable
  12/28/2025 04 AM PST            6.37            990         -      Not Applicable
  12/28/2025 05 AM PST            6.35            981         -      Not Applicable
  12/28/2025 06 AM PST            6.33            972         -      Not Applicable
  12/28/2025 07 AM PST            6.31            963         -      Not Applicable
  12/28/2025 08 AM PST            6.30            959         -      Not Applicable
  12/28/2025 09 AM PST            6.28            950         -      Not Applicable
  12/28/2025 10 AM PST            6.26            942         -      Not Applicable
  12/28/2025 11 AM PST            6.24            933         -      Not Applicable
  12/28/2025 12 PM PST            6.22            924         -      Not Applicable
  12/28/2025 01 PM PST            6.21            920         -      Not Applicable
  12/28/2025 02 PM PST            6.19            912         -      Not Applicable
  12/28/2025 03 PM PST            6.17            903         -      Not Applicable
  12/28/2025 04 PM PST            6.15            895         -      Not Applicable
  12/28/2025 05 PM PST            6.13            886         -      Not Applicable
  12/28/2025 06 PM PST            6.11            878         -      Not Applicable
  12/28/2025 07 PM PST            6.09            870         -      Not Applicable
  12/28/2025 08 PM PST            6.08            866         -      Not Applicable
  12/28/2025 09 PM PST            6.06            857         -      Not Applicable
  12/28/2025 10 PM PST            6.04            849         -      Not Applicable
  12/28/2025 11 PM PST            6.02            841         -      Not Applicable
  12/29/2025 12 AM PST            6.00            833         -      Not Applicable
  12/29/2025 01 AM PST            5.98            825         -      Not Applicable
  12/29/2025 02 AM PST            5.96            817         -      Not Applicable
  12/29/2025 03 AM PST            5.94            809         -      Not Applicable
  12/29/2025 04 AM PST            5.92            802         -      Not Applicable
  12/29/2025 05 AM PST            5.89            790         -      Not Applicable
  12/29/2025 06 AM PST            5.91            798         +      Not Applicable
  12/29/2025 07 AM PST            5.91            798         0      Not Applicable
  12/29/2025 08 AM PST            5.91            798         0      Not Applicable
  12/29/2025 09 AM PST            5.91            798         0      Not Applicable
  12/29/2025 10 AM PST            5.90            794         -      Not Applicable
  12/29/2025 11 AM PST            5.91            798         +      Not Applicable
  12/29/2025 12 PM PST            5.91            798         0      Not Applicable
  12/29/2025 01 PM PST            5.91            798         0      Not Applicable
  12/29/2025 02 PM PST            5.92            802         +      Not Applicable
  12/29/2025 03 PM PST            5.92            802         0      Not Applicable
  12/29/2025 04 PM PST            5.92            802         0      Not Applicable
  12/29/2025 05 PM PST            5.93            806         +      Not Applicable
  12/29/2025 06 PM PST            5.93            806         0      Not Applicable
  12/29/2025 07 PM PST            5.94            809         +      Not Applicable
  12/29/2025 08 PM PST            5.95            813         +      Not Applicable
  12/29/2025 09 PM PST            5.96            817         +      Not Applicable
  12/29/2025 10 PM PST            5.96            817         0      Not Applicable
  12/29/2025 11 PM PST            5.97            821         +      Not Applicable
  12/30/2025 12 AM PST            5.98            825         +      Not Applicable
  12/30/2025 01 AM PST            5.99            829         +      Not Applicable
  12/30/2025 02 AM PST            6.00            833         +      Not Applicable
  12/30/2025 03 AM PST            6.01            837         +      Not Applicable
  12/30/2025 04 AM PST            6.01            837         0      Not Applicable
  12/30/2025 05 AM PST            6.01            837         0      Not Applicable
  12/30/2025 06 AM PST            6.01            837         0      Not Applicable
  12/30/2025 07 AM PST            6.01            837         0      Not Applicable
  12/30/2025 08 AM PST            6.01            837         0      Not Applicable
  12/30/2025 09 AM PST            6.01            837         0      Not Applicable
  12/30/2025 10 AM PST            6.02            841         +      Not Applicable
  12/30/2025 11 AM PST            6.02            841         0      Not Applicable
  12/30/2025 12 PM PST            6.02            841         0      Not Applicable
  12/30/2025 01 PM PST            6.02            841         0      Not Applicable
  12/30/2025 02 PM PST            6.02            841         0      Not Applicable
  12/30/2025 03 PM PST            6.02            841         0      Not Applicable
  12/30/2025 04 PM PST            6.01            837         -      Not Applicable
  12/30/2025 05 PM PST            6.01            837         0      Not Applicable
  12/30/2025 06 PM PST            6.00            833         -      Not Applicable
  12/30/2025 07 PM PST            6.00            833         0      Not Applicable
  12/30/2025 08 PM PST            5.99            829         -      Not Applicable
  12/30/2025 09 PM PST            5.98            825         -      Not Applicable
  12/30/2025 10 PM PST            5.97            821         -      Not Applicable
  12/30/2025 11 PM PST            5.96            817         -      Not Applicable
  12/31/2025 12 AM PST            5.95            813         -      Not Applicable
  12/31/2025 01 AM PST            5.94            809         -      Not Applicable
  12/31/2025 02 AM PST            5.93            806         -      Not Applicable
  12/31/2025 03 AM PST            5.92            802         -      Not Applicable
  12/31/2025 04 AM PST            5.91            798         -      Not Applicable
  12/31/2025 05 AM PST            5.90            794         -      Not Applicable
  12/31/2025 06 AM PST            5.88            786         -      Not Applicable
  12/31/2025 07 AM PST            5.87            782         -      Not Applicable
  12/31/2025 08 AM PST            5.86            779         -      Not Applicable
  12/31/2025 09 AM PST            5.84            771         -      Not Applicable
  12/31/2025 10 AM PST            5.83            767         -      Not Applicable
  12/31/2025 11 AM PST            5.82            764         -      Not Applicable
  12/31/2025 12 PM PST            5.80            756         -      Not Applicable
  12/31/2025 01 PM PST            5.79            752         -      Not Applicable
  12/31/2025 02 PM PST            5.77            745         -      Not Applicable
  12/31/2025 03 PM PST            5.76            741         -      Not Applicable
  12/31/2025 04 PM PST            5.74            734         -      Not Applicable
  12/31/2025 05 PM PST            5.73            731         -      Not Applicable
  12/31/2025 06 PM PST            5.71            724         -      Not Applicable
  12/31/2025 07 PM PST            5.70            720         -      Not Applicable
  12/31/2025 08 PM PST            5.68            713         -      Not Applicable
  12/31/2025 09 PM PST            5.67            709         -      Not Applicable
  12/31/2025 10 PM PST            5.65            702         -      Not Applicable
  12/31/2025 11 PM PST            5.64            698         -      Not Applicable
  01/01/2026 12 AM PST            5.62            691         -      Not Applicable
  01/01/2026 01 AM PST            5.61            688         -      Not Applicable
  01/01/2026 02 AM PST            5.59            681         -      Not Applicable
  01/01/2026 03 AM PST            5.58            677         -      Not Applicable
  01/01/2026 04 AM PST            5.56            670         -      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.