YUBA RIVER - MARYSVILLE (MRYC1)
Latitude: 39.18º NLongitude: 121.52º WElevation: 88 Feet
Location: Yuba County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Dec 26 2025 at 2:03 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
Action/Monitor: 74.0 FeetMinor Flood: 87.0 FeetModerate Flood: 90.0 FeetMajor Flood: 91.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Yuba River - Marysville (MRYC1)
#
# File Generation Time:  12/26/2025 at 02:03 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 09:00 AM PST
# Maximum Observed Stage:                       70.58 Feet
# Maximum Observed Flow:                        17761 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 02:00 PM PST
# Maximum Forecast Stage:                       66.40 Feet
# Maximum Forecast Flow:                        8401 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 02 PM PST           62.96           2345                        Normal
  12/21/2025 03 PM PST           63.11           2540         +              Normal
  12/21/2025 04 PM PST           63.25           2729         +              Normal
  12/21/2025 05 PM PST           63.36           2883         +              Normal
  12/21/2025 06 PM PST           63.52           3115         +              Normal
  12/21/2025 07 PM PST           63.61           3249         +              Normal
  12/21/2025 08 PM PST           64.04           3932         +              Normal
  12/21/2025 09 PM PST           64.72           5145         +              Normal
  12/21/2025 10 PM PST           65.47           6554         +              Normal
  12/21/2025 11 PM PST           66.22           8035         +              Normal
  12/22/2025 12 AM PST           66.88           9394         +              Normal
  12/22/2025 01 AM PST           67.58          10885         +              Normal
  12/22/2025 02 AM PST           68.35          12580         +              Normal
  12/22/2025 03 AM PST           69.18          14468         +              Normal
  12/22/2025 04 AM PST           69.81          15934         +              Normal
  12/22/2025 05 AM PST           70.11          16640         +              Normal
  12/22/2025 06 AM PST           70.25          16972         +              Normal
  12/22/2025 07 AM PST           70.39          17306         +              Normal
  12/22/2025 08 AM PST           70.50          17569         +              Normal
  12/22/2025 09 AM PST           70.58          17761         +              Normal
  12/22/2025 10 AM PST           70.57          17737         -              Normal
  12/22/2025 11 AM PST           70.52          17617         -              Normal
  12/22/2025 12 PM PST           70.40          17330         -              Normal
  12/22/2025 01 PM PST           70.20          16854         -              Normal
  12/22/2025 02 PM PST           69.95          16263         -              Normal
  12/22/2025 03 PM PST           69.62          15491         -              Normal
  12/22/2025 04 PM PST           69.24          14607         -              Normal
  12/22/2025 05 PM PST           68.84          13688         -              Normal
  12/22/2025 06 PM PST           68.48          12872         -              Normal
  12/22/2025 07 PM PST           68.17          12179         -              Normal
  12/22/2025 08 PM PST           67.80          11363         -              Normal
  12/22/2025 09 PM PST           67.41          10518         -              Normal
  12/22/2025 10 PM PST           67.13           9920         -              Normal
  12/22/2025 11 PM PST           66.78           9185         -              Normal
  12/23/2025 12 AM PST           66.62           8853         -              Normal
  12/23/2025 01 AM PST           66.33           8258         -              Normal
  12/23/2025 02 AM PST           66.12           7834         -              Normal
  12/23/2025 03 AM PST           65.90           7395         -              Normal
  12/23/2025 04 AM PST           65.68           6962         -              Normal
  12/23/2025 05 AM PST           65.50           6612         -              Normal
  12/23/2025 06 AM PST           65.30           6228         -              Normal
  12/23/2025 07 AM PST           65.15           5943         -              Normal
  12/23/2025 08 AM PST           65.07           5793         -              Normal
  12/23/2025 09 AM PST           64.97           5606         -              Normal
  12/23/2025 10 AM PST           64.89           5457         -              Normal
  12/23/2025 11 AM PST           64.78           5255         -              Normal
  12/23/2025 12 PM PST           64.67           5054         -              Normal
  12/23/2025 01 PM PST           64.55           4831         -              Normal
  12/23/2025 02 PM PST           64.48           4701         -              Normal
  12/23/2025 03 PM PST           64.33           4431         -              Normal
  12/23/2025 04 PM PST           64.32           4413         -              Normal
  12/23/2025 05 PM PST           64.28           4343         -              Normal
  12/23/2025 06 PM PST           64.23           4255         -              Normal
  12/23/2025 07 PM PST           64.21           4221         -              Normal
  12/23/2025 08 PM PST           64.23           4255         +              Normal
  12/23/2025 09 PM PST           64.22           4238         -              Normal
  12/23/2025 10 PM PST           64.21           4221         -              Normal
  12/23/2025 11 PM PST           64.17           4152         -              Normal
  12/24/2025 12 AM PST           64.20           4203         +              Normal
  12/24/2025 01 AM PST           64.19           4186         -              Normal
  12/24/2025 02 AM PST           64.22           4238         +              Normal
  12/24/2025 03 AM PST           64.18           4169         -              Normal
  12/24/2025 04 AM PST           64.22           4238         +              Normal
  12/24/2025 05 AM PST           64.24           4273         +              Normal
  12/24/2025 06 AM PST           64.26           4308         +              Normal
  12/24/2025 07 AM PST           64.27           4325         +              Normal
  12/24/2025 08 AM PST           64.28           4343         +              Normal
  12/24/2025 09 AM PST           64.36           4484         +              Normal
  12/24/2025 10 AM PST           64.38           4520         +              Normal
  12/24/2025 11 AM PST           64.46           4665         +              Normal
  12/24/2025 12 PM PST           64.58           4887         +              Normal
  12/24/2025 01 PM PST           64.80           5291         +              Normal
  12/24/2025 02 PM PST           64.84           5365         +              Normal
  12/24/2025 03 PM PST           64.88           5439         +              Normal
  12/24/2025 04 PM PST           64.78           5255         -              Normal
  12/24/2025 05 PM PST           64.76           5218         -              Normal
  12/24/2025 06 PM PST           64.74           5181         -              Normal
  12/24/2025 07 PM PST           64.72           5145         -              Normal
  12/24/2025 08 PM PST           64.72           5145         0              Normal
  12/24/2025 09 PM PST           64.88           5439         +              Normal
  12/24/2025 10 PM PST           64.93           5531         +              Normal
  12/24/2025 11 PM PST           64.95           5569         +              Normal
  12/25/2025 12 AM PST           64.99           5643         +              Normal
  12/25/2025 01 AM PST           64.90           5476         -              Normal
  12/25/2025 02 AM PST           64.83           5347         -              Normal
  12/25/2025 03 AM PST           64.68           5072         -              Normal
  12/25/2025 04 AM PST           64.62           4962         -              Normal
  12/25/2025 05 AM PST           64.61           4943         -              Normal
  12/25/2025 06 AM PST           64.54           4812         -              Normal
  12/25/2025 07 AM PST           64.51           4757         -              Normal
  12/25/2025 08 AM PST           64.50           4738         -              Normal
  12/25/2025 09 AM PST           64.55           4831         +              Normal
  12/25/2025 10 AM PST           64.69           5090         +              Normal
  12/25/2025 11 AM PST           64.79           5273         +              Normal
  12/25/2025 12 PM PST           64.83           5347         +              Normal
  12/25/2025 01 PM PST           64.88           5439         +              Normal
  12/25/2025 02 PM PST           64.93           5531         +              Normal
  12/25/2025 03 PM PST           64.82           5328         -              Normal
  12/25/2025 04 PM PST           64.71           5127         -              Normal
  12/25/2025 05 PM PST           64.76           5218         +              Normal
  12/25/2025 06 PM PST           64.62           4962         -              Normal
  12/25/2025 07 PM PST           64.74           5181         +              Normal
  12/25/2025 08 PM PST           64.81           5310         +              Normal
  12/25/2025 09 PM PST           64.91           5494         +              Normal
  12/25/2025 10 PM PST           64.95           5569         +              Normal
  12/25/2025 11 PM PST           65.22           6076         +              Normal
  12/26/2025 12 AM PST           65.77           7138         +              Normal
  12/26/2025 01 AM PST           66.38           8360         +              Normal
  12/26/2025 02 AM PST           66.80           9226         +              Normal
  12/26/2025 03 AM PST           66.94           9519         +              Normal
  12/26/2025 04 AM PST           66.95           9540         +              Normal
  12/26/2025 05 AM PST           66.93           9498         -              Normal
  12/26/2025 06 AM PST           67.06           9772         +              Normal
  12/26/2025 07 AM PST           67.08           9815         +              Normal
  12/26/2025 08 AM PST           67.10           9857         +              Normal
  12/26/2025 09 AM PST           67.03           9709         -              Normal
  12/26/2025 10 AM PST           66.98           9604         -              Normal
  12/26/2025 11 AM PST           66.85           9331         -              Normal
  12/26/2025 12 PM PST           66.72           9060         -              Normal
  12/26/2025 01 PM PST           66.58           8770         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 02 PM PST           66.40           8401                        Normal
  12/26/2025 03 PM PST           66.21           8015         -              Normal
  12/26/2025 04 PM PST           65.99           7574         -              Normal
  12/26/2025 05 PM PST           65.78           7158         -              Normal
  12/26/2025 06 PM PST           65.59           6786         -              Normal
  12/26/2025 07 PM PST           65.41           6438         -              Normal
  12/26/2025 08 PM PST           65.25           6132         -              Normal
  12/26/2025 09 PM PST           65.10           5849         -              Normal
  12/26/2025 10 PM PST           64.97           5606         -              Normal
  12/26/2025 11 PM PST           64.85           5383         -              Normal
  12/27/2025 12 AM PST           64.73           5163         -              Normal
  12/27/2025 01 AM PST           64.63           4980         -              Normal
  12/27/2025 02 AM PST           64.53           4794         -              Normal
  12/27/2025 03 AM PST           64.45           4647         -              Normal
  12/27/2025 04 AM PST           64.38           4520         -              Normal
  12/27/2025 05 AM PST           64.32           4413         -              Normal
  12/27/2025 06 AM PST           64.26           4308         -              Normal
  12/27/2025 07 AM PST           64.20           4203         -              Normal
  12/27/2025 08 AM PST           64.15           4117         -              Normal
  12/27/2025 09 AM PST           64.11           4049         -              Normal
  12/27/2025 10 AM PST           64.08           3999         -              Normal
  12/27/2025 11 AM PST           64.06           3965         -              Normal
  12/27/2025 12 PM PST           64.05           3948         -              Normal
  12/27/2025 01 PM PST           64.03           3915         -              Normal
  12/27/2025 02 PM PST           64.02           3898         -              Normal
  12/27/2025 03 PM PST           64.01           3882         -              Normal
  12/27/2025 04 PM PST           64.00           3865         -              Normal
  12/27/2025 05 PM PST           63.98           3832         -              Normal
  12/27/2025 06 PM PST           63.97           3816         -              Normal
  12/27/2025 07 PM PST           63.96           3800         -              Normal
  12/27/2025 08 PM PST           63.95           3783         -              Normal
  12/27/2025 09 PM PST           63.94           3767         -              Normal
  12/27/2025 10 PM PST           63.93           3751         -              Normal
  12/27/2025 11 PM PST           63.92           3734         -              Normal
  12/28/2025 12 AM PST           63.92           3734         0              Normal
  12/28/2025 01 AM PST           63.91           3718         -              Normal
  12/28/2025 02 AM PST           63.91           3718         0              Normal
  12/28/2025 03 AM PST           63.89           3686         -              Normal
  12/28/2025 04 AM PST           63.87           3654         -              Normal
  12/28/2025 05 AM PST           63.82           3574         -              Normal
  12/28/2025 06 AM PST           63.75           3464         -              Normal
  12/28/2025 07 AM PST           63.68           3355         -              Normal
  12/28/2025 08 AM PST           63.61           3249         -              Normal
  12/28/2025 09 AM PST           63.54           3144         -              Normal
  12/28/2025 10 AM PST           63.46           3027         -              Normal
  12/28/2025 11 AM PST           63.38           2911         -              Normal
  12/28/2025 12 PM PST           63.31           2813         -              Normal
  12/28/2025 01 PM PST           63.23           2702         -              Normal
  12/28/2025 02 PM PST           63.15           2593         -              Normal
  12/28/2025 03 PM PST           63.07           2487         -              Normal
  12/28/2025 04 PM PST           62.99           2384         -              Normal
  12/28/2025 05 PM PST           62.90           2270         -              Normal
  12/28/2025 06 PM PST           62.82           2171         -              Normal
  12/28/2025 07 PM PST           62.73           2062         -              Normal
  12/28/2025 08 PM PST           62.64           1957         -              Normal
  12/28/2025 09 PM PST           62.55           1854         -              Normal
  12/28/2025 10 PM PST           62.46           1754         -              Normal
  12/28/2025 11 PM PST           62.39           1679         -              Normal
  12/29/2025 12 AM PST           62.35           1636         -              Normal
  12/29/2025 01 AM PST           62.33           1615         -              Normal
  12/29/2025 02 AM PST           62.32           1605         -              Normal
  12/29/2025 03 AM PST           62.32           1605         0              Normal
  12/29/2025 04 AM PST           62.31           1594         -              Normal
  12/29/2025 05 AM PST           62.31           1594         0              Normal
  12/29/2025 06 AM PST           62.31           1594         0              Normal
  12/29/2025 07 AM PST           62.30           1584         -              Normal
  12/29/2025 08 AM PST           62.30           1584         0              Normal
  12/29/2025 09 AM PST           62.30           1584         0              Normal
  12/29/2025 10 AM PST           62.29           1574         -              Normal
  12/29/2025 11 AM PST           62.29           1574         0              Normal
  12/29/2025 12 PM PST           62.29           1574         0              Normal
  12/29/2025 01 PM PST           62.28           1563         -              Normal
  12/29/2025 02 PM PST           62.28           1563         0              Normal
  12/29/2025 03 PM PST           62.28           1563         0              Normal
  12/29/2025 04 PM PST           62.28           1563         0              Normal
  12/29/2025 05 PM PST           62.27           1553         -              Normal
  12/29/2025 06 PM PST           62.27           1553         0              Normal
  12/29/2025 07 PM PST           62.27           1553         0              Normal
  12/29/2025 08 PM PST           62.27           1553         0              Normal
  12/29/2025 09 PM PST           62.27           1553         0              Normal
  12/29/2025 10 PM PST           62.26           1543         -              Normal
  12/29/2025 11 PM PST           62.26           1543         0              Normal
  12/30/2025 12 AM PST           62.26           1543         0              Normal
  12/30/2025 01 AM PST           62.26           1543         0              Normal
  12/30/2025 02 AM PST           62.26           1543         0              Normal
  12/30/2025 03 AM PST           62.25           1533         -              Normal
  12/30/2025 04 AM PST           62.25           1533         0              Normal
  12/30/2025 05 AM PST           62.25           1533         0              Normal
  12/30/2025 06 AM PST           62.25           1533         0              Normal
  12/30/2025 07 AM PST           62.25           1533         0              Normal
  12/30/2025 08 AM PST           62.25           1533         0              Normal
  12/30/2025 09 AM PST           62.24           1522         -              Normal
  12/30/2025 10 AM PST           62.24           1522         0              Normal
  12/30/2025 11 AM PST           62.24           1522         0              Normal
  12/30/2025 12 PM PST           62.24           1522         0              Normal
  12/30/2025 01 PM PST           62.24           1522         0              Normal
  12/30/2025 02 PM PST           62.24           1522         0              Normal
  12/30/2025 03 PM PST           62.24           1522         0              Normal
  12/30/2025 04 PM PST           62.23           1512         -              Normal
  12/30/2025 05 PM PST           62.23           1512         0              Normal
  12/30/2025 06 PM PST           62.23           1512         0              Normal
  12/30/2025 07 PM PST           62.23           1512         0              Normal
  12/30/2025 08 PM PST           62.23           1512         0              Normal
  12/30/2025 09 PM PST           62.23           1512         0              Normal
  12/30/2025 10 PM PST           62.23           1512         0              Normal
  12/30/2025 11 PM PST           62.39           1679         +              Normal
  12/31/2025 12 AM PST           62.39           1679         0              Normal
  12/31/2025 01 AM PST           62.39           1679         0              Normal
  12/31/2025 02 AM PST           62.38           1668         -              Normal
  12/31/2025 03 AM PST           62.38           1668         0              Normal
  12/31/2025 04 AM PST           62.38           1668         0              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.