National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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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 8:28 AM PSTNext Issuance: Dec 26 2025 at 3:00 PM 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 08:29 AM 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 09:00 AM PST
# Maximum Forecast Stage:                       67.34 Feet
# Maximum Forecast Flow:                        10368 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 08 AM PST           61.76           1076                        Normal
  12/21/2025 09 AM PST           61.88           1180         +              Normal
  12/21/2025 10 AM PST           62.17           1452         +              Normal
  12/21/2025 11 AM PST           62.50           1798         +              Normal
  12/21/2025 12 PM PST           62.70           2027         +              Normal
  12/21/2025 01 PM PST           62.86           2220         +              Normal
  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           67.25          10176         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 09 AM PST           67.34          10368                        Normal
  12/26/2025 10 AM PST           67.31          10304         -              Normal
  12/26/2025 11 AM PST           67.22          10112         -              Normal
  12/26/2025 12 PM PST           67.11           9878         -              Normal
  12/26/2025 01 PM PST           66.97           9583         -              Normal
  12/26/2025 02 PM PST           66.81           9247         -              Normal
  12/26/2025 03 PM PST           66.62           8853         -              Normal
  12/26/2025 04 PM PST           66.43           8462         -              Normal
  12/26/2025 05 PM PST           66.23           8056         -              Normal
  12/26/2025 06 PM PST           66.03           7654         -              Normal
  12/26/2025 07 PM PST           65.83           7256         -              Normal
  12/26/2025 08 PM PST           65.66           6923         -              Normal
  12/26/2025 09 PM PST           65.49           6592         -              Normal
  12/26/2025 10 PM PST           65.35           6323         -              Normal
  12/26/2025 11 PM PST           65.21           6057         -              Normal
  12/27/2025 12 AM PST           65.09           5830         -              Normal
  12/27/2025 01 AM PST           64.97           5606         -              Normal
  12/27/2025 02 AM PST           64.85           5383         -              Normal
  12/27/2025 03 AM PST           64.74           5181         -              Normal
  12/27/2025 04 AM PST           64.62           4962         -              Normal
  12/27/2025 05 AM PST           64.52           4775         -              Normal
  12/27/2025 06 AM PST           64.42           4592         -              Normal
  12/27/2025 07 AM PST           64.34           4449         -              Normal
  12/27/2025 08 AM PST           64.29           4360         -              Normal
  12/27/2025 09 AM PST           64.25           4290         -              Normal
  12/27/2025 10 AM PST           64.21           4221         -              Normal
  12/27/2025 11 AM PST           64.17           4152         -              Normal
  12/27/2025 12 PM PST           64.12           4066         -              Normal
  12/27/2025 01 PM PST           64.08           3999         -              Normal
  12/27/2025 02 PM PST           64.04           3932         -              Normal
  12/27/2025 03 PM PST           64.01           3882         -              Normal
  12/27/2025 04 PM PST           63.99           3849         -              Normal
  12/27/2025 05 PM PST           63.97           3816         -              Normal
  12/27/2025 06 PM PST           63.95           3783         -              Normal
  12/27/2025 07 PM PST           63.93           3751         -              Normal
  12/27/2025 08 PM PST           63.91           3718         -              Normal
  12/27/2025 09 PM PST           63.89           3686         -              Normal
  12/27/2025 10 PM PST           63.88           3670         -              Normal
  12/27/2025 11 PM PST           63.86           3638         -              Normal
  12/28/2025 12 AM PST           63.84           3606         -              Normal
  12/28/2025 01 AM PST           63.83           3590         -              Normal
  12/28/2025 02 AM PST           63.82           3574         -              Normal
  12/28/2025 03 AM PST           63.81           3558         -              Normal
  12/28/2025 04 AM PST           63.80           3542         -              Normal
  12/28/2025 05 AM PST           63.79           3526         -              Normal
  12/28/2025 06 AM PST           63.78           3511         -              Normal
  12/28/2025 07 AM PST           63.77           3495         -              Normal
  12/28/2025 08 AM PST           63.76           3479         -              Normal
  12/28/2025 09 AM PST           63.76           3479         0              Normal
  12/28/2025 10 AM PST           63.75           3464         -              Normal
  12/28/2025 11 AM PST           63.73           3433         -              Normal
  12/28/2025 12 PM PST           63.70           3386         -              Normal
  12/28/2025 01 PM PST           63.65           3309         -              Normal
  12/28/2025 02 PM PST           63.58           3204         -              Normal
  12/28/2025 03 PM PST           63.51           3100         -              Normal
  12/28/2025 04 PM PST           63.44           2998         -              Normal
  12/28/2025 05 PM PST           63.36           2883         -              Normal
  12/28/2025 06 PM PST           63.28           2771         -              Normal
  12/28/2025 07 PM PST           63.21           2675         -              Normal
  12/28/2025 08 PM PST           63.13           2567         -              Normal
  12/28/2025 09 PM PST           63.05           2461         -              Normal
  12/28/2025 10 PM PST           62.97           2358         -              Normal
  12/28/2025 11 PM PST           62.89           2257         -              Normal
  12/29/2025 12 AM PST           62.80           2146         -              Normal
  12/29/2025 01 AM PST           62.72           2050         -              Normal
  12/29/2025 02 AM PST           62.63           1945         -              Normal
  12/29/2025 03 AM PST           62.54           1843         -              Normal
  12/29/2025 04 AM PST           62.44           1732         -              Normal
  12/29/2025 05 AM PST           62.35           1636         -              Normal
  12/29/2025 06 AM PST           62.25           1533         -              Normal
  12/29/2025 07 AM PST           62.17           1452         -              Normal
  12/29/2025 08 AM PST           62.13           1413         -              Normal
  12/29/2025 09 AM PST           62.12           1403         -              Normal
  12/29/2025 10 AM PST           62.11           1394         -              Normal
  12/29/2025 11 AM PST           62.10           1384         -              Normal
  12/29/2025 12 PM PST           62.10           1384         0              Normal
  12/29/2025 01 PM PST           62.10           1384         0              Normal
  12/29/2025 02 PM PST           62.09           1374         -              Normal
  12/29/2025 03 PM PST           62.09           1374         0              Normal
  12/29/2025 04 PM PST           62.09           1374         0              Normal
  12/29/2025 05 PM PST           62.09           1374         0              Normal
  12/29/2025 06 PM PST           62.08           1365         -              Normal
  12/29/2025 07 PM PST           62.08           1365         0              Normal
  12/29/2025 08 PM PST           62.08           1365         0              Normal
  12/29/2025 09 PM PST           62.08           1365         0              Normal
  12/29/2025 10 PM PST           62.07           1355         -              Normal
  12/29/2025 11 PM PST           62.07           1355         0              Normal
  12/30/2025 12 AM PST           62.07           1355         0              Normal
  12/30/2025 01 AM PST           62.07           1355         0              Normal
  12/30/2025 02 AM PST           62.06           1346         -              Normal
  12/30/2025 03 AM PST           62.06           1346         0              Normal
  12/30/2025 04 AM PST           62.06           1346         0              Normal
  12/30/2025 05 AM PST           62.06           1346         0              Normal
  12/30/2025 06 AM PST           62.06           1346         0              Normal
  12/30/2025 07 AM PST           62.06           1346         0              Normal
  12/30/2025 08 AM PST           62.05           1336         -              Normal
  12/30/2025 09 AM PST           62.05           1336         0              Normal
  12/30/2025 10 AM PST           62.05           1336         0              Normal
  12/30/2025 11 AM PST           62.05           1336         0              Normal
  12/30/2025 12 PM PST           62.05           1336         0              Normal
  12/30/2025 01 PM PST           62.05           1336         0              Normal
  12/30/2025 02 PM PST           62.04           1327         -              Normal
  12/30/2025 03 PM PST           62.04           1327         0              Normal
  12/30/2025 04 PM PST           62.04           1327         0              Normal
  12/30/2025 05 PM PST           62.04           1327         0              Normal
  12/30/2025 06 PM PST           62.04           1327         0              Normal
  12/30/2025 07 PM PST           62.04           1327         0              Normal
  12/30/2025 08 PM PST           62.03           1317         -              Normal
  12/30/2025 09 PM PST           62.03           1317         0              Normal
  12/30/2025 10 PM PST           62.04           1327         +              Normal
  12/30/2025 11 PM PST           62.21           1492         +              Normal
  12/31/2025 12 AM PST           62.21           1492         0              Normal
  12/31/2025 01 AM PST           62.20           1482         -              Normal
  12/31/2025 02 AM PST           62.20           1482         0              Normal
  12/31/2025 03 AM PST           62.20           1482         0              Normal
  12/31/2025 04 AM PST           62.19           1472         -              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.