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TUOLUMNE RIVER - MODESTO (MDSC1)
| Latitude: 37.63º N | Longitude: 120.99º W | Elevation: 60 Feet | | Forecast Type: Official Location |
| Location: Stanislaus County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Mar 03 2026 at 1:28 PM PST | Next Issuance: | Mar 04 2026 at 9:00 AM PST
| |
| Action/Monitor: 50.5 Feet | Minor Flood: 55.0 Feet | Moderate Flood: 66.0 Feet | Major Flood: 67.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Tuolumne River - Modesto (MDSC1)
#
# File Generation Time: 03/03/2026 at 01:28 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/26/2026 at 02:00 PM PST
# Maximum Observed Stage: 44.68 Feet
# Maximum Observed Flow: 3125 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/03/2026 at 03:00 PM PST
# Maximum Forecast Stage: 44.54 Feet
# Maximum Forecast Flow: 3059 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/26/2026 01 PM PST 44.68 3125 Normal
02/26/2026 02 PM PST 44.68 3125 0 Normal
02/26/2026 03 PM PST 44.67 3120 - Normal
02/26/2026 04 PM PST 44.67 3120 0 Normal
02/26/2026 05 PM PST 44.67 3120 0 Normal
02/26/2026 06 PM PST 44.67 3120 0 Normal
02/26/2026 07 PM PST 44.65 3111 - Normal
02/26/2026 08 PM PST 44.67 3120 + Normal
02/26/2026 09 PM PST 44.65 3111 - Normal
02/26/2026 10 PM PST 44.66 3115 + Normal
02/26/2026 11 PM PST 44.65 3111 - Normal
02/27/2026 12 AM PST 44.66 3115 + Normal
02/27/2026 01 AM PST 44.65 3111 - Normal
02/27/2026 02 AM PST 44.65 3111 0 Normal
02/27/2026 03 AM PST 44.65 3111 0 Normal
02/27/2026 04 AM PST 44.65 3111 0 Normal
02/27/2026 05 AM PST 44.64 3106 - Normal
02/27/2026 06 AM PST 44.63 3101 - Normal
02/27/2026 07 AM PST 44.62 3096 - Normal
02/27/2026 08 AM PST 44.64 3106 + Normal
02/27/2026 09 AM PST 44.65 3111 + Normal
02/27/2026 10 AM PST 44.63 3101 - Normal
02/27/2026 11 AM PST 44.63 3101 0 Normal
02/27/2026 12 PM PST 44.62 3096 - Normal
02/27/2026 01 PM PST 44.64 3106 + Normal
02/27/2026 02 PM PST 44.63 3101 - Normal
02/27/2026 03 PM PST 44.64 3106 + Normal
02/27/2026 04 PM PST 44.64 3106 0 Normal
02/27/2026 05 PM PST 44.63 3101 - Normal
02/27/2026 06 PM PST 44.63 3101 0 Normal
02/27/2026 07 PM PST 44.63 3101 0 Normal
02/27/2026 08 PM PST 44.63 3101 0 Normal
02/27/2026 09 PM PST 44.64 3106 + Normal
02/27/2026 10 PM PST 44.64 3106 0 Normal
02/27/2026 11 PM PST 44.62 3096 - Normal
02/28/2026 12 AM PST 44.63 3101 + Normal
02/28/2026 01 AM PST 44.63 3101 0 Normal
02/28/2026 02 AM PST 44.61 3092 - Normal
02/28/2026 03 AM PST 44.62 3096 + Normal
02/28/2026 04 AM PST 44.63 3101 + Normal
02/28/2026 05 AM PST 44.63 3101 0 Normal
02/28/2026 06 AM PST 44.63 3101 0 Normal
02/28/2026 07 AM PST 44.63 3101 0 Normal
02/28/2026 08 AM PST 44.62 3096 - Normal
02/28/2026 09 AM PST 44.62 3096 0 Normal
02/28/2026 10 AM PST 44.62 3096 0 Normal
02/28/2026 11 AM PST 44.62 3096 0 Normal
02/28/2026 12 PM PST 44.62 3096 0 Normal
02/28/2026 01 PM PST 44.62 3096 0 Normal
02/28/2026 02 PM PST 44.63 3101 + Normal
02/28/2026 03 PM PST 44.62 3096 - Normal
02/28/2026 04 PM PST 44.61 3092 - Normal
02/28/2026 05 PM PST 44.61 3092 0 Normal
02/28/2026 06 PM PST 44.61 3092 0 Normal
02/28/2026 07 PM PST 44.60 3087 - Normal
02/28/2026 08 PM PST 44.61 3092 + Normal
02/28/2026 09 PM PST 44.62 3096 + Normal
02/28/2026 10 PM PST 44.61 3092 - Normal
02/28/2026 11 PM PST 44.61 3092 0 Normal
03/01/2026 12 AM PST 44.61 3092 0 Normal
03/01/2026 01 AM PST 44.60 3087 - Normal
03/01/2026 02 AM PST 44.60 3087 0 Normal
03/01/2026 03 AM PST 44.60 3087 0 Normal
03/01/2026 04 AM PST 44.61 3092 + Normal
03/01/2026 05 AM PST 44.61 3092 0 Normal
03/01/2026 06 AM PST 44.61 3092 0 Normal
03/01/2026 07 AM PST 44.60 3087 - Normal
03/01/2026 08 AM PST 44.59 3082 - Normal
03/01/2026 09 AM PST 44.59 3082 0 Normal
03/01/2026 10 AM PST 44.60 3087 + Normal
03/01/2026 11 AM PST 44.59 3082 - Normal
03/01/2026 12 PM PST 44.59 3082 0 Normal
03/01/2026 01 PM PST 44.58 3078 - Normal
03/01/2026 02 PM PST 44.59 3082 + Normal
03/01/2026 03 PM PST 44.59 3082 0 Normal
03/01/2026 04 PM PST 44.59 3082 0 Normal
03/01/2026 05 PM PST 44.63 3101 + Normal
03/01/2026 06 PM PST 44.58 3078 - Normal
03/01/2026 07 PM PST 44.60 3087 + Normal
03/01/2026 08 PM PST 44.59 3082 - Normal
03/01/2026 09 PM PST 44.58 3078 - Normal
03/01/2026 10 PM PST 44.58 3078 0 Normal
03/01/2026 11 PM PST 44.58 3078 0 Normal
03/02/2026 12 AM PST 44.57 3073 - Normal
03/02/2026 01 AM PST 44.59 3082 + Normal
03/02/2026 02 AM PST 44.59 3082 0 Normal
03/02/2026 03 AM PST 44.59 3082 0 Normal
03/02/2026 04 AM PST 44.58 3078 - Normal
03/02/2026 05 AM PST 44.57 3073 - Normal
03/02/2026 06 AM PST 44.57 3073 0 Normal
03/02/2026 07 AM PST 44.56 3068 - Normal
03/02/2026 08 AM PST 44.58 3078 + Normal
03/02/2026 09 AM PST 44.57 3073 - Normal
03/02/2026 10 AM PST 44.57 3073 0 Normal
03/02/2026 11 AM PST 44.58 3078 + Normal
03/02/2026 12 PM PST 44.57 3073 - Normal
03/02/2026 01 PM PST 44.57 3073 0 Normal
03/02/2026 02 PM PST 44.56 3068 - Normal
03/02/2026 03 PM PST 44.55 3063 - Normal
03/02/2026 04 PM PST 44.56 3068 + Normal
03/02/2026 05 PM PST 44.55 3063 - Normal
03/02/2026 06 PM PST 44.55 3063 0 Normal
03/02/2026 07 PM PST 44.56 3068 + Normal
03/02/2026 08 PM PST 44.54 3059 - Normal
03/02/2026 09 PM PST 44.55 3063 + Normal
03/02/2026 10 PM PST 44.55 3063 0 Normal
03/02/2026 11 PM PST 44.55 3063 0 Normal
03/03/2026 12 AM PST 44.54 3059 - Normal
03/03/2026 01 AM PST 44.54 3059 0 Normal
03/03/2026 02 AM PST 44.54 3059 0 Normal
03/03/2026 03 AM PST 44.54 3059 0 Normal
03/03/2026 04 AM PST 44.55 3063 + Normal
03/03/2026 05 AM PST 44.53 3054 - Normal
03/03/2026 06 AM PST 44.54 3059 + Normal
03/03/2026 07 AM PST 44.54 3059 0 Normal
03/03/2026 08 AM PST 44.53 3054 - Normal
03/03/2026 09 AM PST 44.54 3059 + Normal
03/03/2026 10 AM PST 44.53 3054 - Normal
03/03/2026 11 AM PST 44.53 3054 0 Normal
03/03/2026 12 PM PST 44.53 3054 0 Normal
03/03/2026 01 PM PST 44.53 3054 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/03/2026 02 PM PST 44.53 3054 Normal
03/03/2026 03 PM PST 44.54 3059 + Normal
03/03/2026 04 PM PST 44.54 3059 0 Normal
03/03/2026 05 PM PST 44.53 3054 - Normal
03/03/2026 06 PM PST 44.53 3054 0 Normal
03/03/2026 07 PM PST 44.53 3054 0 Normal
03/03/2026 08 PM PST 44.54 3059 + Normal
03/03/2026 09 PM PST 44.54 3059 0 Normal
03/03/2026 10 PM PST 44.53 3054 - Normal
03/03/2026 11 PM PST 44.53 3054 0 Normal
03/04/2026 12 AM PST 44.53 3054 0 Normal
03/04/2026 01 AM PST 44.53 3054 0 Normal
03/04/2026 02 AM PST 44.52 3049 - Normal
03/04/2026 03 AM PST 44.52 3049 0 Normal
03/04/2026 04 AM PST 44.51 3045 - Normal
03/04/2026 05 AM PST 44.51 3045 0 Normal
03/04/2026 06 AM PST 44.50 3040 - Normal
03/04/2026 07 AM PST 44.50 3040 0 Normal
03/04/2026 08 AM PST 44.50 3040 0 Normal
03/04/2026 09 AM PST 44.49 3035 - Normal
03/04/2026 10 AM PST 44.49 3035 0 Normal
03/04/2026 11 AM PST 44.49 3035 0 Normal
03/04/2026 12 PM PST 44.48 3031 - Normal
03/04/2026 01 PM PST 44.48 3031 0 Normal
03/04/2026 02 PM PST 44.48 3031 0 Normal
03/04/2026 03 PM PST 44.48 3031 0 Normal
03/04/2026 04 PM PST 44.48 3031 0 Normal
03/04/2026 05 PM PST 44.48 3031 0 Normal
03/04/2026 06 PM PST 44.47 3026 - Normal
03/04/2026 07 PM PST 44.47 3026 0 Normal
03/04/2026 08 PM PST 44.47 3026 0 Normal
03/04/2026 09 PM PST 44.47 3026 0 Normal
03/04/2026 10 PM PST 44.47 3026 0 Normal
03/04/2026 11 PM PST 44.47 3026 0 Normal
03/05/2026 12 AM PST 44.47 3026 0 Normal
03/05/2026 01 AM PST 44.47 3026 0 Normal
03/05/2026 02 AM PST 44.47 3026 0 Normal
03/05/2026 03 AM PST 44.47 3026 0 Normal
03/05/2026 04 AM PST 44.46 3021 - Normal
03/05/2026 05 AM PST 44.46 3021 0 Normal
03/05/2026 06 AM PST 44.46 3021 0 Normal
03/05/2026 07 AM PST 44.46 3021 0 Normal
03/05/2026 08 AM PST 44.46 3021 0 Normal
03/05/2026 09 AM PST 44.46 3021 0 Normal
03/05/2026 10 AM PST 44.46 3021 0 Normal
03/05/2026 11 AM PST 44.46 3021 0 Normal
03/05/2026 12 PM PST 44.46 3021 0 Normal
03/05/2026 01 PM PST 44.46 3021 0 Normal
03/05/2026 02 PM PST 44.46 3021 0 Normal
03/05/2026 03 PM PST 44.46 3021 0 Normal
03/05/2026 04 PM PST 44.46 3021 0 Normal
03/05/2026 05 PM PST 44.46 3021 0 Normal
03/05/2026 06 PM PST 44.46 3021 0 Normal
03/05/2026 07 PM PST 44.46 3021 0 Normal
03/05/2026 08 PM PST 44.46 3021 0 Normal
03/05/2026 09 PM PST 44.45 3016 - Normal
03/05/2026 10 PM PST 44.45 3016 0 Normal
03/05/2026 11 PM PST 44.45 3016 0 Normal
03/06/2026 12 AM PST 44.45 3016 0 Normal
03/06/2026 01 AM PST 44.45 3016 0 Normal
03/06/2026 02 AM PST 44.45 3016 0 Normal
03/06/2026 03 AM PST 44.45 3016 0 Normal
03/06/2026 04 AM PST 44.45 3016 0 Normal
03/06/2026 05 AM PST 44.45 3016 0 Normal
03/06/2026 06 AM PST 44.45 3016 0 Normal
03/06/2026 07 AM PST 44.45 3016 0 Normal
03/06/2026 08 AM PST 44.45 3016 0 Normal
03/06/2026 09 AM PST 44.45 3016 0 Normal
03/06/2026 10 AM PST 44.45 3016 0 Normal
03/06/2026 11 AM PST 44.45 3016 0 Normal
03/06/2026 12 PM PST 44.45 3016 0 Normal
03/06/2026 01 PM PST 44.45 3016 0 Normal
03/06/2026 02 PM PST 44.45 3016 0 Normal
03/06/2026 03 PM PST 44.45 3016 0 Normal
03/06/2026 04 PM PST 44.45 3016 0 Normal
03/06/2026 05 PM PST 44.45 3016 0 Normal
03/06/2026 06 PM PST 44.45 3016 0 Normal
03/06/2026 07 PM PST 44.45 3016 0 Normal
03/06/2026 08 PM PST 44.45 3016 0 Normal
03/06/2026 09 PM PST 44.45 3016 0 Normal
03/06/2026 10 PM PST 44.45 3016 0 Normal
03/06/2026 11 PM PST 44.45 3016 0 Normal
03/07/2026 12 AM PST 44.45 3016 0 Normal
03/07/2026 01 AM PST 44.45 3016 0 Normal
03/07/2026 02 AM PST 44.45 3016 0 Normal
03/07/2026 03 AM PST 44.44 3012 - Normal
03/07/2026 04 AM PST 44.44 3012 0 Normal
03/07/2026 05 AM PST 44.44 3012 0 Normal
03/07/2026 06 AM PST 44.44 3012 0 Normal
03/07/2026 07 AM PST 44.44 3012 0 Normal
03/07/2026 08 AM PST 44.44 3012 0 Normal
03/07/2026 09 AM PST 44.44 3012 0 Normal
03/07/2026 10 AM PST 44.44 3012 0 Normal
03/07/2026 11 AM PST 44.44 3012 0 Normal
03/07/2026 12 PM PST 44.44 3012 0 Normal
03/07/2026 01 PM PST 44.44 3012 0 Normal
03/07/2026 02 PM PST 44.44 3012 0 Normal
03/07/2026 03 PM PST 44.44 3012 0 Normal
03/07/2026 04 PM PST 44.44 3012 0 Normal
03/07/2026 05 PM PST 44.44 3012 0 Normal
03/07/2026 06 PM PST 44.44 3012 0 Normal
03/07/2026 07 PM PST 44.44 3012 0 Normal
03/07/2026 08 PM PST 44.44 3012 0 Normal
03/07/2026 09 PM PST 44.44 3012 0 Normal
03/07/2026 10 PM PST 44.44 3012 0 Normal
03/07/2026 11 PM PST 44.44 3012 0 Normal
03/08/2026 12 AM PST 44.44 3012 0 Normal
03/08/2026 01 AM PST 44.44 3012 0 Normal
03/08/2026 03 AM PDT 44.44 3012 0 Normal
03/08/2026 04 AM PDT 44.44 3012 0 Normal
03/08/2026 05 AM PDT 44.44 3012 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.
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