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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: | Jun 08 2026 at 6:55 AM PDT | Next Issuance: | Jun 09 2026 at 9:00 AM PDT
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| 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: 06/08/2026 at 06:55 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/03/2026 at 06:00 AM PDT
# Maximum Observed Stage: 36.53 Feet
# Maximum Observed Flow: 126 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/10/2026 at 09:00 PM PDT
# Maximum Forecast Stage: 36.42 Feet
# Maximum Forecast Flow: 105 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/03/2026 06 AM PDT 36.53 126 Normal
06/03/2026 07 AM PDT 36.52 124 - Normal
06/03/2026 08 AM PDT 36.51 122 - Normal
06/03/2026 09 AM PDT 36.51 122 0 Normal
06/03/2026 10 AM PDT 36.50 120 - Normal
06/03/2026 11 AM PDT 36.49 118 - Normal
06/03/2026 12 PM PDT 36.48 117 - Normal
06/03/2026 01 PM PDT 36.46 113 - Normal
06/03/2026 02 PM PDT 36.45 111 - Normal
06/03/2026 03 PM PDT 36.44 109 - Normal
06/03/2026 04 PM PDT 36.42 105 - Normal
06/03/2026 05 PM PDT 36.41 104 - Normal
06/03/2026 06 PM PDT 36.40 102 - Normal
06/03/2026 07 PM PDT 36.39 100 - Normal
06/03/2026 08 PM PDT 36.40 102 + Normal
06/03/2026 09 PM PDT 36.38 98 - Normal
06/03/2026 10 PM PDT 36.37 96 - Normal
06/03/2026 11 PM PDT 36.36 95 - Normal
06/04/2026 12 AM PDT 36.35 93 - Normal
06/04/2026 01 AM PDT 36.34 91 - Normal
06/04/2026 02 AM PDT 36.34 91 0 Normal
06/04/2026 03 AM PDT 36.34 91 0 Normal
06/04/2026 04 AM PDT 36.34 91 0 Normal
06/04/2026 05 AM PDT 36.34 91 0 Normal
06/04/2026 06 AM PDT 36.34 91 0 Normal
06/04/2026 07 AM PDT 36.33 89 - Normal
06/04/2026 08 AM PDT 36.33 89 0 Normal
06/04/2026 09 AM PDT 36.33 89 0 Normal
06/04/2026 10 AM PDT 36.33 89 0 Normal
06/04/2026 11 AM PDT 36.33 89 0 Normal
06/04/2026 12 PM PDT 36.38 98 + Normal
06/04/2026 01 PM PDT 36.39 100 + Normal
06/04/2026 02 PM PDT 36.38 98 - Normal
06/04/2026 03 PM PDT 36.37 96 - Normal
06/04/2026 04 PM PDT 36.36 95 - Normal
06/04/2026 05 PM PDT 36.34 91 - Normal
06/04/2026 06 PM PDT 36.33 89 - Normal
06/04/2026 07 PM PDT 36.32 88 - Normal
06/04/2026 08 PM PDT 36.31 86 - Normal
06/04/2026 09 PM PDT 36.31 86 0 Normal
06/04/2026 10 PM PDT 36.31 86 0 Normal
06/04/2026 11 PM PDT 36.31 86 0 Normal
06/05/2026 12 AM PDT 36.30 84 - Normal
06/05/2026 01 AM PDT 36.30 84 0 Normal
06/05/2026 02 AM PDT 36.30 84 0 Normal
06/05/2026 03 AM PDT 36.31 86 + Normal
06/05/2026 04 AM PDT 36.34 91 + Normal
06/05/2026 05 AM PDT 36.37 96 + Normal
06/05/2026 06 AM PDT 36.41 104 + Normal
06/05/2026 07 AM PDT 36.43 107 + Normal
06/05/2026 08 AM PDT 36.44 109 + Normal
06/05/2026 09 AM PDT 36.44 109 0 Normal
06/05/2026 10 AM PDT 36.43 107 - Normal
06/05/2026 11 AM PDT 36.43 107 0 Normal
06/05/2026 12 PM PDT 36.43 107 0 Normal
06/05/2026 01 PM PDT 36.41 104 - Normal
06/05/2026 02 PM PDT 36.40 102 - Normal
06/05/2026 03 PM PDT 36.39 100 - Normal
06/05/2026 04 PM PDT 36.38 98 - Normal
06/05/2026 05 PM PDT 36.36 95 - Normal
06/05/2026 06 PM PDT 36.35 93 - Normal
06/05/2026 07 PM PDT 36.34 91 - Normal
06/05/2026 08 PM PDT 36.34 91 0 Normal
06/05/2026 09 PM PDT 36.34 91 0 Normal
06/05/2026 10 PM PDT 36.33 89 - Normal
06/05/2026 11 PM PDT 36.33 89 0 Normal
06/06/2026 12 AM PDT 36.32 88 - Normal
06/06/2026 01 AM PDT 36.31 86 - Normal
06/06/2026 02 AM PDT 36.31 86 0 Normal
06/06/2026 03 AM PDT 36.30 84 - Normal
06/06/2026 04 AM PDT 36.30 84 0 Normal
06/06/2026 05 AM PDT 36.32 88 + Normal
06/06/2026 06 AM PDT 36.33 89 + Normal
06/06/2026 07 AM PDT 36.36 95 + Normal
06/06/2026 08 AM PDT 36.38 98 + Normal
06/06/2026 09 AM PDT 36.40 102 + Normal
06/06/2026 10 AM PDT 36.41 104 + Normal
06/06/2026 11 AM PDT 36.40 102 - Normal
06/06/2026 12 PM PDT 36.39 100 - Normal
06/06/2026 01 PM PDT 36.37 96 - Normal
06/06/2026 02 PM PDT 36.37 96 0 Normal
06/06/2026 03 PM PDT 36.36 95 - Normal
06/06/2026 04 PM PDT 36.35 93 - Normal
06/06/2026 05 PM PDT 36.35 93 0 Normal
06/06/2026 06 PM PDT 36.35 93 0 Normal
06/06/2026 07 PM PDT 36.36 95 + Normal
06/06/2026 08 PM PDT 36.37 96 + Normal
06/06/2026 09 PM PDT 36.37 96 0 Normal
06/06/2026 10 PM PDT 36.36 95 - Normal
06/06/2026 11 PM PDT 36.34 91 - Normal
06/07/2026 12 AM PDT 36.33 89 - Normal
06/07/2026 01 AM PDT 36.32 88 - Normal
06/07/2026 02 AM PDT 36.32 88 0 Normal
06/07/2026 03 AM PDT 36.32 88 0 Normal
06/07/2026 04 AM PDT 36.33 89 + Normal
06/07/2026 05 AM PDT 36.36 95 + Normal
06/07/2026 06 AM PDT 36.38 98 + Normal
06/07/2026 07 AM PDT 36.40 102 + Normal
06/07/2026 08 AM PDT 36.42 105 + Normal
06/07/2026 09 AM PDT 36.44 109 + Normal
06/07/2026 10 AM PDT 36.45 111 + Normal
06/07/2026 11 AM PDT 36.46 113 + Normal
06/07/2026 12 PM PDT 36.46 113 0 Normal
06/07/2026 01 PM PDT 36.45 111 - Normal
06/07/2026 02 PM PDT 36.45 111 0 Normal
06/07/2026 03 PM PDT 36.43 107 - Normal
06/07/2026 04 PM PDT 36.42 105 - Normal
06/07/2026 05 PM PDT 36.41 104 - Normal
06/07/2026 06 PM PDT 36.40 102 - Normal
06/07/2026 07 PM PDT 36.42 105 + Normal
06/07/2026 08 PM PDT 36.44 109 + Normal
06/07/2026 09 PM PDT 36.46 113 + Normal
06/07/2026 10 PM PDT 36.46 113 0 Normal
06/07/2026 11 PM PDT 36.45 111 - Normal
06/08/2026 12 AM PDT 36.44 109 - Normal
06/08/2026 01 AM PDT 36.43 107 - Normal
06/08/2026 02 AM PDT 36.42 105 - Normal
06/08/2026 03 AM PDT 36.41 104 - Normal
06/08/2026 04 AM PDT 36.41 104 0 Normal
06/08/2026 05 AM PDT 36.41 104 0 Normal
06/08/2026 06 AM PDT 36.41 104 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/08/2026 07 AM PDT 36.41 104 Normal
06/08/2026 08 AM PDT 36.41 104 0 Normal
06/08/2026 09 AM PDT 36.41 104 0 Normal
06/08/2026 10 AM PDT 36.41 104 0 Normal
06/08/2026 11 AM PDT 36.41 104 0 Normal
06/08/2026 12 PM PDT 36.41 104 0 Normal
06/08/2026 01 PM PDT 36.41 104 0 Normal
06/08/2026 02 PM PDT 36.41 104 0 Normal
06/08/2026 03 PM PDT 36.41 104 0 Normal
06/08/2026 04 PM PDT 36.41 104 0 Normal
06/08/2026 05 PM PDT 36.41 104 0 Normal
06/08/2026 06 PM PDT 36.41 104 0 Normal
06/08/2026 07 PM PDT 36.41 104 0 Normal
06/08/2026 08 PM PDT 36.41 104 0 Normal
06/08/2026 09 PM PDT 36.41 104 0 Normal
06/08/2026 10 PM PDT 36.41 104 0 Normal
06/08/2026 11 PM PDT 36.41 104 0 Normal
06/09/2026 12 AM PDT 36.41 104 0 Normal
06/09/2026 01 AM PDT 36.41 104 0 Normal
06/09/2026 02 AM PDT 36.41 104 0 Normal
06/09/2026 03 AM PDT 36.41 104 0 Normal
06/09/2026 04 AM PDT 36.41 104 0 Normal
06/09/2026 05 AM PDT 36.41 104 0 Normal
06/09/2026 06 AM PDT 36.41 104 0 Normal
06/09/2026 07 AM PDT 36.41 104 0 Normal
06/09/2026 08 AM PDT 36.41 104 0 Normal
06/09/2026 09 AM PDT 36.41 104 0 Normal
06/09/2026 10 AM PDT 36.41 104 0 Normal
06/09/2026 11 AM PDT 36.41 104 0 Normal
06/09/2026 12 PM PDT 36.41 104 0 Normal
06/09/2026 01 PM PDT 36.41 104 0 Normal
06/09/2026 02 PM PDT 36.41 104 0 Normal
06/09/2026 03 PM PDT 36.41 104 0 Normal
06/09/2026 04 PM PDT 36.41 104 0 Normal
06/09/2026 05 PM PDT 36.41 104 0 Normal
06/09/2026 06 PM PDT 36.41 104 0 Normal
06/09/2026 07 PM PDT 36.41 104 0 Normal
06/09/2026 08 PM PDT 36.41 104 0 Normal
06/09/2026 09 PM PDT 36.41 104 0 Normal
06/09/2026 10 PM PDT 36.41 104 0 Normal
06/09/2026 11 PM PDT 36.41 104 0 Normal
06/10/2026 12 AM PDT 36.41 104 0 Normal
06/10/2026 01 AM PDT 36.41 104 0 Normal
06/10/2026 02 AM PDT 36.41 104 0 Normal
06/10/2026 03 AM PDT 36.41 104 0 Normal
06/10/2026 04 AM PDT 36.41 104 0 Normal
06/10/2026 05 AM PDT 36.41 104 0 Normal
06/10/2026 06 AM PDT 36.41 104 0 Normal
06/10/2026 07 AM PDT 36.41 104 0 Normal
06/10/2026 08 AM PDT 36.41 104 0 Normal
06/10/2026 09 AM PDT 36.41 104 0 Normal
06/10/2026 10 AM PDT 36.41 104 0 Normal
06/10/2026 11 AM PDT 36.41 104 0 Normal
06/10/2026 12 PM PDT 36.41 104 0 Normal
06/10/2026 01 PM PDT 36.41 104 0 Normal
06/10/2026 02 PM PDT 36.41 104 0 Normal
06/10/2026 03 PM PDT 36.41 104 0 Normal
06/10/2026 04 PM PDT 36.41 104 0 Normal
06/10/2026 05 PM PDT 36.41 104 0 Normal
06/10/2026 06 PM PDT 36.41 104 0 Normal
06/10/2026 07 PM PDT 36.41 104 0 Normal
06/10/2026 08 PM PDT 36.41 104 0 Normal
06/10/2026 09 PM PDT 36.42 105 + Normal
06/10/2026 10 PM PDT 36.42 105 0 Normal
06/10/2026 11 PM PDT 36.42 105 0 Normal
06/11/2026 12 AM PDT 36.42 105 0 Normal
06/11/2026 01 AM PDT 36.42 105 0 Normal
06/11/2026 02 AM PDT 36.42 105 0 Normal
06/11/2026 03 AM PDT 36.42 105 0 Normal
06/11/2026 04 AM PDT 36.42 105 0 Normal
06/11/2026 05 AM PDT 36.42 105 0 Normal
06/11/2026 06 AM PDT 36.42 105 0 Normal
06/11/2026 07 AM PDT 36.42 105 0 Normal
06/11/2026 08 AM PDT 36.42 105 0 Normal
06/11/2026 09 AM PDT 36.42 105 0 Normal
06/11/2026 10 AM PDT 36.42 105 0 Normal
06/11/2026 11 AM PDT 36.42 105 0 Normal
06/11/2026 12 PM PDT 36.42 105 0 Normal
06/11/2026 01 PM PDT 36.42 105 0 Normal
06/11/2026 02 PM PDT 36.42 105 0 Normal
06/11/2026 03 PM PDT 36.42 105 0 Normal
06/11/2026 04 PM PDT 36.42 105 0 Normal
06/11/2026 05 PM PDT 36.42 105 0 Normal
06/11/2026 06 PM PDT 36.42 105 0 Normal
06/11/2026 07 PM PDT 36.42 105 0 Normal
06/11/2026 08 PM PDT 36.42 105 0 Normal
06/11/2026 09 PM PDT 36.42 105 0 Normal
06/11/2026 10 PM PDT 36.42 105 0 Normal
06/11/2026 11 PM PDT 36.42 105 0 Normal
06/12/2026 12 AM PDT 36.42 105 0 Normal
06/12/2026 01 AM PDT 36.42 105 0 Normal
06/12/2026 02 AM PDT 36.42 105 0 Normal
06/12/2026 03 AM PDT 36.42 105 0 Normal
06/12/2026 04 AM PDT 36.42 105 0 Normal
06/12/2026 05 AM PDT 36.42 105 0 Normal
06/12/2026 06 AM PDT 36.42 105 0 Normal
06/12/2026 07 AM PDT 36.42 105 0 Normal
06/12/2026 08 AM PDT 36.42 105 0 Normal
06/12/2026 09 AM PDT 36.42 105 0 Normal
06/12/2026 10 AM PDT 36.42 105 0 Normal
06/12/2026 11 AM PDT 36.42 105 0 Normal
06/12/2026 12 PM PDT 36.42 105 0 Normal
06/12/2026 01 PM PDT 36.42 105 0 Normal
06/12/2026 02 PM PDT 36.42 105 0 Normal
06/12/2026 03 PM PDT 36.42 105 0 Normal
06/12/2026 04 PM PDT 36.42 105 0 Normal
06/12/2026 05 PM PDT 36.42 105 0 Normal
06/12/2026 06 PM PDT 36.42 105 0 Normal
06/12/2026 07 PM PDT 36.42 105 0 Normal
06/12/2026 08 PM PDT 36.42 105 0 Normal
06/12/2026 09 PM PDT 36.42 105 0 Normal
06/12/2026 10 PM PDT 36.42 105 0 Normal
06/12/2026 11 PM PDT 36.42 105 0 Normal
06/13/2026 12 AM PDT 36.42 105 0 Normal
06/13/2026 01 AM PDT 36.42 105 0 Normal
06/13/2026 02 AM PDT 36.42 105 0 Normal
06/13/2026 03 AM PDT 36.42 105 0 Normal
06/13/2026 04 AM PDT 36.42 105 0 Normal
06/13/2026 05 AM PDT 36.42 105 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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