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MERCED RIVER - STEVINSON (STVC1)
| Latitude: 37.37º N | Longitude: 120.93º W | Elevation: 82 Feet | | Forecast Type: Official Location |
| Location: Merced County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | May 09 2026 at 7:47 AM PDT | Next Issuance: | May 10 2026 at 9:00 AM PDT
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| Action/Monitor: 68.0 Feet | Minor Flood: 71.0 Feet | Moderate Flood: 73.8 Feet | Major Flood: 75.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Stevinson (STVC1)
#
# File Generation Time: 05/09/2026 at 07:47 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/04/2026 at 02:00 PM PDT
# Maximum Observed Stage: 57.50 Feet
# Maximum Observed Flow: 238 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/11/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 57.16 Feet
# Maximum Forecast Flow: 182 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/04/2026 07 AM PDT 57.43 226 Normal
05/04/2026 08 AM PDT 57.45 229 + Normal
05/04/2026 09 AM PDT 57.46 231 + Normal
05/04/2026 10 AM PDT 57.47 233 + Normal
05/04/2026 11 AM PDT 57.48 235 + Normal
05/04/2026 12 PM PDT 57.49 236 + Normal
05/04/2026 01 PM PDT 57.50 238 + Normal
05/04/2026 02 PM PDT 57.50 238 0 Normal
05/04/2026 03 PM PDT 57.49 236 - Normal
05/04/2026 04 PM PDT 57.46 231 - Normal
05/04/2026 05 PM PDT 57.44 228 - Normal
05/04/2026 06 PM PDT 57.41 222 - Normal
05/04/2026 07 PM PDT 57.37 216 - Normal
05/04/2026 08 PM PDT 57.34 211 - Normal
05/04/2026 09 PM PDT 57.29 202 - Normal
05/04/2026 10 PM PDT 57.26 198 - Normal
05/04/2026 11 PM PDT 57.23 193 - Normal
05/05/2026 12 AM PDT 57.22 191 - Normal
05/05/2026 01 AM PDT 57.23 193 + Normal
05/05/2026 02 AM PDT 57.21 189 - Normal
05/05/2026 03 AM PDT 57.21 189 0 Normal
05/05/2026 04 AM PDT 57.21 189 0 Normal
05/05/2026 05 AM PDT 57.20 188 - Normal
05/05/2026 06 AM PDT 57.19 186 - Normal
05/05/2026 07 AM PDT 57.17 183 - Normal
05/05/2026 08 AM PDT 57.16 182 - Normal
05/05/2026 09 AM PDT 57.16 182 0 Normal
05/05/2026 10 AM PDT 57.15 180 - Normal
05/05/2026 11 AM PDT 57.16 182 + Normal
05/05/2026 12 PM PDT 57.15 180 - Normal
05/05/2026 01 PM PDT 57.16 182 + Normal
05/05/2026 02 PM PDT 57.16 182 0 Normal
05/05/2026 03 PM PDT 57.17 183 + Normal
05/05/2026 04 PM PDT 57.15 180 - Normal
05/05/2026 05 PM PDT 57.14 179 - Normal
05/05/2026 06 PM PDT 57.13 178 - Normal
05/05/2026 07 PM PDT 57.11 176 - Normal
05/05/2026 08 PM PDT 57.09 174 - Normal
05/05/2026 09 PM PDT 57.07 172 - Normal
05/05/2026 10 PM PDT 57.05 170 - Normal
05/05/2026 11 PM PDT 57.04 169 - Normal
05/06/2026 12 AM PDT 57.03 168 - Normal
05/06/2026 01 AM PDT 57.02 167 - Normal
05/06/2026 02 AM PDT 57.02 167 0 Normal
05/06/2026 03 AM PDT 57.02 167 0 Normal
05/06/2026 04 AM PDT 57.03 168 + Normal
05/06/2026 05 AM PDT 57.04 169 + Normal
05/06/2026 06 AM PDT 57.05 170 + Normal
05/06/2026 07 AM PDT 57.06 171 + Normal
05/06/2026 08 AM PDT 57.06 171 0 Normal
05/06/2026 09 AM PDT 57.06 171 0 Normal
05/06/2026 10 AM PDT 57.06 171 0 Normal
05/06/2026 11 AM PDT 57.04 169 - Normal
05/06/2026 12 PM PDT 57.04 169 0 Normal
05/06/2026 01 PM PDT 57.03 168 - Normal
05/06/2026 02 PM PDT 57.03 168 0 Normal
05/06/2026 03 PM PDT 57.02 167 - Normal
05/06/2026 04 PM PDT 57.02 167 0 Normal
05/06/2026 05 PM PDT 57.02 167 0 Normal
05/06/2026 06 PM PDT 57.03 168 + Normal
05/06/2026 07 PM PDT 57.03 168 0 Normal
05/06/2026 08 PM PDT 57.02 167 - Normal
05/06/2026 09 PM PDT 57.01 166 - Normal
05/06/2026 10 PM PDT 57.00 165 - Normal
05/06/2026 11 PM PDT 57.00 165 0 Normal
05/07/2026 12 AM PDT 57.00 165 0 Normal
05/07/2026 01 AM PDT 57.00 165 0 Normal
05/07/2026 02 AM PDT 57.00 165 0 Normal
05/07/2026 03 AM PDT 57.00 165 0 Normal
05/07/2026 04 AM PDT 56.99 164 - Normal
05/07/2026 05 AM PDT 56.99 164 0 Normal
05/07/2026 06 AM PDT 56.99 164 0 Normal
05/07/2026 07 AM PDT 56.98 163 - Normal
05/07/2026 08 AM PDT 56.98 163 0 Normal
05/07/2026 09 AM PDT 56.98 163 0 Normal
05/07/2026 10 AM PDT 56.99 164 + Normal
05/07/2026 11 AM PDT 56.99 164 0 Normal
05/07/2026 12 PM PDT 56.99 164 0 Normal
05/07/2026 01 PM PDT 57.00 165 + Normal
05/07/2026 02 PM PDT 57.01 166 + Normal
05/07/2026 03 PM PDT 57.03 168 + Normal
05/07/2026 04 PM PDT 57.06 171 + Normal
05/07/2026 05 PM PDT 57.06 171 0 Normal
05/07/2026 06 PM PDT 57.09 174 + Normal
05/07/2026 07 PM PDT 57.10 175 + Normal
05/07/2026 08 PM PDT 57.11 176 + Normal
05/07/2026 09 PM PDT 57.12 177 + Normal
05/07/2026 10 PM PDT 57.11 176 - Normal
05/07/2026 11 PM PDT 57.11 176 0 Normal
05/08/2026 12 AM PDT 57.11 176 0 Normal
05/08/2026 01 AM PDT 57.11 176 0 Normal
05/08/2026 02 AM PDT 57.11 176 0 Normal
05/08/2026 03 AM PDT 57.10 175 - Normal
05/08/2026 04 AM PDT 57.10 175 0 Normal
05/08/2026 05 AM PDT 57.09 174 - Normal
05/08/2026 06 AM PDT 57.07 172 - Normal
05/08/2026 07 AM PDT 57.04 169 - Normal
05/08/2026 08 AM PDT 57.02 167 - Normal
05/08/2026 09 AM PDT 57.06 171 + Normal
05/08/2026 10 AM PDT 57.07 172 + Normal
05/08/2026 11 AM PDT 57.07 172 0 Normal
05/08/2026 12 PM PDT 57.01 166 - Normal
05/08/2026 01 PM PDT 57.02 167 + Normal
05/08/2026 02 PM PDT 57.00 165 - Normal
05/08/2026 03 PM PDT 56.99 164 - Normal
05/08/2026 04 PM PDT 56.98 163 - Normal
05/08/2026 05 PM PDT 56.98 163 0 Normal
05/08/2026 06 PM PDT 56.96 162 - Normal
05/08/2026 07 PM PDT 56.95 161 - Normal
05/08/2026 08 PM PDT 56.94 160 - Normal
05/08/2026 09 PM PDT 56.94 160 0 Normal
05/08/2026 10 PM PDT 56.95 161 + Normal
05/08/2026 11 PM PDT 56.94 160 - Normal
05/09/2026 12 AM PDT 56.95 161 + Normal
05/09/2026 01 AM PDT 56.96 162 + Normal
05/09/2026 02 AM PDT 56.98 163 + Normal
05/09/2026 03 AM PDT 57.00 165 + Normal
05/09/2026 04 AM PDT 57.01 166 + Normal
05/09/2026 05 AM PDT 57.01 166 0 Normal
05/09/2026 06 AM PDT 57.02 167 + Normal
05/09/2026 07 AM PDT 57.01 166 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/09/2026 08 AM PDT 57.01 166 Normal
05/09/2026 09 AM PDT 57.00 165 - Normal
05/09/2026 10 AM PDT 57.00 165 0 Normal
05/09/2026 11 AM PDT 57.01 166 + Normal
05/09/2026 12 PM PDT 57.01 166 0 Normal
05/09/2026 01 PM PDT 57.02 167 + Normal
05/09/2026 02 PM PDT 57.02 167 0 Normal
05/09/2026 03 PM PDT 57.02 167 0 Normal
05/09/2026 04 PM PDT 57.03 168 + Normal
05/09/2026 05 PM PDT 57.04 169 + Normal
05/09/2026 06 PM PDT 57.04 169 0 Normal
05/09/2026 07 PM PDT 57.05 170 + Normal
05/09/2026 08 PM PDT 57.05 170 0 Normal
05/09/2026 09 PM PDT 57.06 171 + Normal
05/09/2026 10 PM PDT 57.06 171 0 Normal
05/09/2026 11 PM PDT 57.07 172 + Normal
05/10/2026 12 AM PDT 57.07 172 0 Normal
05/10/2026 01 AM PDT 57.08 173 + Normal
05/10/2026 02 AM PDT 57.08 173 0 Normal
05/10/2026 03 AM PDT 57.09 174 + Normal
05/10/2026 04 AM PDT 57.09 174 0 Normal
05/10/2026 05 AM PDT 57.09 174 0 Normal
05/10/2026 06 AM PDT 57.10 175 + Normal
05/10/2026 07 AM PDT 57.10 175 0 Normal
05/10/2026 08 AM PDT 57.11 176 + Normal
05/10/2026 09 AM PDT 57.11 176 0 Normal
05/10/2026 10 AM PDT 57.11 176 0 Normal
05/10/2026 11 AM PDT 57.12 177 + Normal
05/10/2026 12 PM PDT 57.12 177 0 Normal
05/10/2026 01 PM PDT 57.12 177 0 Normal
05/10/2026 02 PM PDT 57.13 178 + Normal
05/10/2026 03 PM PDT 57.13 178 0 Normal
05/10/2026 04 PM PDT 57.13 178 0 Normal
05/10/2026 05 PM PDT 57.13 178 0 Normal
05/10/2026 06 PM PDT 57.14 179 + Normal
05/10/2026 07 PM PDT 57.14 179 0 Normal
05/10/2026 08 PM PDT 57.14 179 0 Normal
05/10/2026 09 PM PDT 57.14 179 0 Normal
05/10/2026 10 PM PDT 57.15 180 + Normal
05/10/2026 11 PM PDT 57.15 180 0 Normal
05/11/2026 12 AM PDT 57.15 180 0 Normal
05/11/2026 01 AM PDT 57.15 180 0 Normal
05/11/2026 02 AM PDT 57.15 180 0 Normal
05/11/2026 03 AM PDT 57.15 180 0 Normal
05/11/2026 04 AM PDT 57.15 180 0 Normal
05/11/2026 05 AM PDT 57.15 180 0 Normal
05/11/2026 06 AM PDT 57.15 180 0 Normal
05/11/2026 07 AM PDT 57.15 180 0 Normal
05/11/2026 08 AM PDT 57.15 180 0 Normal
05/11/2026 09 AM PDT 57.16 182 + Normal
05/11/2026 10 AM PDT 57.16 182 0 Normal
05/11/2026 11 AM PDT 57.16 182 0 Normal
05/11/2026 12 PM PDT 57.16 182 0 Normal
05/11/2026 01 PM PDT 57.16 182 0 Normal
05/11/2026 02 PM PDT 57.16 182 0 Normal
05/11/2026 03 PM PDT 57.16 182 0 Normal
05/11/2026 04 PM PDT 57.16 182 0 Normal
05/11/2026 05 PM PDT 57.16 182 0 Normal
05/11/2026 06 PM PDT 57.16 182 0 Normal
05/11/2026 07 PM PDT 57.16 182 0 Normal
05/11/2026 08 PM PDT 57.16 182 0 Normal
05/11/2026 09 PM PDT 57.16 182 0 Normal
05/11/2026 10 PM PDT 57.16 182 0 Normal
05/11/2026 11 PM PDT 57.16 182 0 Normal
05/12/2026 12 AM PDT 57.16 182 0 Normal
05/12/2026 01 AM PDT 57.16 182 0 Normal
05/12/2026 02 AM PDT 57.16 182 0 Normal
05/12/2026 03 AM PDT 57.16 182 0 Normal
05/12/2026 04 AM PDT 57.16 182 0 Normal
05/12/2026 05 AM PDT 57.16 182 0 Normal
05/12/2026 06 AM PDT 57.16 182 0 Normal
05/12/2026 07 AM PDT 57.16 182 0 Normal
05/12/2026 08 AM PDT 57.16 182 0 Normal
05/12/2026 09 AM PDT 57.16 182 0 Normal
05/12/2026 10 AM PDT 57.16 182 0 Normal
05/12/2026 11 AM PDT 57.16 182 0 Normal
05/12/2026 12 PM PDT 57.16 182 0 Normal
05/12/2026 01 PM PDT 57.16 182 0 Normal
05/12/2026 02 PM PDT 57.16 182 0 Normal
05/12/2026 03 PM PDT 57.16 182 0 Normal
05/12/2026 04 PM PDT 57.16 182 0 Normal
05/12/2026 05 PM PDT 57.16 182 0 Normal
05/12/2026 06 PM PDT 57.16 182 0 Normal
05/12/2026 07 PM PDT 57.16 182 0 Normal
05/12/2026 08 PM PDT 57.16 182 0 Normal
05/12/2026 09 PM PDT 57.16 182 0 Normal
05/12/2026 10 PM PDT 57.16 182 0 Normal
05/12/2026 11 PM PDT 57.16 182 0 Normal
05/13/2026 12 AM PDT 57.16 182 0 Normal
05/13/2026 01 AM PDT 57.16 182 0 Normal
05/13/2026 02 AM PDT 57.16 182 0 Normal
05/13/2026 03 AM PDT 57.16 182 0 Normal
05/13/2026 04 AM PDT 57.16 182 0 Normal
05/13/2026 05 AM PDT 57.16 182 0 Normal
05/13/2026 06 AM PDT 57.16 182 0 Normal
05/13/2026 07 AM PDT 57.16 182 0 Normal
05/13/2026 08 AM PDT 57.16 182 0 Normal
05/13/2026 09 AM PDT 57.16 182 0 Normal
05/13/2026 10 AM PDT 57.16 182 0 Normal
05/13/2026 11 AM PDT 57.16 182 0 Normal
05/13/2026 12 PM PDT 57.16 182 0 Normal
05/13/2026 01 PM PDT 57.16 182 0 Normal
05/13/2026 02 PM PDT 57.16 182 0 Normal
05/13/2026 03 PM PDT 57.16 182 0 Normal
05/13/2026 04 PM PDT 57.16 182 0 Normal
05/13/2026 05 PM PDT 57.16 182 0 Normal
05/13/2026 06 PM PDT 57.16 182 0 Normal
05/13/2026 07 PM PDT 57.16 182 0 Normal
05/13/2026 08 PM PDT 57.16 182 0 Normal
05/13/2026 09 PM PDT 57.16 182 0 Normal
05/13/2026 10 PM PDT 57.16 182 0 Normal
05/13/2026 11 PM PDT 57.16 182 0 Normal
05/14/2026 12 AM PDT 57.16 182 0 Normal
05/14/2026 01 AM PDT 57.16 182 0 Normal
05/14/2026 02 AM PDT 57.16 182 0 Normal
05/14/2026 03 AM PDT 57.16 182 0 Normal
05/14/2026 04 AM PDT 57.16 182 0 Normal
05/14/2026 05 AM PDT 57.16 182 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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