# Tabular Observed and Forecast Hydrograph Information # # Location: Napa River - Saint Helena (SHEC1) # # File Generation Time: 04/07/2026 at 01:54 PM PDT # Data Interval: 1 Hour # # Most Recent Date & Time of Maximum Observed: 04/02/2026 at 02:00 PM PDT # Maximum Observed Stage: 1.86 Feet # Maximum Observed Flow: 23 cfs # # Earliest Date & Time of Maximum Forecast: 04/10/2026 at 09:00 PM PDT # Maximum Forecast Stage: 1.83 Feet # Maximum Forecast Flow: 20 cfs # # OBSERVED # # Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status # --------------------------------------------------------------------------------- 04/02/2026 01 PM PDT 1.86 23 Normal 04/02/2026 02 PM PDT 1.86 23 0 Normal 04/02/2026 03 PM PDT 1.85 22 - Normal 04/02/2026 04 PM PDT 1.85 22 0 Normal 04/02/2026 05 PM PDT 1.85 22 0 Normal 04/02/2026 06 PM PDT 1.85 22 0 Normal 04/02/2026 07 PM PDT 1.84 21 - Normal 04/02/2026 08 PM PDT 1.84 21 0 Normal 04/02/2026 09 PM PDT 1.84 21 0 Normal 04/02/2026 10 PM PDT 1.84 21 0 Normal 04/02/2026 11 PM PDT 1.84 21 0 Normal 04/03/2026 12 AM PDT 1.84 21 0 Normal 04/03/2026 01 AM PDT 1.84 21 0 Normal 04/03/2026 02 AM PDT 1.83 20 - Normal 04/03/2026 03 AM PDT 1.83 20 0 Normal 04/03/2026 04 AM PDT 1.83 20 0 Normal 04/03/2026 05 AM PDT 1.83 20 0 Normal 04/03/2026 06 AM PDT 1.83 20 0 Normal 04/03/2026 07 AM PDT 1.83 20 0 Normal 04/03/2026 08 AM PDT 1.83 20 0 Normal 04/03/2026 09 AM PDT 1.83 20 0 Normal 04/03/2026 10 AM PDT 1.83 20 0 Normal 04/03/2026 11 AM PDT 1.83 20 0 Normal 04/03/2026 12 PM PDT 1.82 19 - Normal 04/03/2026 01 PM PDT 1.82 19 0 Normal 04/03/2026 02 PM PDT 1.82 19 0 Normal 04/03/2026 03 PM PDT 1.82 19 0 Normal 04/03/2026 04 PM PDT 1.82 19 0 Normal 04/03/2026 05 PM PDT 1.82 19 0 Normal 04/03/2026 06 PM PDT 1.82 19 0 Normal 04/03/2026 07 PM PDT 1.82 19 0 Normal 04/03/2026 08 PM PDT 1.81 18 - Normal 04/03/2026 09 PM PDT 1.81 18 0 Normal 04/03/2026 10 PM PDT 1.81 18 0 Normal 04/03/2026 11 PM PDT 1.81 18 0 Normal 04/04/2026 12 AM PDT 1.81 18 0 Normal 04/04/2026 01 AM PDT 1.81 18 0 Normal 04/04/2026 02 AM PDT 1.81 18 0 Normal 04/04/2026 03 AM PDT 1.80 17 - Normal 04/04/2026 04 AM PDT 1.80 17 0 Normal 04/04/2026 05 AM PDT 1.80 17 0 Normal 04/04/2026 06 AM PDT 1.80 17 0 Normal 04/04/2026 07 AM PDT 1.80 17 0 Normal 04/04/2026 08 AM PDT 1.81 18 + Normal 04/04/2026 09 AM PDT 1.81 18 0 Normal 04/04/2026 10 AM PDT 1.81 18 0 Normal 04/04/2026 11 AM PDT 1.82 19 + Normal 04/04/2026 12 PM PDT 1.82 19 0 Normal 04/04/2026 01 PM PDT 1.81 18 - Normal 04/04/2026 02 PM PDT 1.81 18 0 Normal 04/04/2026 03 PM PDT 1.81 18 0 Normal 04/04/2026 04 PM PDT 1.81 18 0 Normal 04/04/2026 05 PM PDT 1.81 18 0 Normal 04/04/2026 06 PM PDT 1.81 18 0 Normal 04/04/2026 07 PM PDT 1.81 18 0 Normal 04/04/2026 08 PM PDT 1.81 18 0 Normal 04/04/2026 09 PM PDT 1.81 18 0 Normal 04/04/2026 10 PM PDT 1.80 17 - Normal 04/04/2026 11 PM PDT 1.80 17 0 Normal 04/05/2026 12 AM PDT 1.80 17 0 Normal 04/05/2026 01 AM PDT 1.80 17 0 Normal 04/05/2026 02 AM PDT 1.80 17 0 Normal 04/05/2026 03 AM PDT 1.80 17 0 Normal 04/05/2026 04 AM PDT 1.80 17 0 Normal 04/05/2026 05 AM PDT 1.80 17 0 Normal 04/05/2026 06 AM PDT 1.80 17 0 Normal 04/05/2026 07 AM PDT 1.80 17 0 Normal 04/05/2026 08 AM PDT 1.80 17 0 Normal 04/05/2026 09 AM PDT 1.80 17 0 Normal 04/05/2026 10 AM PDT 1.80 17 0 Normal 04/05/2026 11 AM PDT 1.80 17 0 Normal 04/05/2026 12 PM PDT 1.80 17 0 Normal 04/05/2026 01 PM PDT 1.80 17 0 Normal 04/05/2026 02 PM PDT 1.80 17 0 Normal 04/05/2026 03 PM PDT 1.80 17 0 Normal 04/05/2026 04 PM PDT 1.80 17 0 Normal 04/05/2026 05 PM PDT 1.80 17 0 Normal 04/05/2026 06 PM PDT 1.81 18 + Normal 04/05/2026 07 PM PDT 1.80 17 - Normal 04/05/2026 08 PM PDT 1.80 17 0 Normal 04/05/2026 09 PM PDT 1.80 17 0 Normal 04/05/2026 10 PM PDT 1.80 17 0 Normal 04/05/2026 11 PM PDT 1.80 17 0 Normal 04/06/2026 12 AM PDT 1.80 17 0 Normal 04/06/2026 01 AM PDT 1.80 17 0 Normal 04/06/2026 02 AM PDT 1.79 16 - Normal 04/06/2026 03 AM PDT 1.79 16 0 Normal 04/06/2026 04 AM PDT 1.79 16 0 Normal 04/06/2026 05 AM PDT 1.79 16 0 Normal 04/06/2026 06 AM PDT 1.79 16 0 Normal 04/06/2026 07 AM PDT 1.79 16 0 Normal 04/06/2026 08 AM PDT 1.79 16 0 Normal 04/06/2026 09 AM PDT 1.79 16 0 Normal 04/06/2026 10 AM PDT 1.79 16 0 Normal 04/06/2026 11 AM PDT 1.79 16 0 Normal 04/06/2026 12 PM PDT 1.79 16 0 Normal 04/06/2026 01 PM PDT 1.79 16 0 Normal 04/06/2026 02 PM PDT 1.79 16 0 Normal 04/06/2026 03 PM PDT 1.79 16 0 Normal 04/06/2026 04 PM PDT 1.78 15 - Normal 04/06/2026 05 PM PDT 1.78 15 0 Normal 04/06/2026 06 PM PDT 1.78 15 0 Normal 04/06/2026 07 PM PDT 1.78 15 0 Normal 04/06/2026 08 PM PDT 1.78 15 0 Normal 04/06/2026 09 PM PDT 1.78 15 0 Normal 04/06/2026 10 PM PDT 1.78 15 0 Normal 04/06/2026 11 PM PDT 1.78 15 0 Normal 04/07/2026 12 AM PDT 1.78 15 0 Normal 04/07/2026 01 AM PDT 1.78 15 0 Normal 04/07/2026 02 AM PDT 1.78 15 0 Normal 04/07/2026 03 AM PDT 1.78 15 0 Normal 04/07/2026 04 AM PDT 1.78 15 0 Normal 04/07/2026 05 AM PDT 1.78 15 0 Normal 04/07/2026 06 AM PDT 1.78 15 0 Normal 04/07/2026 07 AM PDT 1.78 15 0 Normal 04/07/2026 08 AM PDT 1.78 15 0 Normal 04/07/2026 09 AM PDT 1.78 15 0 Normal 04/07/2026 10 AM PDT 1.78 15 0 Normal 04/07/2026 11 AM PDT 1.78 15 0 Normal 04/07/2026 12 PM PDT 1.78 15 0 Normal 04/07/2026 01 PM PDT 1.78 15 0 Normal # # FORECAST # # Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status # --------------------------------------------------------------------------------- 04/07/2026 02 PM PDT 1.78 15 Normal 04/07/2026 03 PM PDT 1.78 15 0 Normal 04/07/2026 04 PM PDT 1.78 15 0 Normal 04/07/2026 05 PM PDT 1.78 15 0 Normal 04/07/2026 06 PM PDT 1.78 15 0 Normal 04/07/2026 07 PM PDT 1.78 15 0 Normal 04/07/2026 08 PM PDT 1.78 15 0 Normal 04/07/2026 09 PM PDT 1.78 15 0 Normal 04/07/2026 10 PM PDT 1.78 15 0 Normal 04/07/2026 11 PM PDT 1.78 15 0 Normal 04/08/2026 12 AM PDT 1.78 15 0 Normal 04/08/2026 01 AM PDT 1.78 15 0 Normal 04/08/2026 02 AM PDT 1.78 15 0 Normal 04/08/2026 03 AM PDT 1.78 15 0 Normal 04/08/2026 04 AM PDT 1.78 15 0 Normal 04/08/2026 05 AM PDT 1.78 15 0 Normal 04/08/2026 06 AM PDT 1.78 15 0 Normal 04/08/2026 07 AM PDT 1.78 15 0 Normal 04/08/2026 08 AM PDT 1.78 15 0 Normal 04/08/2026 09 AM PDT 1.78 15 0 Normal 04/08/2026 10 AM PDT 1.78 15 0 Normal 04/08/2026 11 AM PDT 1.78 15 0 Normal 04/08/2026 12 PM PDT 1.78 15 0 Normal 04/08/2026 01 PM PDT 1.77 14 - Normal 04/08/2026 02 PM PDT 1.77 14 0 Normal 04/08/2026 03 PM PDT 1.77 14 0 Normal 04/08/2026 04 PM PDT 1.77 14 0 Normal 04/08/2026 05 PM PDT 1.77 14 0 Normal 04/08/2026 06 PM PDT 1.77 14 0 Normal 04/08/2026 07 PM PDT 1.77 14 0 Normal 04/08/2026 08 PM PDT 1.77 14 0 Normal 04/08/2026 09 PM PDT 1.77 14 0 Normal 04/08/2026 10 PM PDT 1.77 14 0 Normal 04/08/2026 11 PM PDT 1.77 14 0 Normal 04/09/2026 12 AM PDT 1.77 14 0 Normal 04/09/2026 01 AM PDT 1.77 14 0 Normal 04/09/2026 02 AM PDT 1.77 14 0 Normal 04/09/2026 03 AM PDT 1.77 14 0 Normal 04/09/2026 04 AM PDT 1.77 14 0 Normal 04/09/2026 05 AM PDT 1.77 14 0 Normal 04/09/2026 06 AM PDT 1.77 14 0 Normal 04/09/2026 07 AM PDT 1.77 14 0 Normal 04/09/2026 08 AM PDT 1.77 14 0 Normal 04/09/2026 09 AM PDT 1.77 14 0 Normal 04/09/2026 10 AM PDT 1.77 14 0 Normal 04/09/2026 11 AM PDT 1.77 14 0 Normal 04/09/2026 12 PM PDT 1.77 14 0 Normal 04/09/2026 01 PM PDT 1.77 14 0 Normal 04/09/2026 02 PM PDT 1.77 14 0 Normal 04/09/2026 03 PM PDT 1.77 14 0 Normal 04/09/2026 04 PM PDT 1.77 14 0 Normal 04/09/2026 05 PM PDT 1.77 14 0 Normal 04/09/2026 06 PM PDT 1.77 14 0 Normal 04/09/2026 07 PM PDT 1.77 14 0 Normal 04/09/2026 08 PM PDT 1.77 14 0 Normal 04/09/2026 09 PM PDT 1.77 14 0 Normal 04/09/2026 10 PM PDT 1.78 15 + Normal 04/09/2026 11 PM PDT 1.79 16 + Normal 04/10/2026 12 AM PDT 1.80 17 + Normal 04/10/2026 01 AM PDT 1.80 17 0 Normal 04/10/2026 02 AM PDT 1.80 17 0 Normal 04/10/2026 03 AM PDT 1.79 16 - Normal 04/10/2026 04 AM PDT 1.79 16 0 Normal 04/10/2026 05 AM PDT 1.79 16 0 Normal 04/10/2026 06 AM PDT 1.79 16 0 Normal 04/10/2026 07 AM PDT 1.78 15 - Normal 04/10/2026 08 AM PDT 1.78 15 0 Normal 04/10/2026 09 AM PDT 1.78 15 0 Normal 04/10/2026 10 AM PDT 1.78 15 0 Normal 04/10/2026 11 AM PDT 1.78 15 0 Normal 04/10/2026 12 PM PDT 1.78 15 0 Normal 04/10/2026 01 PM PDT 1.78 15 0 Normal 04/10/2026 02 PM PDT 1.78 15 0 Normal 04/10/2026 03 PM PDT 1.79 16 + Normal 04/10/2026 04 PM PDT 1.79 16 0 Normal 04/10/2026 05 PM PDT 1.79 16 0 Normal 04/10/2026 06 PM PDT 1.80 17 + Normal 04/10/2026 07 PM PDT 1.81 18 + Normal 04/10/2026 08 PM PDT 1.82 19 + Normal 04/10/2026 09 PM PDT 1.83 20 + Normal 04/10/2026 10 PM PDT 1.83 20 0 Normal 04/10/2026 11 PM PDT 1.83 20 0 Normal 04/11/2026 12 AM PDT 1.83 20 0 Normal 04/11/2026 01 AM PDT 1.83 20 0 Normal 04/11/2026 02 AM PDT 1.82 19 - Normal 04/11/2026 03 AM PDT 1.82 19 0 Normal 04/11/2026 04 AM PDT 1.81 18 - Normal 04/11/2026 05 AM PDT 1.81 18 0 Normal 04/11/2026 06 AM PDT 1.81 18 0 Normal 04/11/2026 07 AM PDT 1.80 17 - Normal 04/11/2026 08 AM PDT 1.80 17 0 Normal 04/11/2026 09 AM PDT 1.80 17 0 Normal 04/11/2026 10 AM PDT 1.79 16 - Normal 04/11/2026 11 AM PDT 1.79 16 0 Normal 04/11/2026 12 PM PDT 1.79 16 0 Normal 04/11/2026 01 PM PDT 1.80 17 + Normal 04/11/2026 02 PM PDT 1.80 17 0 Normal 04/11/2026 03 PM PDT 1.80 17 0 Normal 04/11/2026 04 PM PDT 1.81 18 + Normal 04/11/2026 05 PM PDT 1.81 18 0 Normal 04/11/2026 06 PM PDT 1.81 18 0 Normal 04/11/2026 07 PM PDT 1.82 19 + Normal 04/11/2026 08 PM PDT 1.82 19 0 Normal 04/11/2026 09 PM PDT 1.83 20 + Normal 04/11/2026 10 PM PDT 1.83 20 0 Normal 04/11/2026 11 PM PDT 1.83 20 0 Normal 04/12/2026 12 AM PDT 1.83 20 0 Normal 04/12/2026 01 AM PDT 1.83 20 0 Normal 04/12/2026 02 AM PDT 1.82 19 - Normal 04/12/2026 03 AM PDT 1.82 19 0 Normal 04/12/2026 04 AM PDT 1.82 19 0 Normal 04/12/2026 05 AM PDT 1.81 18 - 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. |