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NAPA RIVER - SAINT HELENA (SHEC1)
Latitude: 38.51º N | Longitude: 122.45º W | Elevation: 195 Feet | | | |
Location: Napa County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
Issuance Time: | Apr 25 2024 at 8:09 AM PDT | Next Issuance: | Apr 26 2024 at 9:00 AM PDT
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Monitor Stage: 16.0 Feet | Flood Stage: 18.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Napa River - Saint Helena (SHEC1)
#
# File Generation Time: 04/25/2024 at 08:09 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/20/2024 at 08:00 AM PDT
# Maximum Observed Stage: 1.8 Feet
# Maximum Observed Flow: 53 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/25/2024 at 09:00 AM PDT
# Maximum Forecast Stage: 1.7 Feet
# Maximum Forecast Flow: 39 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/20/2024 08 AM PDT 1.8 53 Normal
04/20/2024 09 AM PDT 1.8 52 - Normal
04/20/2024 10 AM PDT 1.8 52 0 Normal
04/20/2024 11 AM PDT 1.8 52 0 Normal
04/20/2024 12 PM PDT 1.8 52 0 Normal
04/20/2024 01 PM PDT 1.8 52 0 Normal
04/20/2024 02 PM PDT 1.8 51 - Normal
04/20/2024 03 PM PDT 1.8 51 0 Normal
04/20/2024 04 PM PDT 1.8 51 0 Normal
04/20/2024 05 PM PDT 1.8 49 - Normal
04/20/2024 06 PM PDT 1.8 51 + Normal
04/20/2024 07 PM PDT 1.7 48 - Normal
04/20/2024 08 PM PDT 1.8 49 + Normal
04/20/2024 09 PM PDT 1.7 48 - Normal
04/20/2024 10 PM PDT 1.7 48 0 Normal
04/20/2024 11 PM PDT 1.7 48 0 Normal
04/21/2024 12 AM PDT 1.8 49 + Normal
04/21/2024 01 AM PDT 1.8 49 0 Normal
04/21/2024 02 AM PDT 1.7 48 - Normal
04/21/2024 03 AM PDT 1.8 49 + Normal
04/21/2024 04 AM PDT 1.7 48 - Normal
04/21/2024 05 AM PDT 1.8 49 + Normal
04/21/2024 06 AM PDT 1.7 48 - Normal
04/21/2024 07 AM PDT 1.8 49 + Normal
04/21/2024 08 AM PDT 1.8 51 + Normal
04/21/2024 09 AM PDT 1.7 48 - Normal
04/21/2024 10 AM PDT 1.7 48 0 Normal
04/21/2024 11 AM PDT 1.7 48 0 Normal
04/21/2024 12 PM PDT 1.7 48 0 Normal
04/21/2024 01 PM PDT 1.7 48 0 Normal
04/21/2024 02 PM PDT 1.7 48 0 Normal
04/21/2024 03 PM PDT 1.7 48 0 Normal
04/21/2024 04 PM PDT 1.7 48 0 Normal
04/21/2024 05 PM PDT 1.7 48 0 Normal
04/21/2024 06 PM PDT 1.7 48 0 Normal
04/21/2024 07 PM PDT 1.7 47 - Normal
04/21/2024 08 PM PDT 1.7 47 0 Normal
04/21/2024 09 PM PDT 1.7 47 0 Normal
04/21/2024 10 PM PDT 1.7 47 0 Normal
04/21/2024 11 PM PDT 1.7 47 0 Normal
04/22/2024 12 AM PDT 1.7 47 0 Normal
04/22/2024 01 AM PDT 1.7 47 0 Normal
04/22/2024 02 AM PDT 1.7 47 0 Normal
04/22/2024 03 AM PDT 1.7 47 0 Normal
04/22/2024 04 AM PDT 1.7 47 0 Normal
04/22/2024 05 AM PDT 1.7 47 0 Normal
04/22/2024 06 AM PDT 1.7 48 + Normal
04/22/2024 07 AM PDT 1.7 47 - Normal
04/22/2024 08 AM PDT 1.7 47 0 Normal
04/22/2024 09 AM PDT 1.7 47 0 Normal
04/22/2024 10 AM PDT 1.7 47 0 Normal
04/22/2024 11 AM PDT 1.7 47 0 Normal
04/22/2024 12 PM PDT 1.7 47 0 Normal
04/22/2024 01 PM PDT 1.7 46 - Normal
04/22/2024 02 PM PDT 1.7 46 0 Normal
04/22/2024 03 PM PDT 1.7 46 0 Normal
04/22/2024 04 PM PDT 1.7 45 - Normal
04/22/2024 05 PM PDT 1.7 45 0 Normal
04/22/2024 06 PM PDT 1.7 44 - Normal
04/22/2024 07 PM PDT 1.7 43 - Normal
04/22/2024 08 PM PDT 1.7 43 0 Normal
04/22/2024 09 PM PDT 1.7 45 + Normal
04/22/2024 10 PM PDT 1.7 45 0 Normal
04/22/2024 11 PM PDT 1.7 43 - Normal
04/23/2024 12 AM PDT 1.7 44 + Normal
04/23/2024 01 AM PDT 1.7 43 - Normal
04/23/2024 02 AM PDT 1.7 43 0 Normal
04/23/2024 03 AM PDT 1.7 43 0 Normal
04/23/2024 04 AM PDT 1.7 43 0 Normal
04/23/2024 05 AM PDT 1.7 43 0 Normal
04/23/2024 06 AM PDT 1.7 43 0 Normal
04/23/2024 07 AM PDT 1.7 43 0 Normal
04/23/2024 08 AM PDT 1.7 43 0 Normal
04/23/2024 09 AM PDT 1.7 43 0 Normal
04/23/2024 10 AM PDT 1.7 43 0 Normal
04/23/2024 11 AM PDT 1.7 43 0 Normal
04/23/2024 12 PM PDT 1.7 44 + Normal
04/23/2024 01 PM PDT 1.7 43 - Normal
04/23/2024 02 PM PDT 1.7 43 0 Normal
04/23/2024 03 PM PDT 1.7 41 - Normal
04/23/2024 04 PM PDT 1.7 41 0 Normal
04/23/2024 05 PM PDT 1.7 41 0 Normal
04/23/2024 06 PM PDT 1.7 44 + Normal
04/23/2024 07 PM PDT 1.7 43 - Normal
04/23/2024 08 PM PDT 1.7 41 - Normal
04/23/2024 09 PM PDT 1.7 40 - Normal
04/23/2024 10 PM PDT 1.7 41 + Normal
04/23/2024 11 PM PDT 1.7 41 0 Normal
04/24/2024 12 AM PDT 1.7 41 0 Normal
04/24/2024 01 AM PDT 1.7 40 - Normal
04/24/2024 02 AM PDT 1.7 41 + Normal
04/24/2024 03 AM PDT 1.7 41 0 Normal
04/24/2024 04 AM PDT 1.7 40 - Normal
04/24/2024 05 AM PDT 1.7 41 + Normal
04/24/2024 06 AM PDT 1.7 41 0 Normal
04/24/2024 07 AM PDT 1.7 40 - Normal
04/24/2024 08 AM PDT 1.7 40 0 Normal
04/24/2024 09 AM PDT 1.7 40 0 Normal
04/24/2024 10 AM PDT 1.7 41 + Normal
04/24/2024 11 AM PDT 1.7 39 - Normal
04/24/2024 12 PM PDT 1.7 40 + Normal
04/24/2024 01 PM PDT 1.7 40 0 Normal
04/24/2024 02 PM PDT 1.7 40 0 Normal
04/24/2024 03 PM PDT 1.7 39 - Normal
04/24/2024 04 PM PDT 1.7 41 + Normal
04/24/2024 05 PM PDT 1.7 39 - Normal
04/24/2024 06 PM PDT 1.7 39 0 Normal
04/24/2024 07 PM PDT 1.7 39 0 Normal
04/24/2024 08 PM PDT 1.7 40 + Normal
04/24/2024 09 PM PDT 1.7 39 - Normal
04/24/2024 10 PM PDT 1.6 37 - Normal
04/24/2024 11 PM PDT 1.7 40 + Normal
04/25/2024 12 AM PDT 1.6 37 - Normal
04/25/2024 01 AM PDT 1.7 39 + Normal
04/25/2024 02 AM PDT 1.7 39 0 Normal
04/25/2024 03 AM PDT 1.6 37 - Normal
04/25/2024 04 AM PDT 1.7 40 + Normal
04/25/2024 05 AM PDT 1.7 40 0 Normal
04/25/2024 06 AM PDT 1.7 39 - Normal
04/25/2024 07 AM PDT 1.7 39 0 Normal
04/25/2024 08 AM PDT 1.7 39 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/25/2024 09 AM PDT 1.7 39 Normal
04/25/2024 10 AM PDT 1.7 39 0 Normal
04/25/2024 11 AM PDT 1.7 39 0 Normal
04/25/2024 12 PM PDT 1.7 39 0 Normal
04/25/2024 01 PM PDT 1.7 39 0 Normal
04/25/2024 02 PM PDT 1.7 39 0 Normal
04/25/2024 03 PM PDT 1.7 39 0 Normal
04/25/2024 04 PM PDT 1.7 39 0 Normal
04/25/2024 05 PM PDT 1.7 39 0 Normal
04/25/2024 06 PM PDT 1.7 39 0 Normal
04/25/2024 07 PM PDT 1.7 39 0 Normal
04/25/2024 08 PM PDT 1.7 39 0 Normal
04/25/2024 09 PM PDT 1.6 37 - Normal
04/25/2024 10 PM PDT 1.6 37 0 Normal
04/25/2024 11 PM PDT 1.6 37 0 Normal
04/26/2024 12 AM PDT 1.6 37 0 Normal
04/26/2024 01 AM PDT 1.6 37 0 Normal
04/26/2024 02 AM PDT 1.6 37 0 Normal
04/26/2024 03 AM PDT 1.6 37 0 Normal
04/26/2024 04 AM PDT 1.6 37 0 Normal
04/26/2024 05 AM PDT 1.6 37 0 Normal
04/26/2024 06 AM PDT 1.6 37 0 Normal
04/26/2024 07 AM PDT 1.6 37 0 Normal
04/26/2024 08 AM PDT 1.6 37 0 Normal
04/26/2024 09 AM PDT 1.6 37 0 Normal
04/26/2024 10 AM PDT 1.6 37 0 Normal
04/26/2024 11 AM PDT 1.6 37 0 Normal
04/26/2024 12 PM PDT 1.6 37 0 Normal
04/26/2024 01 PM PDT 1.6 37 0 Normal
04/26/2024 02 PM PDT 1.6 37 0 Normal
04/26/2024 03 PM PDT 1.6 37 0 Normal
04/26/2024 04 PM PDT 1.6 37 0 Normal
04/26/2024 05 PM PDT 1.6 37 0 Normal
04/26/2024 06 PM PDT 1.6 37 0 Normal
04/26/2024 07 PM PDT 1.6 37 0 Normal
04/26/2024 08 PM PDT 1.6 37 0 Normal
04/26/2024 09 PM PDT 1.6 37 0 Normal
04/26/2024 10 PM PDT 1.6 37 0 Normal
04/26/2024 11 PM PDT 1.6 37 0 Normal
04/27/2024 12 AM PDT 1.6 37 0 Normal
04/27/2024 01 AM PDT 1.6 37 0 Normal
04/27/2024 02 AM PDT 1.6 37 0 Normal
04/27/2024 03 AM PDT 1.6 37 0 Normal
04/27/2024 04 AM PDT 1.6 37 0 Normal
04/27/2024 05 AM PDT 1.6 37 0 Normal
04/27/2024 06 AM PDT 1.6 37 0 Normal
04/27/2024 07 AM PDT 1.6 36 - Normal
04/27/2024 08 AM PDT 1.6 36 0 Normal
04/27/2024 09 AM PDT 1.6 36 0 Normal
04/27/2024 10 AM PDT 1.6 36 0 Normal
04/27/2024 11 AM PDT 1.6 36 0 Normal
04/27/2024 12 PM PDT 1.6 36 0 Normal
04/27/2024 01 PM PDT 1.6 36 0 Normal
04/27/2024 02 PM PDT 1.6 36 0 Normal
04/27/2024 03 PM PDT 1.6 36 0 Normal
04/27/2024 04 PM PDT 1.6 36 0 Normal
04/27/2024 05 PM PDT 1.6 36 0 Normal
04/27/2024 06 PM PDT 1.6 36 0 Normal
04/27/2024 07 PM PDT 1.6 36 0 Normal
04/27/2024 08 PM PDT 1.6 36 0 Normal
04/27/2024 09 PM PDT 1.6 36 0 Normal
04/27/2024 10 PM PDT 1.6 36 0 Normal
04/27/2024 11 PM PDT 1.6 36 0 Normal
04/28/2024 12 AM PDT 1.6 36 0 Normal
04/28/2024 01 AM PDT 1.6 36 0 Normal
04/28/2024 02 AM PDT 1.6 36 0 Normal
04/28/2024 03 AM PDT 1.6 36 0 Normal
04/28/2024 04 AM PDT 1.6 36 0 Normal
04/28/2024 05 AM PDT 1.6 36 0 Normal
04/28/2024 06 AM PDT 1.6 36 0 Normal
04/28/2024 07 AM PDT 1.6 36 0 Normal
04/28/2024 08 AM PDT 1.6 36 0 Normal
04/28/2024 09 AM PDT 1.6 36 0 Normal
04/28/2024 10 AM PDT 1.6 35 - Normal
04/28/2024 11 AM PDT 1.6 35 0 Normal
04/28/2024 12 PM PDT 1.6 35 0 Normal
04/28/2024 01 PM PDT 1.6 35 0 Normal
04/28/2024 02 PM PDT 1.6 35 0 Normal
04/28/2024 03 PM PDT 1.6 35 0 Normal
04/28/2024 04 PM PDT 1.6 35 0 Normal
04/28/2024 05 PM PDT 1.6 35 0 Normal
04/28/2024 06 PM PDT 1.6 35 0 Normal
04/28/2024 07 PM PDT 1.6 35 0 Normal
04/28/2024 08 PM PDT 1.6 35 0 Normal
04/28/2024 09 PM PDT 1.6 35 0 Normal
04/28/2024 10 PM PDT 1.6 35 0 Normal
04/28/2024 11 PM PDT 1.6 35 0 Normal
04/29/2024 12 AM PDT 1.6 35 0 Normal
04/29/2024 01 AM PDT 1.6 35 0 Normal
04/29/2024 02 AM PDT 1.6 35 0 Normal
04/29/2024 03 AM PDT 1.6 35 0 Normal
04/29/2024 04 AM PDT 1.6 35 0 Normal
04/29/2024 05 AM PDT 1.6 35 0 Normal
04/29/2024 06 AM PDT 1.6 35 0 Normal
04/29/2024 07 AM PDT 1.6 35 0 Normal
04/29/2024 08 AM PDT 1.6 35 0 Normal
04/29/2024 09 AM PDT 1.6 35 0 Normal
04/29/2024 10 AM PDT 1.6 35 0 Normal
04/29/2024 11 AM PDT 1.6 35 0 Normal
04/29/2024 12 PM PDT 1.6 35 0 Normal
04/29/2024 01 PM PDT 1.6 35 0 Normal
04/29/2024 02 PM PDT 1.6 35 0 Normal
04/29/2024 03 PM PDT 1.6 35 0 Normal
04/29/2024 04 PM PDT 1.6 34 - Normal
04/29/2024 05 PM PDT 1.6 34 0 Normal
04/29/2024 06 PM PDT 1.6 34 0 Normal
04/29/2024 07 PM PDT 1.6 34 0 Normal
04/29/2024 08 PM PDT 1.6 34 0 Normal
04/29/2024 09 PM PDT 1.6 34 0 Normal
04/29/2024 10 PM PDT 1.6 34 0 Normal
04/29/2024 11 PM PDT 1.6 34 0 Normal
04/30/2024 12 AM PDT 1.6 34 0 Normal
04/30/2024 01 AM PDT 1.6 34 0 Normal
04/30/2024 02 AM PDT 1.6 34 0 Normal
04/30/2024 03 AM PDT 1.6 34 0 Normal
04/30/2024 04 AM PDT 1.6 34 0 Normal
04/30/2024 05 AM PDT 1.6 34 0 Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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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