National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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NAPA RIVER - SAINT HELENA (SHEC1)
Latitude: 38.51º NLongitude: 122.45º WElevation: 195 Feet
Location: Napa County in CaliforniaRiver Group: Russian Napa
Issuance Time: Mar 05 2021 at 7:47 AM PSTNext Issuance: Mar 05 2021 at 3:00 PM PST
Monitor Stage: 16.0 FeetFlood Stage: 18.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Napa River - Saint Helena (SHEC1)
#
# File Generation Time:  03/05/2021 at 07:47 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/28/2021 at 11:00 AM PST
# Maximum Observed Stage:                       0.7 Feet
# Maximum Observed Flow:                        6 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/06/2021 at 12:00 PM PST
# Maximum Forecast Stage:                       1.0 Feet
# Maximum Forecast Flow:                        14 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/28/2021 07 AM PST             0.7              6                        Normal
  02/28/2021 08 AM PST             0.7              6         0              Normal
  02/28/2021 09 AM PST             0.7              6         0              Normal
  02/28/2021 10 AM PST             0.7              6         0              Normal
  02/28/2021 11 AM PST             0.7              6         0              Normal
  02/28/2021 12 PM PST             0.7              5         -              Normal
  02/28/2021 01 PM PST             0.7              5         0              Normal
  02/28/2021 02 PM PST             0.7              5         0              Normal
  02/28/2021 03 PM PST             0.7              5         -              Normal
  02/28/2021 04 PM PST             0.7              5         0              Normal
  02/28/2021 05 PM PST             0.7              5         +              Normal
  02/28/2021 06 PM PST             0.7              5         -              Normal
  02/28/2021 07 PM PST             0.7              5         0              Normal
  02/28/2021 08 PM PST             0.7              5         0              Normal
  02/28/2021 09 PM PST             0.7              5         -              Normal
  02/28/2021 10 PM PST             0.7              5         +              Normal
  02/28/2021 11 PM PST             0.7              5         0              Normal
  03/01/2021 12 AM PST             0.7              5         0              Normal
  03/01/2021 01 AM PST             0.7              5         0              Normal
  03/01/2021 02 AM PST             0.7              5         -              Normal
  03/01/2021 03 AM PST             0.7              5         0              Normal
  03/01/2021 04 AM PST             0.7              5         0              Normal
  03/01/2021 05 AM PST             0.7              5         0              Normal
  03/01/2021 06 AM PST             0.7              5         0              Normal
  03/01/2021 07 AM PST             0.7              5         0              Normal
  03/01/2021 08 AM PST             0.7              5         0              Normal
  03/01/2021 09 AM PST             0.7              5         0              Normal
  03/01/2021 10 AM PST             0.7              5         +              Normal
  03/01/2021 11 AM PST             0.7              5         -              Normal
  03/01/2021 12 PM PST             0.7              5         +              Normal
  03/01/2021 01 PM PST             0.7              5         0              Normal
  03/01/2021 02 PM PST             0.7              5         0              Normal
  03/01/2021 03 PM PST             0.7              5         0              Normal
  03/01/2021 04 PM PST             0.7              5         0              Normal
  03/01/2021 05 PM PST             0.7              5         -              Normal
  03/01/2021 06 PM PST             0.7              5         0              Normal
  03/01/2021 07 PM PST             0.7              5         +              Normal
  03/01/2021 08 PM PST             0.7              5         0              Normal
  03/01/2021 09 PM PST             0.7              5         0              Normal
  03/01/2021 10 PM PST             0.7              5         0              Normal
  03/01/2021 11 PM PST             0.7              5         0              Normal
  03/02/2021 12 AM PST             0.7              5         0              Normal
  03/02/2021 01 AM PST             0.7              5         0              Normal
  03/02/2021 02 AM PST             0.7              5         0              Normal
  03/02/2021 03 AM PST             0.7              5         0              Normal
  03/02/2021 04 AM PST             0.7              5         -              Normal
  03/02/2021 05 AM PST             0.7              4         -              Normal
  03/02/2021 06 AM PST             0.7              4         0              Normal
  03/02/2021 07 AM PST             0.7              4         0              Normal
  03/02/2021 08 AM PST             0.7              5         +              Normal
  03/02/2021 09 AM PST             0.7              4         -              Normal
  03/02/2021 10 AM PST             0.7              4         0              Normal
  03/02/2021 11 AM PST             0.7              4         0              Normal
  03/02/2021 12 PM PST             0.7              5         +              Normal
  03/02/2021 01 PM PST             0.7              4         -              Normal
  03/02/2021 02 PM PST             0.7              4         0              Normal
  03/02/2021 03 PM PST             0.7              4         -              Normal
  03/02/2021 04 PM PST             0.7              4         +              Normal
  03/02/2021 05 PM PST             0.7              4         0              Normal
  03/02/2021 06 PM PST             0.7              4         -              Normal
  03/02/2021 07 PM PST             0.7              4         0              Normal
  03/02/2021 08 PM PST             0.7              4         +              Normal
  03/02/2021 09 PM PST             0.7              5         +              Normal
  03/02/2021 10 PM PST             0.7              5         0              Normal
  03/02/2021 11 PM PST             0.7              5         0              Normal
  03/03/2021 12 AM PST             0.7              5         0              Normal
  03/03/2021 01 AM PST             0.7              5         0              Normal
  03/03/2021 02 AM PST             0.7              5         0              Normal
  03/03/2021 03 AM PST             0.7              5         0              Normal
  03/03/2021 04 AM PST             0.7              5         +              Normal
  03/03/2021 05 AM PST             0.7              5         -              Normal
  03/03/2021 06 AM PST             0.7              5         +              Normal
  03/03/2021 07 AM PST             0.7              5         0              Normal
  03/03/2021 08 AM PST             0.7              5         -              Normal
  03/03/2021 09 AM PST             0.7              5         +              Normal
  03/03/2021 10 AM PST             0.7              5         0              Normal
  03/03/2021 11 AM PST             0.7              5         +              Normal
  03/03/2021 12 PM PST             0.7              5         -              Normal
  03/03/2021 01 PM PST             0.7              5         0              Normal
  03/03/2021 02 PM PST             0.7              5         0              Normal
  03/03/2021 03 PM PST             0.7              5         0              Normal
  03/03/2021 04 PM PST             0.7              5         0              Normal
  03/03/2021 05 PM PST             0.7              5         -              Normal
  03/03/2021 06 PM PST             0.7              5         +              Normal
  03/03/2021 07 PM PST             0.7              5         0              Normal
  03/03/2021 08 PM PST             0.7              5         0              Normal
  03/03/2021 09 PM PST             0.7              5         0              Normal
  03/03/2021 10 PM PST             0.7              5         -              Normal
  03/03/2021 11 PM PST             0.7              5         0              Normal
  03/04/2021 12 AM PST             0.7              5         0              Normal
  03/04/2021 01 AM PST             0.7              5         +              Normal
  03/04/2021 02 AM PST             0.7              4         -              Normal
  03/04/2021 03 AM PST             0.7              4         0              Normal
  03/04/2021 04 AM PST             0.7              4         0              Normal
  03/04/2021 05 AM PST             0.7              4         -              Normal
  03/04/2021 06 AM PST             0.7              4         -              Normal
  03/04/2021 07 AM PST             0.7              4         +              Normal
  03/04/2021 08 AM PST             0.7              4         -              Normal
  03/04/2021 09 AM PST             0.7              4         0              Normal
  03/04/2021 10 AM PST             0.7              4         0              Normal
  03/04/2021 11 AM PST             0.7              4         0              Normal
  03/04/2021 12 PM PST             0.7              4         0              Normal
  03/04/2021 01 PM PST             0.7              4         0              Normal
  03/04/2021 02 PM PST             0.7              4         0              Normal
  03/04/2021 03 PM PST             0.7              4         0              Normal
  03/04/2021 04 PM PST             0.7              3         -              Normal
  03/04/2021 05 PM PST             0.7              3         0              Normal
  03/04/2021 06 PM PST             0.7              3         0              Normal
  03/04/2021 07 PM PST             0.7              3         0              Normal
  03/04/2021 08 PM PST             0.7              3         0              Normal
  03/04/2021 09 PM PST             0.7              3         0              Normal
  03/04/2021 10 PM PST             0.7              3         0              Normal
  03/04/2021 11 PM PST             0.7              3         0              Normal
  03/05/2021 12 AM PST             0.7              4         +              Normal
  03/05/2021 01 AM PST             0.7              4         0              Normal
  03/05/2021 02 AM PST             0.7              3         -              Normal
  03/05/2021 03 AM PST             0.7              3         0              Normal
  03/05/2021 04 AM PST             0.7              3         0              Normal
  03/05/2021 05 AM PST             0.7              3         0              Normal
  03/05/2021 06 AM PST             0.7              3         0              Normal
  03/05/2021 07 AM PST             0.7              3         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/05/2021 08 AM PST             0.7              3                        Normal
  03/05/2021 09 AM PST             0.7              3         0              Normal
  03/05/2021 10 AM PST             0.7              3         0              Normal
  03/05/2021 11 AM PST             0.7              3         0              Normal
  03/05/2021 12 PM PST             0.7              3         0              Normal
  03/05/2021 01 PM PST             0.7              3         0              Normal
  03/05/2021 02 PM PST             0.7              3         0              Normal
  03/05/2021 03 PM PST             0.7              3         0              Normal
  03/05/2021 04 PM PST             0.7              3         0              Normal
  03/05/2021 05 PM PST             0.7              3         0              Normal
  03/05/2021 06 PM PST             0.7              3         0              Normal
  03/05/2021 07 PM PST             0.7              3         0              Normal
  03/05/2021 08 PM PST             0.7              3         0              Normal
  03/05/2021 09 PM PST             0.7              3         0              Normal
  03/05/2021 10 PM PST             0.7              3         0              Normal
  03/05/2021 11 PM PST             0.7              4         +              Normal
  03/06/2021 12 AM PST             0.7              4         +              Normal
  03/06/2021 01 AM PST             0.7              4         +              Normal
  03/06/2021 02 AM PST             0.7              5         +              Normal
  03/06/2021 03 AM PST             0.7              5         +              Normal
  03/06/2021 04 AM PST             0.8              6         +              Normal
  03/06/2021 05 AM PST             0.8              7         +              Normal
  03/06/2021 06 AM PST             0.8              8         +              Normal
  03/06/2021 07 AM PST             0.8              9         +              Normal
  03/06/2021 08 AM PST             0.9             10         +              Normal
  03/06/2021 09 AM PST             0.9             11         +              Normal
  03/06/2021 10 AM PST             0.9             13         +              Normal
  03/06/2021 11 AM PST             0.9             13         +              Normal
  03/06/2021 12 PM PST             1.0             14         +              Normal
  03/06/2021 01 PM PST             1.0             14         0              Normal
  03/06/2021 02 PM PST             0.9             13         -              Normal
  03/06/2021 03 PM PST             0.9             13         -              Normal
  03/06/2021 04 PM PST             0.9             12         -              Normal
  03/06/2021 05 PM PST             0.9             11         -              Normal
  03/06/2021 06 PM PST             0.9             10         -              Normal
  03/06/2021 07 PM PST             0.8              9         -              Normal
  03/06/2021 08 PM PST             0.8              8         -              Normal
  03/06/2021 09 PM PST             0.8              8         -              Normal
  03/06/2021 10 PM PST             0.8              7         -              Normal
  03/06/2021 11 PM PST             0.8              7         -              Normal
  03/07/2021 12 AM PST             0.8              6         -              Normal
  03/07/2021 01 AM PST             0.8              6         -              Normal
  03/07/2021 02 AM PST             0.7              6         -              Normal
  03/07/2021 03 AM PST             0.7              5         -              Normal
  03/07/2021 04 AM PST             0.7              5         -              Normal
  03/07/2021 05 AM PST             0.7              5         0              Normal
  03/07/2021 06 AM PST             0.7              5         -              Normal
  03/07/2021 07 AM PST             0.7              5         0              Normal
  03/07/2021 08 AM PST             0.7              5         -              Normal
  03/07/2021 09 AM PST             0.7              5         0              Normal
  03/07/2021 10 AM PST             0.7              5         0              Normal
  03/07/2021 11 AM PST             0.7              5         0              Normal
  03/07/2021 12 PM PST             0.7              4         -              Normal
  03/07/2021 01 PM PST             0.7              4         0              Normal
  03/07/2021 02 PM PST             0.7              4         0              Normal
  03/07/2021 03 PM PST             0.7              4         0              Normal
  03/07/2021 04 PM PST             0.7              4         0              Normal
  03/07/2021 05 PM PST             0.7              4         0              Normal
  03/07/2021 06 PM PST             0.7              4         0              Normal
  03/07/2021 07 PM PST             0.7              4         0              Normal
  03/07/2021 08 PM PST             0.7              4         0              Normal
  03/07/2021 09 PM PST             0.7              4         0              Normal
  03/07/2021 10 PM PST             0.7              4         0              Normal
  03/07/2021 11 PM PST             0.7              4         0              Normal
  03/08/2021 12 AM PST             0.7              4         0              Normal
  03/08/2021 01 AM PST             0.7              4         0              Normal
  03/08/2021 02 AM PST             0.7              4         0              Normal
  03/08/2021 03 AM PST             0.7              4         0              Normal
  03/08/2021 04 AM PST             0.7              4         0              Normal
  03/08/2021 05 AM PST             0.7              4         0              Normal
  03/08/2021 06 AM PST             0.7              4         0              Normal
  03/08/2021 07 AM PST             0.7              4         0              Normal
  03/08/2021 08 AM PST             0.7              4         0              Normal
  03/08/2021 09 AM PST             0.7              4         0              Normal
  03/08/2021 10 AM PST             0.7              4         0              Normal
  03/08/2021 11 AM PST             0.7              4         0              Normal
  03/08/2021 12 PM PST             0.7              4         0              Normal
  03/08/2021 01 PM PST             0.7              4         0              Normal
  03/08/2021 02 PM PST             0.7              4         0              Normal
  03/08/2021 03 PM PST             0.7              4         0              Normal
  03/08/2021 04 PM PST             0.7              4         0              Normal
  03/08/2021 05 PM PST             0.7              4         0              Normal
  03/08/2021 06 PM PST             0.7              5         +              Normal
  03/08/2021 07 PM PST             0.7              5         0              Normal
  03/08/2021 08 PM PST             0.7              5         +              Normal
  03/08/2021 09 PM PST             0.7              5         +              Normal
  03/08/2021 10 PM PST             0.7              6         +              Normal
  03/08/2021 11 PM PST             0.8              6         +              Normal
  03/09/2021 12 AM PST             0.8              6         +              Normal
  03/09/2021 01 AM PST             0.8              7         +              Normal
  03/09/2021 02 AM PST             0.8              7         0              Normal
  03/09/2021 03 AM PST             0.8              7         +              Normal
  03/09/2021 04 AM PST             0.8              7         +              Normal
  03/09/2021 05 AM PST             0.8              7         0              Normal
  03/09/2021 06 AM PST             0.8              8         +              Normal
  03/09/2021 07 AM PST             0.8              8         0              Normal
  03/09/2021 08 AM PST             0.8              8         0              Normal
  03/09/2021 09 AM PST             0.8              8         0              Normal
  03/09/2021 10 AM PST             0.8              8         0              Normal
  03/09/2021 11 AM PST             0.8              8         0              Normal
  03/09/2021 12 PM PST             0.8              8         +              Normal
  03/09/2021 01 PM PST             0.8              8         0              Normal
  03/09/2021 02 PM PST             0.8              8         +              Normal
  03/09/2021 03 PM PST             0.8              8         0              Normal
  03/09/2021 04 PM PST             0.8              9         +              Normal
  03/09/2021 05 PM PST             0.8              9         +              Normal
  03/09/2021 06 PM PST             0.8              9         +              Normal
  03/09/2021 07 PM PST             0.9             10         +              Normal
  03/09/2021 08 PM PST             0.9             11         +              Normal
  03/09/2021 09 PM PST             0.9             11         +              Normal
  03/09/2021 10 PM PST             0.9             12         +              Normal
  03/09/2021 11 PM PST             0.9             12         +              Normal
  03/10/2021 12 AM PST             0.9             13         +              Normal
  03/10/2021 01 AM PST             0.9             12         -              Normal
  03/10/2021 02 AM PST             0.9             12         0              Normal
  03/10/2021 03 AM PST             0.9             11         -              Normal
  03/10/2021 04 AM PST             0.9             11         -              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.