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

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SAN LORENZO CREEK - HAYWARD (LRZC1)
Latitude: 37.69º NLongitude: 122.06º WElevation: 133 Feet
Location: Alameda County in CaliforniaRiver Group: Central Coast
Issuance Time: May 26 2021 at 7:59 AM PDTNext Issuance: May 27 2021 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo Creek - Hayward (LRZC1)
#
# File Generation Time:  05/26/2021 at 08:00 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/26/2021 at 04:00 AM PDT
# Maximum Observed Stage:                       2.2 Feet
# Maximum Observed Flow:                        1 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/26/2021 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.2 Feet
# Maximum Forecast Flow:                        1 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/21/2021 08 AM PDT             2.2              1                Not Applicable
  05/21/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/21/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/21/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/21/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/21/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/21/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/21/2021 03 PM PDT             2.1              0         -      Not Applicable
  05/21/2021 04 PM PDT             2.2              1         +      Not Applicable
  05/21/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/21/2021 06 PM PDT             2.1              0         -      Not Applicable
  05/21/2021 07 PM PDT             2.2              1         +      Not Applicable
  05/21/2021 08 PM PDT             2.2              1         +      Not Applicable
  05/21/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/21/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/21/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 05 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 06 AM PDT             2.2              1         -      Not Applicable
  05/22/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 08 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 10 AM PDT             2.2              1         +      Not Applicable
  05/22/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/22/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 03 PM PDT             2.2              1         -      Not Applicable
  05/22/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 05 PM PDT             2.2              1         +      Not Applicable
  05/22/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/22/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/23/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/23/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/23/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/23/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/23/2021 04 AM PDT             2.2              1         -      Not Applicable
  05/23/2021 05 AM PDT             2.2              1         +      Not Applicable
  05/23/2021 06 AM PDT             2.2              1         -      Not Applicable
  05/23/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/23/2021 08 AM PDT             2.2              1         +      Not Applicable
  05/23/2021 09 AM PDT             2.2              1         -      Not Applicable
  05/23/2021 10 AM PDT             2.1              0         -      Not Applicable
  05/23/2021 11 AM PDT             2.2              1         +      Not Applicable
  05/23/2021 12 PM PDT             2.1              0         -      Not Applicable
  05/23/2021 01 PM PDT             2.2              1         +      Not Applicable
  05/23/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/23/2021 03 PM PDT             2.1              0         -      Not Applicable
  05/23/2021 04 PM PDT             2.1              0         0      Not Applicable
  05/23/2021 05 PM PDT             2.1              0         0      Not Applicable
  05/23/2021 06 PM PDT             2.1              0         0      Not Applicable
  05/23/2021 07 PM PDT             2.2              1         +      Not Applicable
  05/23/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/23/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/23/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/23/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/24/2021 12 AM PDT             2.2              1         +      Not Applicable
  05/24/2021 01 AM PDT             2.2              1         -      Not Applicable
  05/24/2021 02 AM PDT             2.2              1         +      Not Applicable
  05/24/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/24/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/24/2021 05 AM PDT             2.2              1         -      Not Applicable
  05/24/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/24/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/24/2021 08 AM PDT             2.1              0         -      Not Applicable
  05/24/2021 09 AM PDT             2.1              0         0      Not Applicable
  05/24/2021 10 AM PDT             2.2              1         +      Not Applicable
  05/24/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/24/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/24/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/24/2021 02 PM PDT             2.2              1         +      Not Applicable
  05/24/2021 03 PM PDT             2.2              1         -      Not Applicable
  05/24/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/24/2021 05 PM PDT             2.2              1         +      Not Applicable
  05/24/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/24/2021 07 PM PDT             2.2              1         -      Not Applicable
  05/24/2021 08 PM PDT             2.2              1         +      Not Applicable
  05/24/2021 09 PM PDT             2.2              1         -      Not Applicable
  05/24/2021 10 PM PDT             2.2              1         +      Not Applicable
  05/24/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 02 AM PDT             2.2              1         -      Not Applicable
  05/25/2021 03 AM PDT             2.2              1         +      Not Applicable
  05/25/2021 04 AM PDT             2.2              1         -      Not Applicable
  05/25/2021 05 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 08 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 09 AM PDT             2.2              1         +      Not Applicable
  05/25/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/25/2021 11 AM PDT             2.2              1         -      Not Applicable
  05/25/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 01 PM PDT             2.2              1         +      Not Applicable
  05/25/2021 02 PM PDT             2.2              1         -      Not Applicable
  05/25/2021 03 PM PDT             2.2              1         +      Not Applicable
  05/25/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/25/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 03 AM PDT             2.2              1         +      Not Applicable
  05/26/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 05 AM PDT             2.2              1         -      Not Applicable
  05/26/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 07 AM PDT             2.2              1         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/26/2021 08 AM PDT             2.2              1                Not Applicable
  05/26/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/26/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 03 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/26/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 05 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 08 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/27/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 03 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/27/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 05 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 08 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/28/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 03 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/28/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 05 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 08 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/29/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 03 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/29/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 05 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 06 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 07 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 08 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 09 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 10 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 11 AM PDT             2.2              1         0      Not Applicable
  05/30/2021 12 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 01 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 02 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 03 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 04 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 05 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 06 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 07 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 08 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 09 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 10 PM PDT             2.2              1         0      Not Applicable
  05/30/2021 11 PM PDT             2.2              1         0      Not Applicable
  05/31/2021 12 AM PDT             2.2              1         0      Not Applicable
  05/31/2021 01 AM PDT             2.2              1         0      Not Applicable
  05/31/2021 02 AM PDT             2.2              1         0      Not Applicable
  05/31/2021 03 AM PDT             2.2              1         0      Not Applicable
  05/31/2021 04 AM PDT             2.2              1         0      Not Applicable
  05/31/2021 05 AM PDT             2.2              1         0      Not Applicable
#
# 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.