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

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SAN ANTONIO CREEK - SUNOL (ACSC1)
Latitude: 37.58º NLongitude: 121.86º WElevation: 272 Feet
Location: Alameda County in CaliforniaRiver Group: Central Coast
Issuance Time: Mar 22 2023 at 2:52 PM PDTNext Issuance: Mar 23 2023 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Antonio Creek - Sunol (ACSC1)
#
# File Generation Time:  03/22/2023 at 02:53 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/22/2023 at 02:00 PM PDT
# Maximum Observed Stage:                       4.3 Feet
# Maximum Observed Flow:                        147 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/22/2023 at 03:00 PM PDT
# Maximum Forecast Stage:                       4.3 Feet
# Maximum Forecast Flow:                        147 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/17/2023 02 PM PDT             4.0             67                Not Applicable
  03/17/2023 03 PM PDT             4.0             67         0      Not Applicable
  03/17/2023 04 PM PDT             4.0             65         -      Not Applicable
  03/17/2023 05 PM PDT             4.0             62         -      Not Applicable
  03/17/2023 06 PM PDT             4.0             62         0      Not Applicable
  03/17/2023 07 PM PDT             4.0             60         -      Not Applicable
  03/17/2023 08 PM PDT             4.0             60         0      Not Applicable
  03/17/2023 09 PM PDT             4.0             58         -      Not Applicable
  03/17/2023 10 PM PDT             4.0             58         0      Not Applicable
  03/17/2023 11 PM PDT             4.0             57         -      Not Applicable
  03/18/2023 12 AM PDT             4.0             57         0      Not Applicable
  03/18/2023 01 AM PDT             4.0             57         0      Not Applicable
  03/18/2023 02 AM PDT             3.9             54         -      Not Applicable
  03/18/2023 03 AM PDT             3.9             54         0      Not Applicable
  03/18/2023 04 AM PDT             3.9             53         -      Not Applicable
  03/18/2023 05 AM PDT             3.9             51         -      Not Applicable
  03/18/2023 06 AM PDT             3.9             51         0      Not Applicable
  03/18/2023 07 AM PDT             3.9             50         -      Not Applicable
  03/18/2023 08 AM PDT             3.9             50         0      Not Applicable
  03/18/2023 09 AM PDT             3.9             50         0      Not Applicable
  03/18/2023 10 AM PDT             3.9             49         -      Not Applicable
  03/18/2023 11 AM PDT             3.9             49         0      Not Applicable
  03/18/2023 12 PM PDT             3.9             49         0      Not Applicable
  03/18/2023 01 PM PDT             3.9             47         -      Not Applicable
  03/18/2023 02 PM PDT             3.9             47         0      Not Applicable
  03/18/2023 03 PM PDT             3.9             45         -      Not Applicable
  03/18/2023 04 PM PDT             3.9             43         -      Not Applicable
  03/18/2023 05 PM PDT             3.9             43         0      Not Applicable
  03/18/2023 06 PM PDT             3.9             43         0      Not Applicable
  03/18/2023 07 PM PDT             3.9             42         -      Not Applicable
  03/18/2023 08 PM PDT             3.9             42         0      Not Applicable
  03/18/2023 09 PM PDT             3.8             41         -      Not Applicable
  03/18/2023 10 PM PDT             3.8             41         0      Not Applicable
  03/18/2023 11 PM PDT             3.8             41         0      Not Applicable
  03/19/2023 12 AM PDT             3.8             40         -      Not Applicable
  03/19/2023 01 AM PDT             3.8             40         0      Not Applicable
  03/19/2023 02 AM PDT             3.8             39         -      Not Applicable
  03/19/2023 03 AM PDT             3.8             39         0      Not Applicable
  03/19/2023 04 AM PDT             3.8             39         0      Not Applicable
  03/19/2023 05 AM PDT             3.8             40         +      Not Applicable
  03/19/2023 06 AM PDT             3.8             39         -      Not Applicable
  03/19/2023 07 AM PDT             3.8             39         0      Not Applicable
  03/19/2023 08 AM PDT             3.8             40         +      Not Applicable
  03/19/2023 09 AM PDT             3.8             39         -      Not Applicable
  03/19/2023 10 AM PDT             3.8             39         0      Not Applicable
  03/19/2023 11 AM PDT             3.8             39         0      Not Applicable
  03/19/2023 12 PM PDT             3.8             39         0      Not Applicable
  03/19/2023 01 PM PDT             3.8             39         0      Not Applicable
  03/19/2023 02 PM PDT             3.8             38         -      Not Applicable
  03/19/2023 03 PM PDT             3.8             40         +      Not Applicable
  03/19/2023 04 PM PDT             3.8             39         -      Not Applicable
  03/19/2023 05 PM PDT             3.8             38         -      Not Applicable
  03/19/2023 06 PM PDT             3.8             37         -      Not Applicable
  03/19/2023 07 PM PDT             3.8             37         0      Not Applicable
  03/19/2023 08 PM PDT             3.8             36         -      Not Applicable
  03/19/2023 09 PM PDT             3.8             36         0      Not Applicable
  03/19/2023 10 PM PDT             3.8             36         0      Not Applicable
  03/19/2023 11 PM PDT             3.8             35         -      Not Applicable
  03/20/2023 12 AM PDT             3.8             35         0      Not Applicable
  03/20/2023 01 AM PDT             3.8             34         -      Not Applicable
  03/20/2023 02 AM PDT             3.8             34         0      Not Applicable
  03/20/2023 03 AM PDT             3.8             34         0      Not Applicable
  03/20/2023 04 AM PDT             3.8             34         0      Not Applicable
  03/20/2023 05 AM PDT             3.8             33         -      Not Applicable
  03/20/2023 06 AM PDT             3.8             33         0      Not Applicable
  03/20/2023 07 AM PDT             3.8             33         0      Not Applicable
  03/20/2023 08 AM PDT             3.8             32         -      Not Applicable
  03/20/2023 09 AM PDT             3.8             33         +      Not Applicable
  03/20/2023 10 AM PDT             3.8             32         -      Not Applicable
  03/20/2023 11 AM PDT             3.8             32         0      Not Applicable
  03/20/2023 12 PM PDT             3.7             31         -      Not Applicable
  03/20/2023 01 PM PDT             3.7             31         0      Not Applicable
  03/20/2023 02 PM PDT             3.7             31         0      Not Applicable
  03/20/2023 03 PM PDT             3.7             30         -      Not Applicable
  03/20/2023 04 PM PDT             3.7             30         0      Not Applicable
  03/20/2023 05 PM PDT             3.7             30         0      Not Applicable
  03/20/2023 06 PM PDT             3.7             30         0      Not Applicable
  03/20/2023 07 PM PDT             3.7             29         -      Not Applicable
  03/20/2023 08 PM PDT             3.7             28         -      Not Applicable
  03/20/2023 09 PM PDT             3.7             28         0      Not Applicable
  03/20/2023 10 PM PDT             3.7             28         0      Not Applicable
  03/20/2023 11 PM PDT             3.7             28         -      Not Applicable
  03/21/2023 12 AM PDT             3.7             28         0      Not Applicable
  03/21/2023 01 AM PDT             3.7             27         -      Not Applicable
  03/21/2023 02 AM PDT             3.7             27         0      Not Applicable
  03/21/2023 03 AM PDT             3.7             27         0      Not Applicable
  03/21/2023 04 AM PDT             3.7             26         -      Not Applicable
  03/21/2023 05 AM PDT             3.7             26         0      Not Applicable
  03/21/2023 06 AM PDT             3.7             26         0      Not Applicable
  03/21/2023 07 AM PDT             3.7             26         0      Not Applicable
  03/21/2023 08 AM PDT             3.7             26         0      Not Applicable
  03/21/2023 09 AM PDT             3.7             27         +      Not Applicable
  03/21/2023 10 AM PDT             3.7             27         0      Not Applicable
  03/21/2023 11 AM PDT             3.7             27         0      Not Applicable
  03/21/2023 12 PM PDT             3.7             29         +      Not Applicable
  03/21/2023 01 PM PDT             3.8             34         +      Not Applicable
  03/21/2023 02 PM PDT             3.8             38         +      Not Applicable
  03/21/2023 03 PM PDT             3.9             47         +      Not Applicable
  03/21/2023 04 PM PDT             3.9             51         +      Not Applicable
  03/21/2023 05 PM PDT             3.9             53         +      Not Applicable
  03/21/2023 06 PM PDT             4.0             65         +      Not Applicable
  03/21/2023 07 PM PDT             4.0             67         +      Not Applicable
  03/21/2023 08 PM PDT             4.0             70         +      Not Applicable
  03/21/2023 09 PM PDT             4.1             74         +      Not Applicable
  03/21/2023 10 PM PDT             4.1             81         +      Not Applicable
  03/21/2023 11 PM PDT             4.1             83         +      Not Applicable
  03/22/2023 12 AM PDT             4.1             88         +      Not Applicable
  03/22/2023 01 AM PDT             4.2             94         +      Not Applicable
  03/22/2023 02 AM PDT             4.2             97         +      Not Applicable
  03/22/2023 03 AM PDT             4.2            106         +      Not Applicable
  03/22/2023 04 AM PDT             4.2            112         +      Not Applicable
  03/22/2023 05 AM PDT             4.3            120         +      Not Applicable
  03/22/2023 06 AM PDT             4.3            122         +      Not Applicable
  03/22/2023 07 AM PDT             4.3            128         +      Not Applicable
  03/22/2023 08 AM PDT             4.3            131         +      Not Applicable
  03/22/2023 09 AM PDT             4.3            137         +      Not Applicable
  03/22/2023 10 AM PDT             4.3            141         +      Not Applicable
  03/22/2023 11 AM PDT             4.3            144         +      Not Applicable
  03/22/2023 12 PM PDT             4.3            147         +      Not Applicable
  03/22/2023 01 PM PDT             4.3            147         0      Not Applicable
  03/22/2023 02 PM PDT             4.3            147         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/22/2023 03 PM PDT             4.3            147                Not Applicable
  03/22/2023 04 PM PDT             4.3            147         0      Not Applicable
  03/22/2023 05 PM PDT             4.3            147         0      Not Applicable
  03/22/2023 06 PM PDT             4.3            147         0      Not Applicable
  03/22/2023 07 PM PDT             4.3            147         0      Not Applicable
  03/22/2023 08 PM PDT             4.3            144         -      Not Applicable
  03/22/2023 09 PM PDT             4.3            144         0      Not Applicable
  03/22/2023 10 PM PDT             4.3            144         0      Not Applicable
  03/22/2023 11 PM PDT             4.3            144         0      Not Applicable
  03/23/2023 12 AM PDT             4.3            144         0      Not Applicable
  03/23/2023 01 AM PDT             4.3            141         -      Not Applicable
  03/23/2023 02 AM PDT             4.3            141         0      Not Applicable
  03/23/2023 03 AM PDT             4.3            141         0      Not Applicable
  03/23/2023 04 AM PDT             4.3            137         -      Not Applicable
  03/23/2023 05 AM PDT             4.3            137         0      Not Applicable
  03/23/2023 06 AM PDT             4.3            134         -      Not Applicable
  03/23/2023 07 AM PDT             4.3            134         0      Not Applicable
  03/23/2023 08 AM PDT             4.3            131         -      Not Applicable
  03/23/2023 09 AM PDT             4.3            131         0      Not Applicable
  03/23/2023 10 AM PDT             4.3            128         -      Not Applicable
  03/23/2023 11 AM PDT             4.3            125         -      Not Applicable
  03/23/2023 12 PM PDT             4.3            122         -      Not Applicable
  03/23/2023 01 PM PDT             4.3            122         0      Not Applicable
  03/23/2023 02 PM PDT             4.3            120         -      Not Applicable
  03/23/2023 03 PM PDT             4.2            117         -      Not Applicable
  03/23/2023 04 PM PDT             4.2            114         -      Not Applicable
  03/23/2023 05 PM PDT             4.2            112         -      Not Applicable
  03/23/2023 06 PM PDT             4.2            109         -      Not Applicable
  03/23/2023 07 PM PDT             4.2            106         -      Not Applicable
  03/23/2023 08 PM PDT             4.2            104         -      Not Applicable
  03/23/2023 09 PM PDT             4.2            101         -      Not Applicable
  03/23/2023 10 PM PDT             4.2            101         0      Not Applicable
  03/23/2023 11 PM PDT             4.2            101         0      Not Applicable
  03/24/2023 12 AM PDT             4.2             99         -      Not Applicable
  03/24/2023 01 AM PDT             4.2             99         0      Not Applicable
  03/24/2023 02 AM PDT             4.2             97         -      Not Applicable
  03/24/2023 03 AM PDT             4.2             97         0      Not Applicable
  03/24/2023 04 AM PDT             4.2             94         -      Not Applicable
  03/24/2023 05 AM PDT             4.2             94         0      Not Applicable
  03/24/2023 06 AM PDT             4.2             92         -      Not Applicable
  03/24/2023 07 AM PDT             4.2             92         0      Not Applicable
  03/24/2023 08 AM PDT             4.1             90         -      Not Applicable
  03/24/2023 09 AM PDT             4.1             90         0      Not Applicable
  03/24/2023 10 AM PDT             4.1             88         -      Not Applicable
  03/24/2023 11 AM PDT             4.1             88         0      Not Applicable
  03/24/2023 12 PM PDT             4.1             86         -      Not Applicable
  03/24/2023 01 PM PDT             4.1             86         0      Not Applicable
  03/24/2023 02 PM PDT             4.1             83         -      Not Applicable
  03/24/2023 03 PM PDT             4.1             81         -      Not Applicable
  03/24/2023 04 PM PDT             4.1             81         0      Not Applicable
  03/24/2023 05 PM PDT             4.1             79         -      Not Applicable
  03/24/2023 06 PM PDT             4.1             77         -      Not Applicable
  03/24/2023 07 PM PDT             4.1             77         0      Not Applicable
  03/24/2023 08 PM PDT             4.1             76         -      Not Applicable
  03/24/2023 09 PM PDT             4.1             74         -      Not Applicable
  03/24/2023 10 PM PDT             4.0             72         -      Not Applicable
  03/24/2023 11 PM PDT             4.0             72         0      Not Applicable
  03/25/2023 12 AM PDT             4.0             70         -      Not Applicable
  03/25/2023 01 AM PDT             4.0             68         -      Not Applicable
  03/25/2023 02 AM PDT             4.0             67         -      Not Applicable
  03/25/2023 03 AM PDT             4.0             67         0      Not Applicable
  03/25/2023 04 AM PDT             4.0             65         -      Not Applicable
  03/25/2023 05 AM PDT             4.0             63         -      Not Applicable
  03/25/2023 06 AM PDT             4.0             62         -      Not Applicable
  03/25/2023 07 AM PDT             4.0             60         -      Not Applicable
  03/25/2023 08 AM PDT             4.0             58         -      Not Applicable
  03/25/2023 09 AM PDT             4.0             57         -      Not Applicable
  03/25/2023 10 AM PDT             4.0             57         0      Not Applicable
  03/25/2023 11 AM PDT             4.0             55         -      Not Applicable
  03/25/2023 12 PM PDT             3.9             54         -      Not Applicable
  03/25/2023 01 PM PDT             3.9             53         -      Not Applicable
  03/25/2023 02 PM PDT             3.9             51         -      Not Applicable
  03/25/2023 03 PM PDT             3.9             50         -      Not Applicable
  03/25/2023 04 PM PDT             3.9             49         -      Not Applicable
  03/25/2023 05 PM PDT             3.9             47         -      Not Applicable
  03/25/2023 06 PM PDT             3.9             46         -      Not Applicable
  03/25/2023 07 PM PDT             3.9             45         -      Not Applicable
  03/25/2023 08 PM PDT             3.9             43         -      Not Applicable
  03/25/2023 09 PM PDT             3.9             42         -      Not Applicable
  03/25/2023 10 PM PDT             3.8             40         -      Not Applicable
  03/25/2023 11 PM PDT             3.8             39         -      Not Applicable
  03/26/2023 12 AM PDT             3.8             38         -      Not Applicable
  03/26/2023 01 AM PDT             3.8             37         -      Not Applicable
  03/26/2023 02 AM PDT             3.8             36         -      Not Applicable
  03/26/2023 03 AM PDT             3.8             34         -      Not Applicable
  03/26/2023 04 AM PDT             3.8             33         -      Not Applicable
  03/26/2023 05 AM PDT             3.8             32         -      Not Applicable
  03/26/2023 06 AM PDT             3.7             31         -      Not Applicable
  03/26/2023 07 AM PDT             3.7             29         -      Not Applicable
  03/26/2023 08 AM PDT             3.7             28         -      Not Applicable
  03/26/2023 09 AM PDT             3.7             28         -      Not Applicable
  03/26/2023 10 AM PDT             3.7             26         -      Not Applicable
  03/26/2023 11 AM PDT             3.7             25         -      Not Applicable
  03/26/2023 12 PM PDT             3.6             24         -      Not Applicable
  03/26/2023 01 PM PDT             3.6             22         -      Not Applicable
  03/26/2023 02 PM PDT             3.6             22         -      Not Applicable
  03/26/2023 03 PM PDT             3.6             20         -      Not Applicable
  03/26/2023 04 PM PDT             3.6             19         -      Not Applicable
  03/26/2023 05 PM PDT             3.6             19         -      Not Applicable
  03/26/2023 06 PM PDT             3.5             18         -      Not Applicable
  03/26/2023 07 PM PDT             3.5             17         -      Not Applicable
  03/26/2023 08 PM PDT             3.4             10         -      Not Applicable
  03/26/2023 09 PM PDT             3.4             10         0      Not Applicable
  03/26/2023 10 PM PDT             3.4             10         0      Not Applicable
  03/26/2023 11 PM PDT             3.4             10         0      Not Applicable
  03/27/2023 12 AM PDT             3.4             10         0      Not Applicable
  03/27/2023 01 AM PDT             3.4             10         0      Not Applicable
  03/27/2023 02 AM PDT             3.4             10         0      Not Applicable
  03/27/2023 03 AM PDT             3.4             10         0      Not Applicable
  03/27/2023 04 AM PDT             3.4             10         0      Not Applicable
  03/27/2023 05 AM PDT             3.4             10         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.