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

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SANTA MARGARITA RIVER - YSIDORA (YDRC1)
Latitude: 33.31º NLongitude: 117.35º WElevation: 75 Feet
Location: San Diego County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: May 31 2023 at 8:03 AM PDTNext Issuance: Jun 01 2023 at 9:00 AM PDT
Monitor Stage: 8.2 FeetFlood Stage: 11.2 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Santa Margarita River - Ysidora (YDRC1)
#
# File Generation Time:  05/31/2023 at 08:03 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/28/2023 at 12:00 AM PDT
# Maximum Observed Stage:                       7.2 Feet
# Maximum Observed Flow:                        49 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/31/2023 at 08:00 AM PDT
# Maximum Forecast Stage:                       7.2 Feet
# Maximum Forecast Flow:                        41 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/26/2023 08 AM PDT             7.2             38                        Normal
  05/26/2023 09 AM PDT             7.2             38         0              Normal
  05/26/2023 10 AM PDT             7.2             38         0              Normal
  05/26/2023 11 AM PDT             7.1             36         -              Normal
  05/26/2023 12 PM PDT             7.1             36         0              Normal
  05/26/2023 01 PM PDT             7.1             35         -              Normal
  05/26/2023 02 PM PDT             7.1             35         0              Normal
  05/26/2023 03 PM PDT             7.1             36         +              Normal
  05/26/2023 04 PM PDT             7.1             36         0              Normal
  05/26/2023 05 PM PDT             7.1             36         0              Normal
  05/26/2023 06 PM PDT             7.2             38         +              Normal
  05/26/2023 07 PM PDT             7.2             38         0              Normal
  05/26/2023 08 PM PDT             7.2             38         0              Normal
  05/26/2023 09 PM PDT             7.2             39         +              Normal
  05/26/2023 10 PM PDT             7.2             41         +              Normal
  05/26/2023 11 PM PDT             7.2             41         0              Normal
  05/27/2023 12 AM PDT             7.2             39         -              Normal
  05/27/2023 01 AM PDT             7.2             39         0              Normal
  05/27/2023 02 AM PDT             7.2             38         -              Normal
  05/27/2023 03 AM PDT             7.2             38         0              Normal
  05/27/2023 04 AM PDT             7.2             38         0              Normal
  05/27/2023 05 AM PDT             7.2             38         0              Normal
  05/27/2023 06 AM PDT             7.2             39         +              Normal
  05/27/2023 07 AM PDT             7.2             41         +              Normal
  05/27/2023 08 AM PDT             7.2             41         0              Normal
  05/27/2023 09 AM PDT             7.2             41         0              Normal
  05/27/2023 10 AM PDT             7.2             42         +              Normal
  05/27/2023 11 AM PDT             7.2             42         0              Normal
  05/27/2023 12 PM PDT             7.2             45         +              Normal
  05/27/2023 01 PM PDT             7.2             45         0              Normal
  05/27/2023 02 PM PDT             7.2             45         0              Normal
  05/27/2023 03 PM PDT             7.2             47         +              Normal
  05/27/2023 04 PM PDT             7.2             47         0              Normal
  05/27/2023 05 PM PDT             7.2             47         0              Normal
  05/27/2023 06 PM PDT             7.2             49         +              Normal
  05/27/2023 07 PM PDT             7.2             49         0              Normal
  05/27/2023 08 PM PDT             7.2             49         0              Normal
  05/27/2023 09 PM PDT             7.2             49         0              Normal
  05/27/2023 10 PM PDT             7.2             49         0              Normal
  05/27/2023 11 PM PDT             7.2             49         0              Normal
  05/28/2023 12 AM PDT             7.2             49         0              Normal
  05/28/2023 01 AM PDT             7.2             47         -              Normal
  05/28/2023 02 AM PDT             7.2             47         0              Normal
  05/28/2023 03 AM PDT             7.2             47         0              Normal
  05/28/2023 04 AM PDT             7.2             45         -              Normal
  05/28/2023 05 AM PDT             7.2             42         -              Normal
  05/28/2023 06 AM PDT             7.2             42         0              Normal
  05/28/2023 07 AM PDT             7.2             42         0              Normal
  05/28/2023 08 AM PDT             7.2             42         0              Normal
  05/28/2023 09 AM PDT             7.2             42         0              Normal
  05/28/2023 10 AM PDT             7.2             42         0              Normal
  05/28/2023 11 AM PDT             7.2             42         0              Normal
  05/28/2023 12 PM PDT             7.2             42         0              Normal
  05/28/2023 01 PM PDT             7.2             42         0              Normal
  05/28/2023 02 PM PDT             7.2             42         0              Normal
  05/28/2023 03 PM PDT             7.2             42         0              Normal
  05/28/2023 04 PM PDT             7.2             42         0              Normal
  05/28/2023 05 PM PDT             7.2             42         0              Normal
  05/28/2023 06 PM PDT             7.2             41         -              Normal
  05/28/2023 07 PM PDT             7.2             42         +              Normal
  05/28/2023 08 PM PDT             7.2             42         0              Normal
  05/28/2023 09 PM PDT             7.2             42         0              Normal
  05/28/2023 10 PM PDT             7.2             42         0              Normal
  05/28/2023 11 PM PDT             7.2             42         0              Normal
  05/29/2023 12 AM PDT             7.2             42         0              Normal
  05/29/2023 01 AM PDT             7.2             45         +              Normal
  05/29/2023 02 AM PDT             7.2             42         -              Normal
  05/29/2023 03 AM PDT             7.2             42         0              Normal
  05/29/2023 04 AM PDT             7.2             42         0              Normal
  05/29/2023 05 AM PDT             7.2             41         -              Normal
  05/29/2023 06 AM PDT             7.2             41         0              Normal
  05/29/2023 07 AM PDT             7.2             39         -              Normal
  05/29/2023 08 AM PDT             7.2             38         -              Normal
  05/29/2023 09 AM PDT             7.2             38         0              Normal
  05/29/2023 10 AM PDT             7.2             38         0              Normal
  05/29/2023 11 AM PDT             7.2             38         0              Normal
  05/29/2023 12 PM PDT             7.2             38         0              Normal
  05/29/2023 01 PM PDT             7.1             36         -              Normal
  05/29/2023 02 PM PDT             7.1             36         0              Normal
  05/29/2023 03 PM PDT             7.2             38         +              Normal
  05/29/2023 04 PM PDT             7.2             38         0              Normal
  05/29/2023 05 PM PDT             7.2             38         0              Normal
  05/29/2023 06 PM PDT             7.2             39         +              Normal
  05/29/2023 07 PM PDT             7.2             39         0              Normal
  05/29/2023 08 PM PDT             7.2             39         0              Normal
  05/29/2023 09 PM PDT             7.2             38         -              Normal
  05/29/2023 10 PM PDT             7.2             38         0              Normal
  05/29/2023 11 PM PDT             7.2             38         0              Normal
  05/30/2023 12 AM PDT             7.1             36         -              Normal
  05/30/2023 01 AM PDT             7.1             36         0              Normal
  05/30/2023 02 AM PDT             7.1             36         0              Normal
  05/30/2023 03 AM PDT             7.1             36         0              Normal
  05/30/2023 04 AM PDT             7.1             36         0              Normal
  05/30/2023 05 AM PDT             7.1             36         0              Normal
  05/30/2023 06 AM PDT             7.1             36         0              Normal
  05/30/2023 07 AM PDT             7.1             36         0              Normal
  05/30/2023 08 AM PDT             7.1             36         0              Normal
  05/30/2023 09 AM PDT             7.1             36         0              Normal
  05/30/2023 10 AM PDT             7.2             38         +              Normal
  05/30/2023 11 AM PDT             7.2             39         +              Normal
  05/30/2023 12 PM PDT             7.2             39         0              Normal
  05/30/2023 01 PM PDT             7.2             39         0              Normal
  05/30/2023 02 PM PDT             7.2             39         0              Normal
  05/30/2023 03 PM PDT             7.2             39         0              Normal
  05/30/2023 04 PM PDT             7.2             42         +              Normal
  05/30/2023 05 PM PDT             7.2             45         +              Normal
  05/30/2023 06 PM PDT             7.2             45         0              Normal
  05/30/2023 07 PM PDT             7.2             45         0              Normal
  05/30/2023 08 PM PDT             7.2             45         0              Normal
  05/30/2023 09 PM PDT             7.2             45         0              Normal
  05/30/2023 10 PM PDT             7.2             45         0              Normal
  05/30/2023 11 PM PDT             7.2             45         0              Normal
  05/31/2023 12 AM PDT             7.2             45         0              Normal
  05/31/2023 01 AM PDT             7.2             45         0              Normal
  05/31/2023 02 AM PDT             7.2             45         0              Normal
  05/31/2023 03 AM PDT             7.2             41         -              Normal
  05/31/2023 04 AM PDT             7.2             41         0              Normal
  05/31/2023 05 AM PDT             7.2             41         0              Normal
  05/31/2023 06 AM PDT             7.2             41         0              Normal
  05/31/2023 07 AM PDT             7.2             41         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/31/2023 08 AM PDT             7.2             41                        Normal
  05/31/2023 09 AM PDT             7.2             41         0              Normal
  05/31/2023 10 AM PDT             7.2             41         0              Normal
  05/31/2023 11 AM PDT             7.2             41         0              Normal
  05/31/2023 12 PM PDT             7.2             41         0              Normal
  05/31/2023 01 PM PDT             7.2             41         0              Normal
  05/31/2023 02 PM PDT             7.2             41         0              Normal
  05/31/2023 03 PM PDT             7.2             41         0              Normal
  05/31/2023 04 PM PDT             7.2             41         0              Normal
  05/31/2023 05 PM PDT             7.2             39         -              Normal
  05/31/2023 06 PM PDT             7.2             39         0              Normal
  05/31/2023 07 PM PDT             7.2             39         0              Normal
  05/31/2023 08 PM PDT             7.2             38         -              Normal
  05/31/2023 09 PM PDT             7.2             38         0              Normal
  05/31/2023 10 PM PDT             7.1             36         -              Normal
  05/31/2023 11 PM PDT             7.1             36         0              Normal
  06/01/2023 12 AM PDT             7.1             36         0              Normal
  06/01/2023 01 AM PDT             7.1             35         -              Normal
  06/01/2023 02 AM PDT             7.1             35         0              Normal
  06/01/2023 03 AM PDT             7.1             35         0              Normal
  06/01/2023 04 AM PDT             7.1             35         0              Normal
  06/01/2023 05 AM PDT             7.1             33         -              Normal
  06/01/2023 06 AM PDT             7.1             33         0              Normal
  06/01/2023 07 AM PDT             7.1             33         0              Normal
  06/01/2023 08 AM PDT             7.1             33         0              Normal
  06/01/2023 09 AM PDT             7.1             33         0              Normal
  06/01/2023 10 AM PDT             7.1             33         0              Normal
  06/01/2023 11 AM PDT             7.1             33         0              Normal
  06/01/2023 12 PM PDT             7.1             33         0              Normal
  06/01/2023 01 PM PDT             7.1             32         -              Normal
  06/01/2023 02 PM PDT             7.1             32         0              Normal
  06/01/2023 03 PM PDT             7.1             32         0              Normal
  06/01/2023 04 PM PDT             7.1             32         0              Normal
  06/01/2023 05 PM PDT             7.1             32         0              Normal
  06/01/2023 06 PM PDT             7.1             32         0              Normal
  06/01/2023 07 PM PDT             7.1             32         0              Normal
  06/01/2023 08 PM PDT             7.1             32         0              Normal
  06/01/2023 09 PM PDT             7.1             32         0              Normal
  06/01/2023 10 PM PDT             7.1             32         0              Normal
  06/01/2023 11 PM PDT             7.1             32         0              Normal
  06/02/2023 12 AM PDT             7.1             32         0              Normal
  06/02/2023 01 AM PDT             7.1             32         0              Normal
  06/02/2023 02 AM PDT             7.1             32         0              Normal
  06/02/2023 03 AM PDT             7.1             32         0              Normal
  06/02/2023 04 AM PDT             7.1             32         0              Normal
  06/02/2023 05 AM PDT             7.1             32         0              Normal
  06/02/2023 06 AM PDT             7.1             32         0              Normal
  06/02/2023 07 AM PDT             7.1             32         0              Normal
  06/02/2023 08 AM PDT             7.1             32         0              Normal
  06/02/2023 09 AM PDT             7.1             32         0              Normal
  06/02/2023 10 AM PDT             7.1             32         0              Normal
  06/02/2023 11 AM PDT             7.1             32         0              Normal
  06/02/2023 12 PM PDT             7.1             31         -              Normal
  06/02/2023 01 PM PDT             7.1             31         0              Normal
  06/02/2023 02 PM PDT             7.1             31         0              Normal
  06/02/2023 03 PM PDT             7.1             31         0              Normal
  06/02/2023 04 PM PDT             7.1             31         0              Normal
  06/02/2023 05 PM PDT             7.1             31         0              Normal
  06/02/2023 06 PM PDT             7.1             31         0              Normal
  06/02/2023 07 PM PDT             7.1             31         0              Normal
  06/02/2023 08 PM PDT             7.1             31         0              Normal
  06/02/2023 09 PM PDT             7.1             31         0              Normal
  06/02/2023 10 PM PDT             7.1             31         0              Normal
  06/02/2023 11 PM PDT             7.1             31         0              Normal
  06/03/2023 12 AM PDT             7.1             31         0              Normal
  06/03/2023 01 AM PDT             7.1             31         0              Normal
  06/03/2023 02 AM PDT             7.1             31         0              Normal
  06/03/2023 03 AM PDT             7.1             31         0              Normal
  06/03/2023 04 AM PDT             7.1             31         0              Normal
  06/03/2023 05 AM PDT             7.1             31         0              Normal
  06/03/2023 06 AM PDT             7.1             31         0              Normal
  06/03/2023 07 AM PDT             7.1             31         0              Normal
  06/03/2023 08 AM PDT             7.1             31         0              Normal
  06/03/2023 09 AM PDT             7.1             31         0              Normal
  06/03/2023 10 AM PDT             7.1             31         0              Normal
  06/03/2023 11 AM PDT             7.1             31         0              Normal
  06/03/2023 12 PM PDT             7.1             31         0              Normal
  06/03/2023 01 PM PDT             7.1             31         0              Normal
  06/03/2023 02 PM PDT             7.1             31         0              Normal
  06/03/2023 03 PM PDT             7.1             31         0              Normal
  06/03/2023 04 PM PDT             7.1             29         -              Normal
  06/03/2023 05 PM PDT             7.1             29         0              Normal
  06/03/2023 06 PM PDT             7.1             29         0              Normal
  06/03/2023 07 PM PDT             7.1             29         0              Normal
  06/03/2023 08 PM PDT             7.1             29         0              Normal
  06/03/2023 09 PM PDT             7.1             29         0              Normal
  06/03/2023 10 PM PDT             7.1             29         0              Normal
  06/03/2023 11 PM PDT             7.1             29         0              Normal
  06/04/2023 12 AM PDT             7.1             29         0              Normal
  06/04/2023 01 AM PDT             7.1             29         0              Normal
  06/04/2023 02 AM PDT             7.1             29         0              Normal
  06/04/2023 03 AM PDT             7.1             29         0              Normal
  06/04/2023 04 AM PDT             7.1             29         0              Normal
  06/04/2023 05 AM PDT             7.1             29         0              Normal
  06/04/2023 06 AM PDT             7.1             29         0              Normal
  06/04/2023 07 AM PDT             7.1             29         0              Normal
  06/04/2023 08 AM PDT             7.1             29         0              Normal
  06/04/2023 09 AM PDT             7.1             29         0              Normal
  06/04/2023 10 AM PDT             7.1             29         0              Normal
  06/04/2023 11 AM PDT             7.1             29         0              Normal
  06/04/2023 12 PM PDT             7.1             29         0              Normal
  06/04/2023 01 PM PDT             7.1             29         0              Normal
  06/04/2023 02 PM PDT             7.1             29         0              Normal
  06/04/2023 03 PM PDT             7.1             29         0              Normal
  06/04/2023 04 PM PDT             7.1             29         0              Normal
  06/04/2023 05 PM PDT             7.1             29         0              Normal
  06/04/2023 06 PM PDT             7.1             29         0              Normal
  06/04/2023 07 PM PDT             7.1             29         0              Normal
  06/04/2023 08 PM PDT             7.1             28         -              Normal
  06/04/2023 09 PM PDT             7.1             28         0              Normal
  06/04/2023 10 PM PDT             7.1             28         0              Normal
  06/04/2023 11 PM PDT             7.1             28         0              Normal
  06/05/2023 12 AM PDT             7.1             28         0              Normal
  06/05/2023 01 AM PDT             7.1             28         0              Normal
  06/05/2023 02 AM PDT             7.1             28         0              Normal
  06/05/2023 03 AM PDT             7.1             28         0              Normal
  06/05/2023 04 AM PDT             7.1             28         0              Normal
  06/05/2023 05 AM PDT             7.1             28         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.