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: Feb 06 2025 at 2:42 PM PSTNext Issuance: Feb 07 2025 at 9:00 AM PST
Action/Monitor: 8.2 FeetMinor Flood: 11.2 FeetModerate Flood: 13.3 FeetMajor Flood: 16.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Santa Margarita River - Ysidora (YDRC1)
#
# File Generation Time:  02/06/2025 at 02:42 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/06/2025 at 02:00 PM PST
# Maximum Observed Stage:                       7.16 Feet
# Maximum Observed Flow:                        0 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/07/2025 at 07:00 PM PST
# Maximum Forecast Stage:                       7.89 Feet
# Maximum Forecast Flow:                        163 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/01/2025 02 PM PST            7.16              0                        Normal
  02/01/2025 03 PM PST            7.16              0         0              Normal
  02/01/2025 04 PM PST            7.16              0         0              Normal
  02/01/2025 05 PM PST            7.16              0         0              Normal
  02/01/2025 06 PM PST            7.16              0         0              Normal
  02/01/2025 07 PM PST            7.16              0         0              Normal
  02/01/2025 08 PM PST            7.16              0         0              Normal
  02/01/2025 09 PM PST            7.16              0         0              Normal
  02/01/2025 10 PM PST            7.16              0         0              Normal
  02/01/2025 11 PM PST            7.16              0         0              Normal
  02/02/2025 12 AM PST            7.16              0         0              Normal
  02/02/2025 01 AM PST            7.16              0         0              Normal
  02/02/2025 02 AM PST            7.16              0         0              Normal
  02/02/2025 03 AM PST            7.16              0         0              Normal
  02/02/2025 04 AM PST            7.16              0         0              Normal
  02/02/2025 05 AM PST            7.16              0         0              Normal
  02/02/2025 06 AM PST            7.16              0         0              Normal
  02/02/2025 07 AM PST            7.16              0         0              Normal
  02/02/2025 08 AM PST            7.16              0         0              Normal
  02/02/2025 09 AM PST            7.16              0         0              Normal
  02/02/2025 10 AM PST            7.16              0         0              Normal
  02/02/2025 11 AM PST            7.16              0         0              Normal
  02/02/2025 12 PM PST            7.16              0         0              Normal
  02/02/2025 01 PM PST            7.16              0         0              Normal
  02/02/2025 02 PM PST            7.16              0         0              Normal
  02/02/2025 03 PM PST            7.16              0         0              Normal
  02/02/2025 04 PM PST            7.16              0         0              Normal
  02/02/2025 05 PM PST            7.16              0         0              Normal
  02/02/2025 06 PM PST            7.16              0         0              Normal
  02/02/2025 07 PM PST            7.16              0         0              Normal
  02/02/2025 08 PM PST            7.16              0         0              Normal
  02/02/2025 09 PM PST            7.16              0         0              Normal
  02/02/2025 10 PM PST            7.16              0         0              Normal
  02/02/2025 11 PM PST            7.16              0         0              Normal
  02/03/2025 12 AM PST            7.16              0         0              Normal
  02/03/2025 01 AM PST            7.16              0         0              Normal
  02/03/2025 02 AM PST            7.16              0         0              Normal
  02/03/2025 03 AM PST            7.16              0         0              Normal
  02/03/2025 04 AM PST            7.16              0         0              Normal
  02/03/2025 05 AM PST            7.16              0         0              Normal
  02/03/2025 06 AM PST            7.16              0         0              Normal
  02/03/2025 07 AM PST            7.16              0         0              Normal
  02/03/2025 08 AM PST            7.16              0         0              Normal
  02/03/2025 09 AM PST            7.16              0         0              Normal
  02/03/2025 10 AM PST            7.16              0         0              Normal
  02/03/2025 11 AM PST            7.16              0         0              Normal
  02/03/2025 12 PM PST            7.16              0         0              Normal
  02/03/2025 01 PM PST            7.16              0         0              Normal
  02/03/2025 02 PM PST            7.16              0         0              Normal
  02/03/2025 03 PM PST            7.16              0         0              Normal
  02/03/2025 04 PM PST            7.16              0         0              Normal
  02/03/2025 05 PM PST            7.16              0         0              Normal
  02/03/2025 06 PM PST            7.16              0         0              Normal
  02/03/2025 07 PM PST            7.16              0         0              Normal
  02/03/2025 08 PM PST            7.16              0         0              Normal
  02/03/2025 09 PM PST            7.16              0         0              Normal
  02/03/2025 10 PM PST            7.16              0         0              Normal
  02/03/2025 11 PM PST            7.16              0         0              Normal
  02/04/2025 12 AM PST            7.16              0         0              Normal
  02/04/2025 01 AM PST            7.16              0         0              Normal
  02/04/2025 02 AM PST            7.16              0         0              Normal
  02/04/2025 03 AM PST            7.16              0         0              Normal
  02/04/2025 04 AM PST            7.16              0         0              Normal
  02/04/2025 05 AM PST            7.16              0         0              Normal
  02/04/2025 06 AM PST            7.16              0         0              Normal
  02/04/2025 07 AM PST            7.16              0         0              Normal
  02/04/2025 08 AM PST            7.16              0         0              Normal
  02/04/2025 09 AM PST            7.16              0         0              Normal
  02/04/2025 10 AM PST            7.16              0         0              Normal
  02/04/2025 11 AM PST            7.16              0         0              Normal
  02/04/2025 12 PM PST            7.16              0         0              Normal
  02/04/2025 01 PM PST            7.16              0         0              Normal
  02/04/2025 02 PM PST            7.16              0         0              Normal
  02/04/2025 03 PM PST            7.16              0         0              Normal
  02/04/2025 04 PM PST            7.16              0         0              Normal
  02/04/2025 05 PM PST            7.16              0         0              Normal
  02/04/2025 06 PM PST            7.16              0         0              Normal
  02/04/2025 07 PM PST            7.16              0         0              Normal
  02/04/2025 08 PM PST            7.16              0         0              Normal
  02/04/2025 09 PM PST            7.16              0         0              Normal
  02/04/2025 10 PM PST            7.16              0         0              Normal
  02/04/2025 11 PM PST            7.16              0         0              Normal
  02/05/2025 12 AM PST            7.16              0         0              Normal
  02/05/2025 01 AM PST            7.16              0         0              Normal
  02/05/2025 02 AM PST            7.16              0         0              Normal
  02/05/2025 03 AM PST            7.16              0         0              Normal
  02/05/2025 04 AM PST            7.16              0         0              Normal
  02/05/2025 05 AM PST            7.16              0         0              Normal
  02/05/2025 06 AM PST            7.16              0         0              Normal
  02/05/2025 07 AM PST            7.16              0         0              Normal
  02/05/2025 08 AM PST            7.16              0         0              Normal
  02/05/2025 09 AM PST            7.16              0         0              Normal
  02/05/2025 10 AM PST            7.16              0         0              Normal
  02/05/2025 11 AM PST            7.16              0         0              Normal
  02/05/2025 12 PM PST            7.16              0         0              Normal
  02/05/2025 01 PM PST            7.16              0         0              Normal
  02/05/2025 02 PM PST            7.16              0         0              Normal
  02/05/2025 03 PM PST            7.16              0         0              Normal
  02/05/2025 04 PM PST            7.16              0         0              Normal
  02/05/2025 05 PM PST            7.16              0         0              Normal
  02/05/2025 06 PM PST            7.16              0         0              Normal
  02/05/2025 07 PM PST            7.16              0         0              Normal
  02/05/2025 08 PM PST            7.16              0         0              Normal
  02/05/2025 09 PM PST            7.16              0         0              Normal
  02/05/2025 10 PM PST            7.16              0         0              Normal
  02/05/2025 11 PM PST            7.16              0         0              Normal
  02/06/2025 12 AM PST            7.16              0         0              Normal
  02/06/2025 01 AM PST            7.16              0         0              Normal
  02/06/2025 02 AM PST            7.16              0         0              Normal
  02/06/2025 03 AM PST            7.16              0         0              Normal
  02/06/2025 04 AM PST            7.16              0         0              Normal
  02/06/2025 05 AM PST            7.16              0         0              Normal
  02/06/2025 06 AM PST            7.16              0         0              Normal
  02/06/2025 07 AM PST            7.16              0         0              Normal
  02/06/2025 08 AM PST            7.16              0         0              Normal
  02/06/2025 09 AM PST            7.16              0         0              Normal
  02/06/2025 10 AM PST            7.16              0         0              Normal
  02/06/2025 11 AM PST            7.16              0         0              Normal
  02/06/2025 12 PM PST            7.16              0         0              Normal
  02/06/2025 01 PM PST            7.16              0         0              Normal
  02/06/2025 02 PM PST            7.16              0         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/06/2025 03 PM PST            7.16              0                        Normal
  02/06/2025 04 PM PST            7.16              0         0              Normal
  02/06/2025 05 PM PST            7.16              0         0              Normal
  02/06/2025 06 PM PST            7.16              0         0              Normal
  02/06/2025 07 PM PST            7.16              0         0              Normal
  02/06/2025 08 PM PST            7.16              0         0              Normal
  02/06/2025 09 PM PST            7.16              0         0              Normal
  02/06/2025 10 PM PST            7.16              0         0              Normal
  02/06/2025 11 PM PST            7.17              2         +              Normal
  02/07/2025 12 AM PST            7.17              2         0              Normal
  02/07/2025 01 AM PST            7.17              2         0              Normal
  02/07/2025 02 AM PST            7.18              3         +              Normal
  02/07/2025 03 AM PST            7.18              3         0              Normal
  02/07/2025 04 AM PST            7.18              3         0              Normal
  02/07/2025 05 AM PST            7.18              3         0              Normal
  02/07/2025 06 AM PST            7.19              5         +              Normal
  02/07/2025 07 AM PST            7.19              5         0              Normal
  02/07/2025 08 AM PST            7.20              7         +              Normal
  02/07/2025 09 AM PST            7.22             10         +              Normal
  02/07/2025 10 AM PST            7.24             13         +              Normal
  02/07/2025 11 AM PST            7.28             20         +              Normal
  02/07/2025 12 PM PST            7.33             28         +              Normal
  02/07/2025 01 PM PST            7.40             39         +              Normal
  02/07/2025 02 PM PST            7.51             56         +              Normal
  02/07/2025 03 PM PST            7.63             81         +              Normal
  02/07/2025 04 PM PST            7.74            110         +              Normal
  02/07/2025 05 PM PST            7.82            137         +              Normal
  02/07/2025 06 PM PST            7.87            155         +              Normal
  02/07/2025 07 PM PST            7.89            163         +              Normal
  02/07/2025 08 PM PST            7.89            163         0              Normal
  02/07/2025 09 PM PST            7.87            155         -              Normal
  02/07/2025 10 PM PST            7.85            147         -              Normal
  02/07/2025 11 PM PST            7.83            140         -              Normal
  02/08/2025 12 AM PST            7.81            133         -              Normal
  02/08/2025 01 AM PST            7.79            126         -              Normal
  02/08/2025 02 AM PST            7.76            117         -              Normal
  02/08/2025 03 AM PST            7.73            108         -              Normal
  02/08/2025 04 AM PST            7.70             99         -              Normal
  02/08/2025 05 AM PST            7.66             88         -              Normal
  02/08/2025 06 AM PST            7.62             78         -              Normal
  02/08/2025 07 AM PST            7.58             69         -              Normal
  02/08/2025 08 AM PST            7.54             61         -              Normal
  02/08/2025 09 AM PST            7.50             54         -              Normal
  02/08/2025 10 AM PST            7.46             47         -              Normal
  02/08/2025 11 AM PST            7.42             41         -              Normal
  02/08/2025 12 PM PST            7.38             36         -              Normal
  02/08/2025 01 PM PST            7.36             33         -              Normal
  02/08/2025 02 PM PST            7.33             28         -              Normal
  02/08/2025 03 PM PST            7.31             25         -              Normal
  02/08/2025 04 PM PST            7.29             21         -              Normal
  02/08/2025 05 PM PST            7.27             18         -              Normal
  02/08/2025 06 PM PST            7.26             16         -              Normal
  02/08/2025 07 PM PST            7.24             13         -              Normal
  02/08/2025 08 PM PST            7.23             11         -              Normal
  02/08/2025 09 PM PST            7.22             10         -              Normal
  02/08/2025 10 PM PST            7.22             10         0              Normal
  02/08/2025 11 PM PST            7.21              8         -              Normal
  02/09/2025 12 AM PST            7.21              8         0              Normal
  02/09/2025 01 AM PST            7.20              7         -              Normal
  02/09/2025 02 AM PST            7.20              7         0              Normal
  02/09/2025 03 AM PST            7.19              5         -              Normal
  02/09/2025 04 AM PST            7.19              5         0              Normal
  02/09/2025 05 AM PST            7.19              5         0              Normal
  02/09/2025 06 AM PST            7.19              5         0              Normal
  02/09/2025 07 AM PST            7.19              5         0              Normal
  02/09/2025 08 AM PST            7.19              5         0              Normal
  02/09/2025 09 AM PST            7.19              5         0              Normal
  02/09/2025 10 AM PST            7.18              3         -              Normal
  02/09/2025 11 AM PST            7.18              3         0              Normal
  02/09/2025 12 PM PST            7.18              3         0              Normal
  02/09/2025 01 PM PST            7.18              3         0              Normal
  02/09/2025 02 PM PST            7.18              3         0              Normal
  02/09/2025 03 PM PST            7.18              3         0              Normal
  02/09/2025 04 PM PST            7.18              3         0              Normal
  02/09/2025 05 PM PST            7.18              3         0              Normal
  02/09/2025 06 PM PST            7.18              3         0              Normal
  02/09/2025 07 PM PST            7.18              3         0              Normal
  02/09/2025 08 PM PST            7.18              3         0              Normal
  02/09/2025 09 PM PST            7.18              3         0              Normal
  02/09/2025 10 PM PST            7.18              3         0              Normal
  02/09/2025 11 PM PST            7.18              3         0              Normal
  02/10/2025 12 AM PST            7.18              3         0              Normal
  02/10/2025 01 AM PST            7.18              3         0              Normal
  02/10/2025 02 AM PST            7.18              3         0              Normal
  02/10/2025 03 AM PST            7.18              3         0              Normal
  02/10/2025 04 AM PST            7.18              3         0              Normal
  02/10/2025 05 AM PST            7.18              3         0              Normal
  02/10/2025 06 AM PST            7.18              3         0              Normal
  02/10/2025 07 AM PST            7.18              3         0              Normal
  02/10/2025 08 AM PST            7.18              3         0              Normal
  02/10/2025 09 AM PST            7.18              3         0              Normal
  02/10/2025 10 AM PST            7.18              3         0              Normal
  02/10/2025 11 AM PST            7.18              3         0              Normal
  02/10/2025 12 PM PST            7.18              3         0              Normal
  02/10/2025 01 PM PST            7.18              3         0              Normal
  02/10/2025 02 PM PST            7.18              3         0              Normal
  02/10/2025 03 PM PST            7.18              3         0              Normal
  02/10/2025 04 PM PST            7.18              3         0              Normal
  02/10/2025 05 PM PST            7.18              3         0              Normal
  02/10/2025 06 PM PST            7.18              3         0              Normal
  02/10/2025 07 PM PST            7.18              3         0              Normal
  02/10/2025 08 PM PST            7.18              3         0              Normal
  02/10/2025 09 PM PST            7.18              3         0              Normal
  02/10/2025 10 PM PST            7.18              3         0              Normal
  02/10/2025 11 PM PST            7.18              3         0              Normal
  02/11/2025 12 AM PST            7.18              3         0              Normal
  02/11/2025 01 AM PST            7.18              3         0              Normal
  02/11/2025 02 AM PST            7.18              3         0              Normal
  02/11/2025 03 AM PST            7.18              3         0              Normal
  02/11/2025 04 AM PST            7.18              3         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) 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.