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 - TEMECULA (SMHC1)
Latitude: 33.47º NLongitude: 117.14º WElevation: 950 FeetForecast Type: Unofficial Location
Location: Riverside County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: Oct 09 2026 at 7:28 AM PDTNext Issuance: Oct 10 2026 at 9:00 AM PDT
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Santa Margarita River - Temecula (SMHC1)
#
# File Generation Time:  10/09/2026 at 07:29 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/08/2026 at 10:00 AM PDT
# Maximum Observed Stage:                       1.67 Feet
# Maximum Observed Flow:                        4 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/11/2026 at 11:00 AM PDT
# Maximum Forecast Stage:                       4.34 Feet
# Maximum Forecast Flow:                        846 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/04/2026 07 AM PDT            1.63              4                Not Applicable
  10/04/2026 08 AM PDT            1.63              4         0      Not Applicable
  10/04/2026 09 AM PDT            1.64              4         +      Not Applicable
  10/04/2026 10 AM PDT            1.63              4         -      Not Applicable
  10/04/2026 11 AM PDT            1.63              4         0      Not Applicable
  10/04/2026 12 PM PDT            1.63              4         0      Not Applicable
  10/04/2026 01 PM PDT            1.63              4         0      Not Applicable
  10/04/2026 02 PM PDT            1.62              3         -      Not Applicable
  10/04/2026 03 PM PDT            1.62              3         0      Not Applicable
  10/04/2026 04 PM PDT            1.62              3         0      Not Applicable
  10/04/2026 05 PM PDT            1.61              3         -      Not Applicable
  10/04/2026 06 PM PDT            1.61              3         0      Not Applicable
  10/04/2026 07 PM PDT            1.61              3         0      Not Applicable
  10/04/2026 08 PM PDT            1.61              3         0      Not Applicable
  10/04/2026 09 PM PDT            1.62              3         +      Not Applicable
  10/04/2026 10 PM PDT            1.62              3         0      Not Applicable
  10/04/2026 11 PM PDT            1.62              3         0      Not Applicable
  10/05/2026 12 AM PDT            1.62              3         0      Not Applicable
  10/05/2026 01 AM PDT            1.62              3         0      Not Applicable
  10/05/2026 02 AM PDT            1.62              3         0      Not Applicable
  10/05/2026 03 AM PDT            1.63              4         +      Not Applicable
  10/05/2026 04 AM PDT            1.63              4         0      Not Applicable
  10/05/2026 05 AM PDT            1.63              4         0      Not Applicable
  10/05/2026 06 AM PDT            1.65              4         +      Not Applicable
  10/05/2026 07 AM PDT            1.63              4         -      Not Applicable
  10/05/2026 08 AM PDT            1.63              4         0      Not Applicable
  10/05/2026 09 AM PDT            1.63              4         0      Not Applicable
  10/05/2026 10 AM PDT            1.63              4         0      Not Applicable
  10/05/2026 11 AM PDT            1.63              4         0      Not Applicable
  10/05/2026 12 PM PDT            1.63              4         0      Not Applicable
  10/05/2026 01 PM PDT            1.63              4         0      Not Applicable
  10/05/2026 02 PM PDT            1.63              4         0      Not Applicable
  10/05/2026 03 PM PDT            1.62              3         -      Not Applicable
  10/05/2026 04 PM PDT            1.62              3         0      Not Applicable
  10/05/2026 05 PM PDT            1.62              3         0      Not Applicable
  10/05/2026 06 PM PDT            1.61              3         -      Not Applicable
  10/05/2026 07 PM PDT            1.61              3         0      Not Applicable
  10/05/2026 08 PM PDT            1.61              3         0      Not Applicable
  10/05/2026 09 PM PDT            1.61              3         0      Not Applicable
  10/05/2026 10 PM PDT            1.61              3         0      Not Applicable
  10/05/2026 11 PM PDT            1.62              3         +      Not Applicable
  10/06/2026 12 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 01 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 02 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 03 AM PDT            1.63              4         +      Not Applicable
  10/06/2026 04 AM PDT            1.62              3         -      Not Applicable
  10/06/2026 05 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 06 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 07 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 08 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 09 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 10 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 11 AM PDT            1.62              3         0      Not Applicable
  10/06/2026 12 PM PDT            1.62              3         0      Not Applicable
  10/06/2026 01 PM PDT            1.62              3         0      Not Applicable
  10/06/2026 02 PM PDT            1.62              3         0      Not Applicable
  10/06/2026 03 PM PDT            1.63              4         +      Not Applicable
  10/06/2026 04 PM PDT            1.61              3         -      Not Applicable
  10/06/2026 05 PM PDT            1.61              3         0      Not Applicable
  10/06/2026 06 PM PDT            1.62              3         +      Not Applicable
  10/06/2026 07 PM PDT            1.61              3         -      Not Applicable
  10/06/2026 08 PM PDT            1.61              3         0      Not Applicable
  10/06/2026 09 PM PDT            1.61              3         0      Not Applicable
  10/06/2026 10 PM PDT            1.61              3         0      Not Applicable
  10/06/2026 11 PM PDT            1.61              3         0      Not Applicable
  10/07/2026 12 AM PDT            1.62              3         +      Not Applicable
  10/07/2026 01 AM PDT            1.63              4         +      Not Applicable
  10/07/2026 02 AM PDT            1.67              4         +      Not Applicable
  10/07/2026 03 AM PDT            1.66              4         -      Not Applicable
  10/07/2026 04 AM PDT            1.67              4         +      Not Applicable
  10/07/2026 05 AM PDT            1.66              4         -      Not Applicable
  10/07/2026 06 AM PDT            1.66              4         0      Not Applicable
  10/07/2026 07 AM PDT            1.66              4         0      Not Applicable
  10/07/2026 08 AM PDT            1.65              4         -      Not Applicable
  10/07/2026 09 AM PDT            1.64              4         -      Not Applicable
  10/07/2026 10 AM PDT            1.64              4         0      Not Applicable
  10/07/2026 11 AM PDT            1.64              4         0      Not Applicable
  10/07/2026 12 PM PDT            1.64              4         0      Not Applicable
  10/07/2026 01 PM PDT            1.63              4         -      Not Applicable
  10/07/2026 02 PM PDT            1.63              4         0      Not Applicable
  10/07/2026 03 PM PDT            1.63              4         0      Not Applicable
  10/07/2026 04 PM PDT            1.63              4         0      Not Applicable
  10/07/2026 05 PM PDT            1.62              3         -      Not Applicable
  10/07/2026 06 PM PDT            1.62              3         0      Not Applicable
  10/07/2026 07 PM PDT            1.62              3         0      Not Applicable
  10/07/2026 08 PM PDT            1.62              3         0      Not Applicable
  10/07/2026 09 PM PDT            1.63              4         +      Not Applicable
  10/07/2026 10 PM PDT            1.64              4         +      Not Applicable
  10/07/2026 11 PM PDT            1.65              4         +      Not Applicable
  10/08/2026 12 AM PDT            1.65              4         0      Not Applicable
  10/08/2026 01 AM PDT            1.66              4         +      Not Applicable
  10/08/2026 02 AM PDT            1.66              4         0      Not Applicable
  10/08/2026 03 AM PDT            1.65              4         -      Not Applicable
  10/08/2026 04 AM PDT            1.65              4         0      Not Applicable
  10/08/2026 05 AM PDT            1.66              4         +      Not Applicable
  10/08/2026 06 AM PDT            1.66              4         0      Not Applicable
  10/08/2026 07 AM PDT            1.66              4         0      Not Applicable
  10/08/2026 08 AM PDT            1.65              4         -      Not Applicable
  10/08/2026 09 AM PDT            1.65              4         0      Not Applicable
  10/08/2026 10 AM PDT            1.67              4         +      Not Applicable
  10/08/2026 11 AM PDT            1.65              4         -      Not Applicable
  10/08/2026 12 PM PDT            1.65              4         0      Not Applicable
  10/08/2026 01 PM PDT            1.64              4         -      Not Applicable
  10/08/2026 02 PM PDT            1.64              4         0      Not Applicable
  10/08/2026 03 PM PDT            1.64              4         0      Not Applicable
  10/08/2026 04 PM PDT            1.64              4         0      Not Applicable
  10/08/2026 05 PM PDT            1.64              4         0      Not Applicable
  10/08/2026 06 PM PDT            1.63              4         -      Not Applicable
  10/08/2026 07 PM PDT            1.63              4         0      Not Applicable
  10/08/2026 08 PM PDT            1.63              4         0      Not Applicable
  10/08/2026 09 PM PDT            1.63              4         0      Not Applicable
  10/08/2026 10 PM PDT            1.63              4         0      Not Applicable
  10/08/2026 11 PM PDT            1.64              4         +      Not Applicable
  10/09/2026 12 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 01 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 02 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 03 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 04 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 05 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 06 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 07 AM PDT            1.64              4         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/09/2026 08 AM PDT            1.64              4                Not Applicable
  10/09/2026 09 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 10 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 11 AM PDT            1.64              4         0      Not Applicable
  10/09/2026 12 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 01 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 02 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 03 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 04 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 05 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 06 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 07 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 08 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 09 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 10 PM PDT            1.64              4         0      Not Applicable
  10/09/2026 11 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 12 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 01 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 02 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 03 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 04 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 05 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 06 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 07 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 08 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 09 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 10 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 11 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 12 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 01 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 02 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 03 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 04 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 05 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 06 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 07 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 08 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 09 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 10 PM PDT            1.64              4         0      Not Applicable
  10/10/2026 11 PM PDT            1.64              4         0      Not Applicable
  10/11/2026 12 AM PDT            1.66              4         +      Not Applicable
  10/11/2026 01 AM PDT            1.78              7         +      Not Applicable
  10/11/2026 02 AM PDT            2.06             20         +      Not Applicable
  10/11/2026 03 AM PDT            2.35             45         +      Not Applicable
  10/11/2026 04 AM PDT            2.59             80         +      Not Applicable
  10/11/2026 05 AM PDT            2.75            111         +      Not Applicable
  10/11/2026 06 AM PDT            2.88            142         +      Not Applicable
  10/11/2026 07 AM PDT            3.08            199         +      Not Applicable
  10/11/2026 08 AM PDT            3.51            373         +      Not Applicable
  10/11/2026 09 AM PDT            3.85            550         +      Not Applicable
  10/11/2026 10 AM PDT            4.13            713         +      Not Applicable
  10/11/2026 11 AM PDT            4.34            846         +      Not Applicable
  10/11/2026 12 PM PDT            4.33            839         -      Not Applicable
  10/11/2026 01 PM PDT            4.13            713         -      Not Applicable
  10/11/2026 02 PM PDT            3.85            550         -      Not Applicable
  10/11/2026 03 PM PDT            3.66            448         -      Not Applicable
  10/11/2026 04 PM PDT            3.56            397         -      Not Applicable
  10/11/2026 05 PM PDT            3.51            373         -      Not Applicable
  10/11/2026 06 PM PDT            3.48            358         -      Not Applicable
  10/11/2026 07 PM PDT            3.42            330         -      Not Applicable
  10/11/2026 08 PM PDT            3.30            279         -      Not Applicable
  10/11/2026 09 PM PDT            3.18            233         -      Not Applicable
  10/11/2026 10 PM PDT            3.04            187         -      Not Applicable
  10/11/2026 11 PM PDT            2.91            149         -      Not Applicable
  10/12/2026 12 AM PDT            2.80            122         -      Not Applicable
  10/12/2026 01 AM PDT            2.71            102         -      Not Applicable
  10/12/2026 02 AM PDT            2.68             96         -      Not Applicable
  10/12/2026 03 AM PDT            2.66             92         -      Not Applicable
  10/12/2026 04 AM PDT            2.65             91         -      Not Applicable
  10/12/2026 05 AM PDT            2.64             89         -      Not Applicable
  10/12/2026 06 AM PDT            2.65             91         +      Not Applicable
  10/12/2026 07 AM PDT            2.66             92         +      Not Applicable
  10/12/2026 08 AM PDT            2.67             94         +      Not Applicable
  10/12/2026 09 AM PDT            2.68             96         +      Not Applicable
  10/12/2026 10 AM PDT            2.69             98         +      Not Applicable
  10/12/2026 11 AM PDT            2.70            100         +      Not Applicable
  10/12/2026 12 PM PDT            2.70            100         0      Not Applicable
  10/12/2026 01 PM PDT            2.69             98         -      Not Applicable
  10/12/2026 02 PM PDT            2.65             91         -      Not Applicable
  10/12/2026 03 PM PDT            2.60             81         -      Not Applicable
  10/12/2026 04 PM PDT            2.56             74         -      Not Applicable
  10/12/2026 05 PM PDT            2.52             68         -      Not Applicable
  10/12/2026 06 PM PDT            2.48             62         -      Not Applicable
  10/12/2026 07 PM PDT            2.44             56         -      Not Applicable
  10/12/2026 08 PM PDT            2.38             48         -      Not Applicable
  10/12/2026 09 PM PDT            2.33             42         -      Not Applicable
  10/12/2026 10 PM PDT            2.28             37         -      Not Applicable
  10/12/2026 11 PM PDT            2.25             34         -      Not Applicable
  10/13/2026 12 AM PDT            2.22             31         -      Not Applicable
  10/13/2026 01 AM PDT            2.19             29         -      Not Applicable
  10/13/2026 02 AM PDT            2.13             24         -      Not Applicable
  10/13/2026 03 AM PDT            2.09             22         -      Not Applicable
  10/13/2026 04 AM PDT            2.06             20         -      Not Applicable
  10/13/2026 05 AM PDT            2.03             18         -      Not Applicable
  10/13/2026 06 AM PDT            2.00             17         -      Not Applicable
  10/13/2026 07 AM PDT            1.98             16         -      Not Applicable
  10/13/2026 08 AM PDT            1.97             15         -      Not Applicable
  10/13/2026 09 AM PDT            1.95             14         -      Not Applicable
  10/13/2026 10 AM PDT            1.94             14         -      Not Applicable
  10/13/2026 11 AM PDT            1.93             13         -      Not Applicable
  10/13/2026 12 PM PDT            1.93             13         0      Not Applicable
  10/13/2026 01 PM PDT            1.92             13         -      Not Applicable
  10/13/2026 02 PM PDT            1.91             12         -      Not Applicable
  10/13/2026 03 PM PDT            1.91             12         0      Not Applicable
  10/13/2026 04 PM PDT            1.91             12         0      Not Applicable
  10/13/2026 05 PM PDT            1.90             12         -      Not Applicable
  10/13/2026 06 PM PDT            1.90             12         0      Not Applicable
  10/13/2026 07 PM PDT            1.90             12         0      Not Applicable
  10/13/2026 08 PM PDT            1.89             12         -      Not Applicable
  10/13/2026 09 PM PDT            1.89             12         0      Not Applicable
  10/13/2026 10 PM PDT            1.88             11         -      Not Applicable
  10/13/2026 11 PM PDT            1.88             11         0      Not Applicable
  10/14/2026 12 AM PDT            1.88             11         0      Not Applicable
  10/14/2026 01 AM PDT            1.88             11         0      Not Applicable
  10/14/2026 02 AM PDT            1.87             11         -      Not Applicable
  10/14/2026 03 AM PDT            1.87             11         0      Not Applicable
  10/14/2026 04 AM PDT            1.87             11         0      Not Applicable
  10/14/2026 05 AM PDT            1.86             10         -      Not Applicable
#
# 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.