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 17 2026 at 7:16 AM PDTNext Issuance: Oct 18 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:  10/17/2026 at 07:17 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/12/2026 at 12:00 PM PDT
# Maximum Observed Stage:                       2.98 Feet
# Maximum Observed Flow:                        169 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/21/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       2.99 Feet
# Maximum Forecast Flow:                        172 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/12/2026 07 AM PDT            2.72            104                Not Applicable
  10/12/2026 08 AM PDT            2.76            113         +      Not Applicable
  10/12/2026 09 AM PDT            2.86            136         +      Not Applicable
  10/12/2026 10 AM PDT            2.96            163         +      Not Applicable
  10/12/2026 11 AM PDT            2.94            157         -      Not Applicable
  10/12/2026 12 PM PDT            2.98            169         +      Not Applicable
  10/12/2026 01 PM PDT            2.90            147         -      Not Applicable
  10/12/2026 02 PM PDT            2.84            132         -      Not Applicable
  10/12/2026 03 PM PDT            2.80            122         -      Not Applicable
  10/12/2026 04 PM PDT            2.74            109         -      Not Applicable
  10/12/2026 05 PM PDT            2.68             96         -      Not Applicable
  10/12/2026 06 PM PDT            2.63             87         -      Not Applicable
  10/12/2026 07 PM PDT            2.58             78         -      Not Applicable
  10/12/2026 08 PM PDT            2.52             68         -      Not Applicable
  10/12/2026 09 PM PDT            2.47             61         -      Not Applicable
  10/12/2026 10 PM PDT            2.43             55         -      Not Applicable
  10/12/2026 11 PM PDT            2.42             54         -      Not Applicable
  10/13/2026 12 AM PDT            2.38             48         -      Not Applicable
  10/13/2026 01 AM PDT            2.33             42         -      Not Applicable
  10/13/2026 02 AM PDT            2.33             42         0      Not Applicable
  10/13/2026 03 AM PDT            2.29             38         -      Not Applicable
  10/13/2026 04 AM PDT            2.27             36         -      Not Applicable
  10/13/2026 05 AM PDT            2.28             37         +      Not Applicable
  10/13/2026 06 AM PDT            2.26             35         -      Not Applicable
  10/13/2026 07 AM PDT            2.22             31         -      Not Applicable
  10/13/2026 08 AM PDT            2.21             31         -      Not Applicable
  10/13/2026 09 AM PDT            2.20             30         -      Not Applicable
  10/13/2026 10 AM PDT            2.19             29         -      Not Applicable
  10/13/2026 11 AM PDT            2.18             28         -      Not Applicable
  10/13/2026 12 PM PDT            2.17             27         -      Not Applicable
  10/13/2026 01 PM PDT            2.16             27         -      Not Applicable
  10/13/2026 02 PM PDT            2.18             28         +      Not Applicable
  10/13/2026 03 PM PDT            2.14             25         -      Not Applicable
  10/13/2026 04 PM PDT            2.17             27         +      Not Applicable
  10/13/2026 05 PM PDT            2.13             24         -      Not Applicable
  10/13/2026 06 PM PDT            2.12             24         -      Not Applicable
  10/13/2026 07 PM PDT            2.11             23         -      Not Applicable
  10/13/2026 08 PM PDT            2.10             22         -      Not Applicable
  10/13/2026 09 PM PDT            2.09             22         -      Not Applicable
  10/13/2026 10 PM PDT            2.08             21         -      Not Applicable
  10/13/2026 11 PM PDT            2.07             21         -      Not Applicable
  10/14/2026 12 AM PDT            2.05             19         -      Not Applicable
  10/14/2026 01 AM PDT            2.04             19         -      Not Applicable
  10/14/2026 02 AM PDT            2.03             18         -      Not Applicable
  10/14/2026 03 AM PDT            1.98             16         -      Not Applicable
  10/14/2026 04 AM PDT            1.98             16         0      Not Applicable
  10/14/2026 05 AM PDT            2.00             17         +      Not Applicable
  10/14/2026 06 AM PDT            1.96             15         -      Not Applicable
  10/14/2026 07 AM PDT            1.96             15         0      Not Applicable
  10/14/2026 08 AM PDT            1.94             14         -      Not Applicable
  10/14/2026 09 AM PDT            1.92             13         -      Not Applicable
  10/14/2026 10 AM PDT            1.91             12         -      Not Applicable
  10/14/2026 11 AM PDT            1.91             12         0      Not Applicable
  10/14/2026 12 PM PDT            1.91             12         0      Not Applicable
  10/14/2026 01 PM PDT            1.90             12         -      Not Applicable
  10/14/2026 02 PM PDT            1.89             12         -      Not Applicable
  10/14/2026 03 PM PDT            1.90             12         +      Not Applicable
  10/14/2026 04 PM PDT            1.89             12         -      Not Applicable
  10/14/2026 05 PM PDT            1.88             11         -      Not Applicable
  10/14/2026 06 PM PDT            1.88             11         0      Not Applicable
  10/14/2026 07 PM PDT            1.87             11         -      Not Applicable
  10/14/2026 08 PM PDT            1.87             11         0      Not Applicable
  10/14/2026 09 PM PDT            1.85             10         -      Not Applicable
  10/14/2026 10 PM PDT            1.84             10         -      Not Applicable
  10/14/2026 11 PM PDT            1.81              8         -      Not Applicable
  10/15/2026 12 AM PDT            1.78              7         -      Not Applicable
  10/15/2026 01 AM PDT            1.78              7         0      Not Applicable
  10/15/2026 02 AM PDT            1.78              7         0      Not Applicable
  10/15/2026 03 AM PDT            1.78              7         0      Not Applicable
  10/15/2026 04 AM PDT            1.77              7         -      Not Applicable
  10/15/2026 05 AM PDT            1.77              7         0      Not Applicable
  10/15/2026 06 AM PDT            1.76              7         -      Not Applicable
  10/15/2026 07 AM PDT            1.75              7         -      Not Applicable
  10/15/2026 08 AM PDT            1.74              6         -      Not Applicable
  10/15/2026 09 AM PDT            1.74              6         0      Not Applicable
  10/15/2026 10 AM PDT            1.75              7         +      Not Applicable
  10/15/2026 11 AM PDT            1.76              7         +      Not Applicable
  10/15/2026 12 PM PDT            1.76              7         0      Not Applicable
  10/15/2026 01 PM PDT            1.77              7         +      Not Applicable
  10/15/2026 02 PM PDT            1.79              8         +      Not Applicable
  10/15/2026 03 PM PDT            1.78              7         -      Not Applicable
  10/15/2026 04 PM PDT            1.79              8         +      Not Applicable
  10/15/2026 05 PM PDT            1.78              7         -      Not Applicable
  10/15/2026 06 PM PDT            1.78              7         0      Not Applicable
  10/15/2026 07 PM PDT            1.77              7         -      Not Applicable
  10/15/2026 08 PM PDT            1.76              7         -      Not Applicable
  10/15/2026 09 PM PDT            1.76              7         0      Not Applicable
  10/15/2026 10 PM PDT            1.74              6         -      Not Applicable
  10/15/2026 11 PM PDT            1.74              6         0      Not Applicable
  10/16/2026 12 AM PDT            1.72              6         -      Not Applicable
  10/16/2026 01 AM PDT            1.72              6         0      Not Applicable
  10/16/2026 02 AM PDT            1.71              5         -      Not Applicable
  10/16/2026 03 AM PDT            1.70              5         -      Not Applicable
  10/16/2026 04 AM PDT            1.70              5         0      Not Applicable
  10/16/2026 05 AM PDT            1.70              5         0      Not Applicable
  10/16/2026 06 AM PDT            1.71              5         +      Not Applicable
  10/16/2026 07 AM PDT            1.73              6         +      Not Applicable
  10/16/2026 08 AM PDT            1.70              5         -      Not Applicable
  10/16/2026 09 AM PDT            1.69              5         -      Not Applicable
  10/16/2026 10 AM PDT            1.70              5         +      Not Applicable
  10/16/2026 11 AM PDT            1.69              5         -      Not Applicable
  10/16/2026 12 PM PDT            1.69              5         0      Not Applicable
  10/16/2026 01 PM PDT            1.70              5         +      Not Applicable
  10/16/2026 02 PM PDT            1.70              5         0      Not Applicable
  10/16/2026 03 PM PDT            1.70              5         0      Not Applicable
  10/16/2026 04 PM PDT            1.70              5         0      Not Applicable
  10/16/2026 05 PM PDT            1.70              5         0      Not Applicable
  10/16/2026 06 PM PDT            1.69              5         -      Not Applicable
  10/16/2026 07 PM PDT            1.69              5         0      Not Applicable
  10/16/2026 08 PM PDT            1.69              5         0      Not Applicable
  10/16/2026 09 PM PDT            1.68              5         -      Not Applicable
  10/16/2026 10 PM PDT            1.68              5         0      Not Applicable
  10/16/2026 11 PM PDT            1.68              5         0      Not Applicable
  10/17/2026 12 AM PDT            1.67              4         -      Not Applicable
  10/17/2026 01 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 02 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 03 AM PDT            1.68              5         +      Not Applicable
  10/17/2026 04 AM PDT            1.67              4         -      Not Applicable
  10/17/2026 05 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 06 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 07 AM PDT            1.67              4         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/17/2026 08 AM PDT            1.67              4                Not Applicable
  10/17/2026 09 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 10 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 11 AM PDT            1.67              4         0      Not Applicable
  10/17/2026 12 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 01 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 02 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 03 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 04 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 05 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 06 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 07 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 08 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 09 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 10 PM PDT            1.67              4         0      Not Applicable
  10/17/2026 11 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 12 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 01 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 02 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 03 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 04 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 05 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 06 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 07 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 08 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 09 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 10 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 11 AM PDT            1.67              4         0      Not Applicable
  10/18/2026 12 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 01 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 02 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 03 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 04 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 05 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 06 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 07 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 08 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 09 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 10 PM PDT            1.67              4         0      Not Applicable
  10/18/2026 11 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 12 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 01 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 02 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 03 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 04 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 05 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 06 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 07 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 08 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 09 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 10 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 11 AM PDT            1.67              4         0      Not Applicable
  10/19/2026 12 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 01 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 02 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 03 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 04 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 05 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 06 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 07 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 08 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 09 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 10 PM PDT            1.67              4         0      Not Applicable
  10/19/2026 11 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 12 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 01 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 02 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 03 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 04 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 05 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 06 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 07 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 08 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 09 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 10 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 11 AM PDT            1.67              4         0      Not Applicable
  10/20/2026 12 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 01 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 02 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 03 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 04 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 05 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 06 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 07 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 08 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 09 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 10 PM PDT            1.67              4         0      Not Applicable
  10/20/2026 11 PM PDT            1.67              4         0      Not Applicable
  10/21/2026 12 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 01 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 02 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 03 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 04 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 05 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 06 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 07 AM PDT            1.78              7         +      Not Applicable
  10/21/2026 08 AM PDT            2.18             28         +      Not Applicable
  10/21/2026 09 AM PDT            2.34             43         +      Not Applicable
  10/21/2026 10 AM PDT            2.42             54         +      Not Applicable
  10/21/2026 11 AM PDT            2.47             61         +      Not Applicable
  10/21/2026 12 PM PDT            2.52             68         +      Not Applicable
  10/21/2026 01 PM PDT            2.62             85         +      Not Applicable
  10/21/2026 02 PM PDT            2.76            113         +      Not Applicable
  10/21/2026 03 PM PDT            2.85            134         +      Not Applicable
  10/21/2026 04 PM PDT            2.92            152         +      Not Applicable
  10/21/2026 05 PM PDT            2.96            163         +      Not Applicable
  10/21/2026 06 PM PDT            2.99            172         +      Not Applicable
  10/21/2026 07 PM PDT            2.99            172         0      Not Applicable
  10/21/2026 08 PM PDT            2.94            157         -      Not Applicable
  10/21/2026 09 PM PDT            2.90            147         -      Not Applicable
  10/21/2026 10 PM PDT            2.87            139         -      Not Applicable
  10/21/2026 11 PM PDT            2.85            134         -      Not Applicable
  10/22/2026 12 AM PDT            2.84            132         -      Not Applicable
  10/22/2026 01 AM PDT            2.83            129         -      Not Applicable
  10/22/2026 02 AM PDT            2.82            127         -      Not Applicable
  10/22/2026 03 AM PDT            2.81            124         -      Not Applicable
  10/22/2026 04 AM PDT            2.81            124         0      Not Applicable
  10/22/2026 05 AM PDT            2.81            124         0      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.