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 24 2026 at 8:33 AM PDTNext Issuance: Oct 25 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:  10/24/2026 at 08:34 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/22/2026 at 04:00 AM PDT
# Maximum Observed Stage:                       3.08 Feet
# Maximum Observed Flow:                        199 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/24/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       1.98 Feet
# Maximum Forecast Flow:                        16 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/19/2026 08 AM PDT            1.66              4                Not Applicable
  10/19/2026 09 AM PDT            1.66              4         0      Not Applicable
  10/19/2026 10 AM PDT            1.67              4         +      Not Applicable
  10/19/2026 11 AM PDT            1.65              4         -      Not Applicable
  10/19/2026 12 PM PDT            1.64              4         -      Not Applicable
  10/19/2026 01 PM PDT            1.63              4         -      Not Applicable
  10/19/2026 02 PM PDT            1.63              4         0      Not Applicable
  10/19/2026 03 PM PDT            1.62              3         -      Not Applicable
  10/19/2026 04 PM PDT            1.62              3         0      Not Applicable
  10/19/2026 05 PM PDT            1.62              3         0      Not Applicable
  10/19/2026 06 PM PDT            1.62              3         0      Not Applicable
  10/19/2026 07 PM PDT            1.62              3         0      Not Applicable
  10/19/2026 08 PM PDT            1.63              4         +      Not Applicable
  10/19/2026 09 PM PDT            1.64              4         +      Not Applicable
  10/19/2026 10 PM PDT            1.65              4         +      Not Applicable
  10/19/2026 11 PM PDT            1.66              4         +      Not Applicable
  10/20/2026 12 AM PDT            1.66              4         0      Not Applicable
  10/20/2026 01 AM PDT            1.67              4         +      Not Applicable
  10/20/2026 02 AM PDT            1.68              5         +      Not Applicable
  10/20/2026 03 AM PDT            1.68              5         0      Not Applicable
  10/20/2026 04 AM PDT            1.70              5         +      Not Applicable
  10/20/2026 05 AM PDT            1.68              5         -      Not Applicable
  10/20/2026 06 AM PDT            1.68              5         0      Not Applicable
  10/20/2026 07 AM PDT            1.69              5         +      Not Applicable
  10/20/2026 08 AM PDT            1.68              5         -      Not Applicable
  10/20/2026 09 AM PDT            1.69              5         +      Not Applicable
  10/20/2026 10 AM PDT            1.67              4         -      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            1.68              5         +      Not Applicable
  10/20/2026 07 PM PDT            1.67              4         -      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            1.69              5         +      Not Applicable
  10/20/2026 11 PM PDT            1.67              4         -      Not Applicable
  10/21/2026 12 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 01 AM PDT            1.66              4         -      Not Applicable
  10/21/2026 02 AM PDT            1.66              4         0      Not Applicable
  10/21/2026 03 AM PDT            1.68              5         +      Not Applicable
  10/21/2026 04 AM PDT            1.66              4         -      Not Applicable
  10/21/2026 05 AM PDT            1.67              4         +      Not Applicable
  10/21/2026 06 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 07 AM PDT            1.67              4         0      Not Applicable
  10/21/2026 08 AM PDT            1.66              4         -      Not Applicable
  10/21/2026 09 AM PDT            1.66              4         0      Not Applicable
  10/21/2026 10 AM PDT            1.66              4         0      Not Applicable
  10/21/2026 11 AM PDT            1.67              4         +      Not Applicable
  10/21/2026 12 PM PDT            1.67              4         0      Not Applicable
  10/21/2026 01 PM PDT            1.67              4         0      Not Applicable
  10/21/2026 02 PM PDT            1.68              5         +      Not Applicable
  10/21/2026 03 PM PDT            1.67              4         -      Not Applicable
  10/21/2026 04 PM PDT            1.67              4         0      Not Applicable
  10/21/2026 05 PM PDT            1.67              4         0      Not Applicable
  10/21/2026 06 PM PDT            1.68              5         +      Not Applicable
  10/21/2026 07 PM PDT            1.67              4         -      Not Applicable
  10/21/2026 08 PM PDT            1.68              5         +      Not Applicable
  10/21/2026 09 PM PDT            1.66              4         -      Not Applicable
  10/21/2026 10 PM PDT            1.67              4         +      Not Applicable
  10/21/2026 11 PM PDT            1.72              6         +      Not Applicable
  10/22/2026 12 AM PDT            2.20             30         +      Not Applicable
  10/22/2026 01 AM PDT            2.68             96         +      Not Applicable
  10/22/2026 02 AM PDT            2.45             58         -      Not Applicable
  10/22/2026 03 AM PDT            2.40             51         -      Not Applicable
  10/22/2026 04 AM PDT            3.08            199         +      Not Applicable
  10/22/2026 05 AM PDT            2.89            144         -      Not Applicable
  10/22/2026 06 AM PDT            3.03            184         +      Not Applicable
  10/22/2026 07 AM PDT            3.04            187         +      Not Applicable
  10/22/2026 08 AM PDT            3.07            196         +      Not Applicable
  10/22/2026 09 AM PDT            3.04            187         -      Not Applicable
  10/22/2026 10 AM PDT            2.93            155         -      Not Applicable
  10/22/2026 11 AM PDT            2.84            132         -      Not Applicable
  10/22/2026 12 PM PDT            2.74            109         -      Not Applicable
  10/22/2026 01 PM PDT            2.69             98         -      Not Applicable
  10/22/2026 02 PM PDT            2.62             85         -      Not Applicable
  10/22/2026 03 PM PDT            2.55             73         -      Not Applicable
  10/22/2026 04 PM PDT            2.51             66         -      Not Applicable
  10/22/2026 05 PM PDT            2.48             62         -      Not Applicable
  10/22/2026 06 PM PDT            2.47             61         -      Not Applicable
  10/22/2026 07 PM PDT            2.49             63         +      Not Applicable
  10/22/2026 08 PM PDT            2.50             65         +      Not Applicable
  10/22/2026 09 PM PDT            2.52             68         +      Not Applicable
  10/22/2026 10 PM PDT            2.51             66         -      Not Applicable
  10/22/2026 11 PM PDT            2.48             62         -      Not Applicable
  10/23/2026 12 AM PDT            2.43             55         -      Not Applicable
  10/23/2026 01 AM PDT            2.41             52         -      Not Applicable
  10/23/2026 02 AM PDT            2.39             50         -      Not Applicable
  10/23/2026 03 AM PDT            2.38             48         -      Not Applicable
  10/23/2026 04 AM PDT            2.34             43         -      Not Applicable
  10/23/2026 05 AM PDT            2.32             41         -      Not Applicable
  10/23/2026 06 AM PDT            2.31             40         -      Not Applicable
  10/23/2026 07 AM PDT            2.30             39         -      Not Applicable
  10/23/2026 08 AM PDT            2.25             34         -      Not Applicable
  10/23/2026 09 AM PDT            2.22             31         -      Not Applicable
  10/23/2026 10 AM PDT            2.21             31         -      Not Applicable
  10/23/2026 11 AM PDT            2.20             30         -      Not Applicable
  10/23/2026 12 PM PDT            2.17             27         -      Not Applicable
  10/23/2026 01 PM PDT            2.15             26         -      Not Applicable
  10/23/2026 02 PM PDT            2.13             24         -      Not Applicable
  10/23/2026 03 PM PDT            2.12             24         -      Not Applicable
  10/23/2026 04 PM PDT            2.11             23         -      Not Applicable
  10/23/2026 05 PM PDT            2.09             22         -      Not Applicable
  10/23/2026 06 PM PDT            2.08             21         -      Not Applicable
  10/23/2026 07 PM PDT            2.07             21         -      Not Applicable
  10/23/2026 08 PM PDT            2.06             20         -      Not Applicable
  10/23/2026 09 PM PDT            2.05             19         -      Not Applicable
  10/23/2026 10 PM PDT            2.04             19         -      Not Applicable
  10/23/2026 11 PM PDT            2.03             18         -      Not Applicable
  10/24/2026 12 AM PDT            2.02             18         -      Not Applicable
  10/24/2026 01 AM PDT            2.02             18         0      Not Applicable
  10/24/2026 02 AM PDT            2.02             18         0      Not Applicable
  10/24/2026 03 AM PDT            2.01             17         -      Not Applicable
  10/24/2026 04 AM PDT            2.01             17         0      Not Applicable
  10/24/2026 05 AM PDT            2.01             17         0      Not Applicable
  10/24/2026 06 AM PDT            2.02             18         +      Not Applicable
  10/24/2026 07 AM PDT            2.00             17         -      Not Applicable
  10/24/2026 08 AM PDT            1.99             16         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/24/2026 09 AM PDT            1.98             16                Not Applicable
  10/24/2026 10 AM PDT            1.97             15         -      Not Applicable
  10/24/2026 11 AM PDT            1.96             15         -      Not Applicable
  10/24/2026 12 PM PDT            1.96             15         0      Not Applicable
  10/24/2026 01 PM PDT            1.95             14         -      Not Applicable
  10/24/2026 02 PM PDT            1.95             14         0      Not Applicable
  10/24/2026 03 PM PDT            1.95             14         0      Not Applicable
  10/24/2026 04 PM PDT            1.94             14         -      Not Applicable
  10/24/2026 05 PM PDT            1.94             14         0      Not Applicable
  10/24/2026 06 PM PDT            1.94             14         0      Not Applicable
  10/24/2026 07 PM PDT            1.94             14         0      Not Applicable
  10/24/2026 08 PM PDT            1.94             14         0      Not Applicable
  10/24/2026 09 PM PDT            1.94             14         0      Not Applicable
  10/24/2026 10 PM PDT            1.94             14         0      Not Applicable
  10/24/2026 11 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 12 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 01 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 02 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 03 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 04 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 05 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 06 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 07 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 08 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 09 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 10 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 11 AM PDT            1.94             14         0      Not Applicable
  10/25/2026 12 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 01 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 02 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 03 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 04 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 05 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 06 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 07 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 08 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 09 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 10 PM PDT            1.94             14         0      Not Applicable
  10/25/2026 11 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 12 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 01 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 02 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 03 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 04 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 05 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 06 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 07 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 08 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 09 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 10 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 11 AM PDT            1.94             14         0      Not Applicable
  10/26/2026 12 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 01 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 02 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 03 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 04 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 05 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 06 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 07 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 08 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 09 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 10 PM PDT            1.94             14         0      Not Applicable
  10/26/2026 11 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 12 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 01 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 02 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 03 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 04 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 05 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 06 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 07 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 08 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 09 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 10 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 11 AM PDT            1.94             14         0      Not Applicable
  10/27/2026 12 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 01 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 02 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 03 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 04 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 05 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 06 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 07 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 08 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 09 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 10 PM PDT            1.94             14         0      Not Applicable
  10/27/2026 11 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 12 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 01 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 02 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 03 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 04 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 05 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 06 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 07 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 08 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 09 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 10 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 11 AM PDT            1.94             14         0      Not Applicable
  10/28/2026 12 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 01 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 02 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 03 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 04 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 05 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 06 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 07 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 08 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 09 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 10 PM PDT            1.94             14         0      Not Applicable
  10/28/2026 11 PM PDT            1.94             14         0      Not Applicable
  10/29/2026 12 AM PDT            1.94             14         0      Not Applicable
  10/29/2026 01 AM PDT            1.94             14         0      Not Applicable
  10/29/2026 02 AM PDT            1.94             14         0      Not Applicable
  10/29/2026 03 AM PDT            1.94             14         0      Not Applicable
  10/29/2026 04 AM PDT            1.94             14         0      Not Applicable
  10/29/2026 05 AM PDT            1.94             14         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.