SANTA MARGARITA RIVER - TEMECULA (SMHC1)
Latitude: 33.47º NLongitude: 117.14º WElevation: 950 Feet
Location: Riverside County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: San Diego/Inland
Issuance Time: Dec 28 2025 at 8:59 AM PSTNext Issuance: Dec 29 2025 at 9:00 AM PST
Action/Monitor: 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:  12/28/2025 at 09:03 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/24/2025 at 08:00 PM PST
# Maximum Observed Stage:                       4.32 Feet
# Maximum Observed Flow:                        827 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/01/2026 at 05:00 PM PST
# Maximum Forecast Stage:                       3.60 Feet
# Maximum Forecast Flow:                        412 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/23/2025 09 AM PST            1.65              4                Not Applicable
  12/23/2025 10 AM PST            1.65              4         0      Not Applicable
  12/23/2025 11 AM PST            1.66              4         +      Not Applicable
  12/23/2025 12 PM PST            1.65              4         -      Not Applicable
  12/23/2025 01 PM PST            1.67              4         +      Not Applicable
  12/23/2025 02 PM PST            1.66              4         -      Not Applicable
  12/23/2025 03 PM PST            1.67              4         +      Not Applicable
  12/23/2025 04 PM PST            1.71              5         +      Not Applicable
  12/23/2025 05 PM PST            1.72              5         +      Not Applicable
  12/23/2025 06 PM PST            1.74              6         +      Not Applicable
  12/23/2025 07 PM PST            1.76              7         +      Not Applicable
  12/23/2025 08 PM PST            1.74              6         -      Not Applicable
  12/23/2025 09 PM PST            1.76              7         +      Not Applicable
  12/23/2025 10 PM PST            1.77              7         +      Not Applicable
  12/23/2025 11 PM PST            1.81              8         +      Not Applicable
  12/24/2025 12 AM PST            1.80              8         -      Not Applicable
  12/24/2025 01 AM PST            1.79              7         -      Not Applicable
  12/24/2025 02 AM PST            1.78              7         -      Not Applicable
  12/24/2025 03 AM PST            1.77              7         -      Not Applicable
  12/24/2025 04 AM PST            1.77              7         0      Not Applicable
  12/24/2025 05 AM PST            1.87             10         +      Not Applicable
  12/24/2025 06 AM PST            2.03             18         +      Not Applicable
  12/24/2025 07 AM PST            2.12             23         +      Not Applicable
  12/24/2025 08 AM PST            2.17             27         +      Not Applicable
  12/24/2025 09 AM PST            2.28             36         +      Not Applicable
  12/24/2025 10 AM PST            2.36             45         +      Not Applicable
  12/24/2025 11 AM PST            2.41             51         +      Not Applicable
  12/24/2025 12 PM PST            2.39             48         -      Not Applicable
  12/24/2025 01 PM PST            2.36             45         -      Not Applicable
  12/24/2025 02 PM PST            2.43             54         +      Not Applicable
  12/24/2025 03 PM PST            2.96            160         +      Not Applicable
  12/24/2025 04 PM PST            3.77            500         +      Not Applicable
  12/24/2025 05 PM PST            4.13            707         +      Not Applicable
  12/24/2025 06 PM PST            4.19            744         +      Not Applicable
  12/24/2025 07 PM PST            4.18            738         -      Not Applicable
  12/24/2025 08 PM PST            4.32            827         +      Not Applicable
  12/24/2025 09 PM PST            4.27            795         -      Not Applicable
  12/24/2025 10 PM PST            4.18            738         -      Not Applicable
  12/24/2025 11 PM PST            4.05            659         -      Not Applicable
  12/25/2025 12 AM PST            3.87            555         -      Not Applicable
  12/25/2025 01 AM PST            3.77            500         -      Not Applicable
  12/25/2025 02 AM PST            3.70            463         -      Not Applicable
  12/25/2025 03 AM PST            3.62            422         -      Not Applicable
  12/25/2025 04 AM PST            3.48            353         -      Not Applicable
  12/25/2025 05 AM PST            3.40            317         -      Not Applicable
  12/25/2025 06 AM PST            3.34            291         -      Not Applicable
  12/25/2025 07 AM PST            3.26            259         -      Not Applicable
  12/25/2025 08 AM PST            3.19            233         -      Not Applicable
  12/25/2025 09 AM PST            3.13            212         -      Not Applicable
  12/25/2025 10 AM PST            3.08            196         -      Not Applicable
  12/25/2025 11 AM PST            3.05            187         -      Not Applicable
  12/25/2025 12 PM PST            2.96            160         -      Not Applicable
  12/25/2025 01 PM PST            2.93            152         -      Not Applicable
  12/25/2025 02 PM PST            2.87            136         -      Not Applicable
  12/25/2025 03 PM PST            2.89            142         +      Not Applicable
  12/25/2025 04 PM PST            2.97            163         +      Not Applicable
  12/25/2025 05 PM PST            2.99            169         +      Not Applicable
  12/25/2025 06 PM PST            2.97            163         -      Not Applicable
  12/25/2025 07 PM PST            2.93            152         -      Not Applicable
  12/25/2025 08 PM PST            2.87            136         -      Not Applicable
  12/25/2025 09 PM PST            2.83            127         -      Not Applicable
  12/25/2025 10 PM PST            2.75            109         -      Not Applicable
  12/25/2025 11 PM PST            2.71            100         -      Not Applicable
  12/26/2025 12 AM PST            2.67             92         -      Not Applicable
  12/26/2025 01 AM PST            2.65             89         -      Not Applicable
  12/26/2025 02 AM PST            2.59             78         -      Not Applicable
  12/26/2025 03 AM PST            2.54             70         -      Not Applicable
  12/26/2025 04 AM PST            2.51             65         -      Not Applicable
  12/26/2025 05 AM PST            2.50             63         -      Not Applicable
  12/26/2025 06 AM PST            2.45             56         -      Not Applicable
  12/26/2025 07 AM PST            2.41             51         -      Not Applicable
  12/26/2025 08 AM PST            2.40             50         -      Not Applicable
  12/26/2025 09 AM PST            2.38             47         -      Not Applicable
  12/26/2025 10 AM PST            2.36             45         -      Not Applicable
  12/26/2025 11 AM PST            2.35             43         -      Not Applicable
  12/26/2025 12 PM PST            2.31             39         -      Not Applicable
  12/26/2025 01 PM PST            2.31             39         0      Not Applicable
  12/26/2025 02 PM PST            2.30             38         -      Not Applicable
  12/26/2025 03 PM PST            2.28             36         -      Not Applicable
  12/26/2025 04 PM PST            2.26             34         -      Not Applicable
  12/26/2025 05 PM PST            2.28             36         +      Not Applicable
  12/26/2025 06 PM PST            2.36             45         +      Not Applicable
  12/26/2025 07 PM PST            2.63             85         +      Not Applicable
  12/26/2025 08 PM PST            2.93            152         +      Not Applicable
  12/26/2025 09 PM PST            3.05            187         +      Not Applicable
  12/26/2025 10 PM PST            3.03            180         -      Not Applicable
  12/26/2025 11 PM PST            2.93            152         -      Not Applicable
  12/27/2025 12 AM PST            2.92            149         -      Not Applicable
  12/27/2025 01 AM PST            2.90            144         -      Not Applicable
  12/27/2025 02 AM PST            2.89            142         -      Not Applicable
  12/27/2025 03 AM PST            2.84            129         -      Not Applicable
  12/27/2025 04 AM PST            2.76            111         -      Not Applicable
  12/27/2025 05 AM PST            2.72            102         -      Not Applicable
  12/27/2025 06 AM PST            2.68             94         -      Not Applicable
  12/27/2025 07 AM PST            2.64             87         -      Not Applicable
  12/27/2025 08 AM PST            2.60             80         -      Not Applicable
  12/27/2025 09 AM PST            2.56             73         -      Not Applicable
  12/27/2025 10 AM PST            2.52             66         -      Not Applicable
  12/27/2025 11 AM PST            2.51             65         -      Not Applicable
  12/27/2025 12 PM PST            2.50             63         -      Not Applicable
  12/27/2025 01 PM PST            2.49             62         -      Not Applicable
  12/27/2025 02 PM PST            2.48             61         -      Not Applicable
  12/27/2025 03 PM PST            2.49             62         +      Not Applicable
  12/27/2025 04 PM PST            2.50             63         +      Not Applicable
  12/27/2025 05 PM PST            2.47             59         -      Not Applicable
  12/27/2025 06 PM PST            2.46             58         -      Not Applicable
  12/27/2025 07 PM PST            2.44             55         -      Not Applicable
  12/27/2025 08 PM PST            2.41             51         -      Not Applicable
  12/27/2025 09 PM PST            2.40             50         -      Not Applicable
  12/27/2025 10 PM PST            2.37             46         -      Not Applicable
  12/27/2025 11 PM PST            2.33             41         -      Not Applicable
  12/28/2025 12 AM PST            2.32             40         -      Not Applicable
  12/28/2025 01 AM PST            2.30             38         -      Not Applicable
  12/28/2025 02 AM PST            2.30             38         0      Not Applicable
  12/28/2025 03 AM PST            2.27             35         -      Not Applicable
  12/28/2025 04 AM PST            2.26             34         -      Not Applicable
  12/28/2025 05 AM PST            2.22             31         -      Not Applicable
  12/28/2025 06 AM PST            2.20             29         -      Not Applicable
  12/28/2025 07 AM PST            2.18             27         -      Not Applicable
  12/28/2025 08 AM PST            2.17             27         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/28/2025 09 AM PST            2.15             25                Not Applicable
  12/28/2025 10 AM PST            2.12             23         -      Not Applicable
  12/28/2025 11 AM PST            2.10             22         -      Not Applicable
  12/28/2025 12 PM PST            2.10             22         0      Not Applicable
  12/28/2025 01 PM PST            2.10             22         0      Not Applicable
  12/28/2025 02 PM PST            2.09             21         -      Not Applicable
  12/28/2025 03 PM PST            2.09             21         0      Not Applicable
  12/28/2025 04 PM PST            2.09             21         0      Not Applicable
  12/28/2025 05 PM PST            2.09             21         0      Not Applicable
  12/28/2025 06 PM PST            2.08             21         -      Not Applicable
  12/28/2025 07 PM PST            2.08             21         0      Not Applicable
  12/28/2025 08 PM PST            2.08             21         0      Not Applicable
  12/28/2025 09 PM PST            2.08             21         0      Not Applicable
  12/28/2025 10 PM PST            2.07             20         -      Not Applicable
  12/28/2025 11 PM PST            2.07             20         0      Not Applicable
  12/29/2025 12 AM PST            2.07             20         0      Not Applicable
  12/29/2025 01 AM PST            2.06             19         -      Not Applicable
  12/29/2025 02 AM PST            2.06             19         0      Not Applicable
  12/29/2025 03 AM PST            2.06             19         0      Not Applicable
  12/29/2025 04 AM PST            2.06             19         0      Not Applicable
  12/29/2025 05 AM PST            2.06             19         0      Not Applicable
  12/29/2025 06 AM PST            2.05             19         -      Not Applicable
  12/29/2025 07 AM PST            2.05             19         0      Not Applicable
  12/29/2025 08 AM PST            2.05             19         0      Not Applicable
  12/29/2025 09 AM PST            2.04             18         -      Not Applicable
  12/29/2025 10 AM PST            2.04             18         0      Not Applicable
  12/29/2025 11 AM PST            2.04             18         0      Not Applicable
  12/29/2025 12 PM PST            2.04             18         0      Not Applicable
  12/29/2025 01 PM PST            2.04             18         0      Not Applicable
  12/29/2025 02 PM PST            2.03             18         -      Not Applicable
  12/29/2025 03 PM PST            2.03             18         0      Not Applicable
  12/29/2025 04 PM PST            2.03             18         0      Not Applicable
  12/29/2025 05 PM PST            2.02             17         -      Not Applicable
  12/29/2025 06 PM PST            2.02             17         0      Not Applicable
  12/29/2025 07 PM PST            2.02             17         0      Not Applicable
  12/29/2025 08 PM PST            2.02             17         0      Not Applicable
  12/29/2025 09 PM PST            2.02             17         0      Not Applicable
  12/29/2025 10 PM PST            2.01             17         -      Not Applicable
  12/29/2025 11 PM PST            2.01             17         0      Not Applicable
  12/30/2025 12 AM PST            2.01             17         0      Not Applicable
  12/30/2025 01 AM PST            2.00             16         -      Not Applicable
  12/30/2025 02 AM PST            2.00             16         0      Not Applicable
  12/30/2025 03 AM PST            2.00             16         0      Not Applicable
  12/30/2025 04 AM PST            2.00             16         0      Not Applicable
  12/30/2025 05 AM PST            2.00             16         0      Not Applicable
  12/30/2025 06 AM PST            1.99             16         -      Not Applicable
  12/30/2025 07 AM PST            1.99             16         0      Not Applicable
  12/30/2025 08 AM PST            1.99             16         0      Not Applicable
  12/30/2025 09 AM PST            1.99             16         0      Not Applicable
  12/30/2025 10 AM PST            1.98             15         -      Not Applicable
  12/30/2025 11 AM PST            1.98             15         0      Not Applicable
  12/30/2025 12 PM PST            1.98             15         0      Not Applicable
  12/30/2025 01 PM PST            1.98             15         0      Not Applicable
  12/30/2025 02 PM PST            1.97             15         -      Not Applicable
  12/30/2025 03 PM PST            1.97             15         0      Not Applicable
  12/30/2025 04 PM PST            1.97             15         0      Not Applicable
  12/30/2025 05 PM PST            1.97             15         0      Not Applicable
  12/30/2025 06 PM PST            1.96             14         -      Not Applicable
  12/30/2025 07 PM PST            1.96             14         0      Not Applicable
  12/30/2025 08 PM PST            1.96             14         0      Not Applicable
  12/30/2025 09 PM PST            1.96             14         0      Not Applicable
  12/30/2025 10 PM PST            1.95             14         -      Not Applicable
  12/30/2025 11 PM PST            1.95             14         0      Not Applicable
  12/31/2025 12 AM PST            1.95             14         0      Not Applicable
  12/31/2025 01 AM PST            1.95             14         0      Not Applicable
  12/31/2025 02 AM PST            1.95             14         0      Not Applicable
  12/31/2025 03 AM PST            1.94             13         -      Not Applicable
  12/31/2025 04 AM PST            1.94             13         0      Not Applicable
  12/31/2025 05 AM PST            1.94             13         0      Not Applicable
  12/31/2025 06 AM PST            1.94             13         0      Not Applicable
  12/31/2025 07 AM PST            1.93             13         -      Not Applicable
  12/31/2025 08 AM PST            1.93             13         0      Not Applicable
  12/31/2025 09 AM PST            1.93             13         0      Not Applicable
  12/31/2025 10 AM PST            1.93             13         0      Not Applicable
  12/31/2025 11 AM PST            1.95             14         +      Not Applicable
  12/31/2025 12 PM PST            2.03             18         +      Not Applicable
  12/31/2025 01 PM PST            2.20             29         +      Not Applicable
  12/31/2025 02 PM PST            2.29             37         +      Not Applicable
  12/31/2025 03 PM PST            2.35             43         +      Not Applicable
  12/31/2025 04 PM PST            2.39             48         +      Not Applicable
  12/31/2025 05 PM PST            2.42             52         +      Not Applicable
  12/31/2025 06 PM PST            2.44             55         +      Not Applicable
  12/31/2025 07 PM PST            2.46             58         +      Not Applicable
  12/31/2025 08 PM PST            2.48             61         +      Not Applicable
  12/31/2025 09 PM PST            2.49             62         +      Not Applicable
  12/31/2025 10 PM PST            2.50             63         +      Not Applicable
  12/31/2025 11 PM PST            2.52             66         +      Not Applicable
  01/01/2026 12 AM PST            2.58             76         +      Not Applicable
  01/01/2026 01 AM PST            2.69             96         +      Not Applicable
  01/01/2026 02 AM PST            2.76            111         +      Not Applicable
  01/01/2026 03 AM PST            2.82            124         +      Not Applicable
  01/01/2026 04 AM PST            2.85            132         +      Not Applicable
  01/01/2026 05 AM PST            2.88            139         +      Not Applicable
  01/01/2026 06 AM PST            2.91            147         +      Not Applicable
  01/01/2026 07 AM PST            2.92            149         +      Not Applicable
  01/01/2026 08 AM PST            2.93            152         +      Not Applicable
  01/01/2026 09 AM PST            2.94            155         +      Not Applicable
  01/01/2026 10 AM PST            2.95            157         +      Not Applicable
  01/01/2026 11 AM PST            2.97            163         +      Not Applicable
  01/01/2026 12 PM PST            3.05            187         +      Not Applicable
  01/01/2026 01 PM PST            3.22            244         +      Not Applicable
  01/01/2026 02 PM PST            3.36            299         +      Not Applicable
  01/01/2026 03 PM PST            3.47            349         +      Not Applicable
  01/01/2026 04 PM PST            3.55            387         +      Not Applicable
  01/01/2026 05 PM PST            3.60            412         +      Not Applicable
  01/01/2026 06 PM PST            3.59            407         -      Not Applicable
  01/01/2026 07 PM PST            3.49            358         -      Not Applicable
  01/01/2026 08 PM PST            3.40            317         -      Not Applicable
  01/01/2026 09 PM PST            3.31            279         -      Not Applicable
  01/01/2026 10 PM PST            3.24            251         -      Not Applicable
  01/01/2026 11 PM PST            3.18            230         -      Not Applicable
  01/02/2026 12 AM PST            3.15            219         -      Not Applicable
  01/02/2026 01 AM PST            3.13            212         -      Not Applicable
  01/02/2026 02 AM PST            3.12            209         -      Not Applicable
  01/02/2026 03 AM PST            3.11            206         -      Not Applicable
  01/02/2026 04 AM PST            3.10            202         -      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.