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 10 2026 at 1:20 PM PDTNext Issuance: Oct 11 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:  10/10/2026 at 01:25 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/10/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       1.67 Feet
# Maximum Observed Flow:                        4 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/11/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       4.73 Feet
# Maximum Forecast Flow:                        1113 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/05/2026 01 PM PDT            1.63              4                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
  10/09/2026 08 AM PDT            1.65              4         +      Not Applicable
  10/09/2026 09 AM PDT            1.65              4         0      Not Applicable
  10/09/2026 10 AM PDT            1.64              4         -      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            1.63              4         -      Not Applicable
  10/09/2026 04 PM PDT            1.65              4         +      Not Applicable
  10/09/2026 05 PM PDT            1.63              4         -      Not Applicable
  10/09/2026 06 PM PDT            1.63              4         0      Not Applicable
  10/09/2026 07 PM PDT            1.64              4         +      Not Applicable
  10/09/2026 08 PM PDT            1.65              4         +      Not Applicable
  10/09/2026 09 PM PDT            1.65              4         0      Not Applicable
  10/09/2026 10 PM PDT            1.63              4         -      Not Applicable
  10/09/2026 11 PM PDT            1.64              4         +      Not Applicable
  10/10/2026 12 AM PDT            1.64              4         0      Not Applicable
  10/10/2026 01 AM PDT            1.63              4         -      Not Applicable
  10/10/2026 02 AM PDT            1.64              4         +      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            1.67              4         +      Not Applicable
  10/10/2026 09 AM PDT            1.65              4         -      Not Applicable
  10/10/2026 10 AM PDT            1.65              4         0      Not Applicable
  10/10/2026 11 AM PDT            1.64              4         -      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
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/10/2026 02 PM PDT            1.72              6                Not Applicable
  10/10/2026 03 PM PDT            1.94             14         +      Not Applicable
  10/10/2026 04 PM PDT            2.18             28         +      Not Applicable
  10/10/2026 05 PM PDT            2.09             22         -      Not Applicable
  10/10/2026 06 PM PDT            2.01             17         -      Not Applicable
  10/10/2026 07 PM PDT            1.91             12         -      Not Applicable
  10/10/2026 08 PM PDT            1.90             12         -      Not Applicable
  10/10/2026 09 PM PDT            1.89             12         -      Not Applicable
  10/10/2026 10 PM PDT            1.90             12         +      Not Applicable
  10/10/2026 11 PM PDT            2.02             18         +      Not Applicable
  10/11/2026 12 AM PDT            2.27             36         +      Not Applicable
  10/11/2026 01 AM PDT            2.43             55         +      Not Applicable
  10/11/2026 02 AM PDT            2.38             48         -      Not Applicable
  10/11/2026 03 AM PDT            2.36             46         -      Not Applicable
  10/11/2026 04 AM PDT            2.67             94         +      Not Applicable
  10/11/2026 05 AM PDT            3.40            321         +      Not Applicable
  10/11/2026 06 AM PDT            4.24            782         +      Not Applicable
  10/11/2026 07 AM PDT            4.70           1092         +      Not Applicable
  10/11/2026 08 AM PDT            4.73           1113         +      Not Applicable
  10/11/2026 09 AM PDT            4.69           1085         -      Not Applicable
  10/11/2026 10 AM PDT            4.70           1092         +      Not Applicable
  10/11/2026 11 AM PDT            4.72           1106         +      Not Applicable
  10/11/2026 12 PM PDT            4.65           1056         -      Not Applicable
  10/11/2026 01 PM PDT            4.54            980         -      Not Applicable
  10/11/2026 02 PM PDT            4.41            892         -      Not Applicable
  10/11/2026 03 PM PDT            4.22            769         -      Not Applicable
  10/11/2026 04 PM PDT            3.99            630         -      Not Applicable
  10/11/2026 05 PM PDT            3.75            495         -      Not Applicable
  10/11/2026 06 PM PDT            3.54            387         -      Not Applicable
  10/11/2026 07 PM PDT            3.38            312         -      Not Applicable
  10/11/2026 08 PM PDT            3.22            248         -      Not Applicable
  10/11/2026 09 PM PDT            3.08            199         -      Not Applicable
  10/11/2026 10 PM PDT            2.94            157         -      Not Applicable
  10/11/2026 11 PM PDT            2.84            132         -      Not Applicable
  10/12/2026 12 AM PDT            2.76            113         -      Not Applicable
  10/12/2026 01 AM PDT            2.71            102         -      Not Applicable
  10/12/2026 02 AM PDT            2.69             98         -      Not Applicable
  10/12/2026 03 AM PDT            2.67             94         -      Not Applicable
  10/12/2026 04 AM PDT            2.66             92         -      Not Applicable
  10/12/2026 05 AM PDT            2.66             92         0      Not Applicable
  10/12/2026 06 AM PDT            2.67             94         +      Not Applicable
  10/12/2026 07 AM PDT            2.70            100         +      Not Applicable
  10/12/2026 08 AM PDT            2.79            120         +      Not Applicable
  10/12/2026 09 AM PDT            2.83            129         +      Not Applicable
  10/12/2026 10 AM PDT            2.87            139         +      Not Applicable
  10/12/2026 11 AM PDT            2.88            142         +      Not Applicable
  10/12/2026 12 PM PDT            2.88            142         0      Not Applicable
  10/12/2026 01 PM PDT            2.87            139         -      Not Applicable
  10/12/2026 02 PM PDT            2.85            134         -      Not Applicable
  10/12/2026 03 PM PDT            2.84            132         -      Not Applicable
  10/12/2026 04 PM PDT            2.84            132         0      Not Applicable
  10/12/2026 05 PM PDT            2.83            129         -      Not Applicable
  10/12/2026 06 PM PDT            2.83            129         0      Not Applicable
  10/12/2026 07 PM PDT            2.82            127         -      Not Applicable
  10/12/2026 08 PM PDT            2.77            115         -      Not Applicable
  10/12/2026 09 PM PDT            2.72            104         -      Not Applicable
  10/12/2026 10 PM PDT            2.67             94         -      Not Applicable
  10/12/2026 11 PM PDT            2.63             87         -      Not Applicable
  10/13/2026 12 AM PDT            2.60             81         -      Not Applicable
  10/13/2026 01 AM PDT            2.56             74         -      Not Applicable
  10/13/2026 02 AM PDT            2.50             65         -      Not Applicable
  10/13/2026 03 AM PDT            2.46             59         -      Not Applicable
  10/13/2026 04 AM PDT            2.42             54         -      Not Applicable
  10/13/2026 05 AM PDT            2.40             51         -      Not Applicable
  10/13/2026 06 AM PDT            2.37             47         -      Not Applicable
  10/13/2026 07 AM PDT            2.35             45         -      Not Applicable
  10/13/2026 08 AM PDT            2.31             40         -      Not Applicable
  10/13/2026 09 AM PDT            2.28             37         -      Not Applicable
  10/13/2026 10 AM PDT            2.26             35         -      Not Applicable
  10/13/2026 11 AM PDT            2.24             33         -      Not Applicable
  10/13/2026 12 PM PDT            2.23             32         -      Not Applicable
  10/13/2026 01 PM PDT            2.21             31         -      Not Applicable
  10/13/2026 02 PM PDT            2.20             30         -      Not Applicable
  10/13/2026 03 PM PDT            2.19             29         -      Not Applicable
  10/13/2026 04 PM PDT            2.18             28         -      Not Applicable
  10/13/2026 05 PM PDT            2.18             28         0      Not Applicable
  10/13/2026 06 PM PDT            2.17             27         -      Not Applicable
  10/13/2026 07 PM PDT            2.17             27         0      Not Applicable
  10/13/2026 08 PM PDT            2.16             27         -      Not Applicable
  10/13/2026 09 PM PDT            2.16             27         0      Not Applicable
  10/13/2026 10 PM PDT            2.15             26         -      Not Applicable
  10/13/2026 11 PM PDT            2.15             26         0      Not Applicable
  10/14/2026 12 AM PDT            2.15             26         0      Not Applicable
  10/14/2026 01 AM PDT            2.14             25         -      Not Applicable
  10/14/2026 02 AM PDT            2.14             25         0      Not Applicable
  10/14/2026 03 AM PDT            2.14             25         0      Not Applicable
  10/14/2026 04 AM PDT            2.13             24         -      Not Applicable
  10/14/2026 05 AM PDT            2.13             24         0      Not Applicable
  10/14/2026 06 AM PDT            2.13             24         0      Not Applicable
  10/14/2026 07 AM PDT            2.12             24         -      Not Applicable
  10/14/2026 08 AM PDT            2.12             24         0      Not Applicable
  10/14/2026 09 AM PDT            2.12             24         0      Not Applicable
  10/14/2026 10 AM PDT            2.12             24         0      Not Applicable
  10/14/2026 11 AM PDT            2.11             23         -      Not Applicable
  10/14/2026 12 PM PDT            2.11             23         0      Not Applicable
  10/14/2026 01 PM PDT            2.10             22         -      Not Applicable
  10/14/2026 02 PM PDT            2.10             22         0      Not Applicable
  10/14/2026 03 PM PDT            2.10             22         0      Not Applicable
  10/14/2026 04 PM PDT            2.10             22         0      Not Applicable
  10/14/2026 05 PM PDT            2.09             22         -      Not Applicable
  10/14/2026 06 PM PDT            2.09             22         0      Not Applicable
  10/14/2026 07 PM PDT            2.09             22         0      Not Applicable
  10/14/2026 08 PM PDT            2.08             21         -      Not Applicable
  10/14/2026 09 PM PDT            2.08             21         0      Not Applicable
  10/14/2026 10 PM PDT            2.08             21         0      Not Applicable
  10/14/2026 11 PM PDT            2.07             21         -      Not Applicable
  10/15/2026 12 AM PDT            2.07             21         0      Not Applicable
  10/15/2026 01 AM PDT            2.07             21         0      Not Applicable
  10/15/2026 02 AM PDT            2.06             20         -      Not Applicable
  10/15/2026 03 AM PDT            2.06             20         0      Not Applicable
  10/15/2026 04 AM PDT            2.06             20         0      Not Applicable
  10/15/2026 05 AM PDT            2.06             20         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.