National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
 |  End of River Group

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: Jun 01 2025 at 8:26 AM PDTNext Issuance: Jun 02 2025 at 9:00 AM PDT
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:  06/01/2025 at 08:27 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/01/2025 at 06:00 AM PDT
# Maximum Observed Stage:                       1.81 Feet
# Maximum Observed Flow:                        8 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/01/2025 at 09:00 AM PDT
# Maximum Forecast Stage:                       1.65 Feet
# Maximum Forecast Flow:                        4 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/27/2025 08 AM PDT            1.65              4                Not Applicable
  05/27/2025 09 AM PDT            1.64              4         -      Not Applicable
  05/27/2025 10 AM PDT            1.64              4         0      Not Applicable
  05/27/2025 11 AM PDT            1.64              4         0      Not Applicable
  05/27/2025 12 PM PDT            1.65              4         +      Not Applicable
  05/27/2025 01 PM PDT            1.64              4         -      Not Applicable
  05/27/2025 02 PM PDT            1.65              4         +      Not Applicable
  05/27/2025 03 PM PDT            1.65              4         0      Not Applicable
  05/27/2025 04 PM PDT            1.72              6         +      Not Applicable
  05/27/2025 05 PM PDT            1.66              4         -      Not Applicable
  05/27/2025 06 PM PDT            1.65              4         -      Not Applicable
  05/27/2025 07 PM PDT            1.65              4         0      Not Applicable
  05/27/2025 08 PM PDT            1.65              4         0      Not Applicable
  05/27/2025 09 PM PDT            1.65              4         0      Not Applicable
  05/27/2025 10 PM PDT            1.64              4         -      Not Applicable
  05/27/2025 11 PM PDT            1.65              4         +      Not Applicable
  05/28/2025 12 AM PDT            1.64              4         -      Not Applicable
  05/28/2025 01 AM PDT            1.65              4         +      Not Applicable
  05/28/2025 02 AM PDT            1.63              4         -      Not Applicable
  05/28/2025 03 AM PDT            1.64              4         +      Not Applicable
  05/28/2025 04 AM PDT            1.64              4         0      Not Applicable
  05/28/2025 05 AM PDT            1.64              4         0      Not Applicable
  05/28/2025 06 AM PDT            1.65              4         +      Not Applicable
  05/28/2025 07 AM PDT            1.64              4         -      Not Applicable
  05/28/2025 08 AM PDT            1.64              4         0      Not Applicable
  05/28/2025 09 AM PDT            1.64              4         0      Not Applicable
  05/28/2025 10 AM PDT            1.64              4         0      Not Applicable
  05/28/2025 11 AM PDT            1.64              4         0      Not Applicable
  05/28/2025 12 PM PDT            1.64              4         0      Not Applicable
  05/28/2025 01 PM PDT            1.65              4         +      Not Applicable
  05/28/2025 02 PM PDT            1.64              4         -      Not Applicable
  05/28/2025 03 PM PDT            1.63              4         -      Not Applicable
  05/28/2025 04 PM PDT            1.64              4         +      Not Applicable
  05/28/2025 05 PM PDT            1.65              4         +      Not Applicable
  05/28/2025 06 PM PDT            1.64              4         -      Not Applicable
  05/28/2025 07 PM PDT            1.64              4         0      Not Applicable
  05/28/2025 08 PM PDT            1.66              4         +      Not Applicable
  05/28/2025 09 PM PDT            1.64              4         -      Not Applicable
  05/28/2025 10 PM PDT            1.65              4         +      Not Applicable
  05/28/2025 11 PM PDT            1.64              4         -      Not Applicable
  05/29/2025 12 AM PDT            1.64              4         0      Not Applicable
  05/29/2025 01 AM PDT            1.64              4         0      Not Applicable
  05/29/2025 02 AM PDT            1.65              4         +      Not Applicable
  05/29/2025 03 AM PDT            1.66              4         +      Not Applicable
  05/29/2025 04 AM PDT            1.67              4         +      Not Applicable
  05/29/2025 05 AM PDT            1.67              4         0      Not Applicable
  05/29/2025 06 AM PDT            1.67              4         0      Not Applicable
  05/29/2025 07 AM PDT            1.66              4         -      Not Applicable
  05/29/2025 08 AM PDT            1.66              4         0      Not Applicable
  05/29/2025 09 AM PDT            1.66              4         0      Not Applicable
  05/29/2025 10 AM PDT            1.66              4         0      Not Applicable
  05/29/2025 11 AM PDT            1.66              4         0      Not Applicable
  05/29/2025 12 PM PDT            1.66              4         0      Not Applicable
  05/29/2025 01 PM PDT            1.65              4         -      Not Applicable
  05/29/2025 02 PM PDT            1.65              4         0      Not Applicable
  05/29/2025 03 PM PDT            1.66              4         +      Not Applicable
  05/29/2025 04 PM PDT            1.64              4         -      Not Applicable
  05/29/2025 05 PM PDT            1.64              4         0      Not Applicable
  05/29/2025 06 PM PDT            1.64              4         0      Not Applicable
  05/29/2025 07 PM PDT            1.64              4         0      Not Applicable
  05/29/2025 08 PM PDT            1.64              4         0      Not Applicable
  05/29/2025 09 PM PDT            1.64              4         0      Not Applicable
  05/29/2025 10 PM PDT            1.64              4         0      Not Applicable
  05/29/2025 11 PM PDT            1.64              4         0      Not Applicable
  05/30/2025 12 AM PDT            1.64              4         0      Not Applicable
  05/30/2025 01 AM PDT            1.64              4         0      Not Applicable
  05/30/2025 02 AM PDT            1.65              4         +      Not Applicable
  05/30/2025 03 AM PDT            1.65              4         0      Not Applicable
  05/30/2025 04 AM PDT            1.66              4         +      Not Applicable
  05/30/2025 05 AM PDT            1.68              5         +      Not Applicable
  05/30/2025 06 AM PDT            1.68              5         0      Not Applicable
  05/30/2025 07 AM PDT            1.69              5         +      Not Applicable
  05/30/2025 08 AM PDT            1.67              4         -      Not Applicable
  05/30/2025 09 AM PDT            1.67              4         0      Not Applicable
  05/30/2025 10 AM PDT            1.68              5         +      Not Applicable
  05/30/2025 11 AM PDT            1.67              4         -      Not Applicable
  05/30/2025 12 PM PDT            1.67              4         0      Not Applicable
  05/30/2025 01 PM PDT            1.66              4         -      Not Applicable
  05/30/2025 02 PM PDT            1.65              4         -      Not Applicable
  05/30/2025 03 PM PDT            1.64              4         -      Not Applicable
  05/30/2025 04 PM PDT            1.64              4         0      Not Applicable
  05/30/2025 05 PM PDT            1.63              4         -      Not Applicable
  05/30/2025 06 PM PDT            1.64              4         +      Not Applicable
  05/30/2025 07 PM PDT            1.63              4         -      Not Applicable
  05/30/2025 08 PM PDT            1.63              4         0      Not Applicable
  05/30/2025 09 PM PDT            1.63              4         0      Not Applicable
  05/30/2025 10 PM PDT            1.63              4         0      Not Applicable
  05/30/2025 11 PM PDT            1.64              4         +      Not Applicable
  05/31/2025 12 AM PDT            1.62              3         -      Not Applicable
  05/31/2025 01 AM PDT            1.63              4         +      Not Applicable
  05/31/2025 02 AM PDT            1.63              4         0      Not Applicable
  05/31/2025 03 AM PDT            1.64              4         +      Not Applicable
  05/31/2025 04 AM PDT            1.65              4         +      Not Applicable
  05/31/2025 05 AM PDT            1.65              4         0      Not Applicable
  05/31/2025 06 AM PDT            1.66              4         +      Not Applicable
  05/31/2025 07 AM PDT            1.66              4         0      Not Applicable
  05/31/2025 08 AM PDT            1.67              4         +      Not Applicable
  05/31/2025 09 AM PDT            1.66              4         -      Not Applicable
  05/31/2025 10 AM PDT            1.67              4         +      Not Applicable
  05/31/2025 11 AM PDT            1.66              4         -      Not Applicable
  05/31/2025 12 PM PDT            1.66              4         0      Not Applicable
  05/31/2025 01 PM PDT            1.67              4         +      Not Applicable
  05/31/2025 02 PM PDT            1.67              4         0      Not Applicable
  05/31/2025 03 PM PDT            1.65              4         -      Not Applicable
  05/31/2025 04 PM PDT            1.66              4         +      Not Applicable
  05/31/2025 05 PM PDT            1.66              4         0      Not Applicable
  05/31/2025 06 PM PDT            1.65              4         -      Not Applicable
  05/31/2025 07 PM PDT            1.64              4         -      Not Applicable
  05/31/2025 08 PM PDT            1.64              4         0      Not Applicable
  05/31/2025 09 PM PDT            1.64              4         0      Not Applicable
  05/31/2025 10 PM PDT            1.64              4         0      Not Applicable
  05/31/2025 11 PM PDT            1.64              4         0      Not Applicable
  06/01/2025 12 AM PDT            1.65              4         +      Not Applicable
  06/01/2025 01 AM PDT            1.66              4         +      Not Applicable
  06/01/2025 02 AM PDT            1.64              4         -      Not Applicable
  06/01/2025 03 AM PDT            1.63              4         -      Not Applicable
  06/01/2025 04 AM PDT            1.64              4         +      Not Applicable
  06/01/2025 05 AM PDT            1.64              4         0      Not Applicable
  06/01/2025 06 AM PDT            1.81              8         +      Not Applicable
  06/01/2025 07 AM PDT            1.65              4         -      Not Applicable
  06/01/2025 08 AM PDT            1.65              4         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/01/2025 09 AM PDT            1.65              4                Not Applicable
  06/01/2025 10 AM PDT            1.65              4         0      Not Applicable
  06/01/2025 11 AM PDT            1.65              4         0      Not Applicable
  06/01/2025 12 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 01 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 02 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 03 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 04 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 05 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 06 PM PDT            1.65              4         0      Not Applicable
  06/01/2025 07 PM PDT            1.63              4         -      Not Applicable
  06/01/2025 08 PM PDT            1.63              4         0      Not Applicable
  06/01/2025 09 PM PDT            1.63              4         0      Not Applicable
  06/01/2025 10 PM PDT            1.63              4         0      Not Applicable
  06/01/2025 11 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 12 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 01 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 02 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 03 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 04 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 05 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 06 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 07 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 08 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 09 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 10 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 11 AM PDT            1.63              4         0      Not Applicable
  06/02/2025 12 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 01 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 02 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 03 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 04 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 05 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 06 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 07 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 08 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 09 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 10 PM PDT            1.63              4         0      Not Applicable
  06/02/2025 11 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 12 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 01 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 02 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 03 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 04 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 05 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 06 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 07 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 08 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 09 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 10 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 11 AM PDT            1.63              4         0      Not Applicable
  06/03/2025 12 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 01 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 02 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 03 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 04 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 05 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 06 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 07 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 08 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 09 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 10 PM PDT            1.63              4         0      Not Applicable
  06/03/2025 11 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 12 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 01 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 02 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 03 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 04 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 05 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 06 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 07 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 08 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 09 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 10 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 11 AM PDT            1.63              4         0      Not Applicable
  06/04/2025 12 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 01 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 02 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 03 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 04 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 05 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 06 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 07 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 08 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 09 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 10 PM PDT            1.63              4         0      Not Applicable
  06/04/2025 11 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 12 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 01 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 02 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 03 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 04 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 05 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 06 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 07 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 08 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 09 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 10 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 11 AM PDT            1.63              4         0      Not Applicable
  06/05/2025 12 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 01 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 02 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 03 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 04 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 05 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 06 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 07 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 08 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 09 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 10 PM PDT            1.63              4         0      Not Applicable
  06/05/2025 11 PM PDT            1.63              4         0      Not Applicable
  06/06/2025 12 AM PDT            1.63              4         0      Not Applicable
  06/06/2025 01 AM PDT            1.63              4         0      Not Applicable
  06/06/2025 02 AM PDT            1.63              4         0      Not Applicable
  06/06/2025 03 AM PDT            1.63              4         0      Not Applicable
  06/06/2025 04 AM PDT            1.63              4         0      Not Applicable
  06/06/2025 05 AM PDT            1.63              4         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.