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

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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
Latitude: 39.75º NLongitude: 122.00º WElevation: 125 Feet
Location: Glenn County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jul 19 2025 at 7:39 AM PDTNext Issuance: Jul 20 2025 at 9:00 AM PDT
Action/Monitor: 142.0 FeetMinor Flood: 147.0 FeetModerate Flood: 149.2 FeetMajor Flood: 150.2 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Hamilton City (HAMC1)
#
# File Generation Time:  07/19/2025 at 07:39 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/14/2025 at 02:00 PM PDT
# Maximum Observed Stage:                       130.06 Feet
# Maximum Observed Flow:                        11195 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/19/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       129.95 Feet
# Maximum Forecast Flow:                        10854 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/14/2025 07 AM PDT          130.00          11010                        Normal
  07/14/2025 08 AM PDT          130.01          11041         +              Normal
  07/14/2025 09 AM PDT          130.03          11102         +              Normal
  07/14/2025 10 AM PDT          130.04          11133         +              Normal
  07/14/2025 11 AM PDT          130.05          11164         +              Normal
  07/14/2025 12 PM PDT          130.05          11164         0              Normal
  07/14/2025 01 PM PDT          130.06          11195         +              Normal
  07/14/2025 02 PM PDT          130.06          11195         0              Normal
  07/14/2025 03 PM PDT          130.05          11164         -              Normal
  07/14/2025 04 PM PDT          130.04          11133         -              Normal
  07/14/2025 05 PM PDT          130.02          11071         -              Normal
  07/14/2025 06 PM PDT          130.02          11071         0              Normal
  07/14/2025 07 PM PDT          130.00          11010         -              Normal
  07/14/2025 08 PM PDT          129.98          10947         -              Normal
  07/14/2025 09 PM PDT          129.99          10979         +              Normal
  07/14/2025 10 PM PDT          129.99          10979         0              Normal
  07/14/2025 11 PM PDT          130.00          11010         +              Normal
  07/15/2025 12 AM PDT          129.98          10947         -              Normal
  07/15/2025 01 AM PDT          129.99          10979         +              Normal
  07/15/2025 02 AM PDT          129.99          10979         0              Normal
  07/15/2025 03 AM PDT          129.99          10979         0              Normal
  07/15/2025 04 AM PDT          129.99          10979         0              Normal
  07/15/2025 05 AM PDT          130.00          11010         +              Normal
  07/15/2025 06 AM PDT          130.00          11010         0              Normal
  07/15/2025 07 AM PDT          130.01          11041         +              Normal
  07/15/2025 08 AM PDT          130.00          11010         -              Normal
  07/15/2025 09 AM PDT          130.00          11010         0              Normal
  07/15/2025 10 AM PDT          130.00          11010         0              Normal
  07/15/2025 11 AM PDT          129.99          10979         -              Normal
  07/15/2025 12 PM PDT          129.99          10979         0              Normal
  07/15/2025 01 PM PDT          129.98          10947         -              Normal
  07/15/2025 02 PM PDT          129.97          10916         -              Normal
  07/15/2025 03 PM PDT          129.95          10854         -              Normal
  07/15/2025 04 PM PDT          129.91          10731         -              Normal
  07/15/2025 05 PM PDT          129.92          10761         +              Normal
  07/15/2025 06 PM PDT          129.92          10761         0              Normal
  07/15/2025 07 PM PDT          129.91          10731         -              Normal
  07/15/2025 08 PM PDT          129.89          10669         -              Normal
  07/15/2025 09 PM PDT          129.89          10669         0              Normal
  07/15/2025 10 PM PDT          129.89          10669         0              Normal
  07/15/2025 11 PM PDT          129.88          10637         -              Normal
  07/16/2025 12 AM PDT          129.88          10637         0              Normal
  07/16/2025 01 AM PDT          129.88          10637         0              Normal
  07/16/2025 02 AM PDT          129.88          10637         0              Normal
  07/16/2025 03 AM PDT          129.88          10637         0              Normal
  07/16/2025 04 AM PDT          129.88          10637         0              Normal
  07/16/2025 05 AM PDT          129.89          10669         +              Normal
  07/16/2025 06 AM PDT          129.90          10700         +              Normal
  07/16/2025 07 AM PDT          129.90          10700         0              Normal
  07/16/2025 08 AM PDT          129.91          10731         +              Normal
  07/16/2025 09 AM PDT          129.91          10731         0              Normal
  07/16/2025 10 AM PDT          129.93          10792         +              Normal
  07/16/2025 11 AM PDT          129.93          10792         0              Normal
  07/16/2025 12 PM PDT          129.93          10792         0              Normal
  07/16/2025 01 PM PDT          129.93          10792         0              Normal
  07/16/2025 02 PM PDT          129.91          10731         -              Normal
  07/16/2025 03 PM PDT          129.91          10731         0              Normal
  07/16/2025 04 PM PDT          129.90          10700         -              Normal
  07/16/2025 05 PM PDT          129.90          10700         0              Normal
  07/16/2025 06 PM PDT          129.90          10700         0              Normal
  07/16/2025 07 PM PDT          129.88          10637         -              Normal
  07/16/2025 08 PM PDT          129.88          10637         0              Normal
  07/16/2025 09 PM PDT          129.87          10606         -              Normal
  07/16/2025 10 PM PDT          129.87          10606         0              Normal
  07/16/2025 11 PM PDT          129.87          10606         0              Normal
  07/17/2025 12 AM PDT          129.87          10606         0              Normal
  07/17/2025 01 AM PDT          129.88          10637         +              Normal
  07/17/2025 02 AM PDT          129.88          10637         0              Normal
  07/17/2025 03 AM PDT          129.89          10669         +              Normal
  07/17/2025 04 AM PDT          129.90          10700         +              Normal
  07/17/2025 05 AM PDT          129.91          10731         +              Normal
  07/17/2025 06 AM PDT          129.92          10761         +              Normal
  07/17/2025 07 AM PDT          129.93          10792         +              Normal
  07/17/2025 08 AM PDT          129.93          10792         0              Normal
  07/17/2025 09 AM PDT          129.95          10854         +              Normal
  07/17/2025 10 AM PDT          129.96          10885         +              Normal
  07/17/2025 11 AM PDT          129.97          10916         +              Normal
  07/17/2025 12 PM PDT          129.98          10947         +              Normal
  07/17/2025 01 PM PDT          129.99          10979         +              Normal
  07/17/2025 02 PM PDT          129.99          10979         0              Normal
  07/17/2025 03 PM PDT          129.98          10947         -              Normal
  07/17/2025 04 PM PDT          129.98          10947         0              Normal
  07/17/2025 05 PM PDT          129.97          10916         -              Normal
  07/17/2025 06 PM PDT          129.96          10885         -              Normal
  07/17/2025 07 PM PDT          129.95          10854         -              Normal
  07/17/2025 08 PM PDT          129.95          10854         0              Normal
  07/17/2025 09 PM PDT          129.95          10854         0              Normal
  07/17/2025 10 PM PDT          129.95          10854         0              Normal
  07/17/2025 11 PM PDT          129.95          10854         0              Normal
  07/18/2025 12 AM PDT          129.95          10854         0              Normal
  07/18/2025 01 AM PDT          129.95          10854         0              Normal
  07/18/2025 02 AM PDT          129.95          10854         0              Normal
  07/18/2025 03 AM PDT          129.95          10854         0              Normal
  07/18/2025 04 AM PDT          129.93          10792         -              Normal
  07/18/2025 05 AM PDT          129.92          10761         -              Normal
  07/18/2025 06 AM PDT          129.91          10731         -              Normal
  07/18/2025 07 AM PDT          129.91          10731         0              Normal
  07/18/2025 08 AM PDT          129.91          10731         0              Normal
  07/18/2025 09 AM PDT          129.92          10761         +              Normal
  07/18/2025 10 AM PDT          129.93          10792         +              Normal
  07/18/2025 11 AM PDT          129.93          10792         0              Normal
  07/18/2025 12 PM PDT          129.93          10792         0              Normal
  07/18/2025 01 PM PDT          129.94          10823         +              Normal
  07/18/2025 02 PM PDT          129.94          10823         0              Normal
  07/18/2025 03 PM PDT          129.94          10823         0              Normal
  07/18/2025 04 PM PDT          129.95          10854         +              Normal
  07/18/2025 05 PM PDT          129.95          10854         0              Normal
  07/18/2025 06 PM PDT          129.95          10854         0              Normal
  07/18/2025 07 PM PDT          129.94          10823         -              Normal
  07/18/2025 08 PM PDT          129.94          10823         0              Normal
  07/18/2025 09 PM PDT          129.93          10792         -              Normal
  07/18/2025 10 PM PDT          129.94          10823         +              Normal
  07/18/2025 11 PM PDT          129.94          10823         0              Normal
  07/19/2025 12 AM PDT          129.93          10792         -              Normal
  07/19/2025 01 AM PDT          129.94          10823         +              Normal
  07/19/2025 02 AM PDT          129.93          10792         -              Normal
  07/19/2025 03 AM PDT          129.93          10792         0              Normal
  07/19/2025 04 AM PDT          129.93          10792         0              Normal
  07/19/2025 05 AM PDT          129.94          10823         +              Normal
  07/19/2025 06 AM PDT          129.94          10823         0              Normal
  07/19/2025 07 AM PDT          129.94          10823         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/19/2025 08 AM PDT          129.95          10854                        Normal
  07/19/2025 09 AM PDT          129.95          10854         0              Normal
  07/19/2025 10 AM PDT          129.95          10854         0              Normal
  07/19/2025 11 AM PDT          129.95          10854         0              Normal
  07/19/2025 12 PM PDT          129.95          10854         0              Normal
  07/19/2025 01 PM PDT          129.94          10823         -              Normal
  07/19/2025 02 PM PDT          129.94          10823         0              Normal
  07/19/2025 03 PM PDT          129.94          10823         0              Normal
  07/19/2025 04 PM PDT          129.94          10823         0              Normal
  07/19/2025 05 PM PDT          129.94          10823         0              Normal
  07/19/2025 06 PM PDT          129.94          10823         0              Normal
  07/19/2025 07 PM PDT          129.94          10823         0              Normal
  07/19/2025 08 PM PDT          129.94          10823         0              Normal
  07/19/2025 09 PM PDT          129.94          10823         0              Normal
  07/19/2025 10 PM PDT          129.94          10823         0              Normal
  07/19/2025 11 PM PDT          129.94          10823         0              Normal
  07/20/2025 12 AM PDT          129.94          10823         0              Normal
  07/20/2025 01 AM PDT          129.94          10823         0              Normal
  07/20/2025 02 AM PDT          129.94          10823         0              Normal
  07/20/2025 03 AM PDT          129.94          10823         0              Normal
  07/20/2025 04 AM PDT          129.94          10823         0              Normal
  07/20/2025 05 AM PDT          129.94          10823         0              Normal
  07/20/2025 06 AM PDT          129.94          10823         0              Normal
  07/20/2025 07 AM PDT          129.94          10823         0              Normal
  07/20/2025 08 AM PDT          129.94          10823         0              Normal
  07/20/2025 09 AM PDT          129.94          10823         0              Normal
  07/20/2025 10 AM PDT          129.94          10823         0              Normal
  07/20/2025 11 AM PDT          129.93          10792         -              Normal
  07/20/2025 12 PM PDT          129.93          10792         0              Normal
  07/20/2025 01 PM PDT          129.93          10792         0              Normal
  07/20/2025 02 PM PDT          129.93          10792         0              Normal
  07/20/2025 03 PM PDT          129.93          10792         0              Normal
  07/20/2025 04 PM PDT          129.93          10792         0              Normal
  07/20/2025 05 PM PDT          129.93          10792         0              Normal
  07/20/2025 06 PM PDT          129.93          10792         0              Normal
  07/20/2025 07 PM PDT          129.93          10792         0              Normal
  07/20/2025 08 PM PDT          129.93          10792         0              Normal
  07/20/2025 09 PM PDT          129.93          10792         0              Normal
  07/20/2025 10 PM PDT          129.93          10792         0              Normal
  07/20/2025 11 PM PDT          129.93          10792         0              Normal
  07/21/2025 12 AM PDT          129.93          10792         0              Normal
  07/21/2025 01 AM PDT          129.93          10792         0              Normal
  07/21/2025 02 AM PDT          129.93          10792         0              Normal
  07/21/2025 03 AM PDT          129.93          10792         0              Normal
  07/21/2025 04 AM PDT          129.93          10792         0              Normal
  07/21/2025 05 AM PDT          129.93          10792         0              Normal
  07/21/2025 06 AM PDT          129.93          10792         0              Normal
  07/21/2025 07 AM PDT          129.93          10792         0              Normal
  07/21/2025 08 AM PDT          129.93          10792         0              Normal
  07/21/2025 09 AM PDT          129.93          10792         0              Normal
  07/21/2025 10 AM PDT          129.93          10792         0              Normal
  07/21/2025 11 AM PDT          129.93          10792         0              Normal
  07/21/2025 12 PM PDT          129.93          10792         0              Normal
  07/21/2025 01 PM PDT          129.93          10792         0              Normal
  07/21/2025 02 PM PDT          129.93          10792         0              Normal
  07/21/2025 03 PM PDT          129.93          10792         0              Normal
  07/21/2025 04 PM PDT          129.93          10792         0              Normal
  07/21/2025 05 PM PDT          129.93          10792         0              Normal
  07/21/2025 06 PM PDT          129.93          10792         0              Normal
  07/21/2025 07 PM PDT          129.93          10792         0              Normal
  07/21/2025 08 PM PDT          129.93          10792         0              Normal
  07/21/2025 09 PM PDT          129.93          10792         0              Normal
  07/21/2025 10 PM PDT          129.93          10792         0              Normal
  07/21/2025 11 PM PDT          129.93          10792         0              Normal
  07/22/2025 12 AM PDT          129.93          10792         0              Normal
  07/22/2025 01 AM PDT          129.93          10792         0              Normal
  07/22/2025 02 AM PDT          129.93          10792         0              Normal
  07/22/2025 03 AM PDT          129.93          10792         0              Normal
  07/22/2025 04 AM PDT          129.93          10792         0              Normal
  07/22/2025 05 AM PDT          129.93          10792         0              Normal
  07/22/2025 06 AM PDT          129.93          10792         0              Normal
  07/22/2025 07 AM PDT          129.93          10792         0              Normal
  07/22/2025 08 AM PDT          129.93          10792         0              Normal
  07/22/2025 09 AM PDT          129.93          10792         0              Normal
  07/22/2025 10 AM PDT          129.93          10792         0              Normal
  07/22/2025 11 AM PDT          129.93          10792         0              Normal
  07/22/2025 12 PM PDT          129.93          10792         0              Normal
  07/22/2025 01 PM PDT          129.94          10823         +              Normal
  07/22/2025 02 PM PDT          129.94          10823         0              Normal
  07/22/2025 03 PM PDT          129.93          10792         -              Normal
  07/22/2025 04 PM PDT          129.93          10792         0              Normal
  07/22/2025 05 PM PDT          129.93          10792         0              Normal
  07/22/2025 06 PM PDT          129.93          10792         0              Normal
  07/22/2025 07 PM PDT          129.93          10792         0              Normal
  07/22/2025 08 PM PDT          129.93          10792         0              Normal
  07/22/2025 09 PM PDT          129.93          10792         0              Normal
  07/22/2025 10 PM PDT          129.93          10792         0              Normal
  07/22/2025 11 PM PDT          129.93          10792         0              Normal
  07/23/2025 12 AM PDT          129.93          10792         0              Normal
  07/23/2025 01 AM PDT          129.93          10792         0              Normal
  07/23/2025 02 AM PDT          129.93          10792         0              Normal
  07/23/2025 03 AM PDT          129.93          10792         0              Normal
  07/23/2025 04 AM PDT          129.93          10792         0              Normal
  07/23/2025 05 AM PDT          129.93          10792         0              Normal
  07/23/2025 06 AM PDT          129.93          10792         0              Normal
  07/23/2025 07 AM PDT          129.93          10792         0              Normal
  07/23/2025 08 AM PDT          129.93          10792         0              Normal
  07/23/2025 09 AM PDT          129.93          10792         0              Normal
  07/23/2025 10 AM PDT          129.93          10792         0              Normal
  07/23/2025 11 AM PDT          129.93          10792         0              Normal
  07/23/2025 12 PM PDT          129.93          10792         0              Normal
  07/23/2025 01 PM PDT          129.94          10823         +              Normal
  07/23/2025 02 PM PDT          129.94          10823         0              Normal
  07/23/2025 03 PM PDT          129.94          10823         0              Normal
  07/23/2025 04 PM PDT          129.94          10823         0              Normal
  07/23/2025 05 PM PDT          129.94          10823         0              Normal
  07/23/2025 06 PM PDT          129.94          10823         0              Normal
  07/23/2025 07 PM PDT          129.94          10823         0              Normal
  07/23/2025 08 PM PDT          129.94          10823         0              Normal
  07/23/2025 09 PM PDT          129.94          10823         0              Normal
  07/23/2025 10 PM PDT          129.94          10823         0              Normal
  07/23/2025 11 PM PDT          129.94          10823         0              Normal
  07/24/2025 12 AM PDT          129.94          10823         0              Normal
  07/24/2025 01 AM PDT          129.94          10823         0              Normal
  07/24/2025 02 AM PDT          129.94          10823         0              Normal
  07/24/2025 03 AM PDT          129.94          10823         0              Normal
  07/24/2025 04 AM PDT          129.94          10823         0              Normal
  07/24/2025 05 AM PDT          129.94          10823         0              Normal
#
# 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.