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: Apr 19 2025 at 7:19 AM PDTNext Issuance: Apr 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:  04/19/2025 at 07:20 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/17/2025 at 03:00 PM PDT
# Maximum Observed Stage:                       130.92 Feet
# Maximum Observed Flow:                        13997 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/19/2025 at 01:00 PM PDT
# Maximum Forecast Stage:                       130.78 Feet
# Maximum Forecast Flow:                        13523 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/14/2025 07 AM PDT          129.74          10209                        Normal
  04/14/2025 08 AM PDT          129.75          10239         +              Normal
  04/14/2025 09 AM PDT          129.75          10239         0              Normal
  04/14/2025 10 AM PDT          129.76          10269         +              Normal
  04/14/2025 11 AM PDT          129.79          10360         +              Normal
  04/14/2025 12 PM PDT          129.80          10390         +              Normal
  04/14/2025 01 PM PDT          129.81          10421         +              Normal
  04/14/2025 02 PM PDT          129.82          10451         +              Normal
  04/14/2025 03 PM PDT          129.83          10482         +              Normal
  04/14/2025 04 PM PDT          129.82          10451         -              Normal
  04/14/2025 05 PM PDT          129.79          10360         -              Normal
  04/14/2025 06 PM PDT          129.76          10269         -              Normal
  04/14/2025 07 PM PDT          129.74          10209         -              Normal
  04/14/2025 08 PM PDT          129.73          10179         -              Normal
  04/14/2025 09 PM PDT          129.71          10120         -              Normal
  04/14/2025 10 PM PDT          129.72          10149         +              Normal
  04/14/2025 11 PM PDT          129.72          10149         0              Normal
  04/15/2025 12 AM PDT          129.72          10149         0              Normal
  04/15/2025 01 AM PDT          129.72          10149         0              Normal
  04/15/2025 02 AM PDT          129.71          10120         -              Normal
  04/15/2025 03 AM PDT          129.71          10120         0              Normal
  04/15/2025 04 AM PDT          129.71          10120         0              Normal
  04/15/2025 05 AM PDT          129.70          10090         -              Normal
  04/15/2025 06 AM PDT          129.70          10090         0              Normal
  04/15/2025 07 AM PDT          129.69          10051         -              Normal
  04/15/2025 08 AM PDT          129.68          10013         -              Normal
  04/15/2025 09 AM PDT          129.69          10051         +              Normal
  04/15/2025 10 AM PDT          129.69          10051         0              Normal
  04/15/2025 11 AM PDT          129.69          10051         0              Normal
  04/15/2025 12 PM PDT          129.69          10051         0              Normal
  04/15/2025 01 PM PDT          129.70          10090         +              Normal
  04/15/2025 02 PM PDT          129.69          10051         -              Normal
  04/15/2025 03 PM PDT          129.67           9975         -              Normal
  04/15/2025 04 PM PDT          129.66           9937         -              Normal
  04/15/2025 05 PM PDT          129.65           9899         -              Normal
  04/15/2025 06 PM PDT          129.66           9937         +              Normal
  04/15/2025 07 PM PDT          129.67           9975         +              Normal
  04/15/2025 08 PM PDT          129.67           9975         0              Normal
  04/15/2025 09 PM PDT          129.64           9861         -              Normal
  04/15/2025 10 PM PDT          129.67           9975         +              Normal
  04/15/2025 11 PM PDT          129.66           9937         -              Normal
  04/16/2025 12 AM PDT          129.66           9937         0              Normal
  04/16/2025 01 AM PDT          129.66           9937         0              Normal
  04/16/2025 02 AM PDT          129.65           9899         -              Normal
  04/16/2025 03 AM PDT          129.64           9861         -              Normal
  04/16/2025 04 AM PDT          129.63           9823         -              Normal
  04/16/2025 05 AM PDT          129.61           9748         -              Normal
  04/16/2025 06 AM PDT          129.58           9649         -              Normal
  04/16/2025 07 AM PDT          129.58           9649         0              Normal
  04/16/2025 08 AM PDT          129.57           9618         -              Normal
  04/16/2025 09 AM PDT          129.57           9618         0              Normal
  04/16/2025 10 AM PDT          129.58           9649         +              Normal
  04/16/2025 11 AM PDT          129.58           9649         0              Normal
  04/16/2025 12 PM PDT          129.60           9711         +              Normal
  04/16/2025 01 PM PDT          129.61           9748         +              Normal
  04/16/2025 02 PM PDT          129.62           9786         +              Normal
  04/16/2025 03 PM PDT          129.61           9748         -              Normal
  04/16/2025 04 PM PDT          129.58           9649         -              Normal
  04/16/2025 05 PM PDT          129.57           9618         -              Normal
  04/16/2025 06 PM PDT          129.54           9526         -              Normal
  04/16/2025 07 PM PDT          129.55           9557         +              Normal
  04/16/2025 08 PM PDT          129.53           9496         -              Normal
  04/16/2025 09 PM PDT          129.51           9435         -              Normal
  04/16/2025 10 PM PDT          129.52           9465         +              Normal
  04/16/2025 11 PM PDT          129.52           9465         0              Normal
  04/17/2025 12 AM PDT          129.53           9496         +              Normal
  04/17/2025 01 AM PDT          129.53           9496         0              Normal
  04/17/2025 02 AM PDT          129.55           9557         +              Normal
  04/17/2025 03 AM PDT          129.61           9748         +              Normal
  04/17/2025 04 AM PDT          129.79          10360         +              Normal
  04/17/2025 05 AM PDT          130.03          11102         +              Normal
  04/17/2025 06 AM PDT          130.26          11831         +              Normal
  04/17/2025 07 AM PDT          130.46          12471         +              Normal
  04/17/2025 08 AM PDT          130.61          12963         +              Normal
  04/17/2025 09 AM PDT          130.71          13293         +              Normal
  04/17/2025 10 AM PDT          130.79          13557         +              Normal
  04/17/2025 11 AM PDT          130.84          13725         +              Normal
  04/17/2025 12 PM PDT          130.87          13827         +              Normal
  04/17/2025 01 PM PDT          130.90          13930         +              Normal
  04/17/2025 02 PM PDT          130.91          13964         +              Normal
  04/17/2025 03 PM PDT          130.92          13997         +              Normal
  04/17/2025 04 PM PDT          130.91          13964         -              Normal
  04/17/2025 05 PM PDT          130.90          13930         -              Normal
  04/17/2025 06 PM PDT          130.90          13930         0              Normal
  04/17/2025 07 PM PDT          130.87          13827         -              Normal
  04/17/2025 08 PM PDT          130.87          13827         0              Normal
  04/17/2025 09 PM PDT          130.86          13793         -              Normal
  04/17/2025 10 PM PDT          130.87          13827         +              Normal
  04/17/2025 11 PM PDT          130.88          13861         +              Normal
  04/18/2025 12 AM PDT          130.87          13827         -              Normal
  04/18/2025 01 AM PDT          130.86          13793         -              Normal
  04/18/2025 02 AM PDT          130.85          13759         -              Normal
  04/18/2025 03 AM PDT          130.84          13725         -              Normal
  04/18/2025 04 AM PDT          130.84          13725         0              Normal
  04/18/2025 05 AM PDT          130.83          13691         -              Normal
  04/18/2025 06 AM PDT          130.84          13725         +              Normal
  04/18/2025 07 AM PDT          130.84          13725         0              Normal
  04/18/2025 08 AM PDT          130.84          13725         0              Normal
  04/18/2025 09 AM PDT          130.85          13759         +              Normal
  04/18/2025 10 AM PDT          130.86          13793         +              Normal
  04/18/2025 11 AM PDT          130.87          13827         +              Normal
  04/18/2025 12 PM PDT          130.87          13827         0              Normal
  04/18/2025 01 PM PDT          130.88          13861         +              Normal
  04/18/2025 02 PM PDT          130.85          13759         -              Normal
  04/18/2025 03 PM PDT          130.87          13827         +              Normal
  04/18/2025 04 PM PDT          130.84          13725         -              Normal
  04/18/2025 05 PM PDT          130.82          13657         -              Normal
  04/18/2025 06 PM PDT          130.83          13691         +              Normal
  04/18/2025 07 PM PDT          130.81          13624         -              Normal
  04/18/2025 08 PM PDT          130.78          13523         -              Normal
  04/18/2025 09 PM PDT          130.80          13590         +              Normal
  04/18/2025 10 PM PDT          130.80          13590         0              Normal
  04/18/2025 11 PM PDT          130.80          13590         0              Normal
  04/19/2025 12 AM PDT          130.80          13590         0              Normal
  04/19/2025 01 AM PDT          130.79          13557         -              Normal
  04/19/2025 02 AM PDT          130.79          13557         0              Normal
  04/19/2025 03 AM PDT          130.78          13523         -              Normal
  04/19/2025 04 AM PDT          130.78          13523         0              Normal
  04/19/2025 05 AM PDT          130.77          13490         -              Normal
  04/19/2025 06 AM PDT          130.77          13490         0              Normal
  04/19/2025 07 AM PDT          130.76          13457         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/19/2025 08 AM PDT          130.76          13457                        Normal
  04/19/2025 09 AM PDT          130.76          13457         0              Normal
  04/19/2025 10 AM PDT          130.76          13457         0              Normal
  04/19/2025 11 AM PDT          130.77          13490         +              Normal
  04/19/2025 12 PM PDT          130.77          13490         0              Normal
  04/19/2025 01 PM PDT          130.78          13523         +              Normal
  04/19/2025 02 PM PDT          130.78          13523         0              Normal
  04/19/2025 03 PM PDT          130.78          13523         0              Normal
  04/19/2025 04 PM PDT          130.78          13523         0              Normal
  04/19/2025 05 PM PDT          130.78          13523         0              Normal
  04/19/2025 06 PM PDT          130.78          13523         0              Normal
  04/19/2025 07 PM PDT          130.78          13523         0              Normal
  04/19/2025 08 PM PDT          130.77          13490         -              Normal
  04/19/2025 09 PM PDT          130.77          13490         0              Normal
  04/19/2025 10 PM PDT          130.77          13490         0              Normal
  04/19/2025 11 PM PDT          130.77          13490         0              Normal
  04/20/2025 12 AM PDT          130.76          13457         -              Normal
  04/20/2025 01 AM PDT          130.76          13457         0              Normal
  04/20/2025 02 AM PDT          130.76          13457         0              Normal
  04/20/2025 03 AM PDT          130.76          13457         0              Normal
  04/20/2025 04 AM PDT          130.76          13457         0              Normal
  04/20/2025 05 AM PDT          130.75          13424         -              Normal
  04/20/2025 06 AM PDT          130.75          13424         0              Normal
  04/20/2025 07 AM PDT          130.75          13424         0              Normal
  04/20/2025 08 AM PDT          130.75          13424         0              Normal
  04/20/2025 09 AM PDT          130.75          13424         0              Normal
  04/20/2025 10 AM PDT          130.75          13424         0              Normal
  04/20/2025 11 AM PDT          130.75          13424         0              Normal
  04/20/2025 12 PM PDT          130.75          13424         0              Normal
  04/20/2025 01 PM PDT          130.75          13424         0              Normal
  04/20/2025 02 PM PDT          130.75          13424         0              Normal
  04/20/2025 03 PM PDT          130.75          13424         0              Normal
  04/20/2025 04 PM PDT          130.75          13424         0              Normal
  04/20/2025 05 PM PDT          130.75          13424         0              Normal
  04/20/2025 06 PM PDT          130.74          13391         -              Normal
  04/20/2025 07 PM PDT          130.73          13358         -              Normal
  04/20/2025 08 PM PDT          130.71          13293         -              Normal
  04/20/2025 09 PM PDT          130.68          13193         -              Normal
  04/20/2025 10 PM PDT          130.65          13094         -              Normal
  04/20/2025 11 PM PDT          130.61          12963         -              Normal
  04/21/2025 12 AM PDT          130.56          12797         -              Normal
  04/21/2025 01 AM PDT          130.52          12665         -              Normal
  04/21/2025 02 AM PDT          130.49          12568         -              Normal
  04/21/2025 03 AM PDT          130.45          12439         -              Normal
  04/21/2025 04 AM PDT          130.43          12375         -              Normal
  04/21/2025 05 AM PDT          130.41          12312         -              Normal
  04/21/2025 06 AM PDT          130.39          12248         -              Normal
  04/21/2025 07 AM PDT          130.38          12215         -              Normal
  04/21/2025 08 AM PDT          130.37          12183         -              Normal
  04/21/2025 09 AM PDT          130.37          12183         0              Normal
  04/21/2025 10 AM PDT          130.36          12151         -              Normal
  04/21/2025 11 AM PDT          130.36          12151         0              Normal
  04/21/2025 12 PM PDT          130.36          12151         0              Normal
  04/21/2025 01 PM PDT          130.36          12151         0              Normal
  04/21/2025 02 PM PDT          130.37          12183         +              Normal
  04/21/2025 03 PM PDT          130.37          12183         0              Normal
  04/21/2025 04 PM PDT          130.37          12183         0              Normal
  04/21/2025 05 PM PDT          130.37          12183         0              Normal
  04/21/2025 06 PM PDT          130.37          12183         0              Normal
  04/21/2025 07 PM PDT          130.36          12151         -              Normal
  04/21/2025 08 PM PDT          130.34          12087         -              Normal
  04/21/2025 09 PM PDT          130.32          12023         -              Normal
  04/21/2025 10 PM PDT          130.29          11928         -              Normal
  04/21/2025 11 PM PDT          130.26          11831         -              Normal
  04/22/2025 12 AM PDT          130.22          11703         -              Normal
  04/22/2025 01 AM PDT          130.19          11608         -              Normal
  04/22/2025 02 AM PDT          130.17          11543         -              Normal
  04/22/2025 03 AM PDT          130.14          11447         -              Normal
  04/22/2025 04 AM PDT          130.13          11415         -              Normal
  04/22/2025 05 AM PDT          130.11          11352         -              Normal
  04/22/2025 06 AM PDT          130.10          11320         -              Normal
  04/22/2025 07 AM PDT          130.09          11289         -              Normal
  04/22/2025 08 AM PDT          130.09          11289         0              Normal
  04/22/2025 09 AM PDT          130.08          11257         -              Normal
  04/22/2025 10 AM PDT          130.08          11257         0              Normal
  04/22/2025 11 AM PDT          130.08          11257         0              Normal
  04/22/2025 12 PM PDT          130.08          11257         0              Normal
  04/22/2025 01 PM PDT          130.08          11257         0              Normal
  04/22/2025 02 PM PDT          130.09          11289         +              Normal
  04/22/2025 03 PM PDT          130.09          11289         0              Normal
  04/22/2025 04 PM PDT          130.09          11289         0              Normal
  04/22/2025 05 PM PDT          130.09          11289         0              Normal
  04/22/2025 06 PM PDT          130.09          11289         0              Normal
  04/22/2025 07 PM PDT          130.08          11257         -              Normal
  04/22/2025 08 PM PDT          130.06          11195         -              Normal
  04/22/2025 09 PM PDT          130.04          11133         -              Normal
  04/22/2025 10 PM PDT          130.00          11010         -              Normal
  04/22/2025 11 PM PDT          129.97          10916         -              Normal
  04/23/2025 12 AM PDT          129.93          10792         -              Normal
  04/23/2025 01 AM PDT          129.90          10700         -              Normal
  04/23/2025 02 AM PDT          129.87          10606         -              Normal
  04/23/2025 03 AM PDT          129.85          10544         -              Normal
  04/23/2025 04 AM PDT          129.83          10482         -              Normal
  04/23/2025 05 AM PDT          129.81          10421         -              Normal
  04/23/2025 06 AM PDT          129.80          10390         -              Normal
  04/23/2025 07 AM PDT          129.79          10360         -              Normal
  04/23/2025 08 AM PDT          129.78          10329         -              Normal
  04/23/2025 09 AM PDT          129.78          10329         0              Normal
  04/23/2025 10 AM PDT          129.78          10329         0              Normal
  04/23/2025 11 AM PDT          129.77          10299         -              Normal
  04/23/2025 12 PM PDT          129.77          10299         0              Normal
  04/23/2025 01 PM PDT          129.77          10299         0              Normal
  04/23/2025 02 PM PDT          129.77          10299         0              Normal
  04/23/2025 03 PM PDT          129.77          10299         0              Normal
  04/23/2025 04 PM PDT          129.77          10299         0              Normal
  04/23/2025 05 PM PDT          129.77          10299         0              Normal
  04/23/2025 06 PM PDT          129.77          10299         0              Normal
  04/23/2025 07 PM PDT          129.76          10269         -              Normal
  04/23/2025 08 PM PDT          129.75          10239         -              Normal
  04/23/2025 09 PM PDT          129.73          10179         -              Normal
  04/23/2025 10 PM PDT          129.70          10090         -              Normal
  04/23/2025 11 PM PDT          129.68          10013         -              Normal
  04/24/2025 12 AM PDT          129.66           9937         -              Normal
  04/24/2025 01 AM PDT          129.65           9899         -              Normal
  04/24/2025 02 AM PDT          129.63           9823         -              Normal
  04/24/2025 03 AM PDT          129.62           9786         -              Normal
  04/24/2025 04 AM PDT          129.61           9748         -              Normal
  04/24/2025 05 AM PDT          129.60           9711         -              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.