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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
| Latitude: 39.75º N | Longitude: 122.00º W | Elevation: 125 Feet | | Forecast Type: Official Location |
| Location: Glenn County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Apr 19 2026 at 8:05 AM PDT | Next Issuance: | Apr 20 2026 at 9:00 AM PDT
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| Action/Monitor: 142.0 Feet | Minor Flood: 147.0 Feet | Moderate Flood: 149.2 Feet | Major Flood: 150.2 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Hamilton City (HAMC1)
#
# File Generation Time: 04/19/2026 at 08:05 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/14/2026 at 09:00 AM PDT
# Maximum Observed Stage: 130.13 Feet
# Maximum Observed Flow: 11092 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/22/2026 at 04:00 PM PDT
# Maximum Forecast Stage: 132.49 Feet
# Maximum Forecast Flow: 19372 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/14/2026 08 AM PDT 130.13 11092 Normal
04/14/2026 09 AM PDT 130.13 11092 0 Normal
04/14/2026 10 AM PDT 130.09 10968 - Normal
04/14/2026 11 AM PDT 130.08 10935 - Normal
04/14/2026 12 PM PDT 130.06 10871 - Normal
04/14/2026 01 PM PDT 130.03 10775 - Normal
04/14/2026 02 PM PDT 130.01 10712 - Normal
04/14/2026 03 PM PDT 129.98 10613 - Normal
04/14/2026 04 PM PDT 129.96 10547 - Normal
04/14/2026 05 PM PDT 129.93 10448 - Normal
04/14/2026 06 PM PDT 129.91 10383 - Normal
04/14/2026 07 PM PDT 129.89 10313 - Normal
04/14/2026 08 PM PDT 129.88 10277 - Normal
04/14/2026 09 PM PDT 129.85 10168 - Normal
04/14/2026 10 PM PDT 129.82 10060 - Normal
04/14/2026 11 PM PDT 129.79 9953 - Normal
04/15/2026 12 AM PDT 129.74 9776 - Normal
04/15/2026 01 AM PDT 129.68 9583 - Normal
04/15/2026 02 AM PDT 129.66 9530 - Normal
04/15/2026 03 AM PDT 129.62 9424 - Normal
04/15/2026 04 AM PDT 129.59 9345 - Normal
04/15/2026 05 AM PDT 129.57 9294 - Normal
04/15/2026 06 AM PDT 129.55 9244 - Normal
04/15/2026 07 AM PDT 129.54 9218 - Normal
04/15/2026 08 AM PDT 129.54 9218 0 Normal
04/15/2026 09 AM PDT 129.53 9193 - Normal
04/15/2026 10 AM PDT 129.55 9244 + Normal
04/15/2026 11 AM PDT 129.53 9193 - Normal
04/15/2026 12 PM PDT 129.52 9168 - Normal
04/15/2026 01 PM PDT 129.49 9092 - Normal
04/15/2026 02 PM PDT 129.48 9067 - Normal
04/15/2026 03 PM PDT 129.48 9067 0 Normal
04/15/2026 04 PM PDT 129.46 9016 - Normal
04/15/2026 05 PM PDT 129.45 8991 - Normal
04/15/2026 06 PM PDT 129.43 8941 - Normal
04/15/2026 07 PM PDT 129.41 8891 - Normal
04/15/2026 08 PM PDT 129.41 8891 0 Normal
04/15/2026 09 PM PDT 129.39 8841 - Normal
04/15/2026 10 PM PDT 129.38 8815 - Normal
04/15/2026 11 PM PDT 129.33 8690 - Normal
04/16/2026 12 AM PDT 129.33 8690 0 Normal
04/16/2026 01 AM PDT 129.29 8590 - Normal
04/16/2026 02 AM PDT 129.27 8539 - Normal
04/16/2026 03 AM PDT 129.23 8439 - Normal
04/16/2026 04 AM PDT 129.21 8390 - Normal
04/16/2026 05 AM PDT 129.19 8340 - Normal
04/16/2026 06 AM PDT 129.17 8289 - Normal
04/16/2026 07 AM PDT 129.16 8264 - Normal
04/16/2026 08 AM PDT 129.17 8289 + Normal
04/16/2026 09 AM PDT 129.15 8239 - Normal
04/16/2026 10 AM PDT 129.14 8214 - Normal
04/16/2026 11 AM PDT 129.15 8239 + Normal
04/16/2026 12 PM PDT 129.14 8214 - Normal
04/16/2026 01 PM PDT 129.18 8314 + Normal
04/16/2026 02 PM PDT 129.18 8314 0 Normal
04/16/2026 03 PM PDT 129.20 8365 + Normal
04/16/2026 04 PM PDT 129.15 8239 - Normal
04/16/2026 05 PM PDT 129.11 8140 - Normal
04/16/2026 06 PM PDT 129.07 8040 - Normal
04/16/2026 07 PM PDT 129.06 8014 - Normal
04/16/2026 08 PM PDT 129.09 8090 + Normal
04/16/2026 09 PM PDT 129.07 8040 - Normal
04/16/2026 10 PM PDT 129.08 8065 + Normal
04/16/2026 11 PM PDT 129.08 8065 0 Normal
04/17/2026 12 AM PDT 129.08 8065 0 Normal
04/17/2026 01 AM PDT 129.08 8065 0 Normal
04/17/2026 02 AM PDT 129.07 8040 - Normal
04/17/2026 03 AM PDT 129.06 8014 - Normal
04/17/2026 04 AM PDT 129.06 8014 0 Normal
04/17/2026 05 AM PDT 129.07 8040 + Normal
04/17/2026 06 AM PDT 129.07 8040 0 Normal
04/17/2026 07 AM PDT 129.05 7990 - Normal
04/17/2026 08 AM PDT 129.04 7965 - Normal
04/17/2026 09 AM PDT 129.06 8014 + Normal
04/17/2026 10 AM PDT 129.06 8014 0 Normal
04/17/2026 11 AM PDT 129.07 8040 + Normal
04/17/2026 12 PM PDT 129.08 8065 + Normal
04/17/2026 01 PM PDT 129.10 8115 + Normal
04/17/2026 02 PM PDT 129.12 8164 + Normal
04/17/2026 03 PM PDT 129.14 8214 + Normal
04/17/2026 04 PM PDT 129.12 8164 - Normal
04/17/2026 05 PM PDT 129.09 8090 - Normal
04/17/2026 06 PM PDT 129.06 8014 - Normal
04/17/2026 07 PM PDT 129.03 7940 - Normal
04/17/2026 08 PM PDT 129.00 7866 - Normal
04/17/2026 09 PM PDT 128.98 7816 - Normal
04/17/2026 10 PM PDT 128.95 7741 - Normal
04/17/2026 11 PM PDT 128.94 7716 - Normal
04/18/2026 12 AM PDT 128.93 7692 - Normal
04/18/2026 01 AM PDT 128.92 7667 - Normal
04/18/2026 02 AM PDT 128.91 7642 - Normal
04/18/2026 03 AM PDT 128.90 7618 - Normal
04/18/2026 04 AM PDT 128.89 7593 - Normal
04/18/2026 05 AM PDT 128.89 7593 0 Normal
04/18/2026 06 AM PDT 128.88 7568 - Normal
04/18/2026 07 AM PDT 128.88 7568 0 Normal
04/18/2026 08 AM PDT 128.88 7568 0 Normal
04/18/2026 09 AM PDT 128.88 7568 0 Normal
04/18/2026 10 AM PDT 128.88 7568 0 Normal
04/18/2026 11 AM PDT 128.88 7568 0 Normal
04/18/2026 12 PM PDT 128.88 7568 0 Normal
04/18/2026 01 PM PDT 128.88 7568 0 Normal
04/18/2026 02 PM PDT 128.89 7593 + Normal
04/18/2026 03 PM PDT 128.88 7568 - Normal
04/18/2026 04 PM PDT 128.88 7568 0 Normal
04/18/2026 05 PM PDT 128.87 7543 - Normal
04/18/2026 06 PM PDT 128.86 7518 - Normal
04/18/2026 07 PM PDT 128.85 7493 - Normal
04/18/2026 08 PM PDT 128.84 7468 - Normal
04/18/2026 09 PM PDT 128.84 7468 0 Normal
04/18/2026 10 PM PDT 128.83 7444 - Normal
04/18/2026 11 PM PDT 128.83 7444 0 Normal
04/19/2026 12 AM PDT 128.82 7419 - Normal
04/19/2026 01 AM PDT 128.80 7370 - Normal
04/19/2026 02 AM PDT 128.79 7345 - Normal
04/19/2026 03 AM PDT 128.78 7320 - Normal
04/19/2026 04 AM PDT 128.78 7320 0 Normal
04/19/2026 05 AM PDT 128.78 7320 0 Normal
04/19/2026 06 AM PDT 128.78 7320 0 Normal
04/19/2026 07 AM PDT 128.79 7345 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/19/2026 08 AM PDT 128.80 7370 Normal
04/19/2026 09 AM PDT 128.81 7394 + Normal
04/19/2026 10 AM PDT 128.82 7419 + Normal
04/19/2026 11 AM PDT 128.83 7444 + Normal
04/19/2026 12 PM PDT 128.84 7468 + Normal
04/19/2026 01 PM PDT 128.85 7493 + Normal
04/19/2026 02 PM PDT 128.86 7518 + Normal
04/19/2026 03 PM PDT 128.86 7518 0 Normal
04/19/2026 04 PM PDT 128.86 7518 0 Normal
04/19/2026 05 PM PDT 128.85 7493 - Normal
04/19/2026 06 PM PDT 128.84 7468 - Normal
04/19/2026 07 PM PDT 128.84 7468 0 Normal
04/19/2026 08 PM PDT 128.83 7444 - Normal
04/19/2026 09 PM PDT 128.83 7444 0 Normal
04/19/2026 10 PM PDT 128.82 7419 - Normal
04/19/2026 11 PM PDT 128.82 7419 0 Normal
04/20/2026 12 AM PDT 128.81 7394 - Normal
04/20/2026 01 AM PDT 128.81 7394 0 Normal
04/20/2026 02 AM PDT 128.81 7394 0 Normal
04/20/2026 03 AM PDT 128.81 7394 0 Normal
04/20/2026 04 AM PDT 128.81 7394 0 Normal
04/20/2026 05 AM PDT 128.81 7394 0 Normal
04/20/2026 06 AM PDT 128.81 7394 0 Normal
04/20/2026 07 AM PDT 128.81 7394 0 Normal
04/20/2026 08 AM PDT 128.81 7394 0 Normal
04/20/2026 09 AM PDT 128.81 7394 0 Normal
04/20/2026 10 AM PDT 128.81 7394 0 Normal
04/20/2026 11 AM PDT 128.81 7394 0 Normal
04/20/2026 12 PM PDT 128.81 7394 0 Normal
04/20/2026 01 PM PDT 128.81 7394 0 Normal
04/20/2026 02 PM PDT 128.81 7394 0 Normal
04/20/2026 03 PM PDT 128.81 7394 0 Normal
04/20/2026 04 PM PDT 128.81 7394 0 Normal
04/20/2026 05 PM PDT 128.81 7394 0 Normal
04/20/2026 06 PM PDT 128.82 7419 + Normal
04/20/2026 07 PM PDT 128.82 7419 0 Normal
04/20/2026 08 PM PDT 128.82 7419 0 Normal
04/20/2026 09 PM PDT 128.82 7419 0 Normal
04/20/2026 10 PM PDT 128.83 7444 + Normal
04/20/2026 11 PM PDT 128.84 7468 + Normal
04/21/2026 12 AM PDT 128.84 7468 0 Normal
04/21/2026 01 AM PDT 128.85 7493 + Normal
04/21/2026 02 AM PDT 128.87 7543 + Normal
04/21/2026 03 AM PDT 128.88 7568 + Normal
04/21/2026 04 AM PDT 128.91 7642 + Normal
04/21/2026 05 AM PDT 128.93 7692 + Normal
04/21/2026 06 AM PDT 128.96 7766 + Normal
04/21/2026 07 AM PDT 129.00 7866 + Normal
04/21/2026 08 AM PDT 129.04 7965 + Normal
04/21/2026 09 AM PDT 129.08 8065 + Normal
04/21/2026 10 AM PDT 129.13 8189 + Normal
04/21/2026 11 AM PDT 129.19 8340 + Normal
04/21/2026 12 PM PDT 129.26 8514 + Normal
04/21/2026 01 PM PDT 129.34 8715 + Normal
04/21/2026 02 PM PDT 129.44 8966 + Normal
04/21/2026 03 PM PDT 129.57 9294 + Normal
04/21/2026 04 PM PDT 129.71 9672 + Normal
04/21/2026 05 PM PDT 129.83 10096 + Normal
04/21/2026 06 PM PDT 129.97 10580 + Normal
04/21/2026 07 PM PDT 130.12 11061 + Normal
04/21/2026 08 PM PDT 130.27 11533 + Normal
04/21/2026 09 PM PDT 130.41 11992 + Normal
04/21/2026 10 PM PDT 130.54 12411 + Normal
04/21/2026 11 PM PDT 130.67 12840 + Normal
04/22/2026 12 AM PDT 130.79 13246 + Normal
04/22/2026 01 AM PDT 130.92 13687 + Normal
04/22/2026 02 AM PDT 131.05 14129 + Normal
04/22/2026 03 AM PDT 131.19 14615 + Normal
04/22/2026 04 AM PDT 131.33 15104 + Normal
04/22/2026 05 AM PDT 131.47 15601 + Normal
04/22/2026 06 AM PDT 131.63 16177 + Normal
04/22/2026 07 AM PDT 131.78 16717 + Normal
04/22/2026 08 AM PDT 131.92 17233 + Normal
04/22/2026 09 AM PDT 132.05 17714 + Normal
04/22/2026 10 AM PDT 132.16 18121 + Normal
04/22/2026 11 AM PDT 132.26 18497 + Normal
04/22/2026 12 PM PDT 132.34 18801 + Normal
04/22/2026 01 PM PDT 132.40 19030 + Normal
04/22/2026 02 PM PDT 132.44 19181 + Normal
04/22/2026 03 PM PDT 132.47 19295 + Normal
04/22/2026 04 PM PDT 132.49 19372 + Normal
04/22/2026 05 PM PDT 132.49 19372 0 Normal
04/22/2026 06 PM PDT 132.49 19372 0 Normal
04/22/2026 07 PM PDT 132.48 19333 - Normal
04/22/2026 08 PM PDT 132.45 19219 - Normal
04/22/2026 09 PM PDT 132.42 19105 - Normal
04/22/2026 10 PM PDT 132.38 18953 - Normal
04/22/2026 11 PM PDT 132.33 18763 - Normal
04/23/2026 12 AM PDT 132.28 18573 - Normal
04/23/2026 01 AM PDT 132.22 18345 - Normal
04/23/2026 02 AM PDT 132.17 18158 - Normal
04/23/2026 03 AM PDT 132.11 17937 - Normal
04/23/2026 04 AM PDT 132.05 17714 - Normal
04/23/2026 05 AM PDT 131.98 17455 - Normal
04/23/2026 06 AM PDT 131.90 17160 - Normal
04/23/2026 07 AM PDT 131.82 16863 - Normal
04/23/2026 08 AM PDT 131.73 16537 - Normal
04/23/2026 09 AM PDT 131.63 16177 - Normal
04/23/2026 10 AM PDT 131.54 15853 - Normal
04/23/2026 11 AM PDT 131.45 15529 - Normal
04/23/2026 12 PM PDT 131.35 15174 - Normal
04/23/2026 01 PM PDT 131.25 14824 - Normal
04/23/2026 02 PM PDT 131.16 14509 - Normal
04/23/2026 03 PM PDT 131.06 14163 - Normal
04/23/2026 04 PM PDT 130.97 13857 - Normal
04/23/2026 05 PM PDT 130.87 13517 - Normal
04/23/2026 06 PM PDT 130.78 13211 - Normal
04/23/2026 07 PM PDT 130.70 12940 - Normal
04/23/2026 08 PM PDT 130.62 12675 - Normal
04/23/2026 09 PM PDT 130.55 12444 - Normal
04/23/2026 10 PM PDT 130.47 12183 - Normal
04/23/2026 11 PM PDT 130.41 11992 - Normal
04/24/2026 12 AM PDT 130.34 11761 - Normal
04/24/2026 01 AM PDT 130.28 11565 - Normal
04/24/2026 02 AM PDT 130.23 11405 - Normal
04/24/2026 03 AM PDT 130.18 11247 - Normal
04/24/2026 04 AM PDT 130.13 11092 - Normal
04/24/2026 05 AM PDT 130.08 10935 - 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.
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