MIDDLE FORK FEATHER RIVER - MERRIMAC (MRMC1)
Latitude: 39.70º NLongitude: 121.27º WElevation: 1560 Feet
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: May 09 2025 at 8:34 AM PDTNext Issuance: May 10 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: Middle Fork Feather River - Merrimac (MRMC1)
#
# File Generation Time:  05/09/2025 at 08:35 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/04/2025 at 08:00 AM PDT
# Maximum Observed Stage:                       1606.30 Feet
# Maximum Observed Flow:                        1868 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/14/2025 at 05:00 AM PDT
# Maximum Forecast Stage:                       1606.28 Feet
# Maximum Forecast Flow:                        1841 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/04/2025 08 AM PDT         1606.30           1868                Not Applicable
  05/04/2025 09 AM PDT         1606.27           1828         -      Not Applicable
  05/04/2025 10 AM PDT         1606.28           1841         +      Not Applicable
  05/04/2025 11 AM PDT         1606.28           1841         0      Not Applicable
  05/04/2025 12 PM PDT         1606.26           1815         -      Not Applicable
  05/04/2025 01 PM PDT         1606.26           1815         0      Not Applicable
  05/04/2025 02 PM PDT         1606.26           1815         0      Not Applicable
  05/04/2025 03 PM PDT         1606.25           1802         -      Not Applicable
  05/04/2025 04 PM PDT         1606.22           1763         -      Not Applicable
  05/04/2025 05 PM PDT         1606.23           1776         +      Not Applicable
  05/04/2025 06 PM PDT         1606.22           1763         -      Not Applicable
  05/04/2025 07 PM PDT         1606.23           1776         +      Not Applicable
  05/04/2025 08 PM PDT         1606.23           1776         0      Not Applicable
  05/04/2025 09 PM PDT         1606.25           1802         +      Not Applicable
  05/04/2025 10 PM PDT         1606.27           1828         +      Not Applicable
  05/04/2025 11 PM PDT         1606.27           1828         0      Not Applicable
  05/05/2025 12 AM PDT         1606.29           1855         +      Not Applicable
  05/05/2025 01 AM PDT         1606.29           1855         0      Not Applicable
  05/05/2025 02 AM PDT         1606.29           1855         0      Not Applicable
  05/05/2025 03 AM PDT         1606.29           1855         0      Not Applicable
  05/05/2025 04 AM PDT         1606.28           1841         -      Not Applicable
  05/05/2025 05 AM PDT         1606.28           1841         0      Not Applicable
  05/05/2025 06 AM PDT         1606.27           1828         -      Not Applicable
  05/05/2025 07 AM PDT         1606.25           1802         -      Not Applicable
  05/05/2025 08 AM PDT         1606.26           1815         +      Not Applicable
  05/05/2025 09 AM PDT         1606.25           1802         -      Not Applicable
  05/05/2025 10 AM PDT         1606.25           1802         0      Not Applicable
  05/05/2025 11 AM PDT         1606.25           1802         0      Not Applicable
  05/05/2025 12 PM PDT         1606.22           1763         -      Not Applicable
  05/05/2025 01 PM PDT         1606.20           1738         -      Not Applicable
  05/05/2025 02 PM PDT         1606.20           1738         0      Not Applicable
  05/05/2025 03 PM PDT         1606.20           1738         0      Not Applicable
  05/05/2025 04 PM PDT         1606.18           1713         -      Not Applicable
  05/05/2025 05 PM PDT         1606.17           1700         -      Not Applicable
  05/05/2025 06 PM PDT         1606.16           1688         -      Not Applicable
  05/05/2025 07 PM PDT         1606.14           1663         -      Not Applicable
  05/05/2025 08 PM PDT         1606.16           1688         +      Not Applicable
  05/05/2025 09 PM PDT         1606.15           1675         -      Not Applicable
  05/05/2025 10 PM PDT         1606.15           1675         0      Not Applicable
  05/05/2025 11 PM PDT         1606.16           1688         +      Not Applicable
  05/06/2025 12 AM PDT         1606.18           1713         +      Not Applicable
  05/06/2025 01 AM PDT         1606.17           1700         -      Not Applicable
  05/06/2025 02 AM PDT         1606.17           1700         0      Not Applicable
  05/06/2025 03 AM PDT         1606.16           1688         -      Not Applicable
  05/06/2025 04 AM PDT         1606.18           1713         +      Not Applicable
  05/06/2025 05 AM PDT         1606.17           1700         -      Not Applicable
  05/06/2025 06 AM PDT         1606.16           1688         -      Not Applicable
  05/06/2025 07 AM PDT         1606.17           1700         +      Not Applicable
  05/06/2025 08 AM PDT         1606.15           1675         -      Not Applicable
  05/06/2025 09 AM PDT         1606.16           1688         +      Not Applicable
  05/06/2025 10 AM PDT         1606.15           1675         -      Not Applicable
  05/06/2025 11 AM PDT         1606.15           1675         0      Not Applicable
  05/06/2025 12 PM PDT         1606.13           1651         -      Not Applicable
  05/06/2025 01 PM PDT         1606.13           1651         0      Not Applicable
  05/06/2025 02 PM PDT         1606.12           1639         -      Not Applicable
  05/06/2025 03 PM PDT         1606.12           1639         0      Not Applicable
  05/06/2025 04 PM PDT         1606.10           1615         -      Not Applicable
  05/06/2025 05 PM PDT         1606.09           1603         -      Not Applicable
  05/06/2025 06 PM PDT         1606.10           1615         +      Not Applicable
  05/06/2025 07 PM PDT         1606.07           1579         -      Not Applicable
  05/06/2025 08 PM PDT         1606.08           1591         +      Not Applicable
  05/06/2025 09 PM PDT         1606.08           1591         0      Not Applicable
  05/06/2025 10 PM PDT         1606.09           1603         +      Not Applicable
  05/06/2025 11 PM PDT         1606.10           1615         +      Not Applicable
  05/07/2025 12 AM PDT         1606.12           1639         +      Not Applicable
  05/07/2025 01 AM PDT         1606.12           1639         0      Not Applicable
  05/07/2025 02 AM PDT         1606.13           1651         +      Not Applicable
  05/07/2025 03 AM PDT         1606.12           1639         -      Not Applicable
  05/07/2025 04 AM PDT         1606.11           1627         -      Not Applicable
  05/07/2025 05 AM PDT         1606.12           1639         +      Not Applicable
  05/07/2025 06 AM PDT         1606.13           1651         +      Not Applicable
  05/07/2025 07 AM PDT         1606.10           1615         -      Not Applicable
  05/07/2025 08 AM PDT         1606.10           1615         0      Not Applicable
  05/07/2025 09 AM PDT         1606.10           1615         0      Not Applicable
  05/07/2025 10 AM PDT         1606.10           1615         0      Not Applicable
  05/07/2025 11 AM PDT         1606.09           1603         -      Not Applicable
  05/07/2025 12 PM PDT         1606.09           1603         0      Not Applicable
  05/07/2025 01 PM PDT         1606.08           1591         -      Not Applicable
  05/07/2025 02 PM PDT         1606.09           1603         +      Not Applicable
  05/07/2025 03 PM PDT         1606.06           1568         -      Not Applicable
  05/07/2025 04 PM PDT         1606.06           1568         0      Not Applicable
  05/07/2025 05 PM PDT         1606.04           1544         -      Not Applicable
  05/07/2025 06 PM PDT         1606.04           1544         0      Not Applicable
  05/07/2025 07 PM PDT         1606.03           1533         -      Not Applicable
  05/07/2025 08 PM PDT         1606.02           1522         -      Not Applicable
  05/07/2025 09 PM PDT         1606.03           1533         +      Not Applicable
  05/07/2025 10 PM PDT         1606.04           1544         +      Not Applicable
  05/07/2025 11 PM PDT         1606.05           1556         +      Not Applicable
  05/08/2025 12 AM PDT         1606.07           1579         +      Not Applicable
  05/08/2025 01 AM PDT         1606.08           1591         +      Not Applicable
  05/08/2025 02 AM PDT         1606.10           1615         +      Not Applicable
  05/08/2025 03 AM PDT         1606.10           1615         0      Not Applicable
  05/08/2025 04 AM PDT         1606.11           1627         +      Not Applicable
  05/08/2025 05 AM PDT         1606.11           1627         0      Not Applicable
  05/08/2025 06 AM PDT         1606.09           1603         -      Not Applicable
  05/08/2025 07 AM PDT         1606.10           1615         +      Not Applicable
  05/08/2025 08 AM PDT         1606.09           1603         -      Not Applicable
  05/08/2025 09 AM PDT         1606.11           1627         +      Not Applicable
  05/08/2025 10 AM PDT         1606.10           1615         -      Not Applicable
  05/08/2025 11 AM PDT         1606.09           1603         -      Not Applicable
  05/08/2025 12 PM PDT         1606.08           1591         -      Not Applicable
  05/08/2025 01 PM PDT         1606.09           1603         +      Not Applicable
  05/08/2025 02 PM PDT         1606.08           1591         -      Not Applicable
  05/08/2025 03 PM PDT         1606.07           1579         -      Not Applicable
  05/08/2025 04 PM PDT         1606.06           1568         -      Not Applicable
  05/08/2025 05 PM PDT         1606.06           1568         0      Not Applicable
  05/08/2025 06 PM PDT         1606.03           1533         -      Not Applicable
  05/08/2025 07 PM PDT         1606.03           1533         0      Not Applicable
  05/08/2025 08 PM PDT         1606.04           1544         +      Not Applicable
  05/08/2025 09 PM PDT         1606.04           1544         0      Not Applicable
  05/08/2025 10 PM PDT         1606.05           1556         +      Not Applicable
  05/08/2025 11 PM PDT         1606.07           1579         +      Not Applicable
  05/09/2025 12 AM PDT         1606.08           1591         +      Not Applicable
  05/09/2025 01 AM PDT         1606.08           1591         0      Not Applicable
  05/09/2025 02 AM PDT         1606.10           1615         +      Not Applicable
  05/09/2025 03 AM PDT         1606.10           1615         0      Not Applicable
  05/09/2025 04 AM PDT         1606.12           1639         +      Not Applicable
  05/09/2025 05 AM PDT         1606.11           1627         -      Not Applicable
  05/09/2025 06 AM PDT         1606.10           1615         -      Not Applicable
  05/09/2025 07 AM PDT         1606.11           1627         +      Not Applicable
  05/09/2025 08 AM PDT         1606.11           1627         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/09/2025 09 AM PDT         1606.12           1639                Not Applicable
  05/09/2025 10 AM PDT         1606.13           1651         +      Not Applicable
  05/09/2025 11 AM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 12 PM PDT         1606.14           1663         +      Not Applicable
  05/09/2025 01 PM PDT         1606.13           1651         -      Not Applicable
  05/09/2025 02 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 03 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 04 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 05 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 06 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 07 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 08 PM PDT         1606.13           1651         0      Not Applicable
  05/09/2025 09 PM PDT         1606.14           1663         +      Not Applicable
  05/09/2025 10 PM PDT         1606.14           1663         0      Not Applicable
  05/09/2025 11 PM PDT         1606.14           1663         0      Not Applicable
  05/10/2025 12 AM PDT         1606.14           1663         0      Not Applicable
  05/10/2025 01 AM PDT         1606.15           1675         +      Not Applicable
  05/10/2025 02 AM PDT         1606.15           1675         0      Not Applicable
  05/10/2025 03 AM PDT         1606.16           1688         +      Not Applicable
  05/10/2025 04 AM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 05 AM PDT         1606.17           1700         +      Not Applicable
  05/10/2025 06 AM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 07 AM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 08 AM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 09 AM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 10 AM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 11 AM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 12 PM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 01 PM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 02 PM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 03 PM PDT         1606.17           1700         0      Not Applicable
  05/10/2025 04 PM PDT         1606.16           1688         -      Not Applicable
  05/10/2025 05 PM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 06 PM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 07 PM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 08 PM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 09 PM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 10 PM PDT         1606.16           1688         0      Not Applicable
  05/10/2025 11 PM PDT         1606.16           1688         0      Not Applicable
  05/11/2025 12 AM PDT         1606.16           1688         0      Not Applicable
  05/11/2025 01 AM PDT         1606.17           1700         +      Not Applicable
  05/11/2025 02 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 03 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 04 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 05 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 06 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 07 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 08 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 09 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 10 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 11 AM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 12 PM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 01 PM PDT         1606.17           1700         0      Not Applicable
  05/11/2025 02 PM PDT         1606.16           1688         -      Not Applicable
  05/11/2025 03 PM PDT         1606.16           1688         0      Not Applicable
  05/11/2025 04 PM PDT         1606.15           1675         -      Not Applicable
  05/11/2025 05 PM PDT         1606.15           1675         0      Not Applicable
  05/11/2025 06 PM PDT         1606.15           1675         0      Not Applicable
  05/11/2025 07 PM PDT         1606.14           1663         -      Not Applicable
  05/11/2025 08 PM PDT         1606.14           1663         0      Not Applicable
  05/11/2025 09 PM PDT         1606.13           1651         -      Not Applicable
  05/11/2025 10 PM PDT         1606.13           1651         0      Not Applicable
  05/11/2025 11 PM PDT         1606.13           1651         0      Not Applicable
  05/12/2025 12 AM PDT         1606.12           1639         -      Not Applicable
  05/12/2025 01 AM PDT         1606.12           1639         0      Not Applicable
  05/12/2025 02 AM PDT         1606.12           1639         0      Not Applicable
  05/12/2025 03 AM PDT         1606.11           1627         -      Not Applicable
  05/12/2025 04 AM PDT         1606.11           1627         0      Not Applicable
  05/12/2025 05 AM PDT         1606.11           1627         0      Not Applicable
  05/12/2025 06 AM PDT         1606.10           1615         -      Not Applicable
  05/12/2025 07 AM PDT         1606.10           1615         0      Not Applicable
  05/12/2025 08 AM PDT         1606.09           1603         -      Not Applicable
  05/12/2025 09 AM PDT         1606.09           1603         0      Not Applicable
  05/12/2025 10 AM PDT         1606.08           1591         -      Not Applicable
  05/12/2025 11 AM PDT         1606.08           1591         0      Not Applicable
  05/12/2025 12 PM PDT         1606.07           1579         -      Not Applicable
  05/12/2025 01 PM PDT         1606.07           1579         0      Not Applicable
  05/12/2025 02 PM PDT         1606.07           1579         0      Not Applicable
  05/12/2025 03 PM PDT         1606.07           1579         0      Not Applicable
  05/12/2025 04 PM PDT         1606.06           1568         -      Not Applicable
  05/12/2025 05 PM PDT         1606.06           1568         0      Not Applicable
  05/12/2025 06 PM PDT         1606.06           1568         0      Not Applicable
  05/12/2025 07 PM PDT         1606.06           1568         0      Not Applicable
  05/12/2025 08 PM PDT         1606.07           1579         +      Not Applicable
  05/12/2025 09 PM PDT         1606.07           1579         0      Not Applicable
  05/12/2025 10 PM PDT         1606.07           1579         0      Not Applicable
  05/12/2025 11 PM PDT         1606.07           1579         0      Not Applicable
  05/13/2025 12 AM PDT         1606.08           1591         +      Not Applicable
  05/13/2025 01 AM PDT         1606.08           1591         0      Not Applicable
  05/13/2025 02 AM PDT         1606.09           1603         +      Not Applicable
  05/13/2025 03 AM PDT         1606.09           1603         0      Not Applicable
  05/13/2025 04 AM PDT         1606.10           1615         +      Not Applicable
  05/13/2025 05 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 06 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 07 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 08 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 09 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 10 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 11 AM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 12 PM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 01 PM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 02 PM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 03 PM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 04 PM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 05 PM PDT         1606.10           1615         0      Not Applicable
  05/13/2025 06 PM PDT         1606.11           1627         +      Not Applicable
  05/13/2025 07 PM PDT         1606.12           1639         +      Not Applicable
  05/13/2025 08 PM PDT         1606.13           1651         +      Not Applicable
  05/13/2025 09 PM PDT         1606.14           1663         +      Not Applicable
  05/13/2025 10 PM PDT         1606.15           1675         +      Not Applicable
  05/13/2025 11 PM PDT         1606.16           1688         +      Not Applicable
  05/14/2025 12 AM PDT         1606.18           1713         +      Not Applicable
  05/14/2025 01 AM PDT         1606.20           1738         +      Not Applicable
  05/14/2025 02 AM PDT         1606.22           1763         +      Not Applicable
  05/14/2025 03 AM PDT         1606.24           1789         +      Not Applicable
  05/14/2025 04 AM PDT         1606.26           1815         +      Not Applicable
  05/14/2025 05 AM PDT         1606.28           1841         +      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.