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

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MIDDLE FORK FEATHER RIVER - MERRIMAC (MRMC1)
Latitude: 39.70º NLongitude: 121.27º WElevation: 1560 FeetForecast Type: Unofficial Location
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Mar 13 2026 at 1:09 PM PDTNext Issuance: Mar 14 2026 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:  03/13/2026 at 01:12 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/09/2026 at 12:00 AM PDT
# Maximum Observed Stage:                       1606.76 Feet
# Maximum Observed Flow:                        2548 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/18/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       1606.35 Feet
# Maximum Forecast Flow:                        1935 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/08/2026 01 PM PDT         1606.75           2532                Not Applicable
  03/08/2026 02 PM PDT         1606.73           2499         -      Not Applicable
  03/08/2026 03 PM PDT         1606.74           2515         +      Not Applicable
  03/08/2026 04 PM PDT         1606.71           2467         -      Not Applicable
  03/08/2026 05 PM PDT         1606.72           2483         +      Not Applicable
  03/08/2026 06 PM PDT         1606.72           2483         0      Not Applicable
  03/08/2026 07 PM PDT         1606.71           2467         -      Not Applicable
  03/08/2026 08 PM PDT         1606.74           2515         +      Not Applicable
  03/08/2026 09 PM PDT         1606.74           2515         0      Not Applicable
  03/08/2026 10 PM PDT         1606.74           2515         0      Not Applicable
  03/08/2026 11 PM PDT         1606.75           2532         +      Not Applicable
  03/09/2026 12 AM PDT         1606.76           2548         +      Not Applicable
  03/09/2026 01 AM PDT         1606.75           2532         -      Not Applicable
  03/09/2026 02 AM PDT         1606.74           2515         -      Not Applicable
  03/09/2026 03 AM PDT         1606.74           2515         0      Not Applicable
  03/09/2026 04 AM PDT         1606.72           2483         -      Not Applicable
  03/09/2026 05 AM PDT         1606.74           2515         +      Not Applicable
  03/09/2026 06 AM PDT         1606.71           2467         -      Not Applicable
  03/09/2026 07 AM PDT         1606.71           2467         0      Not Applicable
  03/09/2026 08 AM PDT         1606.70           2451         -      Not Applicable
  03/09/2026 09 AM PDT         1606.70           2451         0      Not Applicable
  03/09/2026 10 AM PDT         1606.70           2451         0      Not Applicable
  03/09/2026 11 AM PDT         1606.70           2451         0      Not Applicable
  03/09/2026 12 PM PDT         1606.68           2419         -      Not Applicable
  03/09/2026 01 PM PDT         1606.68           2419         0      Not Applicable
  03/09/2026 02 PM PDT         1606.68           2419         0      Not Applicable
  03/09/2026 03 PM PDT         1606.66           2387         -      Not Applicable
  03/09/2026 04 PM PDT         1606.67           2403         +      Not Applicable
  03/09/2026 05 PM PDT         1606.64           2356         -      Not Applicable
  03/09/2026 06 PM PDT         1606.66           2387         +      Not Applicable
  03/09/2026 07 PM PDT         1606.63           2341         -      Not Applicable
  03/09/2026 08 PM PDT         1606.63           2341         0      Not Applicable
  03/09/2026 09 PM PDT         1606.65           2372         +      Not Applicable
  03/09/2026 10 PM PDT         1606.64           2356         -      Not Applicable
  03/09/2026 11 PM PDT         1606.66           2387         +      Not Applicable
  03/10/2026 12 AM PDT         1606.65           2372         -      Not Applicable
  03/10/2026 01 AM PDT         1606.63           2341         -      Not Applicable
  03/10/2026 02 AM PDT         1606.65           2372         +      Not Applicable
  03/10/2026 03 AM PDT         1606.64           2356         -      Not Applicable
  03/10/2026 04 AM PDT         1606.65           2372         +      Not Applicable
  03/10/2026 05 AM PDT         1606.63           2341         -      Not Applicable
  03/10/2026 06 AM PDT         1606.63           2341         0      Not Applicable
  03/10/2026 07 AM PDT         1606.62           2325         -      Not Applicable
  03/10/2026 08 AM PDT         1606.62           2325         0      Not Applicable
  03/10/2026 09 AM PDT         1606.62           2325         0      Not Applicable
  03/10/2026 10 AM PDT         1606.62           2325         0      Not Applicable
  03/10/2026 11 AM PDT         1606.61           2310         -      Not Applicable
  03/10/2026 12 PM PDT         1606.58           2264         -      Not Applicable
  03/10/2026 01 PM PDT         1606.59           2280         +      Not Applicable
  03/10/2026 02 PM PDT         1606.56           2234         -      Not Applicable
  03/10/2026 03 PM PDT         1606.59           2280         +      Not Applicable
  03/10/2026 04 PM PDT         1606.56           2234         -      Not Applicable
  03/10/2026 05 PM PDT         1606.57           2249         +      Not Applicable
  03/10/2026 06 PM PDT         1606.54           2204         -      Not Applicable
  03/10/2026 07 PM PDT         1606.54           2204         0      Not Applicable
  03/10/2026 08 PM PDT         1606.53           2190         -      Not Applicable
  03/10/2026 09 PM PDT         1606.54           2204         +      Not Applicable
  03/10/2026 10 PM PDT         1606.53           2190         -      Not Applicable
  03/10/2026 11 PM PDT         1606.53           2190         0      Not Applicable
  03/11/2026 12 AM PDT         1606.53           2190         0      Not Applicable
  03/11/2026 01 AM PDT         1606.53           2190         0      Not Applicable
  03/11/2026 02 AM PDT         1606.52           2175         -      Not Applicable
  03/11/2026 03 AM PDT         1606.52           2175         0      Not Applicable
  03/11/2026 04 AM PDT         1606.51           2160         -      Not Applicable
  03/11/2026 05 AM PDT         1606.52           2175         +      Not Applicable
  03/11/2026 06 AM PDT         1606.51           2160         -      Not Applicable
  03/11/2026 07 AM PDT         1606.50           2146         -      Not Applicable
  03/11/2026 08 AM PDT         1606.50           2146         0      Not Applicable
  03/11/2026 09 AM PDT         1606.50           2146         0      Not Applicable
  03/11/2026 10 AM PDT         1606.48           2117         -      Not Applicable
  03/11/2026 11 AM PDT         1606.48           2117         0      Not Applicable
  03/11/2026 12 PM PDT         1606.47           2102         -      Not Applicable
  03/11/2026 01 PM PDT         1606.47           2102         0      Not Applicable
  03/11/2026 02 PM PDT         1606.45           2074         -      Not Applicable
  03/11/2026 03 PM PDT         1606.43           2046         -      Not Applicable
  03/11/2026 04 PM PDT         1606.45           2074         +      Not Applicable
  03/11/2026 05 PM PDT         1606.42           2032         -      Not Applicable
  03/11/2026 06 PM PDT         1606.43           2046         +      Not Applicable
  03/11/2026 07 PM PDT         1606.41           2018         -      Not Applicable
  03/11/2026 08 PM PDT         1606.41           2018         0      Not Applicable
  03/11/2026 09 PM PDT         1606.41           2018         0      Not Applicable
  03/11/2026 10 PM PDT         1606.42           2032         +      Not Applicable
  03/11/2026 11 PM PDT         1606.41           2018         -      Not Applicable
  03/12/2026 12 AM PDT         1606.43           2046         +      Not Applicable
  03/12/2026 01 AM PDT         1606.42           2032         -      Not Applicable
  03/12/2026 02 AM PDT         1606.42           2032         0      Not Applicable
  03/12/2026 03 AM PDT         1606.40           2004         -      Not Applicable
  03/12/2026 04 AM PDT         1606.41           2018         +      Not Applicable
  03/12/2026 05 AM PDT         1606.41           2018         0      Not Applicable
  03/12/2026 06 AM PDT         1606.41           2018         0      Not Applicable
  03/12/2026 07 AM PDT         1606.40           2004         -      Not Applicable
  03/12/2026 08 AM PDT         1606.40           2004         0      Not Applicable
  03/12/2026 09 AM PDT         1606.39           1990         -      Not Applicable
  03/12/2026 10 AM PDT         1606.38           1976         -      Not Applicable
  03/12/2026 11 AM PDT         1606.38           1976         0      Not Applicable
  03/12/2026 12 PM PDT         1606.38           1976         0      Not Applicable
  03/12/2026 01 PM PDT         1606.37           1962         -      Not Applicable
  03/12/2026 02 PM PDT         1606.38           1976         +      Not Applicable
  03/12/2026 03 PM PDT         1606.36           1948         -      Not Applicable
  03/12/2026 04 PM PDT         1606.34           1921         -      Not Applicable
  03/12/2026 05 PM PDT         1606.35           1935         +      Not Applicable
  03/12/2026 06 PM PDT         1606.34           1921         -      Not Applicable
  03/12/2026 07 PM PDT         1606.33           1908         -      Not Applicable
  03/12/2026 08 PM PDT         1606.34           1921         +      Not Applicable
  03/12/2026 09 PM PDT         1606.34           1921         0      Not Applicable
  03/12/2026 10 PM PDT         1606.34           1921         0      Not Applicable
  03/12/2026 11 PM PDT         1606.34           1921         0      Not Applicable
  03/13/2026 12 AM PDT         1606.34           1921         0      Not Applicable
  03/13/2026 01 AM PDT         1606.34           1921         0      Not Applicable
  03/13/2026 02 AM PDT         1606.34           1921         0      Not Applicable
  03/13/2026 03 AM PDT         1606.34           1921         0      Not Applicable
  03/13/2026 04 AM PDT         1606.33           1908         -      Not Applicable
  03/13/2026 05 AM PDT         1606.34           1921         +      Not Applicable
  03/13/2026 06 AM PDT         1606.32           1894         -      Not Applicable
  03/13/2026 07 AM PDT         1606.33           1908         +      Not Applicable
  03/13/2026 08 AM PDT         1606.32           1894         -      Not Applicable
  03/13/2026 09 AM PDT         1606.34           1921         +      Not Applicable
  03/13/2026 10 AM PDT         1606.33           1908         -      Not Applicable
  03/13/2026 11 AM PDT         1606.34           1921         +      Not Applicable
  03/13/2026 12 PM PDT         1606.32           1894         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/13/2026 01 PM PDT         1606.32           1894                Not Applicable
  03/13/2026 02 PM PDT         1606.31           1881         -      Not Applicable
  03/13/2026 03 PM PDT         1606.31           1881         0      Not Applicable
  03/13/2026 04 PM PDT         1606.31           1881         0      Not Applicable
  03/13/2026 05 PM PDT         1606.31           1881         0      Not Applicable
  03/13/2026 06 PM PDT         1606.30           1868         -      Not Applicable
  03/13/2026 07 PM PDT         1606.30           1868         0      Not Applicable
  03/13/2026 08 PM PDT         1606.30           1868         0      Not Applicable
  03/13/2026 09 PM PDT         1606.30           1868         0      Not Applicable
  03/13/2026 10 PM PDT         1606.30           1868         0      Not Applicable
  03/13/2026 11 PM PDT         1606.29           1855         -      Not Applicable
  03/14/2026 12 AM PDT         1606.30           1868         +      Not Applicable
  03/14/2026 01 AM PDT         1606.30           1868         0      Not Applicable
  03/14/2026 02 AM PDT         1606.30           1868         0      Not Applicable
  03/14/2026 03 AM PDT         1606.30           1868         0      Not Applicable
  03/14/2026 04 AM PDT         1606.30           1868         0      Not Applicable
  03/14/2026 05 AM PDT         1606.30           1868         0      Not Applicable
  03/14/2026 06 AM PDT         1606.29           1855         -      Not Applicable
  03/14/2026 07 AM PDT         1606.29           1855         0      Not Applicable
  03/14/2026 08 AM PDT         1606.29           1855         0      Not Applicable
  03/14/2026 09 AM PDT         1606.29           1855         0      Not Applicable
  03/14/2026 10 AM PDT         1606.29           1855         0      Not Applicable
  03/14/2026 11 AM PDT         1606.29           1855         0      Not Applicable
  03/14/2026 12 PM PDT         1606.28           1841         -      Not Applicable
  03/14/2026 01 PM PDT         1606.28           1841         0      Not Applicable
  03/14/2026 02 PM PDT         1606.28           1841         0      Not Applicable
  03/14/2026 03 PM PDT         1606.27           1828         -      Not Applicable
  03/14/2026 04 PM PDT         1606.27           1828         0      Not Applicable
  03/14/2026 05 PM PDT         1606.27           1828         0      Not Applicable
  03/14/2026 06 PM PDT         1606.27           1828         0      Not Applicable
  03/14/2026 07 PM PDT         1606.26           1815         -      Not Applicable
  03/14/2026 08 PM PDT         1606.26           1815         0      Not Applicable
  03/14/2026 09 PM PDT         1606.26           1815         0      Not Applicable
  03/14/2026 10 PM PDT         1606.26           1815         0      Not Applicable
  03/14/2026 11 PM PDT         1606.25           1802         -      Not Applicable
  03/15/2026 12 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 01 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 02 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 03 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 04 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 05 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 06 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 07 AM PDT         1606.25           1802         0      Not Applicable
  03/15/2026 08 AM PDT         1606.24           1789         -      Not Applicable
  03/15/2026 09 AM PDT         1606.24           1789         0      Not Applicable
  03/15/2026 10 AM PDT         1606.24           1789         0      Not Applicable
  03/15/2026 11 AM PDT         1606.24           1789         0      Not Applicable
  03/15/2026 12 PM PDT         1606.24           1789         0      Not Applicable
  03/15/2026 01 PM PDT         1606.23           1776         -      Not Applicable
  03/15/2026 02 PM PDT         1606.23           1776         0      Not Applicable
  03/15/2026 03 PM PDT         1606.23           1776         0      Not Applicable
  03/15/2026 04 PM PDT         1606.23           1776         0      Not Applicable
  03/15/2026 05 PM PDT         1606.22           1763         -      Not Applicable
  03/15/2026 06 PM PDT         1606.22           1763         0      Not Applicable
  03/15/2026 07 PM PDT         1606.23           1776         +      Not Applicable
  03/15/2026 08 PM PDT         1606.23           1776         0      Not Applicable
  03/15/2026 09 PM PDT         1606.23           1776         0      Not Applicable
  03/15/2026 10 PM PDT         1606.23           1776         0      Not Applicable
  03/15/2026 11 PM PDT         1606.23           1776         0      Not Applicable
  03/16/2026 12 AM PDT         1606.23           1776         0      Not Applicable
  03/16/2026 01 AM PDT         1606.24           1789         +      Not Applicable
  03/16/2026 02 AM PDT         1606.24           1789         0      Not Applicable
  03/16/2026 03 AM PDT         1606.25           1802         +      Not Applicable
  03/16/2026 04 AM PDT         1606.25           1802         0      Not Applicable
  03/16/2026 05 AM PDT         1606.26           1815         +      Not Applicable
  03/16/2026 06 AM PDT         1606.26           1815         0      Not Applicable
  03/16/2026 07 AM PDT         1606.26           1815         0      Not Applicable
  03/16/2026 08 AM PDT         1606.26           1815         0      Not Applicable
  03/16/2026 09 AM PDT         1606.26           1815         0      Not Applicable
  03/16/2026 10 AM PDT         1606.27           1828         +      Not Applicable
  03/16/2026 11 AM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 12 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 01 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 02 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 03 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 04 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 05 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 06 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 07 PM PDT         1606.27           1828         0      Not Applicable
  03/16/2026 08 PM PDT         1606.28           1841         +      Not Applicable
  03/16/2026 09 PM PDT         1606.28           1841         0      Not Applicable
  03/16/2026 10 PM PDT         1606.28           1841         0      Not Applicable
  03/16/2026 11 PM PDT         1606.28           1841         0      Not Applicable
  03/17/2026 12 AM PDT         1606.29           1855         +      Not Applicable
  03/17/2026 01 AM PDT         1606.29           1855         0      Not Applicable
  03/17/2026 02 AM PDT         1606.30           1868         +      Not Applicable
  03/17/2026 03 AM PDT         1606.30           1868         0      Not Applicable
  03/17/2026 04 AM PDT         1606.31           1881         +      Not Applicable
  03/17/2026 05 AM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 06 AM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 07 AM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 08 AM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 09 AM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 10 AM PDT         1606.32           1894         +      Not Applicable
  03/17/2026 11 AM PDT         1606.32           1894         0      Not Applicable
  03/17/2026 12 PM PDT         1606.32           1894         0      Not Applicable
  03/17/2026 01 PM PDT         1606.32           1894         0      Not Applicable
  03/17/2026 02 PM PDT         1606.31           1881         -      Not Applicable
  03/17/2026 03 PM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 04 PM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 05 PM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 06 PM PDT         1606.31           1881         0      Not Applicable
  03/17/2026 07 PM PDT         1606.32           1894         +      Not Applicable
  03/17/2026 08 PM PDT         1606.32           1894         0      Not Applicable
  03/17/2026 09 PM PDT         1606.32           1894         0      Not Applicable
  03/17/2026 10 PM PDT         1606.32           1894         0      Not Applicable
  03/17/2026 11 PM PDT         1606.32           1894         0      Not Applicable
  03/18/2026 12 AM PDT         1606.33           1908         +      Not Applicable
  03/18/2026 01 AM PDT         1606.33           1908         0      Not Applicable
  03/18/2026 02 AM PDT         1606.34           1921         +      Not Applicable
  03/18/2026 03 AM PDT         1606.34           1921         0      Not Applicable
  03/18/2026 04 AM PDT         1606.34           1921         0      Not Applicable
  03/18/2026 05 AM PDT         1606.35           1935         +      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.