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 Feet
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: May 30 2023 at 8:08 AM PDTNext Issuance: May 31 2023 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Middle Fork Feather River - Merrimac (MRMC1)
#
# File Generation Time:  05/30/2023 at 08:09 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/25/2023 at 08:00 AM PDT
# Maximum Observed Stage:                       1608.1 Feet
# Maximum Observed Flow:                        5014 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/30/2023 at 08:00 AM PDT
# Maximum Forecast Stage:                       1607.7 Feet
# Maximum Forecast Flow:                        4133 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/25/2023 08 AM PDT          1608.1           5014                Not Applicable
  05/25/2023 09 AM PDT          1608.1           4937         -      Not Applicable
  05/25/2023 10 AM PDT          1608.0           4860         -      Not Applicable
  05/25/2023 11 AM PDT          1608.0           4803         -      Not Applicable
  05/25/2023 12 PM PDT          1608.0           4785         -      Not Applicable
  05/25/2023 01 PM PDT          1608.0           4728         -      Not Applicable
  05/25/2023 02 PM PDT          1607.9           4616         -      Not Applicable
  05/25/2023 03 PM PDT          1608.0           4690         +      Not Applicable
  05/25/2023 04 PM PDT          1607.9           4634         -      Not Applicable
  05/25/2023 05 PM PDT          1608.0           4672         +      Not Applicable
  05/25/2023 06 PM PDT          1608.1           4898         +      Not Applicable
  05/25/2023 07 PM PDT          1608.1           4917         +      Not Applicable
  05/25/2023 08 PM PDT          1608.1           4898         -      Not Applicable
  05/25/2023 09 PM PDT          1608.1           4879         -      Not Applicable
  05/25/2023 10 PM PDT          1608.0           4841         -      Not Applicable
  05/25/2023 11 PM PDT          1608.1           4879         +      Not Applicable
  05/26/2023 12 AM PDT          1608.0           4803         -      Not Applicable
  05/26/2023 01 AM PDT          1608.0           4860         +      Not Applicable
  05/26/2023 02 AM PDT          1608.0           4728         -      Not Applicable
  05/26/2023 03 AM PDT          1608.0           4728         0      Not Applicable
  05/26/2023 04 AM PDT          1608.0           4728         0      Not Applicable
  05/26/2023 05 AM PDT          1608.0           4672         -      Not Applicable
  05/26/2023 06 AM PDT          1607.9           4653         -      Not Applicable
  05/26/2023 07 AM PDT          1607.9           4616         -      Not Applicable
  05/26/2023 08 AM PDT          1607.9           4616         0      Not Applicable
  05/26/2023 09 AM PDT          1607.9           4542         -      Not Applicable
  05/26/2023 10 AM PDT          1607.9           4542         0      Not Applicable
  05/26/2023 11 AM PDT          1607.9           4505         -      Not Applicable
  05/26/2023 12 PM PDT          1607.8           4469         -      Not Applicable
  05/26/2023 01 PM PDT          1607.8           4379         -      Not Applicable
  05/26/2023 02 PM PDT          1607.8           4325         -      Not Applicable
  05/26/2023 03 PM PDT          1607.8           4343         +      Not Applicable
  05/26/2023 04 PM PDT          1607.8           4325         -      Not Applicable
  05/26/2023 05 PM PDT          1607.8           4325         0      Not Applicable
  05/26/2023 06 PM PDT          1607.8           4379         +      Not Applicable
  05/26/2023 07 PM PDT          1607.8           4433         +      Not Applicable
  05/26/2023 08 PM PDT          1607.9           4616         +      Not Applicable
  05/26/2023 09 PM PDT          1607.9           4579         -      Not Applicable
  05/26/2023 10 PM PDT          1608.0           4690         +      Not Applicable
  05/26/2023 11 PM PDT          1607.9           4653         -      Not Applicable
  05/27/2023 12 AM PDT          1608.0           4672         +      Not Applicable
  05/27/2023 01 AM PDT          1608.0           4709         +      Not Applicable
  05/27/2023 02 AM PDT          1608.0           4690         -      Not Applicable
  05/27/2023 03 AM PDT          1608.0           4709         +      Not Applicable
  05/27/2023 04 AM PDT          1608.0           4672         -      Not Applicable
  05/27/2023 05 AM PDT          1608.0           4728         +      Not Applicable
  05/27/2023 06 AM PDT          1608.0           4690         -      Not Applicable
  05/27/2023 07 AM PDT          1607.9           4634         -      Not Applicable
  05/27/2023 08 AM PDT          1607.9           4597         -      Not Applicable
  05/27/2023 09 AM PDT          1607.9           4616         +      Not Applicable
  05/27/2023 10 AM PDT          1607.9           4524         -      Not Applicable
  05/27/2023 11 AM PDT          1607.8           4487         -      Not Applicable
  05/27/2023 12 PM PDT          1607.8           4469         -      Not Applicable
  05/27/2023 01 PM PDT          1607.8           4469         0      Not Applicable
  05/27/2023 02 PM PDT          1607.8           4433         -      Not Applicable
  05/27/2023 03 PM PDT          1607.8           4325         -      Not Applicable
  05/27/2023 04 PM PDT          1607.8           4325         0      Not Applicable
  05/27/2023 05 PM PDT          1607.8           4379         +      Not Applicable
  05/27/2023 06 PM PDT          1607.8           4469         +      Not Applicable
  05/27/2023 07 PM PDT          1607.8           4469         0      Not Applicable
  05/27/2023 08 PM PDT          1607.9           4597         +      Not Applicable
  05/27/2023 09 PM PDT          1607.9           4634         +      Not Applicable
  05/27/2023 10 PM PDT          1608.0           4690         +      Not Applicable
  05/27/2023 11 PM PDT          1608.0           4728         +      Not Applicable
  05/28/2023 12 AM PDT          1608.0           4766         +      Not Applicable
  05/28/2023 01 AM PDT          1608.0           4785         +      Not Applicable
  05/28/2023 02 AM PDT          1608.0           4766         -      Not Applicable
  05/28/2023 03 AM PDT          1608.0           4766         0      Not Applicable
  05/28/2023 04 AM PDT          1608.0           4785         +      Not Applicable
  05/28/2023 05 AM PDT          1608.0           4747         -      Not Applicable
  05/28/2023 06 AM PDT          1608.0           4728         -      Not Applicable
  05/28/2023 07 AM PDT          1608.0           4709         -      Not Applicable
  05/28/2023 08 AM PDT          1607.9           4634         -      Not Applicable
  05/28/2023 09 AM PDT          1607.9           4560         -      Not Applicable
  05/28/2023 10 AM PDT          1607.9           4524         -      Not Applicable
  05/28/2023 11 AM PDT          1607.8           4469         -      Not Applicable
  05/28/2023 12 PM PDT          1607.8           4469         0      Not Applicable
  05/28/2023 01 PM PDT          1607.8           4379         -      Not Applicable
  05/28/2023 02 PM PDT          1607.8           4361         -      Not Applicable
  05/28/2023 03 PM PDT          1607.8           4308         -      Not Applicable
  05/28/2023 04 PM PDT          1607.7           4220         -      Not Applicable
  05/28/2023 05 PM PDT          1607.7           4220         0      Not Applicable
  05/28/2023 06 PM PDT          1607.7           4185         -      Not Applicable
  05/28/2023 07 PM PDT          1607.7           4185         0      Not Applicable
  05/28/2023 08 PM PDT          1607.7           4290         +      Not Applicable
  05/28/2023 09 PM PDT          1607.7           4237         -      Not Applicable
  05/28/2023 10 PM PDT          1607.7           4237         0      Not Applicable
  05/28/2023 11 PM PDT          1607.7           4237         0      Not Applicable
  05/29/2023 12 AM PDT          1607.7           4255         +      Not Applicable
  05/29/2023 01 AM PDT          1607.7           4202         -      Not Applicable
  05/29/2023 02 AM PDT          1607.7           4202         0      Not Applicable
  05/29/2023 03 AM PDT          1607.7           4220         +      Not Applicable
  05/29/2023 04 AM PDT          1607.7           4150         -      Not Applicable
  05/29/2023 05 AM PDT          1607.7           4133         -      Not Applicable
  05/29/2023 06 AM PDT          1607.7           4133         0      Not Applicable
  05/29/2023 07 AM PDT          1607.7           4150         +      Not Applicable
  05/29/2023 08 AM PDT          1607.6           4098         -      Not Applicable
  05/29/2023 09 AM PDT          1607.6           4047         -      Not Applicable
  05/29/2023 10 AM PDT          1607.6           4030         -      Not Applicable
  05/29/2023 11 AM PDT          1607.6           4013         -      Not Applicable
  05/29/2023 12 PM PDT          1607.6           3979         -      Not Applicable
  05/29/2023 01 PM PDT          1607.5           3945         -      Not Applicable
  05/29/2023 02 PM PDT          1607.5           3912         -      Not Applicable
  05/29/2023 03 PM PDT          1607.5           3895         -      Not Applicable
  05/29/2023 04 PM PDT          1607.5           3879         -      Not Applicable
  05/29/2023 05 PM PDT          1607.5           3929         +      Not Applicable
  05/29/2023 06 PM PDT          1607.6           3979         +      Not Applicable
  05/29/2023 07 PM PDT          1607.6           4013         +      Not Applicable
  05/29/2023 08 PM PDT          1607.6           4064         +      Not Applicable
  05/29/2023 09 PM PDT          1607.6           4098         +      Not Applicable
  05/29/2023 10 PM PDT          1607.7           4167         +      Not Applicable
  05/29/2023 11 PM PDT          1607.8           4343         +      Not Applicable
  05/30/2023 12 AM PDT          1607.8           4325         -      Not Applicable
  05/30/2023 01 AM PDT          1607.7           4272         -      Not Applicable
  05/30/2023 02 AM PDT          1607.7           4237         -      Not Applicable
  05/30/2023 03 AM PDT          1607.7           4220         -      Not Applicable
  05/30/2023 04 AM PDT          1607.7           4202         -      Not Applicable
  05/30/2023 05 AM PDT          1607.7           4185         -      Not Applicable
  05/30/2023 06 AM PDT          1607.7           4167         -      Not Applicable
  05/30/2023 07 AM PDT          1607.7           4150         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/30/2023 08 AM PDT          1607.7           4133                Not Applicable
  05/30/2023 09 AM PDT          1607.6           4115         -      Not Applicable
  05/30/2023 10 AM PDT          1607.6           4098         -      Not Applicable
  05/30/2023 11 AM PDT          1607.6           4081         -      Not Applicable
  05/30/2023 12 PM PDT          1607.6           4064         -      Not Applicable
  05/30/2023 01 PM PDT          1607.6           4047         -      Not Applicable
  05/30/2023 02 PM PDT          1607.6           4013         -      Not Applicable
  05/30/2023 03 PM PDT          1607.6           3996         -      Not Applicable
  05/30/2023 04 PM PDT          1607.6           3979         -      Not Applicable
  05/30/2023 05 PM PDT          1607.5           3962         -      Not Applicable
  05/30/2023 06 PM PDT          1607.6           3979         +      Not Applicable
  05/30/2023 07 PM PDT          1607.6           3996         +      Not Applicable
  05/30/2023 08 PM PDT          1607.6           3996         0      Not Applicable
  05/30/2023 09 PM PDT          1607.6           4013         +      Not Applicable
  05/30/2023 10 PM PDT          1607.6           4030         +      Not Applicable
  05/30/2023 11 PM PDT          1607.6           4047         +      Not Applicable
  05/31/2023 12 AM PDT          1607.6           4064         +      Not Applicable
  05/31/2023 01 AM PDT          1607.6           4064         0      Not Applicable
  05/31/2023 02 AM PDT          1607.6           4081         +      Not Applicable
  05/31/2023 03 AM PDT          1607.6           4081         0      Not Applicable
  05/31/2023 04 AM PDT          1607.6           4098         +      Not Applicable
  05/31/2023 05 AM PDT          1607.6           4115         +      Not Applicable
  05/31/2023 06 AM PDT          1607.6           4098         -      Not Applicable
  05/31/2023 07 AM PDT          1607.6           4098         0      Not Applicable
  05/31/2023 08 AM PDT          1607.6           4081         -      Not Applicable
  05/31/2023 09 AM PDT          1607.6           4081         0      Not Applicable
  05/31/2023 10 AM PDT          1607.6           4081         0      Not Applicable
  05/31/2023 11 AM PDT          1607.6           4064         -      Not Applicable
  05/31/2023 12 PM PDT          1607.6           4047         -      Not Applicable
  05/31/2023 01 PM PDT          1607.6           4030         -      Not Applicable
  05/31/2023 02 PM PDT          1607.6           4013         -      Not Applicable
  05/31/2023 03 PM PDT          1607.6           3996         -      Not Applicable
  05/31/2023 04 PM PDT          1607.6           3979         -      Not Applicable
  05/31/2023 05 PM PDT          1607.5           3962         -      Not Applicable
  05/31/2023 06 PM PDT          1607.5           3945         -      Not Applicable
  05/31/2023 07 PM PDT          1607.5           3945         0      Not Applicable
  05/31/2023 08 PM PDT          1607.5           3929         -      Not Applicable
  05/31/2023 09 PM PDT          1607.5           3912         -      Not Applicable
  05/31/2023 10 PM PDT          1607.5           3895         -      Not Applicable
  05/31/2023 11 PM PDT          1607.5           3895         0      Not Applicable
  06/01/2023 12 AM PDT          1607.5           3879         -      Not Applicable
  06/01/2023 01 AM PDT          1607.5           3862         -      Not Applicable
  06/01/2023 02 AM PDT          1607.5           3862         0      Not Applicable
  06/01/2023 03 AM PDT          1607.5           3862         0      Not Applicable
  06/01/2023 04 AM PDT          1607.5           3845         -      Not Applicable
  06/01/2023 05 AM PDT          1607.5           3829         -      Not Applicable
  06/01/2023 06 AM PDT          1607.5           3829         0      Not Applicable
  06/01/2023 07 AM PDT          1607.5           3812         -      Not Applicable
  06/01/2023 08 AM PDT          1607.5           3796         -      Not Applicable
  06/01/2023 09 AM PDT          1607.4           3779         -      Not Applicable
  06/01/2023 10 AM PDT          1607.4           3763         -      Not Applicable
  06/01/2023 11 AM PDT          1607.4           3763         0      Not Applicable
  06/01/2023 12 PM PDT          1607.4           3730         -      Not Applicable
  06/01/2023 01 PM PDT          1607.4           3714         -      Not Applicable
  06/01/2023 02 PM PDT          1607.4           3697         -      Not Applicable
  06/01/2023 03 PM PDT          1607.4           3679         -      Not Applicable
  06/01/2023 04 PM PDT          1607.4           3645         -      Not Applicable
  06/01/2023 05 PM PDT          1607.3           3628         -      Not Applicable
  06/01/2023 06 PM PDT          1607.3           3611         -      Not Applicable
  06/01/2023 07 PM PDT          1607.3           3594         -      Not Applicable
  06/01/2023 08 PM PDT          1607.3           3577         -      Not Applicable
  06/01/2023 09 PM PDT          1607.3           3561         -      Not Applicable
  06/01/2023 10 PM PDT          1607.3           3544         -      Not Applicable
  06/01/2023 11 PM PDT          1607.3           3544         0      Not Applicable
  06/02/2023 12 AM PDT          1607.3           3523         -      Not Applicable
  06/02/2023 01 AM PDT          1607.3           3523         0      Not Applicable
  06/02/2023 02 AM PDT          1607.3           3503         -      Not Applicable
  06/02/2023 03 AM PDT          1607.3           3503         0      Not Applicable
  06/02/2023 04 AM PDT          1607.3           3482         -      Not Applicable
  06/02/2023 05 AM PDT          1607.3           3482         0      Not Applicable
  06/02/2023 06 AM PDT          1607.3           3482         0      Not Applicable
  06/02/2023 07 AM PDT          1607.3           3462         -      Not Applicable
  06/02/2023 08 AM PDT          1607.3           3462         0      Not Applicable
  06/02/2023 09 AM PDT          1607.2           3442         -      Not Applicable
  06/02/2023 10 AM PDT          1607.2           3442         0      Not Applicable
  06/02/2023 11 AM PDT          1607.2           3422         -      Not Applicable
  06/02/2023 12 PM PDT          1607.2           3422         0      Not Applicable
  06/02/2023 01 PM PDT          1607.2           3402         -      Not Applicable
  06/02/2023 02 PM PDT          1607.2           3382         -      Not Applicable
  06/02/2023 03 PM PDT          1607.2           3382         0      Not Applicable
  06/02/2023 04 PM PDT          1607.2           3363         -      Not Applicable
  06/02/2023 05 PM PDT          1607.2           3363         0      Not Applicable
  06/02/2023 06 PM PDT          1607.2           3343         -      Not Applicable
  06/02/2023 07 PM PDT          1607.2           3343         0      Not Applicable
  06/02/2023 08 PM PDT          1607.2           3343         0      Not Applicable
  06/02/2023 09 PM PDT          1607.2           3323         -      Not Applicable
  06/02/2023 10 PM PDT          1607.2           3323         0      Not Applicable
  06/02/2023 11 PM PDT          1607.2           3303         -      Not Applicable
  06/03/2023 12 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 01 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 02 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 03 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 04 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 05 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 06 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 07 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 08 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 09 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 10 AM PDT          1607.2           3303         0      Not Applicable
  06/03/2023 11 AM PDT          1607.2           3284         -      Not Applicable
  06/03/2023 12 PM PDT          1607.2           3284         0      Not Applicable
  06/03/2023 01 PM PDT          1607.2           3284         0      Not Applicable
  06/03/2023 02 PM PDT          1607.2           3264         -      Not Applicable
  06/03/2023 03 PM PDT          1607.2           3264         0      Not Applicable
  06/03/2023 04 PM PDT          1607.2           3264         0      Not Applicable
  06/03/2023 05 PM PDT          1607.2           3245         -      Not Applicable
  06/03/2023 06 PM PDT          1607.2           3245         0      Not Applicable
  06/03/2023 07 PM PDT          1607.2           3245         0      Not Applicable
  06/03/2023 08 PM PDT          1607.2           3245         0      Not Applicable
  06/03/2023 09 PM PDT          1607.2           3245         0      Not Applicable
  06/03/2023 10 PM PDT          1607.2           3245         0      Not Applicable
  06/03/2023 11 PM PDT          1607.1           3225         -      Not Applicable
  06/04/2023 12 AM PDT          1607.2           3245         +      Not Applicable
  06/04/2023 01 AM PDT          1607.2           3245         0      Not Applicable
  06/04/2023 02 AM PDT          1607.2           3245         0      Not Applicable
  06/04/2023 03 AM PDT          1607.2           3245         0      Not Applicable
  06/04/2023 04 AM PDT          1607.2           3264         +      Not Applicable
  06/04/2023 05 AM PDT          1607.2           3264         0      Not Applicable
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) 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.