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

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MCCLOUD RIVER - SHASTA LAKE (MSSC1)
Latitude: 40.95º NLongitude: 122.22º WElevation: 1100 Feet
Location: Shasta County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: May 18 2024 at 8:21 AM PDTNext Issuance: May 19 2024 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: McCloud River - Above Shasta Lake (MSSC1)
#
# File Generation Time:  05/18/2024 at 08:22 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/16/2024 at 04:00 PM PDT
# Maximum Observed Stage:                       10.37 Feet
# Maximum Observed Flow:                        603 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/18/2024 at 09:00 AM PDT
# Maximum Forecast Stage:                       10.32 Feet
# Maximum Forecast Flow:                        575 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/13/2024 08 AM PDT           10.37            603                Not Applicable
  05/13/2024 09 AM PDT           10.37            603         0      Not Applicable
  05/13/2024 10 AM PDT           10.37            603         0      Not Applicable
  05/13/2024 11 AM PDT           10.37            603         0      Not Applicable
  05/13/2024 12 PM PDT           10.37            603         0      Not Applicable
  05/13/2024 01 PM PDT           10.37            603         0      Not Applicable
  05/13/2024 02 PM PDT           10.37            603         0      Not Applicable
  05/13/2024 03 PM PDT           10.37            603         0      Not Applicable
  05/13/2024 04 PM PDT           10.37            603         0      Not Applicable
  05/13/2024 05 PM PDT           10.36            598         -      Not Applicable
  05/13/2024 06 PM PDT           10.36            598         0      Not Applicable
  05/13/2024 07 PM PDT           10.36            598         0      Not Applicable
  05/13/2024 08 PM PDT           10.35            592         -      Not Applicable
  05/13/2024 09 PM PDT           10.35            592         0      Not Applicable
  05/13/2024 10 PM PDT           10.35            592         0      Not Applicable
  05/13/2024 11 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 12 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 01 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 02 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 03 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 04 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 05 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 06 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 07 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 08 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 09 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 10 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 11 AM PDT           10.35            592         0      Not Applicable
  05/14/2024 12 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 01 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 02 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 03 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 04 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 05 PM PDT           10.35            592         0      Not Applicable
  05/14/2024 06 PM PDT           10.34            586         -      Not Applicable
  05/14/2024 07 PM PDT           10.34            586         0      Not Applicable
  05/14/2024 08 PM PDT           10.34            586         0      Not Applicable
  05/14/2024 09 PM PDT           10.34            586         0      Not Applicable
  05/14/2024 10 PM PDT           10.33            581         -      Not Applicable
  05/14/2024 11 PM PDT           10.33            581         0      Not Applicable
  05/15/2024 12 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 01 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 02 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 03 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 04 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 05 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 06 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 07 AM PDT           10.33            581         0      Not Applicable
  05/15/2024 08 AM PDT           10.34            586         +      Not Applicable
  05/15/2024 09 AM PDT           10.34            586         0      Not Applicable
  05/15/2024 10 AM PDT           10.34            586         0      Not Applicable
  05/15/2024 11 AM PDT           10.34            586         0      Not Applicable
  05/15/2024 12 PM PDT           10.33            581         -      Not Applicable
  05/15/2024 01 PM PDT           10.33            581         0      Not Applicable
  05/15/2024 02 PM PDT           10.33            581         0      Not Applicable
  05/15/2024 03 PM PDT           10.33            581         0      Not Applicable
  05/15/2024 04 PM PDT           10.33            581         0      Not Applicable
  05/15/2024 05 PM PDT           10.32            575         -      Not Applicable
  05/15/2024 06 PM PDT           10.32            575         0      Not Applicable
  05/15/2024 07 PM PDT           10.32            575         0      Not Applicable
  05/15/2024 08 PM PDT           10.32            575         0      Not Applicable
  05/15/2024 09 PM PDT           10.32            575         0      Not Applicable
  05/15/2024 10 PM PDT           10.31            569         -      Not Applicable
  05/15/2024 11 PM PDT           10.31            569         0      Not Applicable
  05/16/2024 12 AM PDT           10.31            569         0      Not Applicable
  05/16/2024 01 AM PDT           10.35            592         +      Not Applicable
  05/16/2024 02 AM PDT           10.36            598         +      Not Applicable
  05/16/2024 03 AM PDT           10.36            598         0      Not Applicable
  05/16/2024 04 AM PDT           10.36            598         0      Not Applicable
  05/16/2024 05 AM PDT           10.36            598         0      Not Applicable
  05/16/2024 06 AM PDT           10.36            598         0      Not Applicable
  05/16/2024 07 AM PDT           10.36            598         0      Not Applicable
  05/16/2024 08 AM PDT           10.36            598         0      Not Applicable
  05/16/2024 09 AM PDT           10.37            603         +      Not Applicable
  05/16/2024 10 AM PDT           10.37            603         0      Not Applicable
  05/16/2024 11 AM PDT           10.37            603         0      Not Applicable
  05/16/2024 12 PM PDT           10.37            603         0      Not Applicable
  05/16/2024 01 PM PDT           10.37            603         0      Not Applicable
  05/16/2024 02 PM PDT           10.37            603         0      Not Applicable
  05/16/2024 03 PM PDT           10.37            603         0      Not Applicable
  05/16/2024 04 PM PDT           10.37            603         0      Not Applicable
  05/16/2024 05 PM PDT           10.36            598         -      Not Applicable
  05/16/2024 06 PM PDT           10.36            598         0      Not Applicable
  05/16/2024 07 PM PDT           10.36            598         0      Not Applicable
  05/16/2024 08 PM PDT           10.35            592         -      Not Applicable
  05/16/2024 09 PM PDT           10.35            592         0      Not Applicable
  05/16/2024 10 PM PDT           10.35            592         0      Not Applicable
  05/16/2024 11 PM PDT           10.35            592         0      Not Applicable
  05/17/2024 12 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 01 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 02 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 03 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 04 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 05 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 06 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 07 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 08 AM PDT           10.35            592         0      Not Applicable
  05/17/2024 09 AM PDT           10.36            598         +      Not Applicable
  05/17/2024 10 AM PDT           10.36            598         0      Not Applicable
  05/17/2024 11 AM PDT           10.36            598         0      Not Applicable
  05/17/2024 12 PM PDT           10.36            598         0      Not Applicable
  05/17/2024 01 PM PDT           10.36            598         0      Not Applicable
  05/17/2024 02 PM PDT           10.36            598         0      Not Applicable
  05/17/2024 03 PM PDT           10.35            592         -      Not Applicable
  05/17/2024 04 PM PDT           10.35            592         0      Not Applicable
  05/17/2024 05 PM PDT           10.35            592         0      Not Applicable
  05/17/2024 06 PM PDT           10.34            586         -      Not Applicable
  05/17/2024 07 PM PDT           10.34            586         0      Not Applicable
  05/17/2024 08 PM PDT           10.34            586         0      Not Applicable
  05/17/2024 09 PM PDT           10.33            581         -      Not Applicable
  05/17/2024 10 PM PDT           10.33            581         0      Not Applicable
  05/17/2024 11 PM PDT           10.33            581         0      Not Applicable
  05/18/2024 12 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 01 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 02 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 03 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 04 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 05 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 06 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 07 AM PDT           10.33            581         0      Not Applicable
  05/18/2024 08 AM PDT           10.32            575         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/18/2024 09 AM PDT           10.32            575                Not Applicable
  05/18/2024 10 AM PDT           10.32            575         0      Not Applicable
  05/18/2024 11 AM PDT           10.31            569         -      Not Applicable
  05/18/2024 12 PM PDT           10.32            575         +      Not Applicable
  05/18/2024 01 PM PDT           10.32            575         0      Not Applicable
  05/18/2024 02 PM PDT           10.32            575         0      Not Applicable
  05/18/2024 03 PM PDT           10.32            575         0      Not Applicable
  05/18/2024 04 PM PDT           10.32            575         0      Not Applicable
  05/18/2024 05 PM PDT           10.32            575         0      Not Applicable
  05/18/2024 06 PM PDT           10.32            575         0      Not Applicable
  05/18/2024 07 PM PDT           10.31            569         -      Not Applicable
  05/18/2024 08 PM PDT           10.31            569         0      Not Applicable
  05/18/2024 09 PM PDT           10.31            569         0      Not Applicable
  05/18/2024 10 PM PDT           10.30            564         -      Not Applicable
  05/18/2024 11 PM PDT           10.30            564         0      Not Applicable
  05/19/2024 12 AM PDT           10.30            564         0      Not Applicable
  05/19/2024 01 AM PDT           10.29            558         -      Not Applicable
  05/19/2024 02 AM PDT           10.29            558         0      Not Applicable
  05/19/2024 03 AM PDT           10.28            553         -      Not Applicable
  05/19/2024 04 AM PDT           10.28            553         0      Not Applicable
  05/19/2024 05 AM PDT           10.27            547         -      Not Applicable
  05/19/2024 06 AM PDT           10.27            547         0      Not Applicable
  05/19/2024 07 AM PDT           10.27            547         0      Not Applicable
  05/19/2024 08 AM PDT           10.26            542         -      Not Applicable
  05/19/2024 09 AM PDT           10.26            542         0      Not Applicable
  05/19/2024 10 AM PDT           10.25            536         -      Not Applicable
  05/19/2024 11 AM PDT           10.25            536         0      Not Applicable
  05/19/2024 12 PM PDT           10.24            531         -      Not Applicable
  05/19/2024 01 PM PDT           10.24            531         0      Not Applicable
  05/19/2024 02 PM PDT           10.24            531         0      Not Applicable
  05/19/2024 03 PM PDT           10.23            526         -      Not Applicable
  05/19/2024 04 PM PDT           10.23            526         0      Not Applicable
  05/19/2024 05 PM PDT           10.22            520         -      Not Applicable
  05/19/2024 06 PM PDT           10.22            520         0      Not Applicable
  05/19/2024 07 PM PDT           10.21            515         -      Not Applicable
  05/19/2024 08 PM PDT           10.21            515         0      Not Applicable
  05/19/2024 09 PM PDT           10.21            515         0      Not Applicable
  05/19/2024 10 PM PDT           10.20            510         -      Not Applicable
  05/19/2024 11 PM PDT           10.20            510         0      Not Applicable
  05/20/2024 12 AM PDT           10.19            505         -      Not Applicable
  05/20/2024 01 AM PDT           10.19            505         0      Not Applicable
  05/20/2024 02 AM PDT           10.18            499         -      Not Applicable
  05/20/2024 03 AM PDT           10.18            499         0      Not Applicable
  05/20/2024 04 AM PDT           10.17            494         -      Not Applicable
  05/20/2024 05 AM PDT           10.17            494         0      Not Applicable
  05/20/2024 06 AM PDT           10.16            489         -      Not Applicable
  05/20/2024 07 AM PDT           10.15            484         -      Not Applicable
  05/20/2024 08 AM PDT           10.15            484         0      Not Applicable
  05/20/2024 09 AM PDT           10.14            479         -      Not Applicable
  05/20/2024 10 AM PDT           10.14            479         0      Not Applicable
  05/20/2024 11 AM PDT           10.13            474         -      Not Applicable
  05/20/2024 12 PM PDT           10.12            469         -      Not Applicable
  05/20/2024 01 PM PDT           10.12            469         0      Not Applicable
  05/20/2024 02 PM PDT           10.11            464         -      Not Applicable
  05/20/2024 03 PM PDT           10.11            464         0      Not Applicable
  05/20/2024 04 PM PDT           10.10            459         -      Not Applicable
  05/20/2024 05 PM PDT           10.09            454         -      Not Applicable
  05/20/2024 06 PM PDT           10.09            454         0      Not Applicable
  05/20/2024 07 PM PDT           10.08            449         -      Not Applicable
  05/20/2024 08 PM PDT           10.08            449         0      Not Applicable
  05/20/2024 09 PM PDT           10.07            444         -      Not Applicable
  05/20/2024 10 PM PDT           10.07            444         0      Not Applicable
  05/20/2024 11 PM PDT           10.06            439         -      Not Applicable
  05/21/2024 12 AM PDT           10.05            434         -      Not Applicable
  05/21/2024 01 AM PDT           10.05            434         0      Not Applicable
  05/21/2024 02 AM PDT           10.04            429         -      Not Applicable
  05/21/2024 03 AM PDT           10.04            429         0      Not Applicable
  05/21/2024 04 AM PDT           10.03            424         -      Not Applicable
  05/21/2024 05 AM PDT           10.02            419         -      Not Applicable
  05/21/2024 06 AM PDT           10.02            419         0      Not Applicable
  05/21/2024 07 AM PDT           10.01            415         -      Not Applicable
  05/21/2024 08 AM PDT           10.00            410         -      Not Applicable
  05/21/2024 09 AM PDT           10.00            410         0      Not Applicable
  05/21/2024 10 AM PDT            9.99            405         -      Not Applicable
  05/21/2024 11 AM PDT            9.98            401         -      Not Applicable
  05/21/2024 12 PM PDT            9.98            401         0      Not Applicable
  05/21/2024 01 PM PDT            9.97            396         -      Not Applicable
  05/21/2024 02 PM PDT            9.97            396         0      Not Applicable
  05/21/2024 03 PM PDT            9.96            391         -      Not Applicable
  05/21/2024 04 PM PDT            9.95            387         -      Not Applicable
  05/21/2024 05 PM PDT            9.95            387         0      Not Applicable
  05/21/2024 06 PM PDT            9.94            382         -      Not Applicable
  05/21/2024 07 PM PDT            9.93            378         -      Not Applicable
  05/21/2024 08 PM PDT            9.93            378         0      Not Applicable
  05/21/2024 09 PM PDT            9.92            374         -      Not Applicable
  05/21/2024 10 PM PDT            9.92            374         0      Not Applicable
  05/21/2024 11 PM PDT            9.91            369         -      Not Applicable
  05/22/2024 12 AM PDT            9.91            369         0      Not Applicable
  05/22/2024 01 AM PDT            9.90            365         -      Not Applicable
  05/22/2024 02 AM PDT            9.89            360         -      Not Applicable
  05/22/2024 03 AM PDT            9.89            360         0      Not Applicable
  05/22/2024 04 AM PDT            9.88            356         -      Not Applicable
  05/22/2024 05 AM PDT            9.88            356         0      Not Applicable
  05/22/2024 06 AM PDT            9.87            352         -      Not Applicable
  05/22/2024 07 AM PDT            9.87            352         0      Not Applicable
  05/22/2024 08 AM PDT            9.86            347         -      Not Applicable
  05/22/2024 09 AM PDT            9.86            347         0      Not Applicable
  05/22/2024 10 AM PDT            9.85            343         -      Not Applicable
  05/22/2024 11 AM PDT            9.85            343         0      Not Applicable
  05/22/2024 12 PM PDT            9.84            339         -      Not Applicable
  05/22/2024 01 PM PDT            9.84            339         0      Not Applicable
  05/22/2024 02 PM PDT            9.83            334         -      Not Applicable
  05/22/2024 03 PM PDT            9.83            334         0      Not Applicable
  05/22/2024 04 PM PDT            9.82            330         -      Not Applicable
  05/22/2024 05 PM PDT            9.82            330         0      Not Applicable
  05/22/2024 06 PM PDT            9.81            326         -      Not Applicable
  05/22/2024 07 PM PDT            9.81            326         0      Not Applicable
  05/22/2024 08 PM PDT            9.80            322         -      Not Applicable
  05/22/2024 09 PM PDT            9.80            322         0      Not Applicable
  05/22/2024 10 PM PDT            9.79            318         -      Not Applicable
  05/22/2024 11 PM PDT            9.79            318         0      Not Applicable
  05/23/2024 12 AM PDT            9.79            318         0      Not Applicable
  05/23/2024 01 AM PDT            9.78            314         -      Not Applicable
  05/23/2024 02 AM PDT            9.78            314         0      Not Applicable
  05/23/2024 03 AM PDT            9.78            314         0      Not Applicable
  05/23/2024 04 AM PDT            9.77            309         -      Not Applicable
  05/23/2024 05 AM PDT            9.77            309         0      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.