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

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TRUCKEE RIVER - BELOW DERBY DAM (TBDN2)
Latitude: 39.58º NLongitude: 119.44º WElevation: 4200 Feet
Location: Storey County in NevadaRiver Group: Eastern Sierra
Issuance Time: Apr 18 2021 at 8:13 AM PDTNext Issuance: Apr 19 2021 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Truckee River - Below Derby Dam (TBDN2)
#
# File Generation Time:  04/18/2021 at 08:14 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/14/2021 at 05:00 PM PDT
# Maximum Observed Stage:                       2.7 Feet
# Maximum Observed Flow:                        280 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/21/2021 at 01:00 AM PDT
# Maximum Forecast Stage:                       3.0 Feet
# Maximum Forecast Flow:                        384 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/13/2021 08 AM PDT             2.6            240                Not Applicable
  04/13/2021 09 AM PDT             2.6            240         0      Not Applicable
  04/13/2021 10 AM PDT             2.6            242         +      Not Applicable
  04/13/2021 11 AM PDT             2.5            237         -      Not Applicable
  04/13/2021 12 PM PDT             2.5            237         0      Not Applicable
  04/13/2021 01 PM PDT             2.6            242         +      Not Applicable
  04/13/2021 02 PM PDT             2.6            248         +      Not Applicable
  04/13/2021 03 PM PDT             2.5            237         -      Not Applicable
  04/13/2021 04 PM PDT             2.5            235         -      Not Applicable
  04/13/2021 05 PM PDT             2.6            250         +      Not Applicable
  04/13/2021 06 PM PDT             2.6            264         +      Not Applicable
  04/13/2021 07 PM PDT             2.7            267         +      Not Applicable
  04/13/2021 08 PM PDT             2.7            272         +      Not Applicable
  04/13/2021 09 PM PDT             2.7            269         -      Not Applicable
  04/13/2021 10 PM PDT             2.6            256         -      Not Applicable
  04/13/2021 11 PM PDT             2.6            248         -      Not Applicable
  04/14/2021 12 AM PDT             2.6            245         -      Not Applicable
  04/14/2021 01 AM PDT             2.6            245         0      Not Applicable
  04/14/2021 02 AM PDT             2.6            245         0      Not Applicable
  04/14/2021 03 AM PDT             2.6            240         -      Not Applicable
  04/14/2021 04 AM PDT             2.5            235         -      Not Applicable
  04/14/2021 05 AM PDT             2.5            232         -      Not Applicable
  04/14/2021 06 AM PDT             2.5            227         -      Not Applicable
  04/14/2021 07 AM PDT             2.5            222         -      Not Applicable
  04/14/2021 08 AM PDT             2.5            227         +      Not Applicable
  04/14/2021 09 AM PDT             2.5            235         +      Not Applicable
  04/14/2021 10 AM PDT             2.6            242         +      Not Applicable
  04/14/2021 11 AM PDT             2.6            250         +      Not Applicable
  04/14/2021 12 PM PDT             2.6            258         +      Not Applicable
  04/14/2021 01 PM PDT             2.6            258         0      Not Applicable
  04/14/2021 02 PM PDT             2.6            264         +      Not Applicable
  04/14/2021 03 PM PDT             2.7            272         +      Not Applicable
  04/14/2021 04 PM PDT             2.7            272         0      Not Applicable
  04/14/2021 05 PM PDT             2.7            280         +      Not Applicable
  04/14/2021 06 PM PDT             2.7            275         -      Not Applicable
  04/14/2021 07 PM PDT             2.7            275         0      Not Applicable
  04/14/2021 08 PM PDT             2.7            269         -      Not Applicable
  04/14/2021 09 PM PDT             2.7            269         0      Not Applicable
  04/14/2021 10 PM PDT             2.7            267         -      Not Applicable
  04/14/2021 11 PM PDT             2.6            261         -      Not Applicable
  04/15/2021 12 AM PDT             2.6            261         0      Not Applicable
  04/15/2021 01 AM PDT             2.6            258         -      Not Applicable
  04/15/2021 02 AM PDT             2.6            253         -      Not Applicable
  04/15/2021 03 AM PDT             2.6            253         0      Not Applicable
  04/15/2021 04 AM PDT             2.6            250         -      Not Applicable
  04/15/2021 05 AM PDT             2.6            248         -      Not Applicable
  04/15/2021 06 AM PDT             2.6            242         -      Not Applicable
  04/15/2021 07 AM PDT             2.6            245         +      Not Applicable
  04/15/2021 08 AM PDT             2.6            248         +      Not Applicable
  04/15/2021 09 AM PDT             2.6            248         0      Not Applicable
  04/15/2021 10 AM PDT             2.6            253         +      Not Applicable
  04/15/2021 11 AM PDT             2.6            258         +      Not Applicable
  04/15/2021 12 PM PDT             2.6            256         -      Not Applicable
  04/15/2021 01 PM PDT             2.6            256         0      Not Applicable
  04/15/2021 02 PM PDT             2.6            256         0      Not Applicable
  04/15/2021 03 PM PDT             2.6            256         0      Not Applicable
  04/15/2021 04 PM PDT             2.6            256         0      Not Applicable
  04/15/2021 05 PM PDT             2.7            267         +      Not Applicable
  04/15/2021 06 PM PDT             2.7            267         0      Not Applicable
  04/15/2021 07 PM PDT             2.6            258         -      Not Applicable
  04/15/2021 08 PM PDT             2.6            250         -      Not Applicable
  04/15/2021 09 PM PDT             2.6            242         -      Not Applicable
  04/15/2021 10 PM PDT             2.6            245         +      Not Applicable
  04/15/2021 11 PM PDT             2.5            235         -      Not Applicable
  04/16/2021 12 AM PDT             2.5            230         -      Not Applicable
  04/16/2021 01 AM PDT             2.5            230         0      Not Applicable
  04/16/2021 02 AM PDT             2.5            230         0      Not Applicable
  04/16/2021 03 AM PDT             2.5            225         -      Not Applicable
  04/16/2021 04 AM PDT             2.5            215         -      Not Applicable
  04/16/2021 05 AM PDT             2.5            215         0      Not Applicable
  04/16/2021 06 AM PDT             2.5            215         0      Not Applicable
  04/16/2021 07 AM PDT             2.5            215         0      Not Applicable
  04/16/2021 08 AM PDT             2.5            220         +      Not Applicable
  04/16/2021 09 AM PDT             2.5            222         +      Not Applicable
  04/16/2021 10 AM PDT             2.5            225         +      Not Applicable
  04/16/2021 11 AM PDT             2.5            225         0      Not Applicable
  04/16/2021 12 PM PDT             2.5            230         +      Not Applicable
  04/16/2021 01 PM PDT             2.5            227         -      Not Applicable
  04/16/2021 02 PM PDT             2.5            230         +      Not Applicable
  04/16/2021 03 PM PDT             2.5            227         -      Not Applicable
  04/16/2021 04 PM PDT             2.5            230         +      Not Applicable
  04/16/2021 05 PM PDT             2.5            225         -      Not Applicable
  04/16/2021 06 PM PDT             2.5            225         0      Not Applicable
  04/16/2021 07 PM PDT             2.5            232         +      Not Applicable
  04/16/2021 08 PM PDT             2.5            237         +      Not Applicable
  04/16/2021 09 PM PDT             2.5            237         0      Not Applicable
  04/16/2021 10 PM PDT             2.5            232         -      Not Applicable
  04/16/2021 11 PM PDT             2.5            230         -      Not Applicable
  04/17/2021 12 AM PDT             2.5            230         0      Not Applicable
  04/17/2021 01 AM PDT             2.5            230         0      Not Applicable
  04/17/2021 02 AM PDT             2.5            230         0      Not Applicable
  04/17/2021 03 AM PDT             2.5            225         -      Not Applicable
  04/17/2021 04 AM PDT             2.5            222         -      Not Applicable
  04/17/2021 05 AM PDT             2.5            217         -      Not Applicable
  04/17/2021 06 AM PDT             2.5            217         0      Not Applicable
  04/17/2021 07 AM PDT             2.5            212         -      Not Applicable
  04/17/2021 08 AM PDT             2.4            210         -      Not Applicable
  04/17/2021 09 AM PDT             2.5            212         +      Not Applicable
  04/17/2021 10 AM PDT             2.5            212         0      Not Applicable
  04/17/2021 11 AM PDT             2.4            208         -      Not Applicable
  04/17/2021 12 PM PDT             2.5            212         +      Not Applicable
  04/17/2021 01 PM PDT             2.5            232         +      Not Applicable
  04/17/2021 02 PM PDT             2.6            240         +      Not Applicable
  04/17/2021 03 PM PDT             2.6            245         +      Not Applicable
  04/17/2021 04 PM PDT             2.6            245         0      Not Applicable
  04/17/2021 05 PM PDT             2.6            256         +      Not Applicable
  04/17/2021 06 PM PDT             2.6            261         +      Not Applicable
  04/17/2021 07 PM PDT             2.6            264         +      Not Applicable
  04/17/2021 08 PM PDT             2.7            272         +      Not Applicable
  04/17/2021 09 PM PDT             2.7            278         +      Not Applicable
  04/17/2021 10 PM PDT             2.7            278         0      Not Applicable
  04/17/2021 11 PM PDT             2.7            278         0      Not Applicable
  04/18/2021 12 AM PDT             2.7            278         0      Not Applicable
  04/18/2021 01 AM PDT             2.7            278         0      Not Applicable
  04/18/2021 02 AM PDT             2.7            272         -      Not Applicable
  04/18/2021 03 AM PDT             2.7            267         -      Not Applicable
  04/18/2021 04 AM PDT             2.7            267         0      Not Applicable
  04/18/2021 05 AM PDT             2.6            264         -      Not Applicable
  04/18/2021 06 AM PDT             2.6            261         -      Not Applicable
  04/18/2021 07 AM PDT             2.6            258         -      Not Applicable
  04/18/2021 08 AM PDT             2.6            256         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/18/2021 09 AM PDT             2.6            253                Not Applicable
  04/18/2021 10 AM PDT             2.6            253         0      Not Applicable
  04/18/2021 11 AM PDT             2.6            256         +      Not Applicable
  04/18/2021 12 PM PDT             2.6            258         +      Not Applicable
  04/18/2021 01 PM PDT             2.6            258         0      Not Applicable
  04/18/2021 02 PM PDT             2.6            264         +      Not Applicable
  04/18/2021 03 PM PDT             2.7            269         +      Not Applicable
  04/18/2021 04 PM PDT             2.7            275         +      Not Applicable
  04/18/2021 05 PM PDT             2.7            278         +      Not Applicable
  04/18/2021 06 PM PDT             2.7            280         +      Not Applicable
  04/18/2021 07 PM PDT             2.7            280         0      Not Applicable
  04/18/2021 08 PM PDT             2.7            280         0      Not Applicable
  04/18/2021 09 PM PDT             2.7            280         0      Not Applicable
  04/18/2021 10 PM PDT             2.7            280         0      Not Applicable
  04/18/2021 11 PM PDT             2.7            280         0      Not Applicable
  04/19/2021 12 AM PDT             2.7            280         0      Not Applicable
  04/19/2021 01 AM PDT             2.7            280         0      Not Applicable
  04/19/2021 02 AM PDT             2.7            280         0      Not Applicable
  04/19/2021 03 AM PDT             2.7            278         -      Not Applicable
  04/19/2021 04 AM PDT             2.7            278         0      Not Applicable
  04/19/2021 05 AM PDT             2.7            278         0      Not Applicable
  04/19/2021 06 AM PDT             2.7            275         -      Not Applicable
  04/19/2021 07 AM PDT             2.7            275         0      Not Applicable
  04/19/2021 08 AM PDT             2.7            275         0      Not Applicable
  04/19/2021 09 AM PDT             2.7            275         0      Not Applicable
  04/19/2021 10 AM PDT             2.7            275         0      Not Applicable
  04/19/2021 11 AM PDT             2.7            275         0      Not Applicable
  04/19/2021 12 PM PDT             2.7            275         0      Not Applicable
  04/19/2021 01 PM PDT             2.7            275         0      Not Applicable
  04/19/2021 02 PM PDT             2.7            278         +      Not Applicable
  04/19/2021 03 PM PDT             2.7            280         +      Not Applicable
  04/19/2021 04 PM PDT             2.7            283         +      Not Applicable
  04/19/2021 05 PM PDT             2.7            286         +      Not Applicable
  04/19/2021 06 PM PDT             2.8            292         +      Not Applicable
  04/19/2021 07 PM PDT             2.8            295         +      Not Applicable
  04/19/2021 08 PM PDT             2.8            298         +      Not Applicable
  04/19/2021 09 PM PDT             2.8            304         +      Not Applicable
  04/19/2021 10 PM PDT             2.8            307         +      Not Applicable
  04/19/2021 11 PM PDT             2.8            310         +      Not Applicable
  04/20/2021 12 AM PDT             2.8            313         +      Not Applicable
  04/20/2021 01 AM PDT             2.8            316         +      Not Applicable
  04/20/2021 02 AM PDT             2.8            316         0      Not Applicable
  04/20/2021 03 AM PDT             2.8            316         0      Not Applicable
  04/20/2021 04 AM PDT             2.8            316         0      Not Applicable
  04/20/2021 05 AM PDT             2.8            316         0      Not Applicable
  04/20/2021 06 AM PDT             2.8            319         +      Not Applicable
  04/20/2021 07 AM PDT             2.8            319         0      Not Applicable
  04/20/2021 08 AM PDT             2.8            319         0      Not Applicable
  04/20/2021 09 AM PDT             2.8            319         0      Not Applicable
  04/20/2021 10 AM PDT             2.8            319         0      Not Applicable
  04/20/2021 11 AM PDT             2.9            322         +      Not Applicable
  04/20/2021 12 PM PDT             2.9            322         0      Not Applicable
  04/20/2021 01 PM PDT             2.9            325         +      Not Applicable
  04/20/2021 02 PM PDT             2.9            328         +      Not Applicable
  04/20/2021 03 PM PDT             2.9            331         +      Not Applicable
  04/20/2021 04 PM PDT             2.9            338         +      Not Applicable
  04/20/2021 05 PM PDT             2.9            344         +      Not Applicable
  04/20/2021 06 PM PDT             2.9            350         +      Not Applicable
  04/20/2021 07 PM PDT             3.0            357         +      Not Applicable
  04/20/2021 08 PM PDT             3.0            363         +      Not Applicable
  04/20/2021 09 PM PDT             3.0            370         +      Not Applicable
  04/20/2021 10 PM PDT             3.0            377         +      Not Applicable
  04/20/2021 11 PM PDT             3.0            380         +      Not Applicable
  04/21/2021 12 AM PDT             3.0            380         0      Not Applicable
  04/21/2021 01 AM PDT             3.0            384         +      Not Applicable
  04/21/2021 02 AM PDT             3.0            380         -      Not Applicable
  04/21/2021 03 AM PDT             3.0            377         -      Not Applicable
  04/21/2021 04 AM PDT             3.0            377         0      Not Applicable
  04/21/2021 05 AM PDT             3.0            374         -      Not Applicable
  04/21/2021 06 AM PDT             3.0            370         -      Not Applicable
  04/21/2021 07 AM PDT             3.0            370         0      Not Applicable
  04/21/2021 08 AM PDT             3.0            367         -      Not Applicable
  04/21/2021 09 AM PDT             3.0            363         -      Not Applicable
  04/21/2021 10 AM PDT             3.0            363         0      Not Applicable
  04/21/2021 11 AM PDT             3.0            363         0      Not Applicable
  04/21/2021 12 PM PDT             3.0            363         0      Not Applicable
  04/21/2021 01 PM PDT             3.0            363         0      Not Applicable
  04/21/2021 02 PM PDT             3.0            367         +      Not Applicable
  04/21/2021 03 PM PDT             3.0            367         0      Not Applicable
  04/21/2021 04 PM PDT             3.0            370         +      Not Applicable
  04/21/2021 05 PM PDT             3.0            374         +      Not Applicable
  04/21/2021 06 PM PDT             3.0            377         +      Not Applicable
  04/21/2021 07 PM PDT             3.0            377         0      Not Applicable
  04/21/2021 08 PM PDT             3.0            380         +      Not Applicable
  04/21/2021 09 PM PDT             3.0            380         0      Not Applicable
  04/21/2021 10 PM PDT             3.0            380         0      Not Applicable
  04/21/2021 11 PM PDT             3.0            380         0      Not Applicable
  04/22/2021 12 AM PDT             3.0            380         0      Not Applicable
  04/22/2021 01 AM PDT             3.0            377         -      Not Applicable
  04/22/2021 02 AM PDT             3.0            377         0      Not Applicable
  04/22/2021 03 AM PDT             3.0            374         -      Not Applicable
  04/22/2021 04 AM PDT             3.0            370         -      Not Applicable
  04/22/2021 05 AM PDT             3.0            370         0      Not Applicable
  04/22/2021 06 AM PDT             3.0            367         -      Not Applicable
  04/22/2021 07 AM PDT             3.0            363         -      Not Applicable
  04/22/2021 08 AM PDT             3.0            360         -      Not Applicable
  04/22/2021 09 AM PDT             3.0            357         -      Not Applicable
  04/22/2021 10 AM PDT             3.0            357         0      Not Applicable
  04/22/2021 11 AM PDT             3.0            354         -      Not Applicable
  04/22/2021 12 PM PDT             3.0            354         0      Not Applicable
  04/22/2021 01 PM PDT             3.0            354         0      Not Applicable
  04/22/2021 02 PM PDT             3.0            354         0      Not Applicable
  04/22/2021 03 PM PDT             3.0            357         +      Not Applicable
  04/22/2021 04 PM PDT             3.0            357         0      Not Applicable
  04/22/2021 05 PM PDT             3.0            360         +      Not Applicable
  04/22/2021 06 PM PDT             3.0            360         0      Not Applicable
  04/22/2021 07 PM PDT             3.0            363         +      Not Applicable
  04/22/2021 08 PM PDT             3.0            363         0      Not Applicable
  04/22/2021 09 PM PDT             3.0            363         0      Not Applicable
  04/22/2021 10 PM PDT             3.0            363         0      Not Applicable
  04/22/2021 11 PM PDT             3.0            363         0      Not Applicable
  04/23/2021 12 AM PDT             3.0            363         0      Not Applicable
  04/23/2021 01 AM PDT             3.0            363         0      Not Applicable
  04/23/2021 02 AM PDT             3.0            363         0      Not Applicable
  04/23/2021 03 AM PDT             3.0            360         -      Not Applicable
  04/23/2021 04 AM PDT             3.0            357         -      Not Applicable
  04/23/2021 05 AM PDT             3.0            357         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.