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

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WALKER RIVER - MASON AT SNYDER LANE (MASN2)
Latitude: 38.92º NLongitude: 119.19º WElevation: 4420 Feet
Location: Lyon County in NevadaRiver Group: Eastern Sierra
Issuance Time: Aug 12 2022 at 7:28 AM PDTNext Issuance: Aug 13 2022 at 9:00 AM PDT
Monitor Stage: 9.0 FeetFlood Stage: 9.8 Feet

SPECIAL NOTE:Significant losses can occur in the Mason Valley upstream of the Mason stream gage. Increased forecast uncertainty exists in the long range forecast due to these unknown losses.

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Walker River - Mason at Snyder Lane (MASN2)
#
# File Generation Time:  08/12/2022 at 07:28 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  08/07/2022 at 07:00 AM PDT
# Maximum Observed Stage:                       4.8 Feet
# Maximum Observed Flow:                        181 cfs
#
# Earliest Date & Time of Maximum Forecast:     08/12/2022 at 08:00 AM PDT
# Maximum Forecast Stage:                       4.4 Feet
# Maximum Forecast Flow:                        106 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/07/2022 07 AM PDT             4.8            181                        Normal
  08/07/2022 08 AM PDT             4.8            179         -              Normal
  08/07/2022 09 AM PDT             4.8            177         -              Normal
  08/07/2022 10 AM PDT             4.8            175         -              Normal
  08/07/2022 11 AM PDT             4.8            173         -              Normal
  08/07/2022 12 PM PDT             4.8            171         -              Normal
  08/07/2022 01 PM PDT             4.8            169         -              Normal
  08/07/2022 02 PM PDT             4.8            169         0              Normal
  08/07/2022 03 PM PDT             4.7            165         -              Normal
  08/07/2022 04 PM PDT             4.7            165         0              Normal
  08/07/2022 05 PM PDT             4.7            163         -              Normal
  08/07/2022 06 PM PDT             4.7            161         -              Normal
  08/07/2022 07 PM PDT             4.7            161         0              Normal
  08/07/2022 08 PM PDT             4.7            159         -              Normal
  08/07/2022 09 PM PDT             4.7            159         0              Normal
  08/07/2022 10 PM PDT             4.7            159         0              Normal
  08/07/2022 11 PM PDT             4.7            157         -              Normal
  08/08/2022 12 AM PDT             4.7            157         0              Normal
  08/08/2022 01 AM PDT             4.7            157         0              Normal
  08/08/2022 02 AM PDT             4.7            155         -              Normal
  08/08/2022 03 AM PDT             4.7            155         0              Normal
  08/08/2022 04 AM PDT             4.7            155         0              Normal
  08/08/2022 05 AM PDT             4.7            155         0              Normal
  08/08/2022 06 AM PDT             4.7            153         -              Normal
  08/08/2022 07 AM PDT             4.7            153         0              Normal
  08/08/2022 08 AM PDT             4.7            155         +              Normal
  08/08/2022 09 AM PDT             4.7            155         0              Normal
  08/08/2022 10 AM PDT             4.7            157         +              Normal
  08/08/2022 11 AM PDT             4.7            161         +              Normal
  08/08/2022 12 PM PDT             4.7            163         +              Normal
  08/08/2022 01 PM PDT             4.7            167         +              Normal
  08/08/2022 02 PM PDT             4.7            167         0              Normal
  08/08/2022 03 PM PDT             4.7            167         0              Normal
  08/08/2022 04 PM PDT             4.7            167         0              Normal
  08/08/2022 05 PM PDT             4.8            169         +              Normal
  08/08/2022 06 PM PDT             4.8            173         +              Normal
  08/08/2022 07 PM PDT             4.8            173         0              Normal
  08/08/2022 08 PM PDT             4.8            173         0              Normal
  08/08/2022 09 PM PDT             4.8            175         +              Normal
  08/08/2022 10 PM PDT             4.8            173         -              Normal
  08/08/2022 11 PM PDT             4.8            171         -              Normal
  08/09/2022 12 AM PDT             4.8            171         0              Normal
  08/09/2022 01 AM PDT             4.8            171         0              Normal
  08/09/2022 02 AM PDT             4.8            171         0              Normal
  08/09/2022 03 AM PDT             4.8            169         -              Normal
  08/09/2022 04 AM PDT             4.8            169         0              Normal
  08/09/2022 05 AM PDT             4.8            171         +              Normal
  08/09/2022 06 AM PDT             4.8            171         0              Normal
  08/09/2022 07 AM PDT             4.8            169         -              Normal
  08/09/2022 08 AM PDT             4.8            169         0              Normal
  08/09/2022 09 AM PDT             4.8            169         0              Normal
  08/09/2022 10 AM PDT             4.8            169         0              Normal
  08/09/2022 11 AM PDT             4.8            169         0              Normal
  08/09/2022 12 PM PDT             4.8            169         0              Normal
  08/09/2022 01 PM PDT             4.8            171         +              Normal
  08/09/2022 02 PM PDT             4.8            169         -              Normal
  08/09/2022 03 PM PDT             4.8            171         +              Normal
  08/09/2022 04 PM PDT             4.8            171         0              Normal
  08/09/2022 05 PM PDT             4.7            167         -              Normal
  08/09/2022 06 PM PDT             4.7            167         0              Normal
  08/09/2022 07 PM PDT             4.7            167         0              Normal
  08/09/2022 08 PM PDT             4.8            169         +              Normal
  08/09/2022 09 PM PDT             4.8            169         0              Normal
  08/09/2022 10 PM PDT             4.8            169         0              Normal
  08/09/2022 11 PM PDT             4.7            167         -              Normal
  08/10/2022 12 AM PDT             4.7            167         0              Normal
  08/10/2022 01 AM PDT             4.7            165         -              Normal
  08/10/2022 02 AM PDT             4.7            165         0              Normal
  08/10/2022 03 AM PDT             4.7            165         0              Normal
  08/10/2022 04 AM PDT             4.7            165         0              Normal
  08/10/2022 05 AM PDT             4.7            167         +              Normal
  08/10/2022 06 AM PDT             4.7            167         0              Normal
  08/10/2022 07 AM PDT             4.7            167         0              Normal
  08/10/2022 08 AM PDT             4.7            167         0              Normal
  08/10/2022 09 AM PDT             4.7            165         -              Normal
  08/10/2022 10 AM PDT             4.7            159         -              Normal
  08/10/2022 11 AM PDT             4.7            157         -              Normal
  08/10/2022 12 PM PDT             4.7            157         0              Normal
  08/10/2022 01 PM PDT             4.7            155         -              Normal
  08/10/2022 02 PM PDT             4.7            155         0              Normal
  08/10/2022 03 PM PDT             4.7            155         0              Normal
  08/10/2022 04 PM PDT             4.7            151         -              Normal
  08/10/2022 05 PM PDT             4.7            151         0              Normal
  08/10/2022 06 PM PDT             4.7            151         0              Normal
  08/10/2022 07 PM PDT             4.7            149         -              Normal
  08/10/2022 08 PM PDT             4.7            149         0              Normal
  08/10/2022 09 PM PDT             4.6            148         -              Normal
  08/10/2022 10 PM PDT             4.6            148         0              Normal
  08/10/2022 11 PM PDT             4.6            148         0              Normal
  08/11/2022 12 AM PDT             4.6            146         -              Normal
  08/11/2022 01 AM PDT             4.6            146         0              Normal
  08/11/2022 02 AM PDT             4.6            144         -              Normal
  08/11/2022 03 AM PDT             4.6            144         0              Normal
  08/11/2022 04 AM PDT             4.6            142         -              Normal
  08/11/2022 05 AM PDT             4.6            144         +              Normal
  08/11/2022 06 AM PDT             4.6            142         -              Normal
  08/11/2022 07 AM PDT             4.6            144         +              Normal
  08/11/2022 08 AM PDT             4.6            142         -              Normal
  08/11/2022 09 AM PDT             4.6            140         -              Normal
  08/11/2022 10 AM PDT             4.6            137         -              Normal
  08/11/2022 11 AM PDT             4.6            133         -              Normal
  08/11/2022 12 PM PDT             4.5            131         -              Normal
  08/11/2022 01 PM PDT             4.5            130         -              Normal
  08/11/2022 02 PM PDT             4.5            126         -              Normal
  08/11/2022 03 PM PDT             4.5            124         -              Normal
  08/11/2022 04 PM PDT             4.5            119         -              Normal
  08/11/2022 05 PM PDT             4.5            116         -              Normal
  08/11/2022 06 PM PDT             4.5            116         0              Normal
  08/11/2022 07 PM PDT             4.5            114         -              Normal
  08/11/2022 08 PM PDT             4.5            114         0              Normal
  08/11/2022 09 PM PDT             4.4            113         -              Normal
  08/11/2022 10 PM PDT             4.4            113         0              Normal
  08/11/2022 11 PM PDT             4.4            111         -              Normal
  08/12/2022 12 AM PDT             4.4            111         0              Normal
  08/12/2022 01 AM PDT             4.4            111         0              Normal
  08/12/2022 02 AM PDT             4.4            109         -              Normal
  08/12/2022 03 AM PDT             4.4            109         0              Normal
  08/12/2022 04 AM PDT             4.4            109         0              Normal
  08/12/2022 05 AM PDT             4.4            109         0              Normal
  08/12/2022 06 AM PDT             4.4            109         0              Normal
  08/12/2022 07 AM PDT             4.4            108         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  08/12/2022 08 AM PDT             4.4            106                        Normal
  08/12/2022 09 AM PDT             4.4            105         -              Normal
  08/12/2022 10 AM PDT             4.4            105         0              Normal
  08/12/2022 11 AM PDT             4.4            103         -              Normal
  08/12/2022 12 PM PDT             4.4            102         -              Normal
  08/12/2022 01 PM PDT             4.4            102         0              Normal
  08/12/2022 02 PM PDT             4.4            102         0              Normal
  08/12/2022 03 PM PDT             4.4            100         -              Normal
  08/12/2022 04 PM PDT             4.4            100         0              Normal
  08/12/2022 05 PM PDT             4.4            100         0              Normal
  08/12/2022 06 PM PDT             4.4            100         0              Normal
  08/12/2022 07 PM PDT             4.4            100         0              Normal
  08/12/2022 08 PM PDT             4.4            100         0              Normal
  08/12/2022 09 PM PDT             4.4            100         0              Normal
  08/12/2022 10 PM PDT             4.3             98         -              Normal
  08/12/2022 11 PM PDT             4.3             98         0              Normal
  08/13/2022 12 AM PDT             4.3             98         0              Normal
  08/13/2022 01 AM PDT             4.3             97         -              Normal
  08/13/2022 02 AM PDT             4.3             97         0              Normal
  08/13/2022 03 AM PDT             4.3             97         0              Normal
  08/13/2022 04 AM PDT             4.3             95         -              Normal
  08/13/2022 05 AM PDT             4.3             95         0              Normal
  08/13/2022 06 AM PDT             4.3             95         0              Normal
  08/13/2022 07 AM PDT             4.3             94         -              Normal
  08/13/2022 08 AM PDT             4.3             94         0              Normal
  08/13/2022 09 AM PDT             4.3             94         0              Normal
  08/13/2022 10 AM PDT             4.3             92         -              Normal
  08/13/2022 11 AM PDT             4.3             92         0              Normal
  08/13/2022 12 PM PDT             4.3             92         0              Normal
  08/13/2022 01 PM PDT             4.3             91         -              Normal
  08/13/2022 02 PM PDT             4.3             91         0              Normal
  08/13/2022 03 PM PDT             4.3             91         0              Normal
  08/13/2022 04 PM PDT             4.3             91         0              Normal
  08/13/2022 05 PM PDT             4.3             91         0              Normal
  08/13/2022 06 PM PDT             4.3             92         +              Normal
  08/13/2022 07 PM PDT             4.3             92         0              Normal
  08/13/2022 08 PM PDT             4.3             91         -              Normal
  08/13/2022 09 PM PDT             4.3             91         0              Normal
  08/13/2022 10 PM PDT             4.3             91         0              Normal
  08/13/2022 11 PM PDT             4.3             91         0              Normal
  08/14/2022 12 AM PDT             4.3             91         0              Normal
  08/14/2022 01 AM PDT             4.3             91         0              Normal
  08/14/2022 02 AM PDT             4.3             91         0              Normal
  08/14/2022 03 AM PDT             4.3             91         0              Normal
  08/14/2022 04 AM PDT             4.3             91         0              Normal
  08/14/2022 05 AM PDT             4.3             91         0              Normal
  08/14/2022 06 AM PDT             4.3             91         0              Normal
  08/14/2022 07 AM PDT             4.3             91         0              Normal
  08/14/2022 08 AM PDT             4.3             91         0              Normal
  08/14/2022 09 AM PDT             4.3             89         -              Normal
  08/14/2022 10 AM PDT             4.3             89         0              Normal
  08/14/2022 11 AM PDT             4.3             89         0              Normal
  08/14/2022 12 PM PDT             4.3             89         0              Normal
  08/14/2022 01 PM PDT             4.3             89         0              Normal
  08/14/2022 02 PM PDT             4.3             89         0              Normal
  08/14/2022 03 PM PDT             4.3             89         0              Normal
  08/14/2022 04 PM PDT             4.3             89         0              Normal
  08/14/2022 05 PM PDT             4.3             89         0              Normal
  08/14/2022 06 PM PDT             4.3             91         +              Normal
  08/14/2022 07 PM PDT             4.3             91         0              Normal
  08/14/2022 08 PM PDT             4.3             91         0              Normal
  08/14/2022 09 PM PDT             4.3             91         0              Normal
  08/14/2022 10 PM PDT             4.3             91         0              Normal
  08/14/2022 11 PM PDT             4.3             91         0              Normal
  08/15/2022 12 AM PDT             4.3             91         0              Normal
  08/15/2022 01 AM PDT             4.3             91         0              Normal
  08/15/2022 02 AM PDT             4.3             91         0              Normal
  08/15/2022 03 AM PDT             4.3             91         0              Normal
  08/15/2022 04 AM PDT             4.3             91         0              Normal
  08/15/2022 05 AM PDT             4.3             91         0              Normal
  08/15/2022 06 AM PDT             4.3             91         0              Normal
  08/15/2022 07 AM PDT             4.3             91         0              Normal
  08/15/2022 08 AM PDT             4.3             91         0              Normal
  08/15/2022 09 AM PDT             4.3             91         0              Normal
  08/15/2022 10 AM PDT             4.3             91         0              Normal
  08/15/2022 11 AM PDT             4.3             91         0              Normal
  08/15/2022 12 PM PDT             4.3             91         0              Normal
  08/15/2022 01 PM PDT             4.3             91         0              Normal
  08/15/2022 02 PM PDT             4.3             91         0              Normal
  08/15/2022 03 PM PDT             4.3             91         0              Normal
  08/15/2022 04 PM PDT             4.3             91         0              Normal
  08/15/2022 05 PM PDT             4.3             91         0              Normal
  08/15/2022 06 PM PDT             4.3             92         +              Normal
  08/15/2022 07 PM PDT             4.3             92         0              Normal
  08/15/2022 08 PM PDT             4.3             92         0              Normal
  08/15/2022 09 PM PDT             4.3             92         0              Normal
  08/15/2022 10 PM PDT             4.3             92         0              Normal
  08/15/2022 11 PM PDT             4.3             92         0              Normal
  08/16/2022 12 AM PDT             4.3             92         0              Normal
  08/16/2022 01 AM PDT             4.3             92         0              Normal
  08/16/2022 02 AM PDT             4.3             92         0              Normal
  08/16/2022 03 AM PDT             4.3             92         0              Normal
  08/16/2022 04 AM PDT             4.3             92         0              Normal
  08/16/2022 05 AM PDT             4.3             92         0              Normal
  08/16/2022 06 AM PDT             4.3             92         0              Normal
  08/16/2022 07 AM PDT             4.3             92         0              Normal
  08/16/2022 08 AM PDT             4.3             92         0              Normal
  08/16/2022 09 AM PDT             4.3             92         0              Normal
  08/16/2022 10 AM PDT             4.3             92         0              Normal
  08/16/2022 11 AM PDT             4.3             92         0              Normal
  08/16/2022 12 PM PDT             4.3             92         0              Normal
  08/16/2022 01 PM PDT             4.3             91         -              Normal
  08/16/2022 02 PM PDT             4.3             91         0              Normal
  08/16/2022 03 PM PDT             4.3             91         0              Normal
  08/16/2022 04 PM PDT             4.3             91         0              Normal
  08/16/2022 05 PM PDT             4.3             91         0              Normal
  08/16/2022 06 PM PDT             4.3             92         +              Normal
  08/16/2022 07 PM PDT             4.3             92         0              Normal
  08/16/2022 08 PM PDT             4.3             92         0              Normal
  08/16/2022 09 PM PDT             4.3             94         +              Normal
  08/16/2022 10 PM PDT             4.3             94         0              Normal
  08/16/2022 11 PM PDT             4.3             94         0              Normal
  08/17/2022 12 AM PDT             4.3             94         0              Normal
  08/17/2022 01 AM PDT             4.3             94         0              Normal
  08/17/2022 02 AM PDT             4.3             94         0              Normal
  08/17/2022 03 AM PDT             4.3             94         0              Normal
  08/17/2022 04 AM PDT             4.3             95         +              Normal
  08/17/2022 05 AM PDT             4.3             95         0              Normal
#
# 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.