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 (MASN2)
Latitude: 38.92º NLongitude: 119.19º WElevation: 4420 Feet
Location: Lyon County in NevadaRiver Group: Eastern Sierra
Issuance Time: Mar 22 2017 at 2:26 PM PDTNext Issuance: Mar 23 2017 at 9:00 AM PDT
Monitor Stage: 9.3 FeetFlood Stage: 9.8 Feet

SPECIAL NOTE:Provisional rating under development due to recent sediment removal. Increased uncertainty exists for both observed and forecast flows.

# Tabular River Observed & Forecast - Hydrograph Information
#
# File Generation Time:  03/22/2017  02:27 PM PDT
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/22/2017 02 PM PDT
# Maximum Observed Stage:                       9.1 Feet
# Maximum Observed Flow:                        1554 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/26/2017 04 PM PDT
# Maximum Forecast Stage:                       9.4 Feet
# Maximum Forecast Flow:                        1670 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/17/2017 02 PM PDT             7.4            918                        Normal
  03/17/2017 03 PM PDT             7.4            912         -              Normal
  03/17/2017 04 PM PDT             7.4            915         +              Normal
  03/17/2017 05 PM PDT             7.4            915         0              Normal
  03/17/2017 06 PM PDT             7.4            918         +              Normal
  03/17/2017 07 PM PDT             7.4            922         +              Normal
  03/17/2017 08 PM PDT             7.4            915         -              Normal
  03/17/2017 09 PM PDT             7.4            918         +              Normal
  03/17/2017 10 PM PDT             7.4            925         +              Normal
  03/17/2017 11 PM PDT             7.4            922         -              Normal
  03/18/2017 12 AM PDT             7.4            922         0              Normal
  03/18/2017 01 AM PDT             7.4            928         +              Normal
  03/18/2017 02 AM PDT             7.4            932         +              Normal
  03/18/2017 03 AM PDT             7.4            925         -              Normal
  03/18/2017 04 AM PDT             7.4            928         +              Normal
  03/18/2017 05 AM PDT             7.4            928         0              Normal
  03/18/2017 06 AM PDT             7.4            928         0              Normal
  03/18/2017 07 AM PDT             7.4            925         -              Normal
  03/18/2017 08 AM PDT             7.4            928         +              Normal
  03/18/2017 09 AM PDT             7.4            932         +              Normal
  03/18/2017 10 AM PDT             7.4            932         0              Normal
  03/18/2017 11 AM PDT             7.4            925         -              Normal
  03/18/2017 12 PM PDT             7.4            932         +              Normal
  03/18/2017 01 PM PDT             7.4            932         0              Normal
  03/18/2017 02 PM PDT             7.4            932         0              Normal
  03/18/2017 03 PM PDT             7.4            932         0              Normal
  03/18/2017 04 PM PDT             7.4            932         0              Normal
  03/18/2017 05 PM PDT             7.4            928         -              Normal
  03/18/2017 06 PM PDT             7.4            925         -              Normal
  03/18/2017 07 PM PDT             7.4            925         0              Normal
  03/18/2017 08 PM PDT             7.4            928         +              Normal
  03/18/2017 09 PM PDT             7.4            925         -              Normal
  03/18/2017 10 PM PDT             7.4            925         0              Normal
  03/18/2017 11 PM PDT             7.4            922         -              Normal
  03/19/2017 12 AM PDT             7.4            928         +              Normal
  03/19/2017 01 AM PDT             7.4            925         -              Normal
  03/19/2017 02 AM PDT             7.4            932         +              Normal
  03/19/2017 03 AM PDT             7.4            935         +              Normal
  03/19/2017 04 AM PDT             7.4            932         -              Normal
  03/19/2017 05 AM PDT             7.4            939         +              Normal
  03/19/2017 06 AM PDT             7.4            928         -              Normal
  03/19/2017 07 AM PDT             7.4            935         +              Normal
  03/19/2017 08 AM PDT             7.4            932         -              Normal
  03/19/2017 09 AM PDT             7.4            932         0              Normal
  03/19/2017 10 AM PDT             7.5            942         +              Normal
  03/19/2017 11 AM PDT             7.4            935         -              Normal
  03/19/2017 12 PM PDT             7.4            939         +              Normal
  03/19/2017 01 PM PDT             7.4            935         -              Normal
  03/19/2017 02 PM PDT             7.4            939         +              Normal
  03/19/2017 03 PM PDT             7.4            935         -              Normal
  03/19/2017 04 PM PDT             7.4            935         0              Normal
  03/19/2017 05 PM PDT             7.4            939         +              Normal
  03/19/2017 06 PM PDT             7.5            952         +              Normal
  03/19/2017 07 PM PDT             7.4            935         -              Normal
  03/19/2017 08 PM PDT             7.5            945         +              Normal
  03/19/2017 09 PM PDT             7.5            949         +              Normal
  03/19/2017 10 PM PDT             7.4            939         -              Normal
  03/19/2017 11 PM PDT             7.5            942         +              Normal
  03/20/2017 12 AM PDT             7.5            945         +              Normal
  03/20/2017 01 AM PDT             7.5            952         +              Normal
  03/20/2017 02 AM PDT             7.5            959         +              Normal
  03/20/2017 03 AM PDT             7.5            965         +              Normal
  03/20/2017 04 AM PDT             7.5            952         -              Normal
  03/20/2017 05 AM PDT             7.5            956         +              Normal
  03/20/2017 06 AM PDT             7.5            949         -              Normal
  03/20/2017 07 AM PDT             7.5            969         +              Normal
  03/20/2017 08 AM PDT             7.5            965         -              Normal
  03/20/2017 09 AM PDT             7.6            979         +              Normal
  03/20/2017 10 AM PDT             7.6            985         +              Normal
  03/20/2017 11 AM PDT             7.6           1005         +              Normal
  03/20/2017 12 PM PDT             7.7           1012         +              Normal
  03/20/2017 01 PM PDT             7.7           1016         +              Normal
  03/20/2017 02 PM PDT             7.7           1033         +              Normal
  03/20/2017 03 PM PDT             7.8           1047         +              Normal
  03/20/2017 04 PM PDT             7.8           1040         -              Normal
  03/20/2017 05 PM PDT             7.8           1050         +              Normal
  03/20/2017 06 PM PDT             7.8           1054         +              Normal
  03/20/2017 07 PM PDT             7.8           1057         +              Normal
  03/20/2017 08 PM PDT             7.8           1054         -              Normal
  03/20/2017 09 PM PDT             7.8           1061         +              Normal
  03/20/2017 10 PM PDT             7.8           1064         +              Normal
  03/20/2017 11 PM PDT             7.8           1068         +              Normal
  03/21/2017 12 AM PDT             7.8           1071         +              Normal
  03/21/2017 01 AM PDT             7.9           1079         +              Normal
  03/21/2017 02 AM PDT             7.9           1097         +              Normal
  03/21/2017 03 AM PDT             7.9           1107         +              Normal
  03/21/2017 04 AM PDT             8.0           1118         +              Normal
  03/21/2017 05 AM PDT             8.0           1122         +              Normal
  03/21/2017 06 AM PDT             8.0           1130         +              Normal
  03/21/2017 07 AM PDT             8.0           1147         +              Normal
  03/21/2017 08 AM PDT             8.1           1151         +              Normal
  03/21/2017 09 AM PDT             8.1           1165         +              Normal
  03/21/2017 10 AM PDT             8.1           1165         0              Normal
  03/21/2017 11 AM PDT             8.2           1187         +              Normal
  03/21/2017 12 PM PDT             8.1           1179         -              Normal
  03/21/2017 01 PM PDT             8.1           1179         0              Normal
  03/21/2017 02 PM PDT             8.2           1194         +              Normal
  03/21/2017 03 PM PDT             8.2           1205         +              Normal
  03/21/2017 04 PM PDT             8.2           1205         0              Normal
  03/21/2017 05 PM PDT             8.2           1216         +              Normal
  03/21/2017 06 PM PDT             8.3           1220         +              Normal
  03/21/2017 07 PM PDT             8.3           1247         +              Normal
  03/21/2017 08 PM PDT             8.3           1251         +              Normal
  03/21/2017 09 PM PDT             8.4           1267         +              Normal
  03/21/2017 10 PM PDT             8.4           1283         +              Normal
  03/21/2017 11 PM PDT             8.4           1299         +              Normal
  03/22/2017 12 AM PDT             8.5           1311         +              Normal
  03/22/2017 01 AM PDT             8.5           1320         +              Normal
  03/22/2017 02 AM PDT             8.6           1348         +              Normal
  03/22/2017 03 AM PDT             8.6           1366         +              Normal
  03/22/2017 04 AM PDT             8.7           1377         +              Normal
  03/22/2017 05 AM PDT             8.7           1402         +              Normal
  03/22/2017 06 AM PDT             8.8           1433         +              Normal
  03/22/2017 07 AM PDT             8.8           1445         +              Normal
  03/22/2017 08 AM PDT             8.8           1437         -              Normal
  03/22/2017 09 AM PDT             8.9           1481         +              Normal
  03/22/2017 10 AM PDT             9.0           1493         +              Normal
  03/22/2017 11 AM PDT             9.0           1510         +              Normal
  03/22/2017 12 PM PDT             9.0           1527         +              Normal
  03/22/2017 01 PM PDT             9.1           1539         +              Normal
  03/22/2017 02 PM PDT             9.1           1554         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/22/2017 03 PM PDT             9.2           1568                        Normal
  03/22/2017 04 PM PDT             9.2           1582         +              Normal
  03/22/2017 05 PM PDT             9.2           1595         +              Normal
  03/22/2017 06 PM PDT             9.2           1597         +              Normal
  03/22/2017 07 PM PDT             9.3           1607         +       Above Monitor
  03/22/2017 08 PM PDT             9.3           1615         +       Above Monitor
  03/22/2017 09 PM PDT             9.3           1620         +       Above Monitor
  03/22/2017 10 PM PDT             9.3           1624         +       Above Monitor
  03/22/2017 11 PM PDT             9.3           1628         +       Above Monitor
  03/23/2017 12 AM PDT             9.3           1632         +       Above Monitor
  03/23/2017 01 AM PDT             9.3           1635         +       Above Monitor
  03/23/2017 02 AM PDT             9.4           1638         +       Above Monitor
  03/23/2017 03 AM PDT             9.4           1641         +       Above Monitor
  03/23/2017 04 AM PDT             9.4           1644         +       Above Monitor
  03/23/2017 05 AM PDT             9.4           1646         +       Above Monitor
  03/23/2017 06 AM PDT             9.4           1649         +       Above Monitor
  03/23/2017 07 AM PDT             9.4           1651         +       Above Monitor
  03/23/2017 08 AM PDT             9.4           1653         +       Above Monitor
  03/23/2017 09 AM PDT             9.4           1655         +       Above Monitor
  03/23/2017 10 AM PDT             9.4           1657         +       Above Monitor
  03/23/2017 11 AM PDT             9.4           1659         +       Above Monitor
  03/23/2017 12 PM PDT             9.4           1661         +       Above Monitor
  03/23/2017 01 PM PDT             9.4           1662         +       Above Monitor
  03/23/2017 02 PM PDT             9.4           1663         +       Above Monitor
  03/23/2017 03 PM PDT             9.4           1665         +       Above Monitor
  03/23/2017 04 PM PDT             9.4           1666         +       Above Monitor
  03/23/2017 05 PM PDT             9.4           1667         +       Above Monitor
  03/23/2017 06 PM PDT             9.4           1660         -       Above Monitor
  03/23/2017 07 PM PDT             9.4           1660         0       Above Monitor
  03/23/2017 08 PM PDT             9.4           1661         +       Above Monitor
  03/23/2017 09 PM PDT             9.4           1661         0       Above Monitor
  03/23/2017 10 PM PDT             9.4           1660         -       Above Monitor
  03/23/2017 11 PM PDT             9.4           1660         0       Above Monitor
  03/24/2017 12 AM PDT             9.4           1660         0       Above Monitor
  03/24/2017 01 AM PDT             9.4           1660         0       Above Monitor
  03/24/2017 02 AM PDT             9.4           1660         0       Above Monitor
  03/24/2017 03 AM PDT             9.4           1660         0       Above Monitor
  03/24/2017 04 AM PDT             9.4           1661         +       Above Monitor
  03/24/2017 05 AM PDT             9.4           1661         0       Above Monitor
  03/24/2017 06 AM PDT             9.4           1661         0       Above Monitor
  03/24/2017 07 AM PDT             9.4           1662         +       Above Monitor
  03/24/2017 08 AM PDT             9.4           1662         0       Above Monitor
  03/24/2017 09 AM PDT             9.4           1663         +       Above Monitor
  03/24/2017 10 AM PDT             9.4           1663         0       Above Monitor
  03/24/2017 11 AM PDT             9.4           1664         +       Above Monitor
  03/24/2017 12 PM PDT             9.4           1664         0       Above Monitor
  03/24/2017 01 PM PDT             9.4           1664         0       Above Monitor
  03/24/2017 02 PM PDT             9.4           1665         +       Above Monitor
  03/24/2017 03 PM PDT             9.4           1665         0       Above Monitor
  03/24/2017 04 PM PDT             9.4           1665         0       Above Monitor
  03/24/2017 05 PM PDT             9.4           1666         +       Above Monitor
  03/24/2017 06 PM PDT             9.4           1658         -       Above Monitor
  03/24/2017 07 PM PDT             9.4           1658         0       Above Monitor
  03/24/2017 08 PM PDT             9.4           1659         +       Above Monitor
  03/24/2017 09 PM PDT             9.4           1658         -       Above Monitor
  03/24/2017 10 PM PDT             9.4           1657         -       Above Monitor
  03/24/2017 11 PM PDT             9.4           1657         0       Above Monitor
  03/25/2017 12 AM PDT             9.4           1657         0       Above Monitor
  03/25/2017 01 AM PDT             9.4           1657         0       Above Monitor
  03/25/2017 02 AM PDT             9.4           1657         0       Above Monitor
  03/25/2017 03 AM PDT             9.4           1658         +       Above Monitor
  03/25/2017 04 AM PDT             9.4           1658         0       Above Monitor
  03/25/2017 05 AM PDT             9.4           1659         +       Above Monitor
  03/25/2017 06 AM PDT             9.4           1660         +       Above Monitor
  03/25/2017 07 AM PDT             9.4           1660         0       Above Monitor
  03/25/2017 08 AM PDT             9.4           1661         +       Above Monitor
  03/25/2017 09 AM PDT             9.4           1662         +       Above Monitor
  03/25/2017 10 AM PDT             9.4           1663         +       Above Monitor
  03/25/2017 11 AM PDT             9.4           1663         0       Above Monitor
  03/25/2017 12 PM PDT             9.4           1664         +       Above Monitor
  03/25/2017 01 PM PDT             9.4           1665         +       Above Monitor
  03/25/2017 02 PM PDT             9.4           1665         0       Above Monitor
  03/25/2017 03 PM PDT             9.4           1666         +       Above Monitor
  03/25/2017 04 PM PDT             9.4           1667         +       Above Monitor
  03/25/2017 05 PM PDT             9.4           1667         0       Above Monitor
  03/25/2017 06 PM PDT             9.4           1660         -       Above Monitor
  03/25/2017 07 PM PDT             9.4           1660         0       Above Monitor
  03/25/2017 08 PM PDT             9.4           1661         +       Above Monitor
  03/25/2017 09 PM PDT             9.4           1661         0       Above Monitor
  03/25/2017 10 PM PDT             9.4           1660         -       Above Monitor
  03/25/2017 11 PM PDT             9.4           1659         -       Above Monitor
  03/26/2017 12 AM PDT             9.4           1659         0       Above Monitor
  03/26/2017 01 AM PDT             9.4           1659         0       Above Monitor
  03/26/2017 02 AM PDT             9.4           1660         +       Above Monitor
  03/26/2017 03 AM PDT             9.4           1660         0       Above Monitor
  03/26/2017 04 AM PDT             9.4           1661         +       Above Monitor
  03/26/2017 05 AM PDT             9.4           1662         +       Above Monitor
  03/26/2017 06 AM PDT             9.4           1662         0       Above Monitor
  03/26/2017 07 AM PDT             9.4           1663         +       Above Monitor
  03/26/2017 08 AM PDT             9.4           1664         +       Above Monitor
  03/26/2017 09 AM PDT             9.4           1664         0       Above Monitor
  03/26/2017 10 AM PDT             9.4           1665         +       Above Monitor
  03/26/2017 11 AM PDT             9.4           1666         +       Above Monitor
  03/26/2017 12 PM PDT             9.4           1667         +       Above Monitor
  03/26/2017 01 PM PDT             9.4           1667         0       Above Monitor
  03/26/2017 02 PM PDT             9.4           1668         +       Above Monitor
  03/26/2017 03 PM PDT             9.4           1669         +       Above Monitor
  03/26/2017 04 PM PDT             9.4           1670         +       Above Monitor
  03/26/2017 05 PM PDT             9.4           1670         0       Above Monitor
  03/26/2017 06 PM PDT             9.4           1663         -       Above Monitor
  03/26/2017 07 PM PDT             9.4           1663         0       Above Monitor
  03/26/2017 08 PM PDT             9.4           1664         +       Above Monitor
  03/26/2017 09 PM PDT             9.4           1664         0       Above Monitor
  03/26/2017 10 PM PDT             9.4           1663         -       Above Monitor
  03/26/2017 11 PM PDT             9.4           1663         0       Above Monitor
  03/27/2017 12 AM PDT             9.4           1663         0       Above Monitor
  03/27/2017 01 AM PDT             9.4           1663         0       Above Monitor
  03/27/2017 02 AM PDT             9.4           1664         +       Above Monitor
  03/27/2017 03 AM PDT             9.4           1664         0       Above Monitor
  03/27/2017 04 AM PDT             9.4           1665         +       Above Monitor
  03/27/2017 05 AM PDT             9.4           1665         0       Above Monitor

# 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/or flow.
# NOTE 4: Maximum Values are determined using unrounded stage and/or flow.