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: Oct 01 2022 at 7:43 AM PDTNext Issuance: Oct 02 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:  10/01/2022 at 07:43 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/29/2022 at 12:00 PM PDT
# Maximum Observed Stage:                       4.1 Feet
# Maximum Observed Flow:                        43 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/06/2022 at 12:00 AM PDT
# Maximum Forecast Stage:                       4.1 Feet
# Maximum Forecast Flow:                        45 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/26/2022 07 AM PDT             4.0             40                        Normal
  09/26/2022 08 AM PDT             4.0             39         -              Normal
  09/26/2022 09 AM PDT             4.0             39         0              Normal
  09/26/2022 10 AM PDT             4.0             39         0              Normal
  09/26/2022 11 AM PDT             4.0             40         +              Normal
  09/26/2022 12 PM PDT             4.0             40         0              Normal
  09/26/2022 01 PM PDT             4.0             40         0              Normal
  09/26/2022 02 PM PDT             4.0             40         0              Normal
  09/26/2022 03 PM PDT             4.0             39         -              Normal
  09/26/2022 04 PM PDT             4.0             39         0              Normal
  09/26/2022 05 PM PDT             4.0             39         0              Normal
  09/26/2022 06 PM PDT             4.0             39         0              Normal
  09/26/2022 07 PM PDT             4.0             39         0              Normal
  09/26/2022 08 PM PDT             4.0             39         0              Normal
  09/26/2022 09 PM PDT             4.0             39         0              Normal
  09/26/2022 10 PM PDT             4.0             39         0              Normal
  09/26/2022 11 PM PDT             4.0             39         0              Normal
  09/27/2022 12 AM PDT             4.0             39         0              Normal
  09/27/2022 01 AM PDT             4.0             40         +              Normal
  09/27/2022 02 AM PDT             4.0             40         0              Normal
  09/27/2022 03 AM PDT             4.0             40         0              Normal
  09/27/2022 04 AM PDT             4.0             40         0              Normal
  09/27/2022 05 AM PDT             4.0             40         0              Normal
  09/27/2022 06 AM PDT             4.0             39         -              Normal
  09/27/2022 07 AM PDT             4.0             39         0              Normal
  09/27/2022 08 AM PDT             4.0             39         0              Normal
  09/27/2022 09 AM PDT             4.0             39         0              Normal
  09/27/2022 10 AM PDT             4.0             38         -              Normal
  09/27/2022 11 AM PDT             4.0             38         0              Normal
  09/27/2022 12 PM PDT             4.0             38         0              Normal
  09/27/2022 01 PM PDT             4.0             39         +              Normal
  09/27/2022 02 PM PDT             4.0             39         0              Normal
  09/27/2022 03 PM PDT             4.0             39         0              Normal
  09/27/2022 04 PM PDT             4.0             39         0              Normal
  09/27/2022 05 PM PDT             4.0             39         0              Normal
  09/27/2022 06 PM PDT             4.0             39         0              Normal
  09/27/2022 07 PM PDT             4.0             38         -              Normal
  09/27/2022 08 PM PDT             4.0             38         0              Normal
  09/27/2022 09 PM PDT             4.0             39         +              Normal
  09/27/2022 10 PM PDT             4.0             38         -              Normal
  09/27/2022 11 PM PDT             4.0             38         0              Normal
  09/28/2022 12 AM PDT             4.0             38         0              Normal
  09/28/2022 01 AM PDT             4.0             38         0              Normal
  09/28/2022 02 AM PDT             4.0             37         -              Normal
  09/28/2022 03 AM PDT             4.0             38         +              Normal
  09/28/2022 04 AM PDT             4.0             38         0              Normal
  09/28/2022 05 AM PDT             4.0             38         0              Normal
  09/28/2022 06 AM PDT             4.0             38         0              Normal
  09/28/2022 07 AM PDT             4.0             38         0              Normal
  09/28/2022 08 AM PDT             4.0             38         0              Normal
  09/28/2022 09 AM PDT             4.0             37         -              Normal
  09/28/2022 10 AM PDT             4.0             36         -              Normal
  09/28/2022 11 AM PDT             4.0             35         -              Normal
  09/28/2022 12 PM PDT             4.0             35         0              Normal
  09/28/2022 01 PM PDT             4.0             35         0              Normal
  09/28/2022 02 PM PDT             4.0             35         0              Normal
  09/28/2022 03 PM PDT             4.0             32         -              Normal
  09/28/2022 04 PM PDT             4.0             32         +              Normal
  09/28/2022 05 PM PDT             4.0             35         +              Normal
  09/28/2022 06 PM PDT             4.0             36         +              Normal
  09/28/2022 07 PM PDT             4.0             36         0              Normal
  09/28/2022 08 PM PDT             4.0             36         0              Normal
  09/28/2022 09 PM PDT             4.0             37         +              Normal
  09/28/2022 10 PM PDT             4.0             38         +              Normal
  09/28/2022 11 PM PDT             4.0             39         +              Normal
  09/29/2022 12 AM PDT             4.0             40         +              Normal
  09/29/2022 01 AM PDT             4.0             40         0              Normal
  09/29/2022 02 AM PDT             4.1             41         +              Normal
  09/29/2022 03 AM PDT             4.1             41         0              Normal
  09/29/2022 04 AM PDT             4.1             42         +              Normal
  09/29/2022 05 AM PDT             4.1             42         0              Normal
  09/29/2022 06 AM PDT             4.1             43         +              Normal
  09/29/2022 07 AM PDT             4.1             43         0              Normal
  09/29/2022 08 AM PDT             4.1             43         0              Normal
  09/29/2022 09 AM PDT             4.1             42         -              Normal
  09/29/2022 10 AM PDT             4.1             43         +              Normal
  09/29/2022 11 AM PDT             4.1             43         0              Normal
  09/29/2022 12 PM PDT             4.1             43         0              Normal
  09/29/2022 01 PM PDT             4.1             42         -              Normal
  09/29/2022 02 PM PDT             4.1             42         0              Normal
  09/29/2022 03 PM PDT             4.1             41         -              Normal
  09/29/2022 04 PM PDT             4.0             40         -              Normal
  09/29/2022 05 PM PDT             4.0             39         -              Normal
  09/29/2022 06 PM PDT             4.0             38         -              Normal
  09/29/2022 07 PM PDT             4.0             38         0              Normal
  09/29/2022 08 PM PDT             4.0             38         0              Normal
  09/29/2022 09 PM PDT             4.0             37         -              Normal
  09/29/2022 10 PM PDT             4.0             37         0              Normal
  09/29/2022 11 PM PDT             4.0             38         +              Normal
  09/30/2022 12 AM PDT             4.0             38         0              Normal
  09/30/2022 01 AM PDT             4.0             38         0              Normal
  09/30/2022 02 AM PDT             4.0             38         0              Normal
  09/30/2022 03 AM PDT             4.0             38         0              Normal
  09/30/2022 04 AM PDT             4.0             38         0              Normal
  09/30/2022 05 AM PDT             4.0             38         0              Normal
  09/30/2022 06 AM PDT             4.0             38         0              Normal
  09/30/2022 07 AM PDT             4.0             38         0              Normal
  09/30/2022 08 AM PDT             4.0             38         0              Normal
  09/30/2022 09 AM PDT             4.0             37         -              Normal
  09/30/2022 10 AM PDT             4.0             36         -              Normal
  09/30/2022 11 AM PDT             4.0             35         -              Normal
  09/30/2022 12 PM PDT             4.0             35         0              Normal
  09/30/2022 01 PM PDT             4.0             34         -              Normal
  09/30/2022 02 PM PDT             4.0             34         0              Normal
  09/30/2022 03 PM PDT             4.0             33         -              Normal
  09/30/2022 04 PM PDT             4.0             33         0              Normal
  09/30/2022 05 PM PDT             4.0             32         -              Normal
  09/30/2022 06 PM PDT             4.0             33         +              Normal
  09/30/2022 07 PM PDT             4.0             32         -              Normal
  09/30/2022 08 PM PDT             4.0             33         +              Normal
  09/30/2022 09 PM PDT             4.0             32         -              Normal
  09/30/2022 10 PM PDT             4.0             33         +              Normal
  09/30/2022 11 PM PDT             4.0             32         -              Normal
  10/01/2022 12 AM PDT             4.0             32         0              Normal
  10/01/2022 01 AM PDT             4.0             33         +              Normal
  10/01/2022 02 AM PDT             4.0             33         0              Normal
  10/01/2022 03 AM PDT             4.0             33         0              Normal
  10/01/2022 04 AM PDT             4.0             33         0              Normal
  10/01/2022 05 AM PDT             4.0             33         0              Normal
  10/01/2022 06 AM PDT             4.0             33         0              Normal
  10/01/2022 07 AM PDT             4.0             33         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/01/2022 08 AM PDT             4.0             33                        Normal
  10/01/2022 09 AM PDT             4.0             33         0              Normal
  10/01/2022 10 AM PDT             4.0             33         0              Normal
  10/01/2022 11 AM PDT             4.0             33         0              Normal
  10/01/2022 12 PM PDT             4.0             33         0              Normal
  10/01/2022 01 PM PDT             4.0             33         0              Normal
  10/01/2022 02 PM PDT             4.0             33         0              Normal
  10/01/2022 03 PM PDT             4.0             33         0              Normal
  10/01/2022 04 PM PDT             4.0             33         0              Normal
  10/01/2022 05 PM PDT             4.0             33         0              Normal
  10/01/2022 06 PM PDT             4.0             34         +              Normal
  10/01/2022 07 PM PDT             4.0             34         0              Normal
  10/01/2022 08 PM PDT             4.0             34         0              Normal
  10/01/2022 09 PM PDT             4.0             34         0              Normal
  10/01/2022 10 PM PDT             4.0             34         0              Normal
  10/01/2022 11 PM PDT             4.0             35         +              Normal
  10/02/2022 12 AM PDT             4.0             35         0              Normal
  10/02/2022 01 AM PDT             4.0             35         0              Normal
  10/02/2022 02 AM PDT             4.0             35         0              Normal
  10/02/2022 03 AM PDT             4.0             36         +              Normal
  10/02/2022 04 AM PDT             4.0             36         0              Normal
  10/02/2022 05 AM PDT             4.0             36         0              Normal
  10/02/2022 06 AM PDT             4.0             36         0              Normal
  10/02/2022 07 AM PDT             4.0             36         0              Normal
  10/02/2022 08 AM PDT             4.0             36         0              Normal
  10/02/2022 09 AM PDT             4.0             36         0              Normal
  10/02/2022 10 AM PDT             4.0             36         0              Normal
  10/02/2022 11 AM PDT             4.0             36         0              Normal
  10/02/2022 12 PM PDT             4.0             36         0              Normal
  10/02/2022 01 PM PDT             4.0             36         0              Normal
  10/02/2022 02 PM PDT             4.0             36         0              Normal
  10/02/2022 03 PM PDT             4.0             36         0              Normal
  10/02/2022 04 PM PDT             4.0             36         0              Normal
  10/02/2022 05 PM PDT             4.0             36         0              Normal
  10/02/2022 06 PM PDT             4.0             36         0              Normal
  10/02/2022 07 PM PDT             4.0             36         0              Normal
  10/02/2022 08 PM PDT             4.0             36         0              Normal
  10/02/2022 09 PM PDT             4.0             36         0              Normal
  10/02/2022 10 PM PDT             4.0             36         0              Normal
  10/02/2022 11 PM PDT             4.0             37         +              Normal
  10/03/2022 12 AM PDT             4.0             37         0              Normal
  10/03/2022 01 AM PDT             4.0             37         0              Normal
  10/03/2022 02 AM PDT             4.0             38         +              Normal
  10/03/2022 03 AM PDT             4.0             38         0              Normal
  10/03/2022 04 AM PDT             4.0             38         0              Normal
  10/03/2022 05 AM PDT             4.0             38         0              Normal
  10/03/2022 06 AM PDT             4.0             38         0              Normal
  10/03/2022 07 AM PDT             4.0             38         0              Normal
  10/03/2022 08 AM PDT             4.0             38         0              Normal
  10/03/2022 09 AM PDT             4.0             38         0              Normal
  10/03/2022 10 AM PDT             4.0             38         0              Normal
  10/03/2022 11 AM PDT             4.0             38         0              Normal
  10/03/2022 12 PM PDT             4.0             38         0              Normal
  10/03/2022 01 PM PDT             4.0             38         0              Normal
  10/03/2022 02 PM PDT             4.0             38         0              Normal
  10/03/2022 03 PM PDT             4.0             38         0              Normal
  10/03/2022 04 PM PDT             4.0             38         0              Normal
  10/03/2022 05 PM PDT             4.0             38         0              Normal
  10/03/2022 06 PM PDT             4.0             38         0              Normal
  10/03/2022 07 PM PDT             4.0             38         0              Normal
  10/03/2022 08 PM PDT             4.0             38         0              Normal
  10/03/2022 09 PM PDT             4.0             38         0              Normal
  10/03/2022 10 PM PDT             4.0             39         +              Normal
  10/03/2022 11 PM PDT             4.0             39         0              Normal
  10/04/2022 12 AM PDT             4.0             39         0              Normal
  10/04/2022 01 AM PDT             4.0             40         +              Normal
  10/04/2022 02 AM PDT             4.0             40         0              Normal
  10/04/2022 03 AM PDT             4.0             40         0              Normal
  10/04/2022 04 AM PDT             4.0             40         0              Normal
  10/04/2022 05 AM PDT             4.0             40         0              Normal
  10/04/2022 06 AM PDT             4.0             40         0              Normal
  10/04/2022 07 AM PDT             4.0             40         0              Normal
  10/04/2022 08 AM PDT             4.0             40         0              Normal
  10/04/2022 09 AM PDT             4.0             40         0              Normal
  10/04/2022 10 AM PDT             4.0             40         0              Normal
  10/04/2022 11 AM PDT             4.0             40         0              Normal
  10/04/2022 12 PM PDT             4.0             40         0              Normal
  10/04/2022 01 PM PDT             4.0             40         0              Normal
  10/04/2022 02 PM PDT             4.0             40         0              Normal
  10/04/2022 03 PM PDT             4.0             40         0              Normal
  10/04/2022 04 PM PDT             4.0             40         0              Normal
  10/04/2022 05 PM PDT             4.0             40         0              Normal
  10/04/2022 06 PM PDT             4.1             41         +              Normal
  10/04/2022 07 PM PDT             4.1             41         0              Normal
  10/04/2022 08 PM PDT             4.1             41         0              Normal
  10/04/2022 09 PM PDT             4.1             41         0              Normal
  10/04/2022 10 PM PDT             4.1             41         0              Normal
  10/04/2022 11 PM PDT             4.1             42         +              Normal
  10/05/2022 12 AM PDT             4.1             42         0              Normal
  10/05/2022 01 AM PDT             4.1             42         0              Normal
  10/05/2022 02 AM PDT             4.1             42         0              Normal
  10/05/2022 03 AM PDT             4.1             43         +              Normal
  10/05/2022 04 AM PDT             4.1             43         0              Normal
  10/05/2022 05 AM PDT             4.1             43         0              Normal
  10/05/2022 06 AM PDT             4.1             43         0              Normal
  10/05/2022 07 AM PDT             4.1             43         0              Normal
  10/05/2022 08 AM PDT             4.1             43         0              Normal
  10/05/2022 09 AM PDT             4.1             43         0              Normal
  10/05/2022 10 AM PDT             4.1             43         0              Normal
  10/05/2022 11 AM PDT             4.1             43         0              Normal
  10/05/2022 12 PM PDT             4.1             43         0              Normal
  10/05/2022 01 PM PDT             4.1             43         0              Normal
  10/05/2022 02 PM PDT             4.1             43         0              Normal
  10/05/2022 03 PM PDT             4.1             43         0              Normal
  10/05/2022 04 PM PDT             4.1             43         0              Normal
  10/05/2022 05 PM PDT             4.1             43         0              Normal
  10/05/2022 06 PM PDT             4.1             44         +              Normal
  10/05/2022 07 PM PDT             4.1             44         0              Normal
  10/05/2022 08 PM PDT             4.1             44         0              Normal
  10/05/2022 09 PM PDT             4.1             44         0              Normal
  10/05/2022 10 PM PDT             4.1             44         0              Normal
  10/05/2022 11 PM PDT             4.1             44         0              Normal
  10/06/2022 12 AM PDT             4.1             45         +              Normal
  10/06/2022 01 AM PDT             4.1             45         0              Normal
  10/06/2022 02 AM PDT             4.1             45         0              Normal
  10/06/2022 03 AM PDT             4.1             45         0              Normal
  10/06/2022 04 AM PDT             4.1             45         0              Normal
  10/06/2022 05 AM PDT             4.1             45         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.