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: 11/14/2026 at 10:40 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/10/2026 at 04:00 AM PST
# Maximum Observed Stage: 3.61 Feet
# Maximum Observed Flow: 57 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/15/2026 at 01:00 AM PST
# Maximum Forecast Stage: 3.59 Feet
# Maximum Forecast Flow: 55 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
11/09/2026 10 AM PST 3.61 57 Normal
11/09/2026 11 AM PST 3.60 56 - Normal
11/09/2026 12 PM PST 3.60 56 0 Normal
11/09/2026 01 PM PST 3.61 57 + Normal
11/09/2026 02 PM PST 3.60 56 - Normal
11/09/2026 03 PM PST 3.60 56 0 Normal
11/09/2026 04 PM PST 3.60 56 0 Normal
11/09/2026 05 PM PST 3.60 56 0 Normal
11/09/2026 06 PM PST 3.61 57 + Normal
11/09/2026 07 PM PST 3.61 57 0 Normal
11/09/2026 08 PM PST 3.61 57 0 Normal
11/09/2026 09 PM PST 3.61 57 0 Normal
11/09/2026 10 PM PST 3.61 57 0 Normal
11/09/2026 11 PM PST 3.60 56 - Normal
11/10/2026 12 AM PST 3.60 56 0 Normal
11/10/2026 01 AM PST 3.60 56 0 Normal
11/10/2026 02 AM PST 3.60 56 0 Normal
11/10/2026 03 AM PST 3.61 57 + Normal
11/10/2026 04 AM PST 3.61 57 0 Normal
11/10/2026 05 AM PST 3.60 56 - Normal
11/10/2026 06 AM PST 3.60 56 0 Normal
11/10/2026 07 AM PST 3.60 56 0 Normal
11/10/2026 08 AM PST 3.59 55 - Normal
11/10/2026 09 AM PST 3.60 56 + Normal
11/10/2026 10 AM PST 3.59 55 - Normal
11/10/2026 11 AM PST 3.59 55 0 Normal
11/10/2026 12 PM PST 3.57 53 - Normal
11/10/2026 01 PM PST 3.59 55 + Normal
11/10/2026 02 PM PST 3.59 55 0 Normal
11/10/2026 03 PM PST 3.59 55 0 Normal
11/10/2026 04 PM PST 3.57 53 - Normal
11/10/2026 05 PM PST 3.53 49 - Normal
11/10/2026 06 PM PST 3.52 49 - Normal
11/10/2026 07 PM PST 3.52 49 0 Normal
11/10/2026 08 PM PST 3.51 48 - Normal
11/10/2026 09 PM PST 3.51 48 0 Normal
11/10/2026 10 PM PST 3.51 48 0 Normal
11/10/2026 11 PM PST 3.50 47 - Normal
11/11/2026 12 AM PST 3.50 47 0 Normal
11/11/2026 01 AM PST 3.50 47 0 Normal
11/11/2026 02 AM PST 3.50 47 0 Normal
11/11/2026 03 AM PST 3.50 47 0 Normal
11/11/2026 04 AM PST 3.50 47 0 Normal
11/11/2026 05 AM PST 3.50 47 0 Normal
11/11/2026 06 AM PST 3.49 46 - Normal
11/11/2026 07 AM PST 3.49 46 0 Normal
11/11/2026 08 AM PST 3.49 46 0 Normal
11/11/2026 09 AM PST 3.49 46 0 Normal
11/11/2026 10 AM PST 3.49 46 0 Normal
11/11/2026 11 AM PST 3.49 46 0 Normal
11/11/2026 12 PM PST 3.49 46 0 Normal
11/11/2026 01 PM PST 3.48 45 - Normal
11/11/2026 02 PM PST 3.48 45 0 Normal
11/11/2026 03 PM PST 3.48 45 0 Normal
11/11/2026 04 PM PST 3.48 45 0 Normal
11/11/2026 05 PM PST 3.48 45 0 Normal
11/11/2026 06 PM PST 3.48 45 0 Normal
11/11/2026 07 PM PST 3.48 45 0 Normal
11/11/2026 08 PM PST 3.48 45 0 Normal
11/11/2026 09 PM PST 3.48 45 0 Normal
11/11/2026 10 PM PST 3.47 44 - Normal
11/11/2026 11 PM PST 3.47 44 0 Normal
11/12/2026 12 AM PST 3.47 44 0 Normal
11/12/2026 01 AM PST 3.47 44 0 Normal
11/12/2026 02 AM PST 3.47 44 0 Normal
11/12/2026 03 AM PST 3.47 44 0 Normal
11/12/2026 04 AM PST 3.47 44 0 Normal
11/12/2026 05 AM PST 3.47 44 0 Normal
11/12/2026 06 AM PST 3.47 44 0 Normal
11/12/2026 07 AM PST 3.47 44 0 Normal
11/12/2026 08 AM PST 3.47 44 0 Normal
11/12/2026 09 AM PST 3.46 44 - Normal
11/12/2026 10 AM PST 3.47 44 + Normal
11/12/2026 11 AM PST 3.46 44 - Normal
11/12/2026 12 PM PST 3.46 44 0 Normal
11/12/2026 01 PM PST 3.46 44 0 Normal
11/12/2026 02 PM PST 3.46 44 0 Normal
11/12/2026 03 PM PST 3.45 43 - Normal
11/12/2026 04 PM PST 3.45 43 0 Normal
11/12/2026 05 PM PST 3.46 44 + Normal
11/12/2026 06 PM PST 3.46 44 0 Normal
11/12/2026 07 PM PST 3.49 46 + Normal
11/12/2026 08 PM PST 3.50 47 + Normal
11/12/2026 09 PM PST 3.50 47 0 Normal
11/12/2026 10 PM PST 3.51 48 + Normal
11/12/2026 11 PM PST 3.51 48 0 Normal
11/13/2026 12 AM PST 3.51 48 0 Normal
11/13/2026 01 AM PST 3.51 48 0 Normal
11/13/2026 02 AM PST 3.52 49 + Normal
11/13/2026 03 AM PST 3.52 49 0 Normal
11/13/2026 04 AM PST 3.52 49 0 Normal
11/13/2026 05 AM PST 3.52 49 0 Normal
11/13/2026 06 AM PST 3.52 49 0 Normal
11/13/2026 07 AM PST 3.52 49 0 Normal
11/13/2026 08 AM PST 3.52 49 0 Normal
11/13/2026 09 AM PST 3.53 49 + Normal
11/13/2026 10 AM PST 3.53 49 0 Normal
11/13/2026 11 AM PST 3.53 49 0 Normal
11/13/2026 12 PM PST 3.53 49 0 Normal
11/13/2026 01 PM PST 3.53 49 0 Normal
11/13/2026 02 PM PST 3.52 49 - Normal
11/13/2026 03 PM PST 3.52 49 0 Normal
11/13/2026 04 PM PST 3.54 50 + Normal
11/13/2026 05 PM PST 3.54 50 0 Normal
11/13/2026 06 PM PST 3.54 50 0 Normal
11/13/2026 07 PM PST 3.54 50 0 Normal
11/13/2026 08 PM PST 3.55 51 + Normal
11/13/2026 09 PM PST 3.57 53 + Normal
11/13/2026 10 PM PST 3.56 52 - Normal
11/13/2026 11 PM PST 3.56 52 0 Normal
11/14/2026 12 AM PST 3.56 52 0 Normal
11/14/2026 01 AM PST 3.56 52 0 Normal
11/14/2026 02 AM PST 3.56 52 0 Normal
11/14/2026 03 AM PST 3.56 52 0 Normal
11/14/2026 04 AM PST 3.55 51 - Normal
11/14/2026 05 AM PST 3.56 52 + Normal
11/14/2026 06 AM PST 3.56 52 0 Normal
11/14/2026 07 AM PST 3.56 52 0 Normal
11/14/2026 08 AM PST 3.56 52 0 Normal
11/14/2026 09 AM PST 3.56 52 0 Normal
11/14/2026 10 AM PST 3.56 52 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/14/2026 11 AM PST 3.55 51 Normal
11/14/2026 12 PM PST 3.55 51 0 Normal
11/14/2026 01 PM PST 3.55 51 0 Normal
11/14/2026 02 PM PST 3.55 51 0 Normal
11/14/2026 03 PM PST 3.55 51 0 Normal
11/14/2026 04 PM PST 3.55 51 0 Normal
11/14/2026 05 PM PST 3.56 52 + Normal
11/14/2026 06 PM PST 3.56 52 0 Normal
11/14/2026 07 PM PST 3.56 52 0 Normal
11/14/2026 08 PM PST 3.56 52 0 Normal
11/14/2026 09 PM PST 3.57 53 + Normal
11/14/2026 10 PM PST 3.57 53 0 Normal
11/14/2026 11 PM PST 3.58 54 + Normal
11/15/2026 12 AM PST 3.58 54 0 Normal
11/15/2026 01 AM PST 3.59 55 + Normal
11/15/2026 02 AM PST 3.59 55 0 Normal
11/15/2026 03 AM PST 3.59 55 0 Normal
11/15/2026 04 AM PST 3.59 55 0 Normal
11/15/2026 05 AM PST 3.59 55 0 Normal
11/15/2026 06 AM PST 3.58 54 - Normal
11/15/2026 07 AM PST 3.58 54 0 Normal
11/15/2026 08 AM PST 3.58 54 0 Normal
11/15/2026 09 AM PST 3.58 54 0 Normal
11/15/2026 10 AM PST 3.57 53 - Normal
11/15/2026 11 AM PST 3.57 53 0 Normal
11/15/2026 12 PM PST 3.57 53 0 Normal
11/15/2026 01 PM PST 3.56 52 - Normal
11/15/2026 02 PM PST 3.56 52 0 Normal
11/15/2026 03 PM PST 3.56 52 0 Normal
11/15/2026 04 PM PST 3.55 51 - Normal
11/15/2026 05 PM PST 3.55 51 0 Normal
11/15/2026 06 PM PST 3.55 51 0 Normal
11/15/2026 07 PM PST 3.54 50 - Normal
11/15/2026 08 PM PST 3.54 50 0 Normal
11/15/2026 09 PM PST 3.54 50 0 Normal
11/15/2026 10 PM PST 3.54 50 0 Normal
11/15/2026 11 PM PST 3.54 50 0 Normal
11/16/2026 12 AM PST 3.54 50 0 Normal
11/16/2026 01 AM PST 3.54 50 0 Normal
11/16/2026 02 AM PST 3.53 49 - Normal
11/16/2026 03 AM PST 3.53 49 0 Normal
11/16/2026 04 AM PST 3.53 49 0 Normal
11/16/2026 05 AM PST 3.52 49 - Normal
11/16/2026 06 AM PST 3.52 49 0 Normal
11/16/2026 07 AM PST 3.52 49 0 Normal
11/16/2026 08 AM PST 3.52 49 0 Normal
11/16/2026 09 AM PST 3.51 48 - Normal
11/16/2026 10 AM PST 3.51 48 0 Normal
11/16/2026 11 AM PST 3.51 48 0 Normal
11/16/2026 12 PM PST 3.51 48 0 Normal
11/16/2026 01 PM PST 3.50 47 - Normal
11/16/2026 02 PM PST 3.50 47 0 Normal
11/16/2026 03 PM PST 3.50 47 0 Normal
11/16/2026 04 PM PST 3.50 47 0 Normal
11/16/2026 05 PM PST 3.50 47 0 Normal
11/16/2026 06 PM PST 3.50 47 0 Normal
11/16/2026 07 PM PST 3.50 47 0 Normal
11/16/2026 08 PM PST 3.50 47 0 Normal
11/16/2026 09 PM PST 3.50 47 0 Normal
11/16/2026 10 PM PST 3.50 47 0 Normal
11/16/2026 11 PM PST 3.50 47 0 Normal
11/17/2026 12 AM PST 3.50 47 0 Normal
11/17/2026 01 AM PST 3.50 47 0 Normal
11/17/2026 02 AM PST 3.50 47 0 Normal
11/17/2026 03 AM PST 3.50 47 0 Normal
11/17/2026 04 AM PST 3.51 48 + Normal
11/17/2026 05 AM PST 3.51 48 0 Normal
11/17/2026 06 AM PST 3.51 48 0 Normal
11/17/2026 07 AM PST 3.51 48 0 Normal
11/17/2026 08 AM PST 3.51 48 0 Normal
11/17/2026 09 AM PST 3.52 49 + Normal
11/17/2026 10 AM PST 3.52 49 0 Normal
11/17/2026 11 AM PST 3.52 49 0 Normal
11/17/2026 12 PM PST 3.52 49 0 Normal
11/17/2026 01 PM PST 3.52 49 0 Normal
11/17/2026 02 PM PST 3.52 49 0 Normal
11/17/2026 03 PM PST 3.52 49 0 Normal
11/17/2026 04 PM PST 3.53 49 + Normal
11/17/2026 05 PM PST 3.53 49 0 Normal
11/17/2026 06 PM PST 3.53 49 0 Normal
11/17/2026 07 PM PST 3.53 49 0 Normal
11/17/2026 08 PM PST 3.53 49 0 Normal
11/17/2026 09 PM PST 3.53 49 0 Normal
11/17/2026 10 PM PST 3.54 50 + Normal
11/17/2026 11 PM PST 3.54 50 0 Normal
11/18/2026 12 AM PST 3.54 50 0 Normal
11/18/2026 01 AM PST 3.54 50 0 Normal
11/18/2026 02 AM PST 3.54 50 0 Normal
11/18/2026 03 AM PST 3.54 50 0 Normal
11/18/2026 04 AM PST 3.54 50 0 Normal
11/18/2026 05 AM PST 3.54 50 0 Normal
11/18/2026 06 AM PST 3.53 49 - Normal
11/18/2026 07 AM PST 3.53 49 0 Normal
11/18/2026 08 AM PST 3.53 49 0 Normal
11/18/2026 09 AM PST 3.53 49 0 Normal
11/18/2026 10 AM PST 3.53 49 0 Normal
11/18/2026 11 AM PST 3.53 49 0 Normal
11/18/2026 12 PM PST 3.52 49 - Normal
11/18/2026 01 PM PST 3.52 49 0 Normal
11/18/2026 02 PM PST 3.52 49 0 Normal
11/18/2026 03 PM PST 3.52 49 0 Normal
11/18/2026 04 PM PST 3.52 49 0 Normal
11/18/2026 05 PM PST 3.52 49 0 Normal
11/18/2026 06 PM PST 3.51 48 - Normal
11/18/2026 07 PM PST 3.51 48 0 Normal
11/18/2026 08 PM PST 3.51 48 0 Normal
11/18/2026 09 PM PST 3.51 48 0 Normal
11/18/2026 10 PM PST 3.51 48 0 Normal
11/18/2026 11 PM PST 3.51 48 0 Normal
11/19/2026 12 AM PST 3.51 48 0 Normal
11/19/2026 01 AM PST 3.51 48 0 Normal
11/19/2026 02 AM PST 3.51 48 0 Normal
11/19/2026 03 AM PST 3.50 47 - Normal
11/19/2026 04 AM PST 3.50 47 0 Normal
#
# 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.