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

 | 

NORTH FORK STANISLAUS RIVER - AVERY (AVYC1)
Latitude: 38.24º NLongitude: 120.29º WElevation: 3388 FeetForecast Type: Unofficial Location
Location: Calaveras County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Sep 20 2026 at 7:55 AM PDTNext Issuance: Sep 21 2026 at 9:00 AM PDT
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: N Fork Stanislaus River - Avery (AVYC1)
#
# File Generation Time:  09/20/2026 at 07:56 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/17/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       2.74 Feet
# Maximum Observed Flow:                        276 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/21/2026 at 05:00 PM PDT
# Maximum Forecast Stage:                       2.50 Feet
# Maximum Forecast Flow:                        225 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/15/2026 07 AM PDT            2.73            273                Not Applicable
  09/15/2026 08 AM PDT            2.74            276         +      Not Applicable
  09/15/2026 09 AM PDT            2.71            269         -      Not Applicable
  09/15/2026 10 AM PDT            2.71            269         0      Not Applicable
  09/15/2026 11 AM PDT            2.73            273         +      Not Applicable
  09/15/2026 12 PM PDT            2.73            273         0      Not Applicable
  09/15/2026 01 PM PDT            2.71            269         -      Not Applicable
  09/15/2026 02 PM PDT            2.74            276         +      Not Applicable
  09/15/2026 03 PM PDT            2.74            276         0      Not Applicable
  09/15/2026 04 PM PDT            2.71            269         -      Not Applicable
  09/15/2026 05 PM PDT            2.71            269         0      Not Applicable
  09/15/2026 06 PM PDT            2.71            269         0      Not Applicable
  09/15/2026 07 PM PDT            2.71            269         0      Not Applicable
  09/15/2026 08 PM PDT            2.71            269         0      Not Applicable
  09/15/2026 09 PM PDT            2.71            269         0      Not Applicable
  09/15/2026 10 PM PDT            2.71            269         0      Not Applicable
  09/15/2026 11 PM PDT            2.71            269         0      Not Applicable
  09/16/2026 12 AM PDT            2.71            269         0      Not Applicable
  09/16/2026 01 AM PDT            2.71            269         0      Not Applicable
  09/16/2026 02 AM PDT            2.71            269         0      Not Applicable
  09/16/2026 03 AM PDT            2.73            273         +      Not Applicable
  09/16/2026 04 AM PDT            2.71            269         -      Not Applicable
  09/16/2026 05 AM PDT            2.73            273         +      Not Applicable
  09/16/2026 06 AM PDT            2.73            273         0      Not Applicable
  09/16/2026 07 AM PDT            2.73            273         0      Not Applicable
  09/16/2026 08 AM PDT            2.71            269         -      Not Applicable
  09/16/2026 09 AM PDT            2.71            269         0      Not Applicable
  09/16/2026 10 AM PDT            2.73            273         +      Not Applicable
  09/16/2026 11 AM PDT            2.73            273         0      Not Applicable
  09/16/2026 12 PM PDT            2.73            273         0      Not Applicable
  09/16/2026 01 PM PDT            2.71            269         -      Not Applicable
  09/16/2026 02 PM PDT            2.73            273         +      Not Applicable
  09/16/2026 03 PM PDT            2.71            269         -      Not Applicable
  09/16/2026 04 PM PDT            2.71            269         0      Not Applicable
  09/16/2026 05 PM PDT            2.73            273         +      Not Applicable
  09/16/2026 06 PM PDT            2.70            267         -      Not Applicable
  09/16/2026 07 PM PDT            2.71            269         +      Not Applicable
  09/16/2026 08 PM PDT            2.71            269         0      Not Applicable
  09/16/2026 09 PM PDT            2.71            269         0      Not Applicable
  09/16/2026 10 PM PDT            2.71            269         0      Not Applicable
  09/16/2026 11 PM PDT            2.71            269         0      Not Applicable
  09/17/2026 12 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 01 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 02 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 03 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 04 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 05 AM PDT            2.74            276         +      Not Applicable
  09/17/2026 06 AM PDT            2.71            269         -      Not Applicable
  09/17/2026 07 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 08 AM PDT            2.73            273         +      Not Applicable
  09/17/2026 09 AM PDT            2.74            276         +      Not Applicable
  09/17/2026 10 AM PDT            2.71            269         -      Not Applicable
  09/17/2026 11 AM PDT            2.71            269         0      Not Applicable
  09/17/2026 12 PM PDT            2.71            269         0      Not Applicable
  09/17/2026 01 PM PDT            2.73            273         +      Not Applicable
  09/17/2026 02 PM PDT            2.73            273         0      Not Applicable
  09/17/2026 03 PM PDT            2.73            273         0      Not Applicable
  09/17/2026 04 PM PDT            2.71            269         -      Not Applicable
  09/17/2026 05 PM PDT            2.71            269         0      Not Applicable
  09/17/2026 06 PM PDT            2.68            262         -      Not Applicable
  09/17/2026 07 PM PDT            2.65            256         -      Not Applicable
  09/17/2026 08 PM PDT            2.63            252         -      Not Applicable
  09/17/2026 09 PM PDT            2.61            248         -      Not Applicable
  09/17/2026 10 PM PDT            2.61            248         0      Not Applicable
  09/17/2026 11 PM PDT            2.60            245         -      Not Applicable
  09/18/2026 12 AM PDT            2.61            248         +      Not Applicable
  09/18/2026 01 AM PDT            2.62            250         +      Not Applicable
  09/18/2026 02 AM PDT            2.60            245         -      Not Applicable
  09/18/2026 03 AM PDT            2.60            245         0      Not Applicable
  09/18/2026 04 AM PDT            2.61            248         +      Not Applicable
  09/18/2026 05 AM PDT            2.61            248         0      Not Applicable
  09/18/2026 06 AM PDT            2.61            248         0      Not Applicable
  09/18/2026 07 AM PDT            2.62            250         +      Not Applicable
  09/18/2026 08 AM PDT            2.60            245         -      Not Applicable
  09/18/2026 09 AM PDT            2.60            245         0      Not Applicable
  09/18/2026 10 AM PDT            2.62            250         +      Not Applicable
  09/18/2026 11 AM PDT            2.61            248         -      Not Applicable
  09/18/2026 12 PM PDT            2.60            245         -      Not Applicable
  09/18/2026 01 PM PDT            2.60            245         0      Not Applicable
  09/18/2026 02 PM PDT            2.60            245         0      Not Applicable
  09/18/2026 03 PM PDT            2.60            245         0      Not Applicable
  09/18/2026 04 PM PDT            2.60            245         0      Not Applicable
  09/18/2026 05 PM PDT            2.59            243         -      Not Applicable
  09/18/2026 06 PM PDT            2.60            245         +      Not Applicable
  09/18/2026 07 PM PDT            2.57            239         -      Not Applicable
  09/18/2026 08 PM PDT            2.52            229         -      Not Applicable
  09/18/2026 09 PM PDT            2.50            225         -      Not Applicable
  09/18/2026 10 PM PDT            2.50            225         0      Not Applicable
  09/18/2026 11 PM PDT            2.49            223         -      Not Applicable
  09/19/2026 12 AM PDT            2.49            223         0      Not Applicable
  09/19/2026 01 AM PDT            2.48            220         -      Not Applicable
  09/19/2026 02 AM PDT            2.48            220         0      Not Applicable
  09/19/2026 03 AM PDT            2.49            223         +      Not Applicable
  09/19/2026 04 AM PDT            2.49            223         0      Not Applicable
  09/19/2026 05 AM PDT            2.49            223         0      Not Applicable
  09/19/2026 06 AM PDT            2.50            225         +      Not Applicable
  09/19/2026 07 AM PDT            2.49            223         -      Not Applicable
  09/19/2026 08 AM PDT            2.50            225         +      Not Applicable
  09/19/2026 09 AM PDT            2.49            223         -      Not Applicable
  09/19/2026 10 AM PDT            2.49            223         0      Not Applicable
  09/19/2026 11 AM PDT            2.49            223         0      Not Applicable
  09/19/2026 12 PM PDT            2.49            223         0      Not Applicable
  09/19/2026 01 PM PDT            2.49            223         0      Not Applicable
  09/19/2026 02 PM PDT            2.49            223         0      Not Applicable
  09/19/2026 03 PM PDT            2.49            223         0      Not Applicable
  09/19/2026 04 PM PDT            2.49            223         0      Not Applicable
  09/19/2026 05 PM PDT            2.48            220         -      Not Applicable
  09/19/2026 06 PM PDT            2.49            223         +      Not Applicable
  09/19/2026 07 PM PDT            2.48            220         -      Not Applicable
  09/19/2026 08 PM PDT            2.49            223         +      Not Applicable
  09/19/2026 09 PM PDT            2.49            223         0      Not Applicable
  09/19/2026 10 PM PDT            2.48            220         -      Not Applicable
  09/19/2026 11 PM PDT            2.49            223         +      Not Applicable
  09/20/2026 12 AM PDT            2.48            220         -      Not Applicable
  09/20/2026 01 AM PDT            2.49            223         +      Not Applicable
  09/20/2026 02 AM PDT            2.48            220         -      Not Applicable
  09/20/2026 03 AM PDT            2.50            225         +      Not Applicable
  09/20/2026 04 AM PDT            2.49            223         -      Not Applicable
  09/20/2026 05 AM PDT            2.49            223         0      Not Applicable
  09/20/2026 06 AM PDT            2.49            223         0      Not Applicable
  09/20/2026 07 AM PDT            2.49            223         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/20/2026 08 AM PDT            2.49            223                Not Applicable
  09/20/2026 09 AM PDT            2.49            223         0      Not Applicable
  09/20/2026 10 AM PDT            2.49            223         0      Not Applicable
  09/20/2026 11 AM PDT            2.49            223         0      Not Applicable
  09/20/2026 12 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 01 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 02 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 03 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 04 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 05 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 06 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 07 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 08 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 09 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 10 PM PDT            2.49            223         0      Not Applicable
  09/20/2026 11 PM PDT            2.49            223         0      Not Applicable
  09/21/2026 12 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 01 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 02 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 03 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 04 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 05 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 06 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 07 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 08 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 09 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 10 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 11 AM PDT            2.49            223         0      Not Applicable
  09/21/2026 12 PM PDT            2.49            223         0      Not Applicable
  09/21/2026 01 PM PDT            2.49            223         0      Not Applicable
  09/21/2026 02 PM PDT            2.49            223         0      Not Applicable
  09/21/2026 03 PM PDT            2.49            223         0      Not Applicable
  09/21/2026 04 PM PDT            2.49            223         0      Not Applicable
  09/21/2026 05 PM PDT            2.50            225         +      Not Applicable
  09/21/2026 06 PM PDT            2.50            225         0      Not Applicable
  09/21/2026 07 PM PDT            2.50            225         0      Not Applicable
  09/21/2026 08 PM PDT            2.50            225         0      Not Applicable
  09/21/2026 09 PM PDT            2.50            225         0      Not Applicable
  09/21/2026 10 PM PDT            2.49            223         -      Not Applicable
  09/21/2026 11 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 12 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 01 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 02 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 03 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 04 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 05 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 06 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 07 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 08 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 09 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 10 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 11 AM PDT            2.49            223         0      Not Applicable
  09/22/2026 12 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 01 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 02 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 03 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 04 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 05 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 06 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 07 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 08 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 09 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 10 PM PDT            2.49            223         0      Not Applicable
  09/22/2026 11 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 12 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 01 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 02 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 03 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 04 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 05 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 06 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 07 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 08 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 09 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 10 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 11 AM PDT            2.49            223         0      Not Applicable
  09/23/2026 12 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 01 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 02 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 03 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 04 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 05 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 06 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 07 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 08 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 09 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 10 PM PDT            2.49            223         0      Not Applicable
  09/23/2026 11 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 12 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 01 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 02 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 03 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 04 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 05 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 06 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 07 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 08 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 09 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 10 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 11 AM PDT            2.49            223         0      Not Applicable
  09/24/2026 12 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 01 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 02 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 03 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 04 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 05 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 06 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 07 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 08 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 09 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 10 PM PDT            2.49            223         0      Not Applicable
  09/24/2026 11 PM PDT            2.49            223         0      Not Applicable
  09/25/2026 12 AM PDT            2.49            223         0      Not Applicable
  09/25/2026 01 AM PDT            2.49            223         0      Not Applicable
  09/25/2026 02 AM PDT            2.49            223         0      Not Applicable
  09/25/2026 03 AM PDT            2.49            223         0      Not Applicable
  09/25/2026 04 AM PDT            2.49            223         0      Not Applicable
  09/25/2026 05 AM PDT            2.49            223         0      Not Applicable
#
# 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.