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: May 15 2026 at 7:53 AM PDTNext Issuance: May 16 2026 at 9:00 AM PDT
Action/Monitor: 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:  05/15/2026 at 07:56 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/10/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       2.83 Feet
# Maximum Observed Flow:                        296 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/15/2026 at 08:00 PM PDT
# Maximum Forecast Stage:                       2.71 Feet
# Maximum Forecast Flow:                        269 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/10/2026 07 AM PDT            2.83            296                Not Applicable
  05/10/2026 08 AM PDT            2.81            292         -      Not Applicable
  05/10/2026 09 AM PDT            2.83            296         +      Not Applicable
  05/10/2026 10 AM PDT            2.81            292         -      Not Applicable
  05/10/2026 11 AM PDT            2.79            287         -      Not Applicable
  05/10/2026 12 PM PDT            2.81            292         +      Not Applicable
  05/10/2026 01 PM PDT            2.80            289         -      Not Applicable
  05/10/2026 02 PM PDT            2.80            289         0      Not Applicable
  05/10/2026 03 PM PDT            2.78            285         -      Not Applicable
  05/10/2026 04 PM PDT            2.78            285         0      Not Applicable
  05/10/2026 05 PM PDT            2.77            282         -      Not Applicable
  05/10/2026 06 PM PDT            2.77            282         0      Not Applicable
  05/10/2026 07 PM PDT            2.78            285         +      Not Applicable
  05/10/2026 08 PM PDT            2.77            282         -      Not Applicable
  05/10/2026 09 PM PDT            2.75            278         -      Not Applicable
  05/10/2026 10 PM PDT            2.74            276         -      Not Applicable
  05/10/2026 11 PM PDT            2.71            269         -      Not Applicable
  05/11/2026 12 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 01 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 02 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 03 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 04 AM PDT            2.69            265         -      Not Applicable
  05/11/2026 05 AM PDT            2.71            269         +      Not Applicable
  05/11/2026 06 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 07 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 08 AM PDT            2.72            271         +      Not Applicable
  05/11/2026 09 AM PDT            2.71            269         -      Not Applicable
  05/11/2026 10 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 11 AM PDT            2.71            269         0      Not Applicable
  05/11/2026 12 PM PDT            2.71            269         0      Not Applicable
  05/11/2026 01 PM PDT            2.70            267         -      Not Applicable
  05/11/2026 02 PM PDT            2.69            265         -      Not Applicable
  05/11/2026 03 PM PDT            2.69            265         0      Not Applicable
  05/11/2026 04 PM PDT            2.68            262         -      Not Applicable
  05/11/2026 05 PM PDT            2.65            256         -      Not Applicable
  05/11/2026 06 PM PDT            2.68            262         +      Not Applicable
  05/11/2026 07 PM PDT            2.66            258         -      Not Applicable
  05/11/2026 08 PM PDT            2.66            258         0      Not Applicable
  05/11/2026 09 PM PDT            2.66            258         0      Not Applicable
  05/11/2026 10 PM PDT            2.64            254         -      Not Applicable
  05/11/2026 11 PM PDT            2.63            252         -      Not Applicable
  05/12/2026 12 AM PDT            2.63            252         0      Not Applicable
  05/12/2026 01 AM PDT            2.62            250         -      Not Applicable
  05/12/2026 02 AM PDT            2.61            248         -      Not Applicable
  05/12/2026 03 AM PDT            2.62            250         +      Not Applicable
  05/12/2026 04 AM PDT            2.61            248         -      Not Applicable
  05/12/2026 05 AM PDT            2.62            250         +      Not Applicable
  05/12/2026 06 AM PDT            2.60            245         -      Not Applicable
  05/12/2026 07 AM PDT            2.60            245         0      Not Applicable
  05/12/2026 08 AM PDT            2.61            248         +      Not Applicable
  05/12/2026 09 AM PDT            2.61            248         0      Not Applicable
  05/12/2026 10 AM PDT            2.62            250         +      Not Applicable
  05/12/2026 11 AM PDT            2.62            250         0      Not Applicable
  05/12/2026 12 PM PDT            2.61            248         -      Not Applicable
  05/12/2026 01 PM PDT            2.62            250         +      Not Applicable
  05/12/2026 02 PM PDT            2.61            248         -      Not Applicable
  05/12/2026 03 PM PDT            2.61            248         0      Not Applicable
  05/12/2026 04 PM PDT            2.59            243         -      Not Applicable
  05/12/2026 05 PM PDT            2.60            245         +      Not Applicable
  05/12/2026 06 PM PDT            2.60            245         0      Not Applicable
  05/12/2026 07 PM PDT            2.58            241         -      Not Applicable
  05/12/2026 08 PM PDT            2.60            245         +      Not Applicable
  05/12/2026 09 PM PDT            2.56            237         -      Not Applicable
  05/12/2026 10 PM PDT            2.56            237         0      Not Applicable
  05/12/2026 11 PM PDT            2.55            235         -      Not Applicable
  05/13/2026 12 AM PDT            2.54            233         -      Not Applicable
  05/13/2026 01 AM PDT            2.54            233         0      Not Applicable
  05/13/2026 02 AM PDT            2.53            231         -      Not Applicable
  05/13/2026 03 AM PDT            2.53            231         0      Not Applicable
  05/13/2026 04 AM PDT            2.52            229         -      Not Applicable
  05/13/2026 05 AM PDT            2.52            229         0      Not Applicable
  05/13/2026 06 AM PDT            2.52            229         0      Not Applicable
  05/13/2026 07 AM PDT            2.54            233         +      Not Applicable
  05/13/2026 08 AM PDT            2.54            233         0      Not Applicable
  05/13/2026 09 AM PDT            2.54            233         0      Not Applicable
  05/13/2026 10 AM PDT            2.53            231         -      Not Applicable
  05/13/2026 11 AM PDT            2.53            231         0      Not Applicable
  05/13/2026 12 PM PDT            2.53            231         0      Not Applicable
  05/13/2026 01 PM PDT            2.54            233         +      Not Applicable
  05/13/2026 02 PM PDT            2.53            231         -      Not Applicable
  05/13/2026 03 PM PDT            2.53            231         0      Not Applicable
  05/13/2026 04 PM PDT            2.52            229         -      Not Applicable
  05/13/2026 05 PM PDT            2.51            227         -      Not Applicable
  05/13/2026 06 PM PDT            2.53            231         +      Not Applicable
  05/13/2026 07 PM PDT            2.51            227         -      Not Applicable
  05/13/2026 08 PM PDT            2.51            227         0      Not Applicable
  05/13/2026 09 PM PDT            2.50            225         -      Not Applicable
  05/13/2026 10 PM PDT            2.50            225         0      Not Applicable
  05/13/2026 11 PM PDT            2.49            223         -      Not Applicable
  05/14/2026 12 AM PDT            2.48            220         -      Not Applicable
  05/14/2026 01 AM PDT            2.48            220         0      Not Applicable
  05/14/2026 02 AM PDT            2.47            218         -      Not Applicable
  05/14/2026 03 AM PDT            2.47            218         0      Not Applicable
  05/14/2026 04 AM PDT            2.47            218         0      Not Applicable
  05/14/2026 05 AM PDT            2.45            213         -      Not Applicable
  05/14/2026 06 AM PDT            2.46            216         +      Not Applicable
  05/14/2026 07 AM PDT            2.46            216         0      Not Applicable
  05/14/2026 08 AM PDT            2.46            216         0      Not Applicable
  05/14/2026 09 AM PDT            2.46            216         0      Not Applicable
  05/14/2026 10 AM PDT            2.47            218         +      Not Applicable
  05/14/2026 11 AM PDT            2.46            216         -      Not Applicable
  05/14/2026 12 PM PDT            2.47            218         +      Not Applicable
  05/14/2026 01 PM PDT            2.46            216         -      Not Applicable
  05/14/2026 02 PM PDT            2.47            218         +      Not Applicable
  05/14/2026 03 PM PDT            2.45            213         -      Not Applicable
  05/14/2026 04 PM PDT            2.47            218         +      Not Applicable
  05/14/2026 05 PM PDT            2.44            211         -      Not Applicable
  05/14/2026 06 PM PDT            2.46            216         +      Not Applicable
  05/14/2026 07 PM PDT            2.44            211         -      Not Applicable
  05/14/2026 08 PM PDT            2.44            211         0      Not Applicable
  05/14/2026 09 PM PDT            2.45            213         +      Not Applicable
  05/14/2026 10 PM PDT            2.44            211         -      Not Applicable
  05/14/2026 11 PM PDT            2.44            211         0      Not Applicable
  05/15/2026 12 AM PDT            2.43            209         -      Not Applicable
  05/15/2026 01 AM PDT            2.41            204         -      Not Applicable
  05/15/2026 02 AM PDT            2.41            204         0      Not Applicable
  05/15/2026 03 AM PDT            2.40            202         -      Not Applicable
  05/15/2026 04 AM PDT            2.41            204         +      Not Applicable
  05/15/2026 05 AM PDT            2.40            202         -      Not Applicable
  05/15/2026 06 AM PDT            2.40            202         0      Not Applicable
  05/15/2026 07 AM PDT            2.41            204         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/15/2026 08 AM PDT            2.42            206                Not Applicable
  05/15/2026 09 AM PDT            2.43            209         +      Not Applicable
  05/15/2026 10 AM PDT            2.44            211         +      Not Applicable
  05/15/2026 11 AM PDT            2.47            218         +      Not Applicable
  05/15/2026 12 PM PDT            2.49            223         +      Not Applicable
  05/15/2026 01 PM PDT            2.53            231         +      Not Applicable
  05/15/2026 02 PM PDT            2.57            239         +      Not Applicable
  05/15/2026 03 PM PDT            2.61            248         +      Not Applicable
  05/15/2026 04 PM PDT            2.65            256         +      Not Applicable
  05/15/2026 05 PM PDT            2.67            260         +      Not Applicable
  05/15/2026 06 PM PDT            2.69            265         +      Not Applicable
  05/15/2026 07 PM PDT            2.70            267         +      Not Applicable
  05/15/2026 08 PM PDT            2.71            269         +      Not Applicable
  05/15/2026 09 PM PDT            2.71            269         0      Not Applicable
  05/15/2026 10 PM PDT            2.71            269         0      Not Applicable
  05/15/2026 11 PM PDT            2.71            269         0      Not Applicable
  05/16/2026 12 AM PDT            2.71            269         0      Not Applicable
  05/16/2026 01 AM PDT            2.71            269         0      Not Applicable
  05/16/2026 02 AM PDT            2.71            269         0      Not Applicable
  05/16/2026 03 AM PDT            2.70            267         -      Not Applicable
  05/16/2026 04 AM PDT            2.70            267         0      Not Applicable
  05/16/2026 05 AM PDT            2.70            267         0      Not Applicable
  05/16/2026 06 AM PDT            2.69            265         -      Not Applicable
  05/16/2026 07 AM PDT            2.69            265         0      Not Applicable
  05/16/2026 08 AM PDT            2.69            265         0      Not Applicable
  05/16/2026 09 AM PDT            2.69            265         0      Not Applicable
  05/16/2026 10 AM PDT            2.68            262         -      Not Applicable
  05/16/2026 11 AM PDT            2.68            262         0      Not Applicable
  05/16/2026 12 PM PDT            2.68            262         0      Not Applicable
  05/16/2026 01 PM PDT            2.67            260         -      Not Applicable
  05/16/2026 02 PM PDT            2.67            260         0      Not Applicable
  05/16/2026 03 PM PDT            2.67            260         0      Not Applicable
  05/16/2026 04 PM PDT            2.66            258         -      Not Applicable
  05/16/2026 05 PM PDT            2.66            258         0      Not Applicable
  05/16/2026 06 PM PDT            2.66            258         0      Not Applicable
  05/16/2026 07 PM PDT            2.65            256         -      Not Applicable
  05/16/2026 08 PM PDT            2.65            256         0      Not Applicable
  05/16/2026 09 PM PDT            2.65            256         0      Not Applicable
  05/16/2026 10 PM PDT            2.65            256         0      Not Applicable
  05/16/2026 11 PM PDT            2.64            254         -      Not Applicable
  05/17/2026 12 AM PDT            2.64            254         0      Not Applicable
  05/17/2026 01 AM PDT            2.64            254         0      Not Applicable
  05/17/2026 02 AM PDT            2.63            252         -      Not Applicable
  05/17/2026 03 AM PDT            2.63            252         0      Not Applicable
  05/17/2026 04 AM PDT            2.63            252         0      Not Applicable
  05/17/2026 05 AM PDT            2.62            250         -      Not Applicable
  05/17/2026 06 AM PDT            2.62            250         0      Not Applicable
  05/17/2026 07 AM PDT            2.62            250         0      Not Applicable
  05/17/2026 08 AM PDT            2.62            250         0      Not Applicable
  05/17/2026 09 AM PDT            2.61            248         -      Not Applicable
  05/17/2026 10 AM PDT            2.61            248         0      Not Applicable
  05/17/2026 11 AM PDT            2.61            248         0      Not Applicable
  05/17/2026 12 PM PDT            2.60            245         -      Not Applicable
  05/17/2026 01 PM PDT            2.60            245         0      Not Applicable
  05/17/2026 02 PM PDT            2.60            245         0      Not Applicable
  05/17/2026 03 PM PDT            2.60            245         0      Not Applicable
  05/17/2026 04 PM PDT            2.59            243         -      Not Applicable
  05/17/2026 05 PM PDT            2.59            243         0      Not Applicable
  05/17/2026 06 PM PDT            2.59            243         0      Not Applicable
  05/17/2026 07 PM PDT            2.58            241         -      Not Applicable
  05/17/2026 08 PM PDT            2.58            241         0      Not Applicable
  05/17/2026 09 PM PDT            2.58            241         0      Not Applicable
  05/17/2026 10 PM PDT            2.58            241         0      Not Applicable
  05/17/2026 11 PM PDT            2.57            239         -      Not Applicable
  05/18/2026 12 AM PDT            2.57            239         0      Not Applicable
  05/18/2026 01 AM PDT            2.57            239         0      Not Applicable
  05/18/2026 02 AM PDT            2.57            239         0      Not Applicable
  05/18/2026 03 AM PDT            2.56            237         -      Not Applicable
  05/18/2026 04 AM PDT            2.56            237         0      Not Applicable
  05/18/2026 05 AM PDT            2.56            237         0      Not Applicable
  05/18/2026 06 AM PDT            2.55            235         -      Not Applicable
  05/18/2026 07 AM PDT            2.55            235         0      Not Applicable
  05/18/2026 08 AM PDT            2.55            235         0      Not Applicable
  05/18/2026 09 AM PDT            2.55            235         0      Not Applicable
  05/18/2026 10 AM PDT            2.54            233         -      Not Applicable
  05/18/2026 11 AM PDT            2.54            233         0      Not Applicable
  05/18/2026 12 PM PDT            2.54            233         0      Not Applicable
  05/18/2026 01 PM PDT            2.54            233         0      Not Applicable
  05/18/2026 02 PM PDT            2.54            233         0      Not Applicable
  05/18/2026 03 PM PDT            2.53            231         -      Not Applicable
  05/18/2026 04 PM PDT            2.53            231         0      Not Applicable
  05/18/2026 05 PM PDT            2.53            231         0      Not Applicable
  05/18/2026 06 PM PDT            2.52            229         -      Not Applicable
  05/18/2026 07 PM PDT            2.52            229         0      Not Applicable
  05/18/2026 08 PM PDT            2.52            229         0      Not Applicable
  05/18/2026 09 PM PDT            2.52            229         0      Not Applicable
  05/18/2026 10 PM PDT            2.51            227         -      Not Applicable
  05/18/2026 11 PM PDT            2.51            227         0      Not Applicable
  05/19/2026 12 AM PDT            2.51            227         0      Not Applicable
  05/19/2026 01 AM PDT            2.51            227         0      Not Applicable
  05/19/2026 02 AM PDT            2.50            225         -      Not Applicable
  05/19/2026 03 AM PDT            2.50            225         0      Not Applicable
  05/19/2026 04 AM PDT            2.50            225         0      Not Applicable
  05/19/2026 05 AM PDT            2.50            225         0      Not Applicable
  05/19/2026 06 AM PDT            2.50            225         0      Not Applicable
  05/19/2026 07 AM PDT            2.49            223         -      Not Applicable
  05/19/2026 08 AM PDT            2.49            223         0      Not Applicable
  05/19/2026 09 AM PDT            2.49            223         0      Not Applicable
  05/19/2026 10 AM PDT            2.49            223         0      Not Applicable
  05/19/2026 11 AM PDT            2.48            220         -      Not Applicable
  05/19/2026 12 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 01 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 02 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 03 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 04 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 05 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 06 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 07 PM PDT            2.48            220         0      Not Applicable
  05/19/2026 08 PM PDT            2.47            218         -      Not Applicable
  05/19/2026 09 PM PDT            2.47            218         0      Not Applicable
  05/19/2026 10 PM PDT            2.47            218         0      Not Applicable
  05/19/2026 11 PM PDT            2.47            218         0      Not Applicable
  05/20/2026 12 AM PDT            2.47            218         0      Not Applicable
  05/20/2026 01 AM PDT            2.47            218         0      Not Applicable
  05/20/2026 02 AM PDT            2.47            218         0      Not Applicable
  05/20/2026 03 AM PDT            2.46            216         -      Not Applicable
  05/20/2026 04 AM PDT            2.46            216         0      Not Applicable
  05/20/2026 05 AM PDT            2.46            216         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.