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

 | 

SAN JOAQUIN RIVER - PATTERSON (PATC1)
Latitude: 37.49º NLongitude: 121.08º WElevation: 97 Feet
Location: Stanislaus County in CaliforniaRiver Group: San Joaquin
Issuance Time: Jan 30 2023 at 1:28 PM PSTNext Issuance: Jan 31 2023 at 9:00 AM PST
Monitor Stage: 48.0 FeetFlood Stage: 54.7 FeetDanger Stage: 55.7 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Patterson (PATC1)
#
# File Generation Time:  01/30/2023 at 01:28 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/25/2023 at 01:00 PM PST
# Maximum Observed Stage:                       46.0 Feet
# Maximum Observed Flow:                        8836 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/30/2023 at 02:00 PM PST
# Maximum Forecast Stage:                       41.9 Feet
# Maximum Forecast Flow:                        4649 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/25/2023 01 PM PST            46.0           8836                        Normal
  01/25/2023 02 PM PST            46.0           8804         -              Normal
  01/25/2023 03 PM PST            46.0           8788         -              Normal
  01/25/2023 04 PM PST            46.0           8726         -              Normal
  01/25/2023 05 PM PST            45.9           8663         -              Normal
  01/25/2023 06 PM PST            45.9           8632         -              Normal
  01/25/2023 07 PM PST            45.9           8648         +              Normal
  01/25/2023 08 PM PST            45.9           8570         -              Normal
  01/25/2023 09 PM PST            45.9           8601         +              Normal
  01/25/2023 10 PM PST            45.8           8555         -              Normal
  01/25/2023 11 PM PST            45.8           8478         -              Normal
  01/26/2023 12 AM PST            45.8           8509         +              Normal
  01/26/2023 01 AM PST            45.8           8463         -              Normal
  01/26/2023 02 AM PST            45.8           8493         +              Normal
  01/26/2023 03 AM PST            45.7           8340         -              Normal
  01/26/2023 04 AM PST            45.7           8356         +              Normal
  01/26/2023 05 AM PST            45.6           8265         -              Normal
  01/26/2023 06 AM PST            45.7           8340         +              Normal
  01/26/2023 07 AM PST            45.6           8250         -              Normal
  01/26/2023 08 AM PST            45.6           8220         -              Normal
  01/26/2023 09 AM PST            45.5           8115         -              Normal
  01/26/2023 10 AM PST            45.6           8145         +              Normal
  01/26/2023 11 AM PST            45.6           8145         0              Normal
  01/26/2023 12 PM PST            45.6           8130         -              Normal
  01/26/2023 01 PM PST            45.5           7966         -              Normal
  01/26/2023 02 PM PST            45.5           8070         +              Normal
  01/26/2023 03 PM PST            45.5           8011         -              Normal
  01/26/2023 04 PM PST            45.4           7937         -              Normal
  01/26/2023 05 PM PST            45.4           7922         -              Normal
  01/26/2023 06 PM PST            45.4           7834         -              Normal
  01/26/2023 07 PM PST            45.4           7849         +              Normal
  01/26/2023 08 PM PST            45.4           7820         -              Normal
  01/26/2023 09 PM PST            45.3           7733         -              Normal
  01/26/2023 10 PM PST            45.3           7689         -              Normal
  01/26/2023 11 PM PST            45.2           7603         -              Normal
  01/27/2023 12 AM PST            45.2           7575         -              Normal
  01/27/2023 01 AM PST            45.2           7603         +              Normal
  01/27/2023 02 AM PST            45.2           7560         -              Normal
  01/27/2023 03 AM PST            45.1           7504         -              Normal
  01/27/2023 04 AM PST            45.1           7475         -              Normal
  01/27/2023 05 AM PST            45.1           7405         -              Normal
  01/27/2023 06 AM PST            45.1           7405         0              Normal
  01/27/2023 07 AM PST            45.0           7349         -              Normal
  01/27/2023 08 AM PST            45.0           7293         -              Normal
  01/27/2023 09 AM PST            45.0           7265         -              Normal
  01/27/2023 10 AM PST            44.9           7237         -              Normal
  01/27/2023 11 AM PST            44.9           7154         -              Normal
  01/27/2023 12 PM PST            44.8           7072         -              Normal
  01/27/2023 01 PM PST            44.8           7018         -              Normal
  01/27/2023 02 PM PST            44.8           7031         +              Normal
  01/27/2023 03 PM PST            44.7           6963         -              Normal
  01/27/2023 04 PM PST            44.7           6950         -              Normal
  01/27/2023 05 PM PST            44.6           6763         -              Normal
  01/27/2023 06 PM PST            44.6           6802         +              Normal
  01/27/2023 07 PM PST            44.6           6763         -              Normal
  01/27/2023 08 PM PST            44.5           6657         -              Normal
  01/27/2023 09 PM PST            44.5           6631         -              Normal
  01/27/2023 10 PM PST            44.5           6591         -              Normal
  01/27/2023 11 PM PST            44.4           6552         -              Normal
  01/28/2023 12 AM PST            44.4           6513         -              Normal
  01/28/2023 01 AM PST            44.4           6462         -              Normal
  01/28/2023 02 AM PST            44.3           6334         -              Normal
  01/28/2023 03 AM PST            44.3           6359         +              Normal
  01/28/2023 04 AM PST            44.2           6283         -              Normal
  01/28/2023 05 AM PST            44.2           6213         -              Normal
  01/28/2023 06 AM PST            44.2           6213         0              Normal
  01/28/2023 07 AM PST            44.1           6205         -              Normal
  01/28/2023 08 AM PST            44.1           6169         -              Normal
  01/28/2023 09 AM PST            44.1           6147         -              Normal
  01/28/2023 10 AM PST            44.0           6111         -              Normal
  01/28/2023 11 AM PST            44.0           6075         -              Normal
  01/28/2023 12 PM PST            44.0           6068         -              Normal
  01/28/2023 01 PM PST            43.9           6032         -              Normal
  01/28/2023 02 PM PST            43.8           5982         -              Normal
  01/28/2023 03 PM PST            43.8           5975         -              Normal
  01/28/2023 04 PM PST            43.7           5903         -              Normal
  01/28/2023 05 PM PST            43.7           5910         +              Normal
  01/28/2023 06 PM PST            43.7           5868         -              Normal
  01/28/2023 07 PM PST            43.6           5811         -              Normal
  01/28/2023 08 PM PST            43.6           5825         +              Normal
  01/28/2023 09 PM PST            43.6           5790         -              Normal
  01/28/2023 10 PM PST            43.5           5747         -              Normal
  01/28/2023 11 PM PST            43.5           5726         -              Normal
  01/29/2023 12 AM PST            43.5           5705         -              Normal
  01/29/2023 01 AM PST            43.4           5698         -              Normal
  01/29/2023 02 AM PST            43.4           5656         -              Normal
  01/29/2023 03 AM PST            43.3           5614         -              Normal
  01/29/2023 04 AM PST            43.3           5593         -              Normal
  01/29/2023 05 AM PST            43.2           5565         -              Normal
  01/29/2023 06 AM PST            43.2           5509         -              Normal
  01/29/2023 07 AM PST            43.1           5495         -              Normal
  01/29/2023 08 AM PST            43.0           5419         -              Normal
  01/29/2023 09 AM PST            43.0           5419         0              Normal
  01/29/2023 10 AM PST            43.0           5392         -              Normal
  01/29/2023 11 AM PST            43.0           5406         +              Normal
  01/29/2023 12 PM PST            43.0           5371         -              Normal
  01/29/2023 01 PM PST            42.9           5337         -              Normal
  01/29/2023 02 PM PST            42.9           5323         -              Normal
  01/29/2023 03 PM PST            42.8           5269         -              Normal
  01/29/2023 04 PM PST            42.8           5269         0              Normal
  01/29/2023 05 PM PST            42.7           5200         -              Normal
  01/29/2023 06 PM PST            42.7           5200         0              Normal
  01/29/2023 07 PM PST            42.6           5140         -              Normal
  01/29/2023 08 PM PST            42.7           5160         +              Normal
  01/29/2023 09 PM PST            42.5           5079         -              Normal
  01/29/2023 10 PM PST            42.6           5092         +              Normal
  01/29/2023 11 PM PST            42.5           5072         -              Normal
  01/30/2023 12 AM PST            42.5           5025         -              Normal
  01/30/2023 01 AM PST            42.4           4992         -              Normal
  01/30/2023 02 AM PST            42.4           4972         -              Normal
  01/30/2023 03 AM PST            42.3           4945         -              Normal
  01/30/2023 04 AM PST            42.3           4918         -              Normal
  01/30/2023 05 AM PST            42.2           4885         -              Normal
  01/30/2023 06 AM PST            42.2           4859         -              Normal
  01/30/2023 07 AM PST            42.2           4839         -              Normal
  01/30/2023 08 AM PST            42.1           4806         -              Normal
  01/30/2023 09 AM PST            42.1           4786         -              Normal
  01/30/2023 10 AM PST            42.0           4747         -              Normal
  01/30/2023 11 AM PST            42.0           4734         -              Normal
  01/30/2023 12 PM PST            42.0           4701         -              Normal
  01/30/2023 01 PM PST            41.9           4675         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/30/2023 02 PM PST            41.9           4649                        Normal
  01/30/2023 03 PM PST            41.9           4623         -              Normal
  01/30/2023 04 PM PST            41.8           4597         -              Normal
  01/30/2023 05 PM PST            41.8           4571         -              Normal
  01/30/2023 06 PM PST            41.7           4545         -              Normal
  01/30/2023 07 PM PST            41.7           4520         -              Normal
  01/30/2023 08 PM PST            41.6           4494         -              Normal
  01/30/2023 09 PM PST            41.6           4462         -              Normal
  01/30/2023 10 PM PST            41.6           4436         -              Normal
  01/30/2023 11 PM PST            41.5           4411         -              Normal
  01/31/2023 12 AM PST            41.5           4379         -              Normal
  01/31/2023 01 AM PST            41.4           4354         -              Normal
  01/31/2023 02 AM PST            41.4           4322         -              Normal
  01/31/2023 03 AM PST            41.3           4290         -              Normal
  01/31/2023 04 AM PST            41.3           4253         -              Normal
  01/31/2023 05 AM PST            41.2           4221         -              Normal
  01/31/2023 06 AM PST            41.2           4190         -              Normal
  01/31/2023 07 AM PST            41.1           4161         -              Normal
  01/31/2023 08 AM PST            41.1           4132         -              Normal
  01/31/2023 09 AM PST            41.0           4103         -              Normal
  01/31/2023 10 AM PST            41.0           4075         -              Normal
  01/31/2023 11 AM PST            40.9           4046         -              Normal
  01/31/2023 12 PM PST            40.9           4017         -              Normal
  01/31/2023 01 PM PST            40.8           3989         -              Normal
  01/31/2023 02 PM PST            40.8           3960         -              Normal
  01/31/2023 03 PM PST            40.7           3932         -              Normal
  01/31/2023 04 PM PST            40.7           3909         -              Normal
  01/31/2023 05 PM PST            40.6           3881         -              Normal
  01/31/2023 06 PM PST            40.6           3853         -              Normal
  01/31/2023 07 PM PST            40.5           3830         -              Normal
  01/31/2023 08 PM PST            40.5           3802         -              Normal
  01/31/2023 09 PM PST            40.4           3774         -              Normal
  01/31/2023 10 PM PST            40.4           3752         -              Normal
  01/31/2023 11 PM PST            40.4           3724         -              Normal
  02/01/2023 12 AM PST            40.3           3701         -              Normal
  02/01/2023 01 AM PST            40.3           3674         -              Normal
  02/01/2023 02 AM PST            40.2           3651         -              Normal
  02/01/2023 03 AM PST            40.2           3624         -              Normal
  02/01/2023 04 AM PST            40.1           3596         -              Normal
  02/01/2023 05 AM PST            40.1           3574         -              Normal
  02/01/2023 06 AM PST            40.0           3547         -              Normal
  02/01/2023 07 AM PST            40.0           3525         -              Normal
  02/01/2023 08 AM PST            40.0           3503         -              Normal
  02/01/2023 09 AM PST            39.9           3476         -              Normal
  02/01/2023 10 AM PST            39.9           3454         -              Normal
  02/01/2023 11 AM PST            39.8           3432         -              Normal
  02/01/2023 12 PM PST            39.8           3405         -              Normal
  02/01/2023 01 PM PST            39.7           3384         -              Normal
  02/01/2023 02 PM PST            39.7           3357         -              Normal
  02/01/2023 03 PM PST            39.6           3335         -              Normal
  02/01/2023 04 PM PST            39.6           3314         -              Normal
  02/01/2023 05 PM PST            39.5           3287         -              Normal
  02/01/2023 06 PM PST            39.5           3266         -              Normal
  02/01/2023 07 PM PST            39.5           3244         -              Normal
  02/01/2023 08 PM PST            39.4           3218         -              Normal
  02/01/2023 09 PM PST            39.4           3197         -              Normal
  02/01/2023 10 PM PST            39.3           3175         -              Normal
  02/01/2023 11 PM PST            39.3           3154         -              Normal
  02/02/2023 12 AM PST            39.2           3128         -              Normal
  02/02/2023 01 AM PST            39.2           3102         -              Normal
  02/02/2023 02 AM PST            39.2           3080         -              Normal
  02/02/2023 03 AM PST            39.1           3052         -              Normal
  02/02/2023 04 AM PST            39.1           3029         -              Normal
  02/02/2023 05 AM PST            39.0           3006         -              Normal
  02/02/2023 06 AM PST            39.0           2989         -              Normal
  02/02/2023 07 AM PST            39.0           2966         -              Normal
  02/02/2023 08 AM PST            38.9           2944         -              Normal
  02/02/2023 09 AM PST            38.9           2927         -              Normal
  02/02/2023 10 AM PST            38.9           2905         -              Normal
  02/02/2023 11 AM PST            38.8           2888         -              Normal
  02/02/2023 12 PM PST            38.8           2865         -              Normal
  02/02/2023 01 PM PST            38.8           2849         -              Normal
  02/02/2023 02 PM PST            38.7           2832         -              Normal
  02/02/2023 03 PM PST            38.7           2810         -              Normal
  02/02/2023 04 PM PST            38.6           2793         -              Normal
  02/02/2023 05 PM PST            38.6           2777         -              Normal
  02/02/2023 06 PM PST            38.6           2760         -              Normal
  02/02/2023 07 PM PST            38.6           2744         -              Normal
  02/02/2023 08 PM PST            38.5           2727         -              Normal
  02/02/2023 09 PM PST            38.5           2711         -              Normal
  02/02/2023 10 PM PST            38.5           2695         -              Normal
  02/02/2023 11 PM PST            38.4           2678         -              Normal
  02/03/2023 12 AM PST            38.4           2662         -              Normal
  02/03/2023 01 AM PST            38.4           2646         -              Normal
  02/03/2023 02 AM PST            38.4           2630         -              Normal
  02/03/2023 03 AM PST            38.3           2614         -              Normal
  02/03/2023 04 AM PST            38.3           2597         -              Normal
  02/03/2023 05 AM PST            38.3           2581         -              Normal
  02/03/2023 06 AM PST            38.2           2571         -              Normal
  02/03/2023 07 AM PST            38.2           2555         -              Normal
  02/03/2023 08 AM PST            38.2           2539         -              Normal
  02/03/2023 09 AM PST            38.2           2528         -              Normal
  02/03/2023 10 AM PST            38.1           2512         -              Normal
  02/03/2023 11 AM PST            38.1           2496         -              Normal
  02/03/2023 12 PM PST            38.1           2486         -              Normal
  02/03/2023 01 PM PST            38.0           2470         -              Normal
  02/03/2023 02 PM PST            38.0           2454         -              Normal
  02/03/2023 03 PM PST            38.0           2444         -              Normal
  02/03/2023 04 PM PST            38.0           2433         -              Normal
  02/03/2023 05 PM PST            38.0           2418         -              Normal
  02/03/2023 06 PM PST            37.9           2407         -              Normal
  02/03/2023 07 PM PST            37.9           2392         -              Normal
  02/03/2023 08 PM PST            37.9           2381         -              Normal
  02/03/2023 09 PM PST            37.9           2366         -              Normal
  02/03/2023 10 PM PST            37.8           2356         -              Normal
  02/03/2023 11 PM PST            37.8           2345         -              Normal
  02/04/2023 12 AM PST            37.8           2330         -              Normal
  02/04/2023 01 AM PST            37.8           2320         -              Normal
  02/04/2023 02 AM PST            37.7           2309         -              Normal
  02/04/2023 03 AM PST            37.7           2294         -              Normal
  02/04/2023 04 AM PST            37.7           2284         -              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.