ARROYO HONDO - SAN JOSE (AHOC1)
Latitude: 37.46º NLongitude: 121.77º WElevation: 784 Feet
Location: Santa Clara County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Jan 09 2026 at 1:15 PM PSTNext Issuance: Jan 10 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Arroyo Hondo - San Jose (AHOC1)
#
# File Generation Time:  01/09/2026 at 01:17 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/04/2026 at 06:00 PM PST
# Maximum Observed Stage:                       8.30 Feet
# Maximum Observed Flow:                        1243 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/09/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       4.07 Feet
# Maximum Forecast Flow:                        70 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/04/2026 01 PM PST            6.48            548                Not Applicable
  01/04/2026 02 PM PST            6.84            662         +      Not Applicable
  01/04/2026 03 PM PST            7.30            824         +      Not Applicable
  01/04/2026 04 PM PST            7.61            944         +      Not Applicable
  01/04/2026 05 PM PST            7.98           1099         +      Not Applicable
  01/04/2026 06 PM PST            8.30           1243         +      Not Applicable
  01/04/2026 07 PM PST            8.15           1175         -      Not Applicable
  01/04/2026 08 PM PST            7.99           1104         -      Not Applicable
  01/04/2026 09 PM PST            7.86           1048         -      Not Applicable
  01/04/2026 10 PM PST            7.75           1001         -      Not Applicable
  01/04/2026 11 PM PST            7.58            932         -      Not Applicable
  01/05/2026 12 AM PST            7.40            862         -      Not Applicable
  01/05/2026 01 AM PST            7.22            794         -      Not Applicable
  01/05/2026 02 AM PST            7.06            737         -      Not Applicable
  01/05/2026 03 AM PST            6.89            678         -      Not Applicable
  01/05/2026 04 AM PST            6.76            635         -      Not Applicable
  01/05/2026 05 AM PST            6.62            591         -      Not Applicable
  01/05/2026 06 AM PST            6.51            557         -      Not Applicable
  01/05/2026 07 AM PST            6.42            530         -      Not Applicable
  01/05/2026 08 AM PST            6.32            501         -      Not Applicable
  01/05/2026 09 AM PST            6.23            475         -      Not Applicable
  01/05/2026 10 AM PST            6.15            453         -      Not Applicable
  01/05/2026 11 AM PST            6.08            434         -      Not Applicable
  01/05/2026 12 PM PST            6.00            413         -      Not Applicable
  01/05/2026 01 PM PST            5.94            398         -      Not Applicable
  01/05/2026 02 PM PST            5.86            378         -      Not Applicable
  01/05/2026 03 PM PST            5.79            361         -      Not Applicable
  01/05/2026 04 PM PST            5.72            344         -      Not Applicable
  01/05/2026 05 PM PST            5.67            332         -      Not Applicable
  01/05/2026 06 PM PST            5.63            323         -      Not Applicable
  01/05/2026 07 PM PST            5.58            312         -      Not Applicable
  01/05/2026 08 PM PST            5.55            305         -      Not Applicable
  01/05/2026 09 PM PST            5.52            299         -      Not Applicable
  01/05/2026 10 PM PST            5.47            288         -      Not Applicable
  01/05/2026 11 PM PST            5.45            284         -      Not Applicable
  01/06/2026 12 AM PST            5.43            279         -      Not Applicable
  01/06/2026 01 AM PST            5.44            282         +      Not Applicable
  01/06/2026 02 AM PST            5.47            288         +      Not Applicable
  01/06/2026 03 AM PST            5.49            292         +      Not Applicable
  01/06/2026 04 AM PST            5.49            292         0      Not Applicable
  01/06/2026 05 AM PST            5.49            292         0      Not Applicable
  01/06/2026 06 AM PST            5.51            297         +      Not Applicable
  01/06/2026 07 AM PST            5.54            303         +      Not Applicable
  01/06/2026 08 AM PST            5.52            299         -      Not Applicable
  01/06/2026 09 AM PST            5.48            290         -      Not Applicable
  01/06/2026 10 AM PST            5.45            284         -      Not Applicable
  01/06/2026 11 AM PST            5.41            275         -      Not Applicable
  01/06/2026 12 PM PST            5.36            265         -      Not Applicable
  01/06/2026 01 PM PST            5.33            259         -      Not Applicable
  01/06/2026 02 PM PST            5.28            249         -      Not Applicable
  01/06/2026 03 PM PST            5.25            242         -      Not Applicable
  01/06/2026 04 PM PST            5.21            234         -      Not Applicable
  01/06/2026 05 PM PST            5.18            228         -      Not Applicable
  01/06/2026 06 PM PST            5.15            222         -      Not Applicable
  01/06/2026 07 PM PST            5.11            214         -      Not Applicable
  01/06/2026 08 PM PST            5.08            209         -      Not Applicable
  01/06/2026 09 PM PST            5.06            205         -      Not Applicable
  01/06/2026 10 PM PST            5.02            198         -      Not Applicable
  01/06/2026 11 PM PST            5.00            194         -      Not Applicable
  01/07/2026 12 AM PST            4.98            190         -      Not Applicable
  01/07/2026 01 AM PST            4.94            183         -      Not Applicable
  01/07/2026 02 AM PST            4.91            178         -      Not Applicable
  01/07/2026 03 AM PST            4.89            174         -      Not Applicable
  01/07/2026 04 AM PST            4.87            171         -      Not Applicable
  01/07/2026 05 AM PST            4.84            166         -      Not Applicable
  01/07/2026 06 AM PST            4.82            163         -      Not Applicable
  01/07/2026 07 AM PST            4.80            159         -      Not Applicable
  01/07/2026 08 AM PST            4.78            156         -      Not Applicable
  01/07/2026 09 AM PST            4.76            153         -      Not Applicable
  01/07/2026 10 AM PST            4.74            150         -      Not Applicable
  01/07/2026 11 AM PST            4.72            147         -      Not Applicable
  01/07/2026 12 PM PST            4.70            144         -      Not Applicable
  01/07/2026 01 PM PST            4.68            141         -      Not Applicable
  01/07/2026 02 PM PST            4.66            138         -      Not Applicable
  01/07/2026 03 PM PST            4.64            135         -      Not Applicable
  01/07/2026 04 PM PST            4.63            134         -      Not Applicable
  01/07/2026 05 PM PST            4.61            131         -      Not Applicable
  01/07/2026 06 PM PST            4.59            128         -      Not Applicable
  01/07/2026 07 PM PST            4.58            127         -      Not Applicable
  01/07/2026 08 PM PST            4.56            124         -      Not Applicable
  01/07/2026 09 PM PST            4.54            122         -      Not Applicable
  01/07/2026 10 PM PST            4.53            120         -      Not Applicable
  01/07/2026 11 PM PST            4.51            118         -      Not Applicable
  01/08/2026 12 AM PST            4.50            117         -      Not Applicable
  01/08/2026 01 AM PST            4.48            114         -      Not Applicable
  01/08/2026 02 AM PST            4.48            114         0      Not Applicable
  01/08/2026 03 AM PST            4.46            112         -      Not Applicable
  01/08/2026 04 AM PST            4.45            110         -      Not Applicable
  01/08/2026 05 AM PST            4.44            109         -      Not Applicable
  01/08/2026 06 AM PST            4.43            108         -      Not Applicable
  01/08/2026 07 AM PST            4.41            106         -      Not Applicable
  01/08/2026 08 AM PST            4.40            104         -      Not Applicable
  01/08/2026 09 AM PST            4.39            103         -      Not Applicable
  01/08/2026 10 AM PST            4.38            102         -      Not Applicable
  01/08/2026 11 AM PST            4.38            102         0      Not Applicable
  01/08/2026 12 PM PST            4.37            101         -      Not Applicable
  01/08/2026 01 PM PST            4.36            100         -      Not Applicable
  01/08/2026 02 PM PST            4.34             97         -      Not Applicable
  01/08/2026 03 PM PST            4.33             96         -      Not Applicable
  01/08/2026 04 PM PST            4.32             95         -      Not Applicable
  01/08/2026 05 PM PST            4.30             93         -      Not Applicable
  01/08/2026 06 PM PST            4.29             92         -      Not Applicable
  01/08/2026 07 PM PST            4.27             90         -      Not Applicable
  01/08/2026 08 PM PST            4.26             89         -      Not Applicable
  01/08/2026 09 PM PST            4.25             88         -      Not Applicable
  01/08/2026 10 PM PST            4.23             86         -      Not Applicable
  01/08/2026 11 PM PST            4.22             84         -      Not Applicable
  01/09/2026 12 AM PST            4.21             83         -      Not Applicable
  01/09/2026 01 AM PST            4.19             81         -      Not Applicable
  01/09/2026 02 AM PST            4.18             80         -      Not Applicable
  01/09/2026 03 AM PST            4.17             79         -      Not Applicable
  01/09/2026 04 AM PST            4.17             79         0      Not Applicable
  01/09/2026 05 AM PST            4.15             77         -      Not Applicable
  01/09/2026 06 AM PST            4.15             77         0      Not Applicable
  01/09/2026 07 AM PST            4.14             76         -      Not Applicable
  01/09/2026 08 AM PST            4.13             75         -      Not Applicable
  01/09/2026 09 AM PST            4.12             74         -      Not Applicable
  01/09/2026 10 AM PST            4.11             73         -      Not Applicable
  01/09/2026 11 AM PST            4.09             72         -      Not Applicable
  01/09/2026 12 PM PST            4.08             71         -      Not Applicable
  01/09/2026 01 PM PST            4.07             70         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/09/2026 02 PM PST            4.07             70                Not Applicable
  01/09/2026 03 PM PST            4.06             69         -      Not Applicable
  01/09/2026 04 PM PST            4.05             68         -      Not Applicable
  01/09/2026 05 PM PST            4.05             68         0      Not Applicable
  01/09/2026 06 PM PST            4.04             67         -      Not Applicable
  01/09/2026 07 PM PST            4.03             66         -      Not Applicable
  01/09/2026 08 PM PST            4.03             66         0      Not Applicable
  01/09/2026 09 PM PST            4.02             65         -      Not Applicable
  01/09/2026 10 PM PST            4.01             64         -      Not Applicable
  01/09/2026 11 PM PST            4.01             64         0      Not Applicable
  01/10/2026 12 AM PST            4.00             63         -      Not Applicable
  01/10/2026 01 AM PST            4.00             63         0      Not Applicable
  01/10/2026 02 AM PST            3.99             63         -      Not Applicable
  01/10/2026 03 AM PST            3.99             63         0      Not Applicable
  01/10/2026 04 AM PST            3.98             62         -      Not Applicable
  01/10/2026 05 AM PST            3.98             62         0      Not Applicable
  01/10/2026 06 AM PST            3.97             61         -      Not Applicable
  01/10/2026 07 AM PST            3.96             60         -      Not Applicable
  01/10/2026 08 AM PST            3.96             60         0      Not Applicable
  01/10/2026 09 AM PST            3.95             59         -      Not Applicable
  01/10/2026 10 AM PST            3.95             59         0      Not Applicable
  01/10/2026 11 AM PST            3.94             58         -      Not Applicable
  01/10/2026 12 PM PST            3.94             58         0      Not Applicable
  01/10/2026 01 PM PST            3.93             57         -      Not Applicable
  01/10/2026 02 PM PST            3.93             57         0      Not Applicable
  01/10/2026 03 PM PST            3.92             57         -      Not Applicable
  01/10/2026 04 PM PST            3.92             57         0      Not Applicable
  01/10/2026 05 PM PST            3.91             56         -      Not Applicable
  01/10/2026 06 PM PST            3.91             56         0      Not Applicable
  01/10/2026 07 PM PST            3.90             55         -      Not Applicable
  01/10/2026 08 PM PST            3.90             55         0      Not Applicable
  01/10/2026 09 PM PST            3.89             54         -      Not Applicable
  01/10/2026 10 PM PST            3.89             54         0      Not Applicable
  01/10/2026 11 PM PST            3.88             53         -      Not Applicable
  01/11/2026 12 AM PST            3.88             53         0      Not Applicable
  01/11/2026 01 AM PST            3.88             53         0      Not Applicable
  01/11/2026 02 AM PST            3.87             53         -      Not Applicable
  01/11/2026 03 AM PST            3.87             53         0      Not Applicable
  01/11/2026 04 AM PST            3.86             52         -      Not Applicable
  01/11/2026 05 AM PST            3.86             52         0      Not Applicable
  01/11/2026 06 AM PST            3.85             51         -      Not Applicable
  01/11/2026 07 AM PST            3.85             51         0      Not Applicable
  01/11/2026 08 AM PST            3.84             50         -      Not Applicable
  01/11/2026 09 AM PST            3.84             50         0      Not Applicable
  01/11/2026 10 AM PST            3.83             50         -      Not Applicable
  01/11/2026 11 AM PST            3.83             50         0      Not Applicable
  01/11/2026 12 PM PST            3.83             50         0      Not Applicable
  01/11/2026 01 PM PST            3.82             49         -      Not Applicable
  01/11/2026 02 PM PST            3.82             49         0      Not Applicable
  01/11/2026 03 PM PST            3.81             48         -      Not Applicable
  01/11/2026 04 PM PST            3.81             48         0      Not Applicable
  01/11/2026 05 PM PST            3.81             48         0      Not Applicable
  01/11/2026 06 PM PST            3.80             47         -      Not Applicable
  01/11/2026 07 PM PST            3.80             47         0      Not Applicable
  01/11/2026 08 PM PST            3.80             47         0      Not Applicable
  01/11/2026 09 PM PST            3.79             47         -      Not Applicable
  01/11/2026 10 PM PST            3.79             47         0      Not Applicable
  01/11/2026 11 PM PST            3.79             47         0      Not Applicable
  01/12/2026 12 AM PST            3.78             46         -      Not Applicable
  01/12/2026 01 AM PST            3.78             46         0      Not Applicable
  01/12/2026 02 AM PST            3.77             45         -      Not Applicable
  01/12/2026 03 AM PST            3.77             45         0      Not Applicable
  01/12/2026 04 AM PST            3.77             45         0      Not Applicable
  01/12/2026 05 AM PST            3.76             44         -      Not Applicable
  01/12/2026 06 AM PST            3.76             44         0      Not Applicable
  01/12/2026 07 AM PST            3.76             44         0      Not Applicable
  01/12/2026 08 AM PST            3.75             44         -      Not Applicable
  01/12/2026 09 AM PST            3.75             44         0      Not Applicable
  01/12/2026 10 AM PST            3.75             44         0      Not Applicable
  01/12/2026 11 AM PST            3.75             44         0      Not Applicable
  01/12/2026 12 PM PST            3.74             43         -      Not Applicable
  01/12/2026 01 PM PST            3.74             43         0      Not Applicable
  01/12/2026 02 PM PST            3.74             43         0      Not Applicable
  01/12/2026 03 PM PST            3.73             42         -      Not Applicable
  01/12/2026 04 PM PST            3.73             42         0      Not Applicable
  01/12/2026 05 PM PST            3.73             42         0      Not Applicable
  01/12/2026 06 PM PST            3.73             42         0      Not Applicable
  01/12/2026 07 PM PST            3.72             42         -      Not Applicable
  01/12/2026 08 PM PST            3.72             42         0      Not Applicable
  01/12/2026 09 PM PST            3.72             42         0      Not Applicable
  01/12/2026 10 PM PST            3.71             41         -      Not Applicable
  01/12/2026 11 PM PST            3.71             41         0      Not Applicable
  01/13/2026 12 AM PST            3.71             41         0      Not Applicable
  01/13/2026 01 AM PST            3.71             41         0      Not Applicable
  01/13/2026 02 AM PST            3.70             40         -      Not Applicable
  01/13/2026 03 AM PST            3.70             40         0      Not Applicable
  01/13/2026 04 AM PST            3.70             40         0      Not Applicable
  01/13/2026 05 AM PST            3.70             40         0      Not Applicable
  01/13/2026 06 AM PST            3.69             40         -      Not Applicable
  01/13/2026 07 AM PST            3.69             40         0      Not Applicable
  01/13/2026 08 AM PST            3.69             40         0      Not Applicable
  01/13/2026 09 AM PST            3.69             40         0      Not Applicable
  01/13/2026 10 AM PST            3.69             40         0      Not Applicable
  01/13/2026 11 AM PST            3.68             39         -      Not Applicable
  01/13/2026 12 PM PST            3.68             39         0      Not Applicable
  01/13/2026 01 PM PST            3.68             39         0      Not Applicable
  01/13/2026 02 PM PST            3.68             39         0      Not Applicable
  01/13/2026 03 PM PST            3.67             38         -      Not Applicable
  01/13/2026 04 PM PST            3.67             38         0      Not Applicable
  01/13/2026 05 PM PST            3.67             38         0      Not Applicable
  01/13/2026 06 PM PST            3.67             38         0      Not Applicable
  01/13/2026 07 PM PST            3.67             38         0      Not Applicable
  01/13/2026 08 PM PST            3.67             38         0      Not Applicable
  01/13/2026 09 PM PST            3.66             38         -      Not Applicable
  01/13/2026 10 PM PST            3.66             38         0      Not Applicable
  01/13/2026 11 PM PST            3.66             38         0      Not Applicable
  01/14/2026 12 AM PST            3.66             38         0      Not Applicable
  01/14/2026 01 AM PST            3.66             38         0      Not Applicable
  01/14/2026 02 AM PST            3.65             37         -      Not Applicable
  01/14/2026 03 AM PST            3.65             37         0      Not Applicable
  01/14/2026 04 AM PST            3.65             37         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.