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

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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: Dec 25 2025 at 2:02 PM PSTNext Issuance: Dec 26 2025 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:  12/25/2025 at 02:05 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/25/2025 at 01:00 PM PST
# Maximum Observed Stage:                       3.92 Feet
# Maximum Observed Flow:                        57 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 08:00 AM PST
# Maximum Forecast Stage:                       6.58 Feet
# Maximum Forecast Flow:                        578 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/20/2025 02 PM PST            2.82              4                Not Applicable
  12/20/2025 03 PM PST            2.82              4         0      Not Applicable
  12/20/2025 04 PM PST            2.82              4         0      Not Applicable
  12/20/2025 05 PM PST            2.82              4         0      Not Applicable
  12/20/2025 06 PM PST            2.82              4         0      Not Applicable
  12/20/2025 07 PM PST            2.82              4         0      Not Applicable
  12/20/2025 08 PM PST            2.82              4         0      Not Applicable
  12/20/2025 09 PM PST            2.82              4         0      Not Applicable
  12/20/2025 10 PM PST            2.82              4         0      Not Applicable
  12/20/2025 11 PM PST            2.82              4         0      Not Applicable
  12/21/2025 12 AM PST            2.82              4         0      Not Applicable
  12/21/2025 01 AM PST            2.82              4         0      Not Applicable
  12/21/2025 02 AM PST            2.82              4         0      Not Applicable
  12/21/2025 03 AM PST            2.81              4         -      Not Applicable
  12/21/2025 04 AM PST            2.82              4         +      Not Applicable
  12/21/2025 05 AM PST            2.82              4         0      Not Applicable
  12/21/2025 06 AM PST            2.82              4         0      Not Applicable
  12/21/2025 07 AM PST            2.82              4         0      Not Applicable
  12/21/2025 08 AM PST            2.82              4         0      Not Applicable
  12/21/2025 09 AM PST            2.82              4         0      Not Applicable
  12/21/2025 10 AM PST            2.82              4         0      Not Applicable
  12/21/2025 11 AM PST            2.82              4         0      Not Applicable
  12/21/2025 12 PM PST            2.82              4         0      Not Applicable
  12/21/2025 01 PM PST            2.82              4         0      Not Applicable
  12/21/2025 02 PM PST            2.82              4         0      Not Applicable
  12/21/2025 03 PM PST            2.82              4         0      Not Applicable
  12/21/2025 04 PM PST            2.82              4         0      Not Applicable
  12/21/2025 05 PM PST            2.82              4         0      Not Applicable
  12/21/2025 06 PM PST            2.82              4         0      Not Applicable
  12/21/2025 07 PM PST            2.82              4         0      Not Applicable
  12/21/2025 08 PM PST            2.82              4         0      Not Applicable
  12/21/2025 09 PM PST            2.82              4         0      Not Applicable
  12/21/2025 10 PM PST            2.82              4         0      Not Applicable
  12/21/2025 11 PM PST            2.82              4         0      Not Applicable
  12/22/2025 12 AM PST            2.82              4         0      Not Applicable
  12/22/2025 01 AM PST            2.82              4         0      Not Applicable
  12/22/2025 02 AM PST            2.82              4         0      Not Applicable
  12/22/2025 03 AM PST            2.82              4         0      Not Applicable
  12/22/2025 04 AM PST            2.82              4         0      Not Applicable
  12/22/2025 05 AM PST            2.82              4         0      Not Applicable
  12/22/2025 06 AM PST            2.82              4         0      Not Applicable
  12/22/2025 07 AM PST            2.82              4         0      Not Applicable
  12/22/2025 08 AM PST            2.82              4         0      Not Applicable
  12/22/2025 09 AM PST            2.82              4         0      Not Applicable
  12/22/2025 10 AM PST            2.82              4         0      Not Applicable
  12/22/2025 11 AM PST            2.82              4         0      Not Applicable
  12/22/2025 12 PM PST            2.82              4         0      Not Applicable
  12/22/2025 01 PM PST            2.82              4         0      Not Applicable
  12/22/2025 02 PM PST            2.82              4         0      Not Applicable
  12/22/2025 03 PM PST            2.82              4         0      Not Applicable
  12/22/2025 04 PM PST            2.82              4         0      Not Applicable
  12/22/2025 05 PM PST            2.82              4         0      Not Applicable
  12/22/2025 06 PM PST            2.82              4         0      Not Applicable
  12/22/2025 07 PM PST            2.82              4         0      Not Applicable
  12/22/2025 08 PM PST            2.82              4         0      Not Applicable
  12/22/2025 09 PM PST            2.83              4         +      Not Applicable
  12/22/2025 10 PM PST            2.83              4         0      Not Applicable
  12/22/2025 11 PM PST            2.83              4         0      Not Applicable
  12/23/2025 12 AM PST            2.83              4         0      Not Applicable
  12/23/2025 01 AM PST            2.83              4         0      Not Applicable
  12/23/2025 02 AM PST            2.83              4         0      Not Applicable
  12/23/2025 03 AM PST            2.83              4         0      Not Applicable
  12/23/2025 04 AM PST            2.83              4         0      Not Applicable
  12/23/2025 05 AM PST            2.83              4         0      Not Applicable
  12/23/2025 06 AM PST            2.83              4         0      Not Applicable
  12/23/2025 07 AM PST            2.83              4         0      Not Applicable
  12/23/2025 08 AM PST            2.83              4         0      Not Applicable
  12/23/2025 09 AM PST            2.83              4         0      Not Applicable
  12/23/2025 10 AM PST            2.83              4         0      Not Applicable
  12/23/2025 11 AM PST            2.83              4         0      Not Applicable
  12/23/2025 12 PM PST            2.83              4         0      Not Applicable
  12/23/2025 01 PM PST            2.83              4         0      Not Applicable
  12/23/2025 02 PM PST            2.83              4         0      Not Applicable
  12/23/2025 03 PM PST            2.83              4         0      Not Applicable
  12/23/2025 04 PM PST            2.83              4         0      Not Applicable
  12/23/2025 05 PM PST            2.83              4         0      Not Applicable
  12/23/2025 06 PM PST            2.83              4         0      Not Applicable
  12/23/2025 07 PM PST            2.84              4         +      Not Applicable
  12/23/2025 08 PM PST            2.84              4         0      Not Applicable
  12/23/2025 09 PM PST            2.83              4         -      Not Applicable
  12/23/2025 10 PM PST            2.83              4         0      Not Applicable
  12/23/2025 11 PM PST            2.83              4         0      Not Applicable
  12/24/2025 12 AM PST            2.83              4         0      Not Applicable
  12/24/2025 01 AM PST            2.83              4         0      Not Applicable
  12/24/2025 02 AM PST            2.83              4         0      Not Applicable
  12/24/2025 03 AM PST            2.83              4         0      Not Applicable
  12/24/2025 04 AM PST            2.85              5         +      Not Applicable
  12/24/2025 05 AM PST            2.87              5         +      Not Applicable
  12/24/2025 06 AM PST            2.88              5         +      Not Applicable
  12/24/2025 07 AM PST            2.88              5         0      Not Applicable
  12/24/2025 08 AM PST            2.87              5         -      Not Applicable
  12/24/2025 09 AM PST            2.86              5         -      Not Applicable
  12/24/2025 10 AM PST            2.85              5         -      Not Applicable
  12/24/2025 11 AM PST            2.85              5         0      Not Applicable
  12/24/2025 12 PM PST            2.85              5         0      Not Applicable
  12/24/2025 01 PM PST            2.86              5         +      Not Applicable
  12/24/2025 02 PM PST            2.87              5         +      Not Applicable
  12/24/2025 03 PM PST            2.88              5         +      Not Applicable
  12/24/2025 04 PM PST            2.90              6         +      Not Applicable
  12/24/2025 05 PM PST            2.91              6         +      Not Applicable
  12/24/2025 06 PM PST            2.92              6         +      Not Applicable
  12/24/2025 07 PM PST            2.93              6         +      Not Applicable
  12/24/2025 08 PM PST            2.94              7         +      Not Applicable
  12/24/2025 09 PM PST            2.95              7         +      Not Applicable
  12/24/2025 10 PM PST            2.95              7         0      Not Applicable
  12/24/2025 11 PM PST            2.95              7         0      Not Applicable
  12/25/2025 12 AM PST            2.96              7         +      Not Applicable
  12/25/2025 01 AM PST            3.13             12         +      Not Applicable
  12/25/2025 02 AM PST            3.28             18         +      Not Applicable
  12/25/2025 03 AM PST            3.33             20         +      Not Applicable
  12/25/2025 04 AM PST            3.38             22         +      Not Applicable
  12/25/2025 05 AM PST            3.42             24         +      Not Applicable
  12/25/2025 06 AM PST            3.53             30         +      Not Applicable
  12/25/2025 07 AM PST            3.56             32         +      Not Applicable
  12/25/2025 08 AM PST            3.62             35         +      Not Applicable
  12/25/2025 09 AM PST            3.74             43         +      Not Applicable
  12/25/2025 10 AM PST            3.79             47         +      Not Applicable
  12/25/2025 11 AM PST            3.85             51         +      Not Applicable
  12/25/2025 12 PM PST            3.90             55         +      Not Applicable
  12/25/2025 01 PM PST            3.92             57         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/25/2025 02 PM PST            3.96             60                Not Applicable
  12/25/2025 03 PM PST            4.05             68         +      Not Applicable
  12/25/2025 04 PM PST            4.25             88         +      Not Applicable
  12/25/2025 05 PM PST            4.60            130         +      Not Applicable
  12/25/2025 06 PM PST            4.95            185         +      Not Applicable
  12/25/2025 07 PM PST            5.21            234         +      Not Applicable
  12/25/2025 08 PM PST            5.43            279         +      Not Applicable
  12/25/2025 09 PM PST            5.57            310         +      Not Applicable
  12/25/2025 10 PM PST            5.63            323         +      Not Applicable
  12/25/2025 11 PM PST            5.65            328         +      Not Applicable
  12/26/2025 12 AM PST            5.66            330         +      Not Applicable
  12/26/2025 01 AM PST            5.68            335         +      Not Applicable
  12/26/2025 02 AM PST            5.79            361         +      Not Applicable
  12/26/2025 03 AM PST            5.99            411         +      Not Applicable
  12/26/2025 04 AM PST            6.19            464         +      Not Applicable
  12/26/2025 05 AM PST            6.36            512         +      Not Applicable
  12/26/2025 06 AM PST            6.48            548         +      Not Applicable
  12/26/2025 07 AM PST            6.56            572         +      Not Applicable
  12/26/2025 08 AM PST            6.58            578         +      Not Applicable
  12/26/2025 09 AM PST            6.55            569         -      Not Applicable
  12/26/2025 10 AM PST            6.50            554         -      Not Applicable
  12/26/2025 11 AM PST            6.46            542         -      Not Applicable
  12/26/2025 12 PM PST            6.42            530         -      Not Applicable
  12/26/2025 01 PM PST            6.35            509         -      Not Applicable
  12/26/2025 02 PM PST            6.28            489         -      Not Applicable
  12/26/2025 03 PM PST            6.18            461         -      Not Applicable
  12/26/2025 04 PM PST            6.08            434         -      Not Applicable
  12/26/2025 05 PM PST            5.99            411         -      Not Applicable
  12/26/2025 06 PM PST            5.89            385         -      Not Applicable
  12/26/2025 07 PM PST            5.82            368         -      Not Applicable
  12/26/2025 08 PM PST            5.78            358         -      Not Applicable
  12/26/2025 09 PM PST            5.77            356         -      Not Applicable
  12/26/2025 10 PM PST            5.79            361         +      Not Applicable
  12/26/2025 11 PM PST            5.83            370         +      Not Applicable
  12/27/2025 12 AM PST            5.86            378         +      Not Applicable
  12/27/2025 01 AM PST            5.89            385         +      Not Applicable
  12/27/2025 02 AM PST            5.89            385         0      Not Applicable
  12/27/2025 03 AM PST            5.89            385         0      Not Applicable
  12/27/2025 04 AM PST            5.87            380         -      Not Applicable
  12/27/2025 05 AM PST            5.85            375         -      Not Applicable
  12/27/2025 06 AM PST            5.82            368         -      Not Applicable
  12/27/2025 07 AM PST            5.79            361         -      Not Applicable
  12/27/2025 08 AM PST            5.75            351         -      Not Applicable
  12/27/2025 09 AM PST            5.69            337         -      Not Applicable
  12/27/2025 10 AM PST            5.62            321         -      Not Applicable
  12/27/2025 11 AM PST            5.55            305         -      Not Applicable
  12/27/2025 12 PM PST            5.47            288         -      Not Applicable
  12/27/2025 01 PM PST            5.40            273         -      Not Applicable
  12/27/2025 02 PM PST            5.34            261         -      Not Applicable
  12/27/2025 03 PM PST            5.28            249         -      Not Applicable
  12/27/2025 04 PM PST            5.23            238         -      Not Applicable
  12/27/2025 05 PM PST            5.17            226         -      Not Applicable
  12/27/2025 06 PM PST            5.12            216         -      Not Applicable
  12/27/2025 07 PM PST            5.06            205         -      Not Applicable
  12/27/2025 08 PM PST            5.01            196         -      Not Applicable
  12/27/2025 09 PM PST            4.96            187         -      Not Applicable
  12/27/2025 10 PM PST            4.92            180         -      Not Applicable
  12/27/2025 11 PM PST            4.87            171         -      Not Applicable
  12/28/2025 12 AM PST            4.83            164         -      Not Applicable
  12/28/2025 01 AM PST            4.80            159         -      Not Applicable
  12/28/2025 02 AM PST            4.76            153         -      Not Applicable
  12/28/2025 03 AM PST            4.73            148         -      Not Applicable
  12/28/2025 04 AM PST            4.71            145         -      Not Applicable
  12/28/2025 05 AM PST            4.68            141         -      Not Applicable
  12/28/2025 06 AM PST            4.66            138         -      Not Applicable
  12/28/2025 07 AM PST            4.64            135         -      Not Applicable
  12/28/2025 08 AM PST            4.62            132         -      Not Applicable
  12/28/2025 09 AM PST            4.60            130         -      Not Applicable
  12/28/2025 10 AM PST            4.58            127         -      Not Applicable
  12/28/2025 11 AM PST            4.57            126         -      Not Applicable
  12/28/2025 12 PM PST            4.55            123         -      Not Applicable
  12/28/2025 01 PM PST            4.54            122         -      Not Applicable
  12/28/2025 02 PM PST            4.52            119         -      Not Applicable
  12/28/2025 03 PM PST            4.51            118         -      Not Applicable
  12/28/2025 04 PM PST            4.50            117         -      Not Applicable
  12/28/2025 05 PM PST            4.49            115         -      Not Applicable
  12/28/2025 06 PM PST            4.48            114         -      Not Applicable
  12/28/2025 07 PM PST            4.47            113         -      Not Applicable
  12/28/2025 08 PM PST            4.46            112         -      Not Applicable
  12/28/2025 09 PM PST            4.45            110         -      Not Applicable
  12/28/2025 10 PM PST            4.44            109         -      Not Applicable
  12/28/2025 11 PM PST            4.44            109         0      Not Applicable
  12/29/2025 12 AM PST            4.43            108         -      Not Applicable
  12/29/2025 01 AM PST            4.42            107         -      Not Applicable
  12/29/2025 02 AM PST            4.42            107         0      Not Applicable
  12/29/2025 03 AM PST            4.41            106         -      Not Applicable
  12/29/2025 04 AM PST            4.41            106         0      Not Applicable
  12/29/2025 05 AM PST            4.40            104         -      Not Applicable
  12/29/2025 06 AM PST            4.39            103         -      Not Applicable
  12/29/2025 07 AM PST            4.39            103         0      Not Applicable
  12/29/2025 08 AM PST            4.38            102         -      Not Applicable
  12/29/2025 09 AM PST            4.38            102         0      Not Applicable
  12/29/2025 10 AM PST            4.38            102         0      Not Applicable
  12/29/2025 11 AM PST            4.37            101         -      Not Applicable
  12/29/2025 12 PM PST            4.37            101         0      Not Applicable
  12/29/2025 01 PM PST            4.36            100         -      Not Applicable
  12/29/2025 02 PM PST            4.36            100         0      Not Applicable
  12/29/2025 03 PM PST            4.36            100         0      Not Applicable
  12/29/2025 04 PM PST            4.35             99         -      Not Applicable
  12/29/2025 05 PM PST            4.35             99         0      Not Applicable
  12/29/2025 06 PM PST            4.34             97         -      Not Applicable
  12/29/2025 07 PM PST            4.34             97         0      Not Applicable
  12/29/2025 08 PM PST            4.34             97         0      Not Applicable
  12/29/2025 09 PM PST            4.33             96         -      Not Applicable
  12/29/2025 10 PM PST            4.33             96         0      Not Applicable
  12/29/2025 11 PM PST            4.33             96         0      Not Applicable
  12/30/2025 12 AM PST            4.32             95         -      Not Applicable
  12/30/2025 01 AM PST            4.32             95         0      Not Applicable
  12/30/2025 02 AM PST            4.32             95         0      Not Applicable
  12/30/2025 03 AM PST            4.31             94         -      Not Applicable
  12/30/2025 04 AM PST            4.31             94         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.