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UPPER PENITENCIA CREEK - PIEDMOND ROAD (UPCC1)
| Latitude: 37.39º N | Longitude: 121.84º W | Elevation: 205 Feet | | | |
| Location: Santa Clara County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Dec 31 2025 at 1:36 PM PST | Next Issuance: | Jan 01 2026 at 9:00 AM PST
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| Action/Monitor: 6.5 Feet | Minor Flood: 8.0 Feet | Moderate Flood: 9.0 Feet | Major Flood: 10.5 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Upper Penitencia Creek - Piedmont Road (UPCC1)
#
# File Generation Time: 12/31/2025 at 01:41 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 12/26/2025 at 07:00 PM PST
# Maximum Observed Stage: 5.08 Feet
# Maximum Observed Flow: 5 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/04/2026 at 04:00 PM PST
# Maximum Forecast Stage: 5.88 Feet
# Maximum Forecast Flow: 137 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
12/26/2025 01 PM PST 5.07 5 Normal
12/26/2025 02 PM PST 5.07 5 0 Normal
12/26/2025 03 PM PST 5.07 5 0 Normal
12/26/2025 04 PM PST 5.07 5 0 Normal
12/26/2025 05 PM PST 5.07 5 0 Normal
12/26/2025 06 PM PST 5.08 5 + Normal
12/26/2025 07 PM PST 5.08 5 0 Normal
12/26/2025 08 PM PST 5.06 4 - Normal
12/26/2025 09 PM PST 5.04 4 - Normal
12/26/2025 10 PM PST 5.03 3 - Normal
12/26/2025 11 PM PST 5.02 3 - Normal
12/27/2025 12 AM PST 5.01 3 - Normal
12/27/2025 01 AM PST 5.00 3 - Normal
12/27/2025 02 AM PST 4.99 2 - Normal
12/27/2025 03 AM PST 4.98 2 - Normal
12/27/2025 04 AM PST 4.97 2 - Normal
12/27/2025 05 AM PST 4.97 2 0 Normal
12/27/2025 06 AM PST 4.97 2 0 Normal
12/27/2025 07 AM PST 4.97 2 0 Normal
12/27/2025 08 AM PST 4.96 2 - Normal
12/27/2025 09 AM PST 4.96 2 0 Normal
12/27/2025 10 AM PST 4.96 2 0 Normal
12/27/2025 11 AM PST 4.97 2 + Normal
12/27/2025 12 PM PST 4.94 1 - Normal
12/27/2025 01 PM PST 4.96 2 + Normal
12/27/2025 02 PM PST 4.96 2 0 Normal
12/27/2025 03 PM PST 4.95 2 - Normal
12/27/2025 04 PM PST 4.95 2 0 Normal
12/27/2025 05 PM PST 4.93 1 - Normal
12/27/2025 06 PM PST 4.96 2 + Normal
12/27/2025 07 PM PST 4.93 1 - Normal
12/27/2025 08 PM PST 4.92 1 - Normal
12/27/2025 09 PM PST 4.91 1 - Normal
12/27/2025 10 PM PST 4.91 1 0 Normal
12/27/2025 11 PM PST 4.90 1 - Normal
12/28/2025 12 AM PST 4.89 1 - Normal
12/28/2025 01 AM PST 4.89 1 0 Normal
12/28/2025 02 AM PST 4.88 1 - Normal
12/28/2025 03 AM PST 4.87 1 - Normal
12/28/2025 04 AM PST 4.86 0 - Normal
12/28/2025 05 AM PST 4.85 0 - Normal
12/28/2025 06 AM PST 4.84 0 - Normal
12/28/2025 07 AM PST 4.83 0 - Normal
12/28/2025 08 AM PST 4.82 0 - Normal
12/28/2025 09 AM PST 4.81 0 - Normal
12/28/2025 10 AM PST 4.79 0 - Normal
12/28/2025 11 AM PST 4.78 0 - Normal
12/28/2025 12 PM PST 4.76 0 - Normal
12/28/2025 01 PM PST 4.73 0 - Normal
12/28/2025 02 PM PST 4.72 0 - Normal
12/28/2025 03 PM PST 4.72 0 0 Normal
12/28/2025 04 PM PST 4.72 0 0 Normal
12/28/2025 05 PM PST 4.72 0 0 Normal
12/28/2025 06 PM PST 4.72 0 0 Normal
12/28/2025 07 PM PST 4.72 0 0 Normal
12/28/2025 08 PM PST 4.72 0 0 Normal
12/28/2025 09 PM PST 4.72 0 0 Normal
12/28/2025 10 PM PST 4.72 0 0 Normal
12/28/2025 11 PM PST 4.72 0 0 Normal
12/29/2025 12 AM PST 4.72 0 0 Normal
12/29/2025 01 AM PST 4.72 0 0 Normal
12/29/2025 02 AM PST 4.72 0 0 Normal
12/29/2025 03 AM PST 4.72 0 0 Normal
12/29/2025 04 AM PST 4.72 0 0 Normal
12/29/2025 05 AM PST 4.72 0 0 Normal
12/29/2025 06 AM PST 4.72 0 0 Normal
12/29/2025 07 AM PST 4.72 0 0 Normal
12/29/2025 08 AM PST 4.72 0 0 Normal
12/29/2025 09 AM PST 4.72 0 0 Normal
12/29/2025 10 AM PST 4.72 0 0 Normal
12/29/2025 11 AM PST 4.72 0 0 Normal
12/29/2025 12 PM PST 4.72 0 0 Normal
12/29/2025 01 PM PST 4.72 0 0 Normal
12/29/2025 02 PM PST 4.72 0 0 Normal
12/29/2025 03 PM PST 4.72 0 0 Normal
12/29/2025 04 PM PST 4.72 0 0 Normal
12/29/2025 05 PM PST 4.72 0 0 Normal
12/29/2025 06 PM PST 4.72 0 0 Normal
12/29/2025 07 PM PST 4.72 0 0 Normal
12/29/2025 08 PM PST 4.72 0 0 Normal
12/29/2025 09 PM PST 4.72 0 0 Normal
12/29/2025 10 PM PST 4.72 0 0 Normal
12/29/2025 11 PM PST 4.72 0 0 Normal
12/30/2025 12 AM PST 4.72 0 0 Normal
12/30/2025 01 AM PST 4.72 0 0 Normal
12/30/2025 02 AM PST 4.72 0 0 Normal
12/30/2025 03 AM PST 4.72 0 0 Normal
12/30/2025 04 AM PST 4.72 0 0 Normal
12/30/2025 05 AM PST 4.72 0 0 Normal
12/30/2025 06 AM PST 4.72 0 0 Normal
12/30/2025 07 AM PST 4.72 0 0 Normal
12/30/2025 08 AM PST 4.72 0 0 Normal
12/30/2025 09 AM PST 4.72 0 0 Normal
12/30/2025 10 AM PST 4.72 0 0 Normal
12/30/2025 11 AM PST 4.72 0 0 Normal
12/30/2025 12 PM PST 4.72 0 0 Normal
12/30/2025 01 PM PST 4.72 0 0 Normal
12/30/2025 02 PM PST 4.72 0 0 Normal
12/30/2025 03 PM PST 4.72 0 0 Normal
12/30/2025 04 PM PST 4.72 0 0 Normal
12/30/2025 05 PM PST 4.72 0 0 Normal
12/30/2025 06 PM PST 4.72 0 0 Normal
12/30/2025 07 PM PST 4.72 0 0 Normal
12/30/2025 08 PM PST 4.72 0 0 Normal
12/30/2025 09 PM PST 4.72 0 0 Normal
12/30/2025 10 PM PST 4.72 0 0 Normal
12/30/2025 11 PM PST 4.72 0 0 Normal
12/31/2025 12 AM PST 4.72 0 0 Normal
12/31/2025 01 AM PST 4.72 0 0 Normal
12/31/2025 02 AM PST 4.72 0 0 Normal
12/31/2025 03 AM PST 4.72 0 0 Normal
12/31/2025 04 AM PST 4.72 0 0 Normal
12/31/2025 05 AM PST 4.72 0 0 Normal
12/31/2025 06 AM PST 4.72 0 0 Normal
12/31/2025 07 AM PST 4.72 0 0 Normal
12/31/2025 08 AM PST 4.72 0 0 Normal
12/31/2025 09 AM PST 4.72 0 0 Normal
12/31/2025 10 AM PST 4.72 0 0 Normal
12/31/2025 11 AM PST 4.72 0 0 Normal
12/31/2025 12 PM PST 4.72 0 0 Normal
12/31/2025 01 PM PST 4.72 0 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
12/31/2025 02 PM PST 4.72 0 Normal
12/31/2025 03 PM PST 4.72 0 0 Normal
12/31/2025 04 PM PST 4.73 0 + Normal
12/31/2025 05 PM PST 4.74 0 + Normal
12/31/2025 06 PM PST 4.76 0 + Normal
12/31/2025 07 PM PST 4.76 0 0 Normal
12/31/2025 08 PM PST 4.76 0 0 Normal
12/31/2025 09 PM PST 4.78 0 + Normal
12/31/2025 10 PM PST 4.78 0 0 Normal
12/31/2025 11 PM PST 4.78 0 0 Normal
01/01/2026 12 AM PST 4.79 0 + Normal
01/01/2026 01 AM PST 4.79 0 0 Normal
01/01/2026 02 AM PST 4.79 0 0 Normal
01/01/2026 03 AM PST 4.80 0 + Normal
01/01/2026 04 AM PST 4.80 0 0 Normal
01/01/2026 05 AM PST 4.83 0 + Normal
01/01/2026 06 AM PST 4.85 0 + Normal
01/01/2026 07 AM PST 4.86 0 + Normal
01/01/2026 08 AM PST 4.87 1 + Normal
01/01/2026 09 AM PST 4.89 1 + Normal
01/01/2026 10 AM PST 4.89 1 0 Normal
01/01/2026 11 AM PST 5.04 4 + Normal
01/01/2026 12 PM PST 5.13 7 + Normal
01/01/2026 01 PM PST 5.20 10 + Normal
01/01/2026 02 PM PST 5.25 13 + Normal
01/01/2026 03 PM PST 5.30 16 + Normal
01/01/2026 04 PM PST 5.34 19 + Normal
01/01/2026 05 PM PST 5.34 19 0 Normal
01/01/2026 06 PM PST 5.34 19 0 Normal
01/01/2026 07 PM PST 5.34 19 0 Normal
01/01/2026 08 PM PST 5.34 19 0 Normal
01/01/2026 09 PM PST 5.34 19 0 Normal
01/01/2026 10 PM PST 5.34 19 0 Normal
01/01/2026 11 PM PST 5.33 18 - Normal
01/02/2026 12 AM PST 5.32 18 - Normal
01/02/2026 01 AM PST 5.32 18 0 Normal
01/02/2026 02 AM PST 5.31 17 - Normal
01/02/2026 03 AM PST 5.30 16 - Normal
01/02/2026 04 AM PST 5.29 15 - Normal
01/02/2026 05 AM PST 5.28 15 - Normal
01/02/2026 06 AM PST 5.27 14 - Normal
01/02/2026 07 AM PST 5.26 13 - Normal
01/02/2026 08 AM PST 5.24 12 - Normal
01/02/2026 09 AM PST 5.23 12 - Normal
01/02/2026 10 AM PST 5.21 11 - Normal
01/02/2026 11 AM PST 5.20 10 - Normal
01/02/2026 12 PM PST 5.19 10 - Normal
01/02/2026 01 PM PST 5.18 9 - Normal
01/02/2026 02 PM PST 5.17 9 - Normal
01/02/2026 03 PM PST 5.16 8 - Normal
01/02/2026 04 PM PST 5.14 7 - Normal
01/02/2026 05 PM PST 5.14 7 0 Normal
01/02/2026 06 PM PST 5.13 7 - Normal
01/02/2026 07 PM PST 5.12 7 - Normal
01/02/2026 08 PM PST 5.11 6 - Normal
01/02/2026 09 PM PST 5.10 6 - Normal
01/02/2026 10 PM PST 5.09 6 - Normal
01/02/2026 11 PM PST 5.20 10 + Normal
01/03/2026 12 AM PST 5.28 15 + Normal
01/03/2026 01 AM PST 5.34 19 + Normal
01/03/2026 02 AM PST 5.39 23 + Normal
01/03/2026 03 AM PST 5.44 28 + Normal
01/03/2026 04 AM PST 5.48 33 + Normal
01/03/2026 05 AM PST 5.53 39 + Normal
01/03/2026 06 AM PST 5.57 46 + Normal
01/03/2026 07 AM PST 5.60 54 + Normal
01/03/2026 08 AM PST 5.62 59 + Normal
01/03/2026 09 AM PST 5.65 67 + Normal
01/03/2026 10 AM PST 5.67 73 + Normal
01/03/2026 11 AM PST 5.68 76 + Normal
01/03/2026 12 PM PST 5.68 76 0 Normal
01/03/2026 01 PM PST 5.68 76 0 Normal
01/03/2026 02 PM PST 5.68 76 0 Normal
01/03/2026 03 PM PST 5.68 76 0 Normal
01/03/2026 04 PM PST 5.68 76 0 Normal
01/03/2026 05 PM PST 5.67 73 - Normal
01/03/2026 06 PM PST 5.67 73 0 Normal
01/03/2026 07 PM PST 5.66 70 - Normal
01/03/2026 08 PM PST 5.65 67 - Normal
01/03/2026 09 PM PST 5.64 65 - Normal
01/03/2026 10 PM PST 5.64 65 0 Normal
01/03/2026 11 PM PST 5.64 65 0 Normal
01/04/2026 12 AM PST 5.64 65 0 Normal
01/04/2026 01 AM PST 5.64 65 0 Normal
01/04/2026 02 AM PST 5.64 65 0 Normal
01/04/2026 03 AM PST 5.65 67 + Normal
01/04/2026 04 AM PST 5.65 67 0 Normal
01/04/2026 05 AM PST 5.67 73 + Normal
01/04/2026 06 AM PST 5.69 79 + Normal
01/04/2026 07 AM PST 5.71 84 + Normal
01/04/2026 08 AM PST 5.73 90 + Normal
01/04/2026 09 AM PST 5.75 96 + Normal
01/04/2026 10 AM PST 5.77 102 + Normal
01/04/2026 11 AM PST 5.79 109 + Normal
01/04/2026 12 PM PST 5.80 112 + Normal
01/04/2026 01 PM PST 5.82 118 + Normal
01/04/2026 02 PM PST 5.84 124 + Normal
01/04/2026 03 PM PST 5.86 131 + Normal
01/04/2026 04 PM PST 5.88 137 + Normal
01/04/2026 05 PM PST 5.87 134 - Normal
01/04/2026 06 PM PST 5.87 134 0 Normal
01/04/2026 07 PM PST 5.87 134 0 Normal
01/04/2026 08 PM PST 5.87 134 0 Normal
01/04/2026 09 PM PST 5.86 131 - Normal
01/04/2026 10 PM PST 5.86 131 0 Normal
01/04/2026 11 PM PST 5.85 128 - Normal
01/05/2026 12 AM PST 5.84 124 - Normal
01/05/2026 01 AM PST 5.83 121 - Normal
01/05/2026 02 AM PST 5.83 121 0 Normal
01/05/2026 03 AM PST 5.82 118 - Normal
01/05/2026 04 AM PST 5.81 115 - Normal
#
# 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.
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