ALAMO CANAL - PLEASANTON (ALQC1)
Latitude: 37.69º NLongitude: 121.92º WElevation: 330 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Apr 21 2026 at 7:21 AM PDTNext Issuance: Apr 22 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: Alamo Canal - Pleasanton (ALQC1)
#
# File Generation Time:  04/21/2026 at 07:23 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/21/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       4.51 Feet
# Maximum Observed Flow:                        209 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/21/2026 at 03:00 PM PDT
# Maximum Forecast Stage:                       4.83 Feet
# Maximum Forecast Flow:                        248 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/16/2026 07 AM PDT            1.94              7                Not Applicable
  04/16/2026 08 AM PDT            1.94              7         0      Not Applicable
  04/16/2026 09 AM PDT            1.95              8         +      Not Applicable
  04/16/2026 10 AM PDT            1.94              7         -      Not Applicable
  04/16/2026 11 AM PDT            1.94              7         0      Not Applicable
  04/16/2026 12 PM PDT            1.94              7         0      Not Applicable
  04/16/2026 01 PM PDT            1.93              7         -      Not Applicable
  04/16/2026 02 PM PDT            1.94              7         +      Not Applicable
  04/16/2026 03 PM PDT            1.93              7         -      Not Applicable
  04/16/2026 04 PM PDT            1.93              7         0      Not Applicable
  04/16/2026 05 PM PDT            1.92              7         -      Not Applicable
  04/16/2026 06 PM PDT            1.92              7         0      Not Applicable
  04/16/2026 07 PM PDT            1.92              7         0      Not Applicable
  04/16/2026 08 PM PDT            1.92              7         0      Not Applicable
  04/16/2026 09 PM PDT            1.91              7         -      Not Applicable
  04/16/2026 10 PM PDT            1.90              7         -      Not Applicable
  04/16/2026 11 PM PDT            1.90              7         0      Not Applicable
  04/17/2026 12 AM PDT            1.90              7         0      Not Applicable
  04/17/2026 01 AM PDT            1.90              7         0      Not Applicable
  04/17/2026 02 AM PDT            1.90              7         0      Not Applicable
  04/17/2026 03 AM PDT            1.90              7         0      Not Applicable
  04/17/2026 04 AM PDT            1.90              7         0      Not Applicable
  04/17/2026 05 AM PDT            1.90              7         0      Not Applicable
  04/17/2026 06 AM PDT            1.89              6         -      Not Applicable
  04/17/2026 07 AM PDT            1.89              6         0      Not Applicable
  04/17/2026 08 AM PDT            1.89              6         0      Not Applicable
  04/17/2026 09 AM PDT            1.89              6         0      Not Applicable
  04/17/2026 10 AM PDT            1.89              6         0      Not Applicable
  04/17/2026 11 AM PDT            1.88              6         -      Not Applicable
  04/17/2026 12 PM PDT            1.86              6         -      Not Applicable
  04/17/2026 01 PM PDT            1.86              6         0      Not Applicable
  04/17/2026 02 PM PDT            1.85              5         -      Not Applicable
  04/17/2026 03 PM PDT            1.85              5         0      Not Applicable
  04/17/2026 04 PM PDT            1.85              5         0      Not Applicable
  04/17/2026 05 PM PDT            1.84              5         -      Not Applicable
  04/17/2026 06 PM PDT            1.84              5         0      Not Applicable
  04/17/2026 07 PM PDT            1.84              5         0      Not Applicable
  04/17/2026 08 PM PDT            1.85              5         +      Not Applicable
  04/17/2026 09 PM PDT            1.86              6         +      Not Applicable
  04/17/2026 10 PM PDT            1.85              5         -      Not Applicable
  04/17/2026 11 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 12 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 01 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 02 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 03 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 04 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 05 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 06 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 07 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 08 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 09 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 10 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 11 AM PDT            1.85              5         0      Not Applicable
  04/18/2026 12 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 01 PM PDT            1.86              6         +      Not Applicable
  04/18/2026 02 PM PDT            1.85              5         -      Not Applicable
  04/18/2026 03 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 04 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 05 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 06 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 07 PM PDT            1.85              5         0      Not Applicable
  04/18/2026 08 PM PDT            1.84              5         -      Not Applicable
  04/18/2026 09 PM PDT            1.84              5         0      Not Applicable
  04/18/2026 10 PM PDT            1.83              5         -      Not Applicable
  04/18/2026 11 PM PDT            1.83              5         0      Not Applicable
  04/19/2026 12 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 01 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 02 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 03 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 04 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 05 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 06 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 07 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 08 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 09 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 10 AM PDT            1.83              5         0      Not Applicable
  04/19/2026 11 AM PDT            1.84              5         +      Not Applicable
  04/19/2026 12 PM PDT            1.84              5         0      Not Applicable
  04/19/2026 01 PM PDT            1.84              5         0      Not Applicable
  04/19/2026 02 PM PDT            1.83              5         -      Not Applicable
  04/19/2026 03 PM PDT            1.83              5         0      Not Applicable
  04/19/2026 04 PM PDT            1.83              5         0      Not Applicable
  04/19/2026 05 PM PDT            1.83              5         0      Not Applicable
  04/19/2026 06 PM PDT            1.83              5         0      Not Applicable
  04/19/2026 07 PM PDT            1.83              5         0      Not Applicable
  04/19/2026 08 PM PDT            1.82              5         -      Not Applicable
  04/19/2026 09 PM PDT            1.82              5         0      Not Applicable
  04/19/2026 10 PM PDT            1.83              5         +      Not Applicable
  04/19/2026 11 PM PDT            1.83              5         0      Not Applicable
  04/20/2026 12 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 01 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 02 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 03 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 04 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 05 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 06 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 07 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 08 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 09 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 10 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 11 AM PDT            1.83              5         0      Not Applicable
  04/20/2026 12 PM PDT            1.83              5         0      Not Applicable
  04/20/2026 01 PM PDT            1.83              5         0      Not Applicable
  04/20/2026 02 PM PDT            1.83              5         0      Not Applicable
  04/20/2026 03 PM PDT            1.83              5         0      Not Applicable
  04/20/2026 04 PM PDT            1.84              5         +      Not Applicable
  04/20/2026 05 PM PDT            1.84              5         0      Not Applicable
  04/20/2026 06 PM PDT            1.85              5         +      Not Applicable
  04/20/2026 07 PM PDT            1.89              6         +      Not Applicable
  04/20/2026 08 PM PDT            2.00              9         +      Not Applicable
  04/20/2026 09 PM PDT            2.04             10         +      Not Applicable
  04/20/2026 10 PM PDT            2.61             36         +      Not Applicable
  04/20/2026 11 PM PDT            2.77             49         +      Not Applicable
  04/21/2026 12 AM PDT            2.79             50         +      Not Applicable
  04/21/2026 01 AM PDT            3.14             80         +      Not Applicable
  04/21/2026 02 AM PDT            3.54            115         +      Not Applicable
  04/21/2026 03 AM PDT            3.82            141         +      Not Applicable
  04/21/2026 04 AM PDT            3.99            156         +      Not Applicable
  04/21/2026 05 AM PDT            4.43            200         +      Not Applicable
  04/21/2026 06 AM PDT            4.51            209         +      Not Applicable
  04/21/2026 07 AM PDT            4.11            168         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/21/2026 08 AM PDT            3.72            132                Not Applicable
  04/21/2026 09 AM PDT            3.30             94         -      Not Applicable
  04/21/2026 10 AM PDT            3.26             91         -      Not Applicable
  04/21/2026 11 AM PDT            2.77             49         -      Not Applicable
  04/21/2026 12 PM PDT            2.68             41         -      Not Applicable
  04/21/2026 01 PM PDT            2.58             35         -      Not Applicable
  04/21/2026 02 PM PDT            2.69             42         +      Not Applicable
  04/21/2026 03 PM PDT            4.83            248         +      Not Applicable
  04/21/2026 04 PM PDT            4.62            222         -      Not Applicable
  04/21/2026 05 PM PDT            4.13            169         -      Not Applicable
  04/21/2026 06 PM PDT            3.88            146         -      Not Applicable
  04/21/2026 07 PM PDT            3.73            133         -      Not Applicable
  04/21/2026 08 PM PDT            3.45            107         -      Not Applicable
  04/21/2026 09 PM PDT            3.13             79         -      Not Applicable
  04/21/2026 10 PM PDT            2.92             61         -      Not Applicable
  04/21/2026 11 PM PDT            2.86             56         -      Not Applicable
  04/22/2026 12 AM PDT            2.74             46         -      Not Applicable
  04/22/2026 01 AM PDT            2.63             37         -      Not Applicable
  04/22/2026 02 AM PDT            2.58             35         -      Not Applicable
  04/22/2026 03 AM PDT            2.58             35         0      Not Applicable
  04/22/2026 04 AM PDT            2.50             30         -      Not Applicable
  04/22/2026 05 AM PDT            2.35             22         -      Not Applicable
  04/22/2026 06 AM PDT            2.20             16         -      Not Applicable
  04/22/2026 07 AM PDT            2.04             10         -      Not Applicable
  04/22/2026 08 AM PDT            1.90              7         -      Not Applicable
  04/22/2026 09 AM PDT            2.39             24         +      Not Applicable
  04/22/2026 10 AM PDT            2.97             66         +      Not Applicable
  04/22/2026 11 AM PDT            3.17             83         +      Not Applicable
  04/22/2026 12 PM PDT            3.02             70         -      Not Applicable
  04/22/2026 01 PM PDT            2.84             55         -      Not Applicable
  04/22/2026 02 PM PDT            2.63             37         -      Not Applicable
  04/22/2026 03 PM PDT            2.40             25         -      Not Applicable
  04/22/2026 04 PM PDT            2.23             17         -      Not Applicable
  04/22/2026 05 PM PDT            2.08             11         -      Not Applicable
  04/22/2026 06 PM PDT            2.10             12         +      Not Applicable
  04/22/2026 07 PM PDT            2.24             17         +      Not Applicable
  04/22/2026 08 PM PDT            2.26             18         +      Not Applicable
  04/22/2026 09 PM PDT            2.16             14         -      Not Applicable
  04/22/2026 10 PM PDT            2.01              9         -      Not Applicable
  04/22/2026 11 PM PDT            1.85              5         -      Not Applicable
  04/23/2026 12 AM PDT            1.71              3         -      Not Applicable
  04/23/2026 01 AM PDT            1.59              1         -      Not Applicable
  04/23/2026 02 AM PDT            1.50              1         -      Not Applicable
  04/23/2026 03 AM PDT            1.48              1         -      Not Applicable
  04/23/2026 04 AM PDT            1.52              1         +      Not Applicable
  04/23/2026 05 AM PDT            1.58              1         +      Not Applicable
  04/23/2026 06 AM PDT            1.64              2         +      Not Applicable
  04/23/2026 07 AM PDT            1.70              3         +      Not Applicable
  04/23/2026 08 AM PDT            1.68              3         -      Not Applicable
  04/23/2026 09 AM PDT            1.66              2         -      Not Applicable
  04/23/2026 10 AM PDT            1.66              2         0      Not Applicable
  04/23/2026 11 AM PDT            1.65              2         -      Not Applicable
  04/23/2026 12 PM PDT            1.65              2         0      Not Applicable
  04/23/2026 01 PM PDT            1.65              2         0      Not Applicable
  04/23/2026 02 PM PDT            1.65              2         0      Not Applicable
  04/23/2026 03 PM PDT            1.64              2         -      Not Applicable
  04/23/2026 04 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 05 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 06 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 07 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 08 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 09 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 10 PM PDT            1.64              2         0      Not Applicable
  04/23/2026 11 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 12 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 01 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 02 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 03 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 04 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 05 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 06 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 07 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 08 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 09 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 10 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 11 AM PDT            1.64              2         0      Not Applicable
  04/24/2026 12 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 01 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 02 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 03 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 04 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 05 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 06 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 07 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 08 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 09 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 10 PM PDT            1.64              2         0      Not Applicable
  04/24/2026 11 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 12 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 01 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 02 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 03 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 04 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 05 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 06 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 07 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 08 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 09 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 10 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 11 AM PDT            1.64              2         0      Not Applicable
  04/25/2026 12 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 01 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 02 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 03 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 04 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 05 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 06 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 07 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 08 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 09 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 10 PM PDT            1.64              2         0      Not Applicable
  04/25/2026 11 PM PDT            1.64              2         0      Not Applicable
  04/26/2026 12 AM PDT            1.64              2         0      Not Applicable
  04/26/2026 01 AM PDT            1.64              2         0      Not Applicable
  04/26/2026 02 AM PDT            1.64              2         0      Not Applicable
  04/26/2026 03 AM PDT            1.64              2         0      Not Applicable
  04/26/2026 04 AM PDT            1.64              2         0      Not Applicable
  04/26/2026 05 AM PDT            1.64              2         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.