LYTLE CREEK - COLTON (YTLC1)
Latitude: 34.08º NLongitude: 117.30º WElevation: 975 Feet
Location: San Bernardino County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Issuance Time: Dec 31 2025 at 1:38 PM PSTNext Issuance: Jan 01 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: Lytle Creek - Colton (YTLC1)
#
# File Generation Time:  12/31/2025 at 01:45 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/26/2025 at 07:00 PM PST
# Maximum Observed Stage:                       2.56 Feet
# Maximum Observed Flow:                        227 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/01/2026 at 11:00 AM PST
# Maximum Forecast Stage:                       3.00 Feet
# Maximum Forecast Flow:                        519 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/26/2025 01 PM PST            2.26             77                Not Applicable
  12/26/2025 02 PM PST            2.34            112         +      Not Applicable
  12/26/2025 03 PM PST            2.36            122         +      Not Applicable
  12/26/2025 04 PM PST            2.43            156         +      Not Applicable
  12/26/2025 05 PM PST            2.49            188         +      Not Applicable
  12/26/2025 06 PM PST            2.55            221         +      Not Applicable
  12/26/2025 07 PM PST            2.56            227         +      Not Applicable
  12/26/2025 08 PM PST            2.53            210         -      Not Applicable
  12/26/2025 09 PM PST            2.53            210         0      Not Applicable
  12/26/2025 10 PM PST            2.48            183         -      Not Applicable
  12/26/2025 11 PM PST            2.38            131         -      Not Applicable
  12/27/2025 12 AM PST            2.33            108         -      Not Applicable
  12/27/2025 01 AM PST            2.26             77         -      Not Applicable
  12/27/2025 02 AM PST            2.21             57         -      Not Applicable
  12/27/2025 03 AM PST            2.20             54         -      Not Applicable
  12/27/2025 04 AM PST            2.17             43         -      Not Applicable
  12/27/2025 05 AM PST            2.16             39         -      Not Applicable
  12/27/2025 06 AM PST            2.15             36         -      Not Applicable
  12/27/2025 07 AM PST            2.15             36         0      Not Applicable
  12/27/2025 08 AM PST            2.13             30         -      Not Applicable
  12/27/2025 09 AM PST            2.12             27         -      Not Applicable
  12/27/2025 10 AM PST            2.11             24         -      Not Applicable
  12/27/2025 11 AM PST            2.10             21         -      Not Applicable
  12/27/2025 12 PM PST            2.10             21         0      Not Applicable
  12/27/2025 01 PM PST            2.11             24         +      Not Applicable
  12/27/2025 02 PM PST            2.09             18         -      Not Applicable
  12/27/2025 03 PM PST            2.07             13         -      Not Applicable
  12/27/2025 04 PM PST            2.08             16         +      Not Applicable
  12/27/2025 05 PM PST            2.04              7         -      Not Applicable
  12/27/2025 06 PM PST            2.06             11         +      Not Applicable
  12/27/2025 07 PM PST            2.04              7         -      Not Applicable
  12/27/2025 08 PM PST            2.05              9         +      Not Applicable
  12/27/2025 09 PM PST            2.05              9         0      Not Applicable
  12/27/2025 10 PM PST            2.05              9         0      Not Applicable
  12/27/2025 11 PM PST            2.03              5         -      Not Applicable
  12/28/2025 12 AM PST            2.07             13         +      Not Applicable
  12/28/2025 01 AM PST            2.07             13         0      Not Applicable
  12/28/2025 02 AM PST            2.07             13         0      Not Applicable
  12/28/2025 03 AM PST            2.06             11         -      Not Applicable
  12/28/2025 04 AM PST            2.06             11         0      Not Applicable
  12/28/2025 05 AM PST            2.06             11         0      Not Applicable
  12/28/2025 06 AM PST            2.07             13         +      Not Applicable
  12/28/2025 07 AM PST            2.06             11         -      Not Applicable
  12/28/2025 08 AM PST            2.02              3         -      Not Applicable
  12/28/2025 09 AM PST            2.07             13         +      Not Applicable
  12/28/2025 10 AM PST            2.07             13         0      Not Applicable
  12/28/2025 11 AM PST            2.04              7         -      Not Applicable
  12/28/2025 12 PM PST            2.05              9         +      Not Applicable
  12/28/2025 01 PM PST            2.03              5         -      Not Applicable
  12/28/2025 02 PM PST            2.06             11         +      Not Applicable
  12/28/2025 03 PM PST            2.06             11         0      Not Applicable
  12/28/2025 04 PM PST            2.05              9         -      Not Applicable
  12/28/2025 05 PM PST            2.03              5         -      Not Applicable
  12/28/2025 06 PM PST            2.03              5         0      Not Applicable
  12/28/2025 07 PM PST            2.06             11         +      Not Applicable
  12/28/2025 08 PM PST            2.04              7         -      Not Applicable
  12/28/2025 09 PM PST            2.03              5         -      Not Applicable
  12/28/2025 10 PM PST            2.02              3         -      Not Applicable
  12/28/2025 11 PM PST            2.04              7         +      Not Applicable
  12/29/2025 12 AM PST            2.02              3         -      Not Applicable
  12/29/2025 01 AM PST            2.04              7         +      Not Applicable
  12/29/2025 02 AM PST            2.06             11         +      Not Applicable
  12/29/2025 03 AM PST            2.03              5         -      Not Applicable
  12/29/2025 04 AM PST            2.07             13         +      Not Applicable
  12/29/2025 05 AM PST            2.03              5         -      Not Applicable
  12/29/2025 06 AM PST            2.06             11         +      Not Applicable
  12/29/2025 07 AM PST            2.07             13         +      Not Applicable
  12/29/2025 08 AM PST            2.05              9         -      Not Applicable
  12/29/2025 09 AM PST            2.01              2         -      Not Applicable
  12/29/2025 10 AM PST            2.02              3         +      Not Applicable
  12/29/2025 11 AM PST            2.04              7         +      Not Applicable
  12/29/2025 12 PM PST            2.02              3         -      Not Applicable
  12/29/2025 01 PM PST            2.04              7         +      Not Applicable
  12/29/2025 02 PM PST            2.03              5         -      Not Applicable
  12/29/2025 03 PM PST            2.03              5         0      Not Applicable
  12/29/2025 04 PM PST            2.05              9         +      Not Applicable
  12/29/2025 05 PM PST            2.03              5         -      Not Applicable
  12/29/2025 06 PM PST            2.02              3         -      Not Applicable
  12/29/2025 07 PM PST            2.02              3         0      Not Applicable
  12/29/2025 08 PM PST            2.07             13         +      Not Applicable
  12/29/2025 09 PM PST            2.01              2         -      Not Applicable
  12/29/2025 10 PM PST            2.00              1         -      Not Applicable
  12/29/2025 11 PM PST            2.03              5         +      Not Applicable
  12/30/2025 12 AM PST            2.04              7         +      Not Applicable
  12/30/2025 01 AM PST            2.05              9         +      Not Applicable
  12/30/2025 02 AM PST            2.06             11         +      Not Applicable
  12/30/2025 03 AM PST            2.06             11         0      Not Applicable
  12/30/2025 04 AM PST            2.06             11         0      Not Applicable
  12/30/2025 05 AM PST            2.06             11         0      Not Applicable
  12/30/2025 06 AM PST            2.04              7         -      Not Applicable
  12/30/2025 07 AM PST            2.03              5         -      Not Applicable
  12/30/2025 08 AM PST            2.03              5         0      Not Applicable
  12/30/2025 09 AM PST            2.03              5         0      Not Applicable
  12/30/2025 10 AM PST            2.07             13         +      Not Applicable
  12/30/2025 11 AM PST            2.04              7         -      Not Applicable
  12/30/2025 12 PM PST            2.04              7         0      Not Applicable
  12/30/2025 01 PM PST            2.02              3         -      Not Applicable
  12/30/2025 02 PM PST            2.02              3         0      Not Applicable
  12/30/2025 03 PM PST            2.04              7         +      Not Applicable
  12/30/2025 04 PM PST            2.01              2         -      Not Applicable
  12/30/2025 05 PM PST            2.01              2         0      Not Applicable
  12/30/2025 06 PM PST            2.03              5         +      Not Applicable
  12/30/2025 07 PM PST            2.04              7         +      Not Applicable
  12/30/2025 08 PM PST            2.05              9         +      Not Applicable
  12/30/2025 09 PM PST            2.04              7         -      Not Applicable
  12/30/2025 10 PM PST            2.04              7         0      Not Applicable
  12/30/2025 11 PM PST            2.00              1         -      Not Applicable
  12/31/2025 12 AM PST            2.03              5         +      Not Applicable
  12/31/2025 01 AM PST            2.04              7         +      Not Applicable
  12/31/2025 02 AM PST            2.03              5         -      Not Applicable
  12/31/2025 03 AM PST            2.02              3         -      Not Applicable
  12/31/2025 04 AM PST            2.04              7         +      Not Applicable
  12/31/2025 05 AM PST            2.02              3         -      Not Applicable
  12/31/2025 06 AM PST            2.01              2         -      Not Applicable
  12/31/2025 07 AM PST            2.04              7         +      Not Applicable
  12/31/2025 08 AM PST            2.02              3         -      Not Applicable
  12/31/2025 09 AM PST            2.03              5         +      Not Applicable
  12/31/2025 10 AM PST            2.01              2         -      Not Applicable
  12/31/2025 11 AM PST            2.05              9         +      Not Applicable
  12/31/2025 12 PM PST            2.04              7         -      Not Applicable
  12/31/2025 01 PM PST            2.06             11         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/31/2025 02 PM PST            2.11             24                Not Applicable
  12/31/2025 03 PM PST            2.17             43         +      Not Applicable
  12/31/2025 04 PM PST            2.19             50         +      Not Applicable
  12/31/2025 05 PM PST            2.24             69         +      Not Applicable
  12/31/2025 06 PM PST            2.28             86         +      Not Applicable
  12/31/2025 07 PM PST            2.31             99         +      Not Applicable
  12/31/2025 08 PM PST            2.34            112         +      Not Applicable
  12/31/2025 09 PM PST            2.39            136         +      Not Applicable
  12/31/2025 10 PM PST            2.45            167         +      Not Applicable
  12/31/2025 11 PM PST            2.53            210         +      Not Applicable
  01/01/2026 12 AM PST            2.56            227         +      Not Applicable
  01/01/2026 01 AM PST            2.59            245         +      Not Applicable
  01/01/2026 02 AM PST            2.62            263         +      Not Applicable
  01/01/2026 03 AM PST            2.64            275         +      Not Applicable
  01/01/2026 04 AM PST            2.65            281         +      Not Applicable
  01/01/2026 05 AM PST            2.66            287         +      Not Applicable
  01/01/2026 06 AM PST            2.70            312         +      Not Applicable
  01/01/2026 07 AM PST            2.79            371         +      Not Applicable
  01/01/2026 08 AM PST            2.90            447         +      Not Applicable
  01/01/2026 09 AM PST            2.95            483         +      Not Applicable
  01/01/2026 10 AM PST            2.98            505         +      Not Applicable
  01/01/2026 11 AM PST            3.00            519         +      Not Applicable
  01/01/2026 12 PM PST            2.96            490         -      Not Applicable
  01/01/2026 01 PM PST            2.91            454         -      Not Applicable
  01/01/2026 02 PM PST            2.83            398         -      Not Applicable
  01/01/2026 03 PM PST            2.78            364         -      Not Applicable
  01/01/2026 04 PM PST            2.76            351         -      Not Applicable
  01/01/2026 05 PM PST            2.75            344         -      Not Applicable
  01/01/2026 06 PM PST            2.71            318         -      Not Applicable
  01/01/2026 07 PM PST            2.60            251         -      Not Applicable
  01/01/2026 08 PM PST            2.48            183         -      Not Applicable
  01/01/2026 09 PM PST            2.39            136         -      Not Applicable
  01/01/2026 10 PM PST            2.32            103         -      Not Applicable
  01/01/2026 11 PM PST            2.28             86         -      Not Applicable
  01/02/2026 12 AM PST            2.24             69         -      Not Applicable
  01/02/2026 01 AM PST            2.21             57         -      Not Applicable
  01/02/2026 02 AM PST            2.18             46         -      Not Applicable
  01/02/2026 03 AM PST            2.16             39         -      Not Applicable
  01/02/2026 04 AM PST            2.14             33         -      Not Applicable
  01/02/2026 05 AM PST            2.12             27         -      Not Applicable
  01/02/2026 06 AM PST            2.11             24         -      Not Applicable
  01/02/2026 07 AM PST            2.10             21         -      Not Applicable
  01/02/2026 08 AM PST            2.10             21         0      Not Applicable
  01/02/2026 09 AM PST            2.09             18         -      Not Applicable
  01/02/2026 10 AM PST            2.09             18         0      Not Applicable
  01/02/2026 11 AM PST            2.09             18         0      Not Applicable
  01/02/2026 12 PM PST            2.08             16         -      Not Applicable
  01/02/2026 01 PM PST            2.08             16         0      Not Applicable
  01/02/2026 02 PM PST            2.08             16         0      Not Applicable
  01/02/2026 03 PM PST            2.08             16         0      Not Applicable
  01/02/2026 04 PM PST            2.08             16         0      Not Applicable
  01/02/2026 05 PM PST            2.08             16         0      Not Applicable
  01/02/2026 06 PM PST            2.08             16         0      Not Applicable
  01/02/2026 07 PM PST            2.08             16         0      Not Applicable
  01/02/2026 08 PM PST            2.08             16         0      Not Applicable
  01/02/2026 09 PM PST            2.07             13         -      Not Applicable
  01/02/2026 10 PM PST            2.07             13         0      Not Applicable
  01/02/2026 11 PM PST            2.07             13         0      Not Applicable
  01/03/2026 12 AM PST            2.07             13         0      Not Applicable
  01/03/2026 01 AM PST            2.07             13         0      Not Applicable
  01/03/2026 02 AM PST            2.07             13         0      Not Applicable
  01/03/2026 03 AM PST            2.07             13         0      Not Applicable
  01/03/2026 04 AM PST            2.07             13         0      Not Applicable
  01/03/2026 05 AM PST            2.07             13         0      Not Applicable
  01/03/2026 06 AM PST            2.07             13         0      Not Applicable
  01/03/2026 07 AM PST            2.07             13         0      Not Applicable
  01/03/2026 08 AM PST            2.07             13         0      Not Applicable
  01/03/2026 09 AM PST            2.08             16         +      Not Applicable
  01/03/2026 10 AM PST            2.08             16         0      Not Applicable
  01/03/2026 11 AM PST            2.08             16         0      Not Applicable
  01/03/2026 12 PM PST            2.08             16         0      Not Applicable
  01/03/2026 01 PM PST            2.08             16         0      Not Applicable
  01/03/2026 02 PM PST            2.09             18         +      Not Applicable
  01/03/2026 03 PM PST            2.10             21         +      Not Applicable
  01/03/2026 04 PM PST            2.10             21         0      Not Applicable
  01/03/2026 05 PM PST            2.11             24         +      Not Applicable
  01/03/2026 06 PM PST            2.11             24         0      Not Applicable
  01/03/2026 07 PM PST            2.11             24         0      Not Applicable
  01/03/2026 08 PM PST            2.12             27         +      Not Applicable
  01/03/2026 09 PM PST            2.12             27         0      Not Applicable
  01/03/2026 10 PM PST            2.12             27         0      Not Applicable
  01/03/2026 11 PM PST            2.13             30         +      Not Applicable
  01/04/2026 12 AM PST            2.14             33         +      Not Applicable
  01/04/2026 01 AM PST            2.14             33         0      Not Applicable
  01/04/2026 02 AM PST            2.14             33         0      Not Applicable
  01/04/2026 03 AM PST            2.14             33         0      Not Applicable
  01/04/2026 04 AM PST            2.14             33         0      Not Applicable
  01/04/2026 05 AM PST            2.14             33         0      Not Applicable
  01/04/2026 06 AM PST            2.14             33         0      Not Applicable
  01/04/2026 07 AM PST            2.18             46         +      Not Applicable
  01/04/2026 08 AM PST            2.27             81         +      Not Applicable
  01/04/2026 09 AM PST            2.36            122         +      Not Applicable
  01/04/2026 10 AM PST            2.38            131         +      Not Applicable
  01/04/2026 11 AM PST            2.40            141         +      Not Applicable
  01/04/2026 12 PM PST            2.42            151         +      Not Applicable
  01/04/2026 01 PM PST            2.44            161         +      Not Applicable
  01/04/2026 02 PM PST            2.48            183         +      Not Applicable
  01/04/2026 03 PM PST            2.50            193         +      Not Applicable
  01/04/2026 04 PM PST            2.51            199         +      Not Applicable
  01/04/2026 05 PM PST            2.52            204         +      Not Applicable
  01/04/2026 06 PM PST            2.53            210         +      Not Applicable
  01/04/2026 07 PM PST            2.55            221         +      Not Applicable
  01/04/2026 08 PM PST            2.57            233         +      Not Applicable
  01/04/2026 09 PM PST            2.58            239         +      Not Applicable
  01/04/2026 10 PM PST            2.59            245         +      Not Applicable
  01/04/2026 11 PM PST            2.59            245         0      Not Applicable
  01/05/2026 12 AM PST            2.57            233         -      Not Applicable
  01/05/2026 01 AM PST            2.52            204         -      Not Applicable
  01/05/2026 02 AM PST            2.46            172         -      Not Applicable
  01/05/2026 03 AM PST            2.42            151         -      Not Applicable
  01/05/2026 04 AM PST            2.40            141         -      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.