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CLEAR LAKE - LAKEPORT (CLKC1)
| Latitude: 39.04º N | Longitude: 122.91º W | Elevation: 1318 Feet | | Forecast Type: Official Location |
| Location: Lake County in California | Bulletin Group: Lower Sacramento | River Group: Cache Putah |
| Issuance Time: | Aug 11 2026 at 6:38 AM PDT | Next Issuance: | Aug 12 2026 at 9:00 AM PDT
| |
| Action/Monitor: 8.0 Feet | Minor Flood: 9.0 Feet | Moderate Flood: 11.9 Feet | Major Flood: 12.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Clear Lake - Lakeport (CLKC1)
#
# File Generation Time: 08/11/2026 at 06:38 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/06/2026 at 07:00 AM PDT
# Maximum Observed Stage: 4.13 Feet
# Maximum Observed Storage: 167952 AF
#
# Earliest Date & Time of Maximum Forecast: 08/11/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 3.96 Feet
# Maximum Forecast Storage: 160844 AF
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Storage (AF) Trend Observed Status
# ---------------------------------------------------------------------------------
08/06/2026 06 AM PDT 4.13 167952 Normal
08/06/2026 07 AM PDT 4.13 167952 0 Normal
08/06/2026 08 AM PDT 4.12 167533 - Normal
08/06/2026 09 AM PDT 4.12 167533 0 Normal
08/06/2026 10 AM PDT 4.12 167533 0 Normal
08/06/2026 11 AM PDT 4.12 167533 0 Normal
08/06/2026 12 PM PDT 4.12 167533 0 Normal
08/06/2026 01 PM PDT 4.12 167533 0 Normal
08/06/2026 02 PM PDT 4.12 167533 0 Normal
08/06/2026 03 PM PDT 4.11 167114 - Normal
08/06/2026 04 PM PDT 4.11 167114 0 Normal
08/06/2026 05 PM PDT 4.11 167114 0 Normal
08/06/2026 06 PM PDT 4.11 167114 0 Normal
08/06/2026 07 PM PDT 4.11 167114 0 Normal
08/06/2026 08 PM PDT 4.11 167114 0 Normal
08/06/2026 09 PM PDT 4.11 167114 0 Normal
08/06/2026 10 PM PDT 4.11 167114 0 Normal
08/06/2026 11 PM PDT 4.11 167114 0 Normal
08/07/2026 12 AM PDT 4.11 167114 0 Normal
08/07/2026 01 AM PDT 4.11 167114 0 Normal
08/07/2026 02 AM PDT 4.12 167533 + Normal
08/07/2026 03 AM PDT 4.12 167533 0 Normal
08/07/2026 04 AM PDT 4.12 167533 0 Normal
08/07/2026 05 AM PDT 4.12 167533 0 Normal
08/07/2026 06 AM PDT 4.12 167533 0 Normal
08/07/2026 07 AM PDT 4.12 167533 0 Normal
08/07/2026 08 AM PDT 4.12 167533 0 Normal
08/07/2026 09 AM PDT 4.11 167114 - Normal
08/07/2026 10 AM PDT 4.11 167114 0 Normal
08/07/2026 11 AM PDT 4.11 167114 0 Normal
08/07/2026 12 PM PDT 4.10 166695 - Normal
08/07/2026 01 PM PDT 4.10 166695 0 Normal
08/07/2026 02 PM PDT 4.09 166276 - Normal
08/07/2026 03 PM PDT 4.08 165857 - Normal
08/07/2026 04 PM PDT 4.08 165857 0 Normal
08/07/2026 05 PM PDT 4.07 165438 - Normal
08/07/2026 06 PM PDT 4.08 165857 + Normal
08/07/2026 07 PM PDT 4.08 165857 0 Normal
08/07/2026 08 PM PDT 4.08 165857 0 Normal
08/07/2026 09 PM PDT 4.09 166276 + Normal
08/07/2026 10 PM PDT 4.09 166276 0 Normal
08/07/2026 11 PM PDT 4.10 166695 + Normal
08/08/2026 12 AM PDT 4.09 166276 - Normal
08/08/2026 01 AM PDT 4.09 166276 0 Normal
08/08/2026 02 AM PDT 4.08 165857 - Normal
08/08/2026 03 AM PDT 4.08 165857 0 Normal
08/08/2026 04 AM PDT 4.08 165857 0 Normal
08/08/2026 05 AM PDT 4.07 165438 - Normal
08/08/2026 06 AM PDT 4.07 165438 0 Normal
08/08/2026 07 AM PDT 4.07 165438 0 Normal
08/08/2026 08 AM PDT 4.08 165857 + Normal
08/08/2026 09 AM PDT 4.08 165857 0 Normal
08/08/2026 10 AM PDT 4.08 165857 0 Normal
08/08/2026 11 AM PDT 4.08 165857 0 Normal
08/08/2026 12 PM PDT 4.07 165438 - Normal
08/08/2026 01 PM PDT 4.07 165438 0 Normal
08/08/2026 02 PM PDT 4.06 165019 - Normal
08/08/2026 03 PM PDT 4.05 164601 - Normal
08/08/2026 04 PM PDT 4.05 164601 0 Normal
08/08/2026 05 PM PDT 4.04 164182 - Normal
08/08/2026 06 PM PDT 4.04 164182 0 Normal
08/08/2026 07 PM PDT 4.04 164182 0 Normal
08/08/2026 08 PM PDT 4.04 164182 0 Normal
08/08/2026 09 PM PDT 4.05 164601 + Normal
08/08/2026 10 PM PDT 4.05 164601 0 Normal
08/08/2026 11 PM PDT 4.05 164601 0 Normal
08/09/2026 12 AM PDT 4.05 164601 0 Normal
08/09/2026 01 AM PDT 4.04 164182 - Normal
08/09/2026 02 AM PDT 4.04 164182 0 Normal
08/09/2026 03 AM PDT 4.04 164182 0 Normal
08/09/2026 04 AM PDT 4.03 163763 - Normal
08/09/2026 05 AM PDT 4.03 163763 0 Normal
08/09/2026 06 AM PDT 4.03 163763 0 Normal
08/09/2026 07 AM PDT 4.04 164182 + Normal
08/09/2026 08 AM PDT 4.04 164182 0 Normal
08/09/2026 09 AM PDT 4.04 164182 0 Normal
08/09/2026 10 AM PDT 4.05 164601 + Normal
08/09/2026 11 AM PDT 4.05 164601 0 Normal
08/09/2026 12 PM PDT 4.05 164601 0 Normal
08/09/2026 01 PM PDT 4.04 164182 - Normal
08/09/2026 02 PM PDT 4.04 164182 0 Normal
08/09/2026 03 PM PDT 4.04 164182 0 Normal
08/09/2026 04 PM PDT 4.03 163763 - Normal
08/09/2026 05 PM PDT 4.03 163763 0 Normal
08/09/2026 06 PM PDT 4.03 163763 0 Normal
08/09/2026 07 PM PDT 4.02 163344 - Normal
08/09/2026 08 PM PDT 4.02 163344 0 Normal
08/09/2026 09 PM PDT 4.02 163344 0 Normal
08/09/2026 10 PM PDT 4.01 162926 - Normal
08/09/2026 11 PM PDT 4.01 162926 0 Normal
08/10/2026 12 AM PDT 4.00 162507 - Normal
08/10/2026 01 AM PDT 4.00 162507 0 Normal
08/10/2026 02 AM PDT 4.00 162507 0 Normal
08/10/2026 03 AM PDT 3.99 162091 - Normal
08/10/2026 04 AM PDT 3.98 161675 - Normal
08/10/2026 05 AM PDT 3.98 161675 0 Normal
08/10/2026 06 AM PDT 3.98 161675 0 Normal
08/10/2026 07 AM PDT 3.99 162091 + Normal
08/10/2026 08 AM PDT 4.00 162507 + Normal
08/10/2026 09 AM PDT 4.00 162507 0 Normal
08/10/2026 10 AM PDT 4.00 162507 0 Normal
08/10/2026 11 AM PDT 4.01 162926 + Normal
08/10/2026 12 PM PDT 4.00 162507 - Normal
08/10/2026 01 PM PDT 4.00 162507 0 Normal
08/10/2026 02 PM PDT 4.00 162507 0 Normal
08/10/2026 03 PM PDT 3.99 162091 - Normal
08/10/2026 04 PM PDT 3.98 161675 - Normal
08/10/2026 05 PM PDT 3.98 161675 0 Normal
08/10/2026 06 PM PDT 3.98 161675 0 Normal
08/10/2026 07 PM PDT 3.98 161675 0 Normal
08/10/2026 08 PM PDT 3.98 161675 0 Normal
08/10/2026 09 PM PDT 3.99 162091 + Normal
08/10/2026 10 PM PDT 3.99 162091 0 Normal
08/10/2026 11 PM PDT 3.99 162091 0 Normal
08/11/2026 12 AM PDT 3.98 161675 - Normal
08/11/2026 01 AM PDT 3.98 161675 0 Normal
08/11/2026 02 AM PDT 3.98 161675 0 Normal
08/11/2026 03 AM PDT 3.97 161260 - Normal
08/11/2026 04 AM PDT 3.96 160844 - Normal
08/11/2026 05 AM PDT 3.96 160844 0 Normal
08/11/2026 06 AM PDT 3.96 160844 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Storage (AF) Trend Forecast Status
# ---------------------------------------------------------------------------------
08/11/2026 07 AM PDT 3.96 160844 Normal
08/11/2026 08 AM PDT 3.96 160844 0 Normal
08/11/2026 09 AM PDT 3.95 160428 - Normal
08/11/2026 10 AM PDT 3.95 160428 0 Normal
08/11/2026 11 AM PDT 3.95 160428 0 Normal
08/11/2026 12 PM PDT 3.95 160428 0 Normal
08/11/2026 01 PM PDT 3.95 160428 0 Normal
08/11/2026 02 PM PDT 3.95 160428 0 Normal
08/11/2026 03 PM PDT 3.94 160013 - Normal
08/11/2026 04 PM PDT 3.94 160013 0 Normal
08/11/2026 05 PM PDT 3.94 160013 0 Normal
08/11/2026 06 PM PDT 3.94 160013 0 Normal
08/11/2026 07 PM PDT 3.94 160013 0 Normal
08/11/2026 08 PM PDT 3.94 160013 0 Normal
08/11/2026 09 PM PDT 3.94 160013 0 Normal
08/11/2026 10 PM PDT 3.94 160013 0 Normal
08/11/2026 11 PM PDT 3.93 159597 - Normal
08/12/2026 12 AM PDT 3.93 159597 0 Normal
08/12/2026 01 AM PDT 3.93 159597 0 Normal
08/12/2026 02 AM PDT 3.93 159597 0 Normal
08/12/2026 03 AM PDT 3.93 159597 0 Normal
08/12/2026 04 AM PDT 3.93 159597 0 Normal
08/12/2026 05 AM PDT 3.92 159181 - Normal
08/12/2026 06 AM PDT 3.92 159181 0 Normal
08/12/2026 07 AM PDT 3.92 159181 0 Normal
08/12/2026 08 AM PDT 3.92 159181 0 Normal
08/12/2026 09 AM PDT 3.92 159181 0 Normal
08/12/2026 10 AM PDT 3.92 159181 0 Normal
08/12/2026 11 AM PDT 3.92 159181 0 Normal
08/12/2026 12 PM PDT 3.92 159181 0 Normal
08/12/2026 01 PM PDT 3.91 158766 - Normal
08/12/2026 02 PM PDT 3.91 158766 0 Normal
08/12/2026 03 PM PDT 3.91 158766 0 Normal
08/12/2026 04 PM PDT 3.91 158766 0 Normal
08/12/2026 05 PM PDT 3.91 158766 0 Normal
08/12/2026 06 PM PDT 3.91 158766 0 Normal
08/12/2026 07 PM PDT 3.90 158350 - Normal
08/12/2026 08 PM PDT 3.90 158350 0 Normal
08/12/2026 09 PM PDT 3.90 158350 0 Normal
08/12/2026 10 PM PDT 3.90 158350 0 Normal
08/12/2026 11 PM PDT 3.90 158350 0 Normal
08/13/2026 12 AM PDT 3.90 158350 0 Normal
08/13/2026 01 AM PDT 3.90 158350 0 Normal
08/13/2026 02 AM PDT 3.89 157935 - Normal
08/13/2026 03 AM PDT 3.89 157935 0 Normal
08/13/2026 04 AM PDT 3.89 157935 0 Normal
08/13/2026 05 AM PDT 3.89 157935 0 Normal
08/13/2026 06 AM PDT 3.89 157935 0 Normal
08/13/2026 07 AM PDT 3.89 157935 0 Normal
08/13/2026 08 AM PDT 3.88 157519 - Normal
08/13/2026 09 AM PDT 3.88 157519 0 Normal
08/13/2026 10 AM PDT 3.88 157519 0 Normal
08/13/2026 11 AM PDT 3.88 157519 0 Normal
08/13/2026 12 PM PDT 3.88 157519 0 Normal
08/13/2026 01 PM PDT 3.88 157519 0 Normal
08/13/2026 02 PM PDT 3.88 157519 0 Normal
08/13/2026 03 PM PDT 3.88 157519 0 Normal
08/13/2026 04 PM PDT 3.87 157104 - Normal
08/13/2026 05 PM PDT 3.87 157104 0 Normal
08/13/2026 06 PM PDT 3.87 157104 0 Normal
08/13/2026 07 PM PDT 3.87 157104 0 Normal
08/13/2026 08 PM PDT 3.87 157104 0 Normal
08/13/2026 09 PM PDT 3.87 157104 0 Normal
08/13/2026 10 PM PDT 3.87 157104 0 Normal
08/13/2026 11 PM PDT 3.86 156688 - Normal
08/14/2026 12 AM PDT 3.86 156688 0 Normal
08/14/2026 01 AM PDT 3.86 156688 0 Normal
08/14/2026 02 AM PDT 3.86 156688 0 Normal
08/14/2026 03 AM PDT 3.86 156688 0 Normal
08/14/2026 04 AM PDT 3.86 156688 0 Normal
08/14/2026 05 AM PDT 3.85 156273 - Normal
08/14/2026 06 AM PDT 3.85 156273 0 Normal
08/14/2026 07 AM PDT 3.85 156273 0 Normal
08/14/2026 08 AM PDT 3.85 156273 0 Normal
08/14/2026 09 AM PDT 3.85 156273 0 Normal
08/14/2026 10 AM PDT 3.85 156273 0 Normal
08/14/2026 11 AM PDT 3.85 156273 0 Normal
08/14/2026 12 PM PDT 3.85 156273 0 Normal
08/14/2026 01 PM PDT 3.84 155857 - Normal
08/14/2026 02 PM PDT 3.84 155857 0 Normal
08/14/2026 03 PM PDT 3.84 155857 0 Normal
08/14/2026 04 PM PDT 3.84 155857 0 Normal
08/14/2026 05 PM PDT 3.84 155857 0 Normal
08/14/2026 06 PM PDT 3.84 155857 0 Normal
08/14/2026 07 PM PDT 3.83 155442 - Normal
08/14/2026 08 PM PDT 3.83 155442 0 Normal
08/14/2026 09 PM PDT 3.83 155442 0 Normal
08/14/2026 10 PM PDT 3.83 155442 0 Normal
08/14/2026 11 PM PDT 3.83 155442 0 Normal
08/15/2026 12 AM PDT 3.83 155442 0 Normal
08/15/2026 01 AM PDT 3.83 155442 0 Normal
08/15/2026 02 AM PDT 3.82 155027 - Normal
08/15/2026 03 AM PDT 3.82 155027 0 Normal
08/15/2026 04 AM PDT 3.82 155027 0 Normal
08/15/2026 05 AM PDT 3.82 155027 0 Normal
08/15/2026 06 AM PDT 3.82 155027 0 Normal
08/15/2026 07 AM PDT 3.82 155027 0 Normal
08/15/2026 08 AM PDT 3.82 155027 0 Normal
08/15/2026 09 AM PDT 3.81 154611 - Normal
08/15/2026 10 AM PDT 3.81 154611 0 Normal
08/15/2026 11 AM PDT 3.81 154611 0 Normal
08/15/2026 12 PM PDT 3.81 154611 0 Normal
08/15/2026 01 PM PDT 3.81 154611 0 Normal
08/15/2026 02 PM PDT 3.81 154611 0 Normal
08/15/2026 03 PM PDT 3.81 154611 0 Normal
08/15/2026 04 PM PDT 3.80 154196 - Normal
08/15/2026 05 PM PDT 3.80 154196 0 Normal
08/15/2026 06 PM PDT 3.80 154196 0 Normal
08/15/2026 07 PM PDT 3.80 154196 0 Normal
08/15/2026 08 PM PDT 3.80 154196 0 Normal
08/15/2026 09 PM PDT 3.80 154196 0 Normal
08/15/2026 10 PM PDT 3.79 153781 - Normal
08/15/2026 11 PM PDT 3.79 153781 0 Normal
08/16/2026 12 AM PDT 3.79 153781 0 Normal
08/16/2026 01 AM PDT 3.79 153781 0 Normal
08/16/2026 02 AM PDT 3.79 153781 0 Normal
08/16/2026 03 AM PDT 3.79 153781 0 Normal
08/16/2026 04 AM PDT 3.79 153781 0 Normal
08/16/2026 05 AM PDT 3.79 153781 0 Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Storages are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and storage.
# NOTE 4: Maximum Values are determined using unrounded stage and storage.
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