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LAGUNA DE SANTA ROSA - SEBASTOPOL (LSEC1)
| Latitude: 38.43º N | Longitude: 122.83º W | Elevation: 50 Feet | | | |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Jan 15 2026 at 1:14 PM PST | Next Issuance: | Jan 16 2026 at 9:00 AM PST
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| Action/Monitor: 67.0 Feet | Minor Flood: 69.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Laguna De Santa Rosa - Sebastopol (LSEC1)
#
# File Generation Time: 01/15/2026 at 01:16 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/10/2026 at 01:00 PM PST
# Maximum Observed Stage: 59.52 Feet
# Maximum Observed Flow: 229 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/15/2026 at 02:00 PM PST
# Maximum Forecast Stage: 57.97 Feet
# Maximum Forecast Flow: 63 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/10/2026 01 PM PST 59.52 229 Normal
01/10/2026 02 PM PST 59.50 226 - Normal
01/10/2026 03 PM PST 59.47 222 - Normal
01/10/2026 04 PM PST 59.45 219 - Normal
01/10/2026 05 PM PST 59.43 216 - Normal
01/10/2026 06 PM PST 59.41 213 - Normal
01/10/2026 07 PM PST 59.38 209 - Normal
01/10/2026 08 PM PST 59.36 206 - Normal
01/10/2026 09 PM PST 59.34 203 - Normal
01/10/2026 10 PM PST 59.32 201 - Normal
01/10/2026 11 PM PST 59.29 197 - Normal
01/11/2026 12 AM PST 59.27 194 - Normal
01/11/2026 01 AM PST 59.25 191 - Normal
01/11/2026 02 AM PST 59.23 189 - Normal
01/11/2026 03 AM PST 59.21 186 - Normal
01/11/2026 04 AM PST 59.19 183 - Normal
01/11/2026 05 AM PST 59.17 181 - Normal
01/11/2026 06 AM PST 59.15 178 - Normal
01/11/2026 07 AM PST 59.13 176 - Normal
01/11/2026 08 AM PST 59.12 174 - Normal
01/11/2026 09 AM PST 59.09 169 - Normal
01/11/2026 10 AM PST 59.08 167 - Normal
01/11/2026 11 AM PST 59.06 163 - Normal
01/11/2026 12 PM PST 59.04 160 - Normal
01/11/2026 01 PM PST 59.03 159 - Normal
01/11/2026 02 PM PST 59.01 156 - Normal
01/11/2026 03 PM PST 58.99 154 - Normal
01/11/2026 04 PM PST 58.98 152 - Normal
01/11/2026 05 PM PST 58.96 150 - Normal
01/11/2026 06 PM PST 58.94 147 - Normal
01/11/2026 07 PM PST 58.92 144 - Normal
01/11/2026 08 PM PST 58.91 142 - Normal
01/11/2026 09 PM PST 58.89 139 - Normal
01/11/2026 10 PM PST 58.87 136 - Normal
01/11/2026 11 PM PST 58.86 135 - Normal
01/12/2026 12 AM PST 58.84 131 - Normal
01/12/2026 01 AM PST 58.83 129 - Normal
01/12/2026 02 AM PST 58.81 126 - Normal
01/12/2026 03 AM PST 58.80 125 - Normal
01/12/2026 04 AM PST 58.78 122 - Normal
01/12/2026 05 AM PST 58.77 121 - Normal
01/12/2026 06 AM PST 58.75 118 - Normal
01/12/2026 07 AM PST 58.74 117 - Normal
01/12/2026 08 AM PST 58.72 115 - Normal
01/12/2026 09 AM PST 58.71 114 - Normal
01/12/2026 10 AM PST 58.70 112 - Normal
01/12/2026 11 AM PST 58.68 110 - Normal
01/12/2026 12 PM PST 58.67 109 - Normal
01/12/2026 01 PM PST 58.66 108 - Normal
01/12/2026 02 PM PST 58.65 106 - Normal
01/12/2026 03 PM PST 58.63 104 - Normal
01/12/2026 04 PM PST 58.62 103 - Normal
01/12/2026 05 PM PST 58.61 103 - Normal
01/12/2026 06 PM PST 58.59 101 - Normal
01/12/2026 07 PM PST 58.58 100 - Normal
01/12/2026 08 PM PST 58.57 100 - Normal
01/12/2026 09 PM PST 58.56 99 - Normal
01/12/2026 10 PM PST 58.54 97 - Normal
01/12/2026 11 PM PST 58.53 97 - Normal
01/13/2026 12 AM PST 58.52 96 - Normal
01/13/2026 01 AM PST 58.51 95 - Normal
01/13/2026 02 AM PST 58.50 94 - Normal
01/13/2026 03 AM PST 58.49 94 - Normal
01/13/2026 04 AM PST 58.47 92 - Normal
01/13/2026 05 AM PST 58.46 91 - Normal
01/13/2026 06 AM PST 58.45 91 - Normal
01/13/2026 07 AM PST 58.44 90 - Normal
01/13/2026 08 AM PST 58.43 89 - Normal
01/13/2026 09 AM PST 58.42 88 - Normal
01/13/2026 10 AM PST 58.41 88 - Normal
01/13/2026 11 AM PST 58.40 87 - Normal
01/13/2026 12 PM PST 58.39 86 - Normal
01/13/2026 01 PM PST 58.38 86 - Normal
01/13/2026 02 PM PST 58.37 85 - Normal
01/13/2026 03 PM PST 58.36 85 - Normal
01/13/2026 04 PM PST 58.35 84 - Normal
01/13/2026 05 PM PST 58.34 84 - Normal
01/13/2026 06 PM PST 58.33 83 - Normal
01/13/2026 07 PM PST 58.32 83 - Normal
01/13/2026 08 PM PST 58.31 82 - Normal
01/13/2026 09 PM PST 58.30 81 - Normal
01/13/2026 10 PM PST 58.29 81 - Normal
01/13/2026 11 PM PST 58.28 80 - Normal
01/14/2026 12 AM PST 58.27 80 - Normal
01/14/2026 01 AM PST 58.26 79 - Normal
01/14/2026 02 AM PST 58.25 78 - Normal
01/14/2026 03 AM PST 58.24 78 - Normal
01/14/2026 04 AM PST 58.24 78 0 Normal
01/14/2026 05 AM PST 58.23 77 - Normal
01/14/2026 06 AM PST 58.22 77 - Normal
01/14/2026 07 AM PST 58.21 76 - Normal
01/14/2026 08 AM PST 58.20 76 - Normal
01/14/2026 09 AM PST 58.19 75 - Normal
01/14/2026 10 AM PST 58.18 75 - Normal
01/14/2026 11 AM PST 58.18 75 0 Normal
01/14/2026 12 PM PST 58.17 74 - Normal
01/14/2026 01 PM PST 58.16 74 - Normal
01/14/2026 02 PM PST 58.15 73 - Normal
01/14/2026 03 PM PST 58.15 73 0 Normal
01/14/2026 04 PM PST 58.14 72 - Normal
01/14/2026 05 PM PST 58.13 72 - Normal
01/14/2026 06 PM PST 58.12 71 - Normal
01/14/2026 07 PM PST 58.12 71 0 Normal
01/14/2026 08 PM PST 58.11 71 - Normal
01/14/2026 09 PM PST 58.10 70 - Normal
01/14/2026 10 PM PST 58.09 70 - Normal
01/14/2026 11 PM PST 58.08 69 - Normal
01/15/2026 12 AM PST 58.08 69 0 Normal
01/15/2026 01 AM PST 58.07 69 - Normal
01/15/2026 02 AM PST 58.06 68 - Normal
01/15/2026 03 AM PST 58.05 68 - Normal
01/15/2026 04 AM PST 58.05 68 0 Normal
01/15/2026 05 AM PST 58.04 67 - Normal
01/15/2026 06 AM PST 58.03 67 - Normal
01/15/2026 07 AM PST 58.03 67 0 Normal
01/15/2026 08 AM PST 58.02 66 - Normal
01/15/2026 09 AM PST 58.01 65 - Normal
01/15/2026 10 AM PST 58.01 65 0 Normal
01/15/2026 11 AM PST 58.00 65 - Normal
01/15/2026 12 PM PST 57.99 64 - Normal
01/15/2026 01 PM PST 57.98 64 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/15/2026 02 PM PST 57.97 63 Normal
01/15/2026 03 PM PST 57.96 63 - Normal
01/15/2026 04 PM PST 57.95 62 - Normal
01/15/2026 05 PM PST 57.94 62 - Normal
01/15/2026 06 PM PST 57.93 61 - Normal
01/15/2026 07 PM PST 57.92 61 - Normal
01/15/2026 08 PM PST 57.91 60 - Normal
01/15/2026 09 PM PST 57.91 60 0 Normal
01/15/2026 10 PM PST 57.90 60 - Normal
01/15/2026 11 PM PST 57.89 59 - Normal
01/16/2026 12 AM PST 57.88 58 - Normal
01/16/2026 01 AM PST 57.87 58 - Normal
01/16/2026 02 AM PST 57.86 57 - Normal
01/16/2026 03 AM PST 57.85 57 - Normal
01/16/2026 04 AM PST 57.85 57 0 Normal
01/16/2026 05 AM PST 57.84 56 - Normal
01/16/2026 06 AM PST 57.83 56 - Normal
01/16/2026 07 AM PST 57.82 55 - Normal
01/16/2026 08 AM PST 57.81 55 - Normal
01/16/2026 09 AM PST 57.80 54 - Normal
01/16/2026 10 AM PST 57.80 54 0 Normal
01/16/2026 11 AM PST 57.79 54 - Normal
01/16/2026 12 PM PST 57.78 53 - Normal
01/16/2026 01 PM PST 57.77 53 - Normal
01/16/2026 02 PM PST 57.77 53 0 Normal
01/16/2026 03 PM PST 57.76 52 - Normal
01/16/2026 04 PM PST 57.75 52 - Normal
01/16/2026 05 PM PST 57.74 51 - Normal
01/16/2026 06 PM PST 57.73 51 - Normal
01/16/2026 07 PM PST 57.73 51 0 Normal
01/16/2026 08 PM PST 57.72 50 - Normal
01/16/2026 09 PM PST 57.71 50 - Normal
01/16/2026 10 PM PST 57.70 50 - Normal
01/16/2026 11 PM PST 57.70 50 0 Normal
01/17/2026 12 AM PST 57.69 49 - Normal
01/17/2026 01 AM PST 57.68 49 - Normal
01/17/2026 02 AM PST 57.67 48 - Normal
01/17/2026 03 AM PST 57.67 48 0 Normal
01/17/2026 04 AM PST 57.66 48 - Normal
01/17/2026 05 AM PST 57.65 47 - Normal
01/17/2026 06 AM PST 57.65 47 0 Normal
01/17/2026 07 AM PST 57.64 47 - Normal
01/17/2026 08 AM PST 57.63 46 - Normal
01/17/2026 09 AM PST 57.62 46 - Normal
01/17/2026 10 AM PST 57.62 46 0 Normal
01/17/2026 11 AM PST 57.61 45 - Normal
01/17/2026 12 PM PST 57.60 45 - Normal
01/17/2026 01 PM PST 57.60 45 0 Normal
01/17/2026 02 PM PST 57.59 44 - Normal
01/17/2026 03 PM PST 57.59 44 0 Normal
01/17/2026 04 PM PST 57.58 44 - Normal
01/17/2026 05 PM PST 57.57 44 - Normal
01/17/2026 06 PM PST 57.57 44 0 Normal
01/17/2026 07 PM PST 57.56 43 - Normal
01/17/2026 08 PM PST 57.56 43 0 Normal
01/17/2026 09 PM PST 57.55 43 - Normal
01/17/2026 10 PM PST 57.54 42 - Normal
01/17/2026 11 PM PST 57.54 42 0 Normal
01/18/2026 12 AM PST 57.53 42 - Normal
01/18/2026 01 AM PST 57.53 42 0 Normal
01/18/2026 02 AM PST 57.52 42 - Normal
01/18/2026 03 AM PST 57.52 42 0 Normal
01/18/2026 04 AM PST 57.51 41 - Normal
01/18/2026 05 AM PST 57.51 41 0 Normal
01/18/2026 06 AM PST 57.50 41 - Normal
01/18/2026 07 AM PST 57.49 40 - Normal
01/18/2026 08 AM PST 57.49 40 0 Normal
01/18/2026 09 AM PST 57.48 40 - Normal
01/18/2026 10 AM PST 57.48 40 0 Normal
01/18/2026 11 AM PST 57.47 40 - Normal
01/18/2026 12 PM PST 57.47 40 0 Normal
01/18/2026 01 PM PST 57.46 39 - Normal
01/18/2026 02 PM PST 57.46 39 0 Normal
01/18/2026 03 PM PST 57.45 39 - Normal
01/18/2026 04 PM PST 57.45 39 0 Normal
01/18/2026 05 PM PST 57.44 38 - Normal
01/18/2026 06 PM PST 57.44 38 0 Normal
01/18/2026 07 PM PST 57.43 38 - Normal
01/18/2026 08 PM PST 57.43 38 0 Normal
01/18/2026 09 PM PST 57.42 38 - Normal
01/18/2026 10 PM PST 57.42 38 0 Normal
01/18/2026 11 PM PST 57.42 38 0 Normal
01/19/2026 12 AM PST 57.41 37 - Normal
01/19/2026 01 AM PST 57.41 37 0 Normal
01/19/2026 02 AM PST 57.40 37 - Normal
01/19/2026 03 AM PST 57.40 37 0 Normal
01/19/2026 04 AM PST 57.39 36 - Normal
01/19/2026 05 AM PST 57.39 36 0 Normal
01/19/2026 06 AM PST 57.39 36 0 Normal
01/19/2026 07 AM PST 57.38 36 - Normal
01/19/2026 08 AM PST 57.38 36 0 Normal
01/19/2026 09 AM PST 57.37 36 - Normal
01/19/2026 10 AM PST 57.37 36 0 Normal
01/19/2026 11 AM PST 57.37 36 0 Normal
01/19/2026 12 PM PST 57.36 35 - Normal
01/19/2026 01 PM PST 57.36 35 0 Normal
01/19/2026 02 PM PST 57.35 35 - Normal
01/19/2026 03 PM PST 57.35 35 0 Normal
01/19/2026 04 PM PST 57.35 35 0 Normal
01/19/2026 05 PM PST 57.34 35 - Normal
01/19/2026 06 PM PST 57.34 35 0 Normal
01/19/2026 07 PM PST 57.34 35 0 Normal
01/19/2026 08 PM PST 57.33 34 - Normal
01/19/2026 09 PM PST 57.33 34 0 Normal
01/19/2026 10 PM PST 57.33 34 0 Normal
01/19/2026 11 PM PST 57.33 34 0 Normal
01/20/2026 12 AM PST 57.32 34 - Normal
01/20/2026 01 AM PST 57.32 34 0 Normal
01/20/2026 02 AM PST 57.31 33 - Normal
01/20/2026 03 AM PST 57.31 33 0 Normal
01/20/2026 04 AM PST 57.31 33 0 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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