# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 04/13/2026 at 01:05 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/12/2026 at 02:00 PM PDT
# Maximum Observed Stage: 11.09 Feet
# Maximum Observed Flow: 434 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/16/2026 at 04:00 AM PDT
# Maximum Forecast Stage: 10.35 Feet
# Maximum Forecast Flow: 268 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/08/2026 01 PM PDT 9.11 75 Not Applicable
04/08/2026 02 PM PDT 9.11 75 0 Not Applicable
04/08/2026 03 PM PDT 9.11 75 0 Not Applicable
04/08/2026 04 PM PDT 9.11 75 0 Not Applicable
04/08/2026 05 PM PDT 9.11 75 0 Not Applicable
04/08/2026 06 PM PDT 9.11 75 0 Not Applicable
04/08/2026 07 PM PDT 9.11 75 0 Not Applicable
04/08/2026 08 PM PDT 9.11 75 0 Not Applicable
04/08/2026 09 PM PDT 9.11 75 0 Not Applicable
04/08/2026 10 PM PDT 9.11 75 0 Not Applicable
04/08/2026 11 PM PDT 9.11 75 0 Not Applicable
04/09/2026 12 AM PDT 9.11 75 0 Not Applicable
04/09/2026 01 AM PDT 9.11 75 0 Not Applicable
04/09/2026 02 AM PDT 9.11 75 0 Not Applicable
04/09/2026 03 AM PDT 9.11 75 0 Not Applicable
04/09/2026 04 AM PDT 9.11 75 0 Not Applicable
04/09/2026 05 AM PDT 9.11 75 0 Not Applicable
04/09/2026 06 AM PDT 9.11 75 0 Not Applicable
04/09/2026 07 AM PDT 9.11 75 0 Not Applicable
04/09/2026 08 AM PDT 9.11 75 0 Not Applicable
04/09/2026 09 AM PDT 9.11 75 0 Not Applicable
04/09/2026 10 AM PDT 9.11 75 0 Not Applicable
04/09/2026 11 AM PDT 9.11 75 0 Not Applicable
04/09/2026 12 PM PDT 9.11 75 0 Not Applicable
04/09/2026 01 PM PDT 9.11 75 0 Not Applicable
04/09/2026 02 PM PDT 9.11 75 0 Not Applicable
04/09/2026 03 PM PDT 9.11 75 0 Not Applicable
04/09/2026 04 PM PDT 9.11 75 0 Not Applicable
04/09/2026 05 PM PDT 9.11 75 0 Not Applicable
04/09/2026 06 PM PDT 9.11 75 0 Not Applicable
04/09/2026 07 PM PDT 9.11 75 0 Not Applicable
04/09/2026 08 PM PDT 9.11 75 0 Not Applicable
04/09/2026 09 PM PDT 9.11 75 0 Not Applicable
04/09/2026 10 PM PDT 9.11 75 0 Not Applicable
04/09/2026 11 PM PDT 9.11 75 0 Not Applicable
04/10/2026 12 AM PDT 9.11 75 0 Not Applicable
04/10/2026 01 AM PDT 9.11 75 0 Not Applicable
04/10/2026 02 AM PDT 9.11 75 0 Not Applicable
04/10/2026 03 AM PDT 9.11 75 0 Not Applicable
04/10/2026 04 AM PDT 9.11 75 0 Not Applicable
04/10/2026 05 AM PDT 9.11 75 0 Not Applicable
04/10/2026 06 AM PDT 9.11 75 0 Not Applicable
04/10/2026 07 AM PDT 9.11 75 0 Not Applicable
04/10/2026 08 AM PDT 9.11 75 0 Not Applicable
04/10/2026 09 AM PDT 9.11 75 0 Not Applicable
04/10/2026 10 AM PDT 9.11 75 0 Not Applicable
04/10/2026 11 AM PDT 9.12 76 + Not Applicable
04/10/2026 12 PM PDT 9.13 78 + Not Applicable
04/10/2026 01 PM PDT 9.13 78 0 Not Applicable
04/10/2026 02 PM PDT 9.12 76 - Not Applicable
04/10/2026 03 PM PDT 9.12 76 0 Not Applicable
04/10/2026 04 PM PDT 9.12 76 0 Not Applicable
04/10/2026 05 PM PDT 9.12 76 0 Not Applicable
04/10/2026 06 PM PDT 9.11 75 - Not Applicable
04/10/2026 07 PM PDT 9.11 75 0 Not Applicable
04/10/2026 08 PM PDT 9.11 75 0 Not Applicable
04/10/2026 09 PM PDT 9.11 75 0 Not Applicable
04/10/2026 10 PM PDT 9.11 75 0 Not Applicable
04/10/2026 11 PM PDT 9.12 76 + Not Applicable
04/11/2026 12 AM PDT 9.14 79 + Not Applicable
04/11/2026 01 AM PDT 9.15 79 + Not Applicable
04/11/2026 02 AM PDT 9.16 80 + Not Applicable
04/11/2026 03 AM PDT 9.17 81 + Not Applicable
04/11/2026 04 AM PDT 9.19 83 + Not Applicable
04/11/2026 05 AM PDT 9.22 87 + Not Applicable
04/11/2026 06 AM PDT 9.24 89 + Not Applicable
04/11/2026 07 AM PDT 9.27 92 + Not Applicable
04/11/2026 08 AM PDT 9.29 95 + Not Applicable
04/11/2026 09 AM PDT 9.32 98 + Not Applicable
04/11/2026 10 AM PDT 9.34 101 + Not Applicable
04/11/2026 11 AM PDT 9.37 104 + Not Applicable
04/11/2026 12 PM PDT 9.41 110 + Not Applicable
04/11/2026 01 PM PDT 9.52 125 + Not Applicable
04/11/2026 02 PM PDT 9.62 140 + Not Applicable
04/11/2026 03 PM PDT 9.67 147 + Not Applicable
04/11/2026 04 PM PDT 9.73 157 + Not Applicable
04/11/2026 05 PM PDT 9.78 165 + Not Applicable
04/11/2026 06 PM PDT 9.84 175 + Not Applicable
04/11/2026 07 PM PDT 9.93 190 + Not Applicable
04/11/2026 08 PM PDT 9.99 200 + Not Applicable
04/11/2026 09 PM PDT 9.98 199 - Not Applicable
04/11/2026 10 PM PDT 9.94 192 - Not Applicable
04/11/2026 11 PM PDT 9.92 188 - Not Applicable
04/12/2026 12 AM PDT 9.91 186 - Not Applicable
04/12/2026 01 AM PDT 9.89 183 - Not Applicable
04/12/2026 02 AM PDT 9.89 183 0 Not Applicable
04/12/2026 03 AM PDT 9.91 186 + Not Applicable
04/12/2026 04 AM PDT 9.97 197 + Not Applicable
04/12/2026 05 AM PDT 10.03 207 + Not Applicable
04/12/2026 06 AM PDT 10.10 220 + Not Applicable
04/12/2026 07 AM PDT 10.25 248 + Not Applicable
04/12/2026 08 AM PDT 10.37 272 + Not Applicable
04/12/2026 09 AM PDT 10.48 295 + Not Applicable
04/12/2026 10 AM PDT 10.61 322 + Not Applicable
04/12/2026 11 AM PDT 10.83 372 + Not Applicable
04/12/2026 12 PM PDT 10.95 400 + Not Applicable
04/12/2026 01 PM PDT 11.07 429 + Not Applicable
04/12/2026 02 PM PDT 11.09 434 + Not Applicable
04/12/2026 03 PM PDT 11.07 429 - Not Applicable
04/12/2026 04 PM PDT 11.04 421 - Not Applicable
04/12/2026 05 PM PDT 10.98 407 - Not Applicable
04/12/2026 06 PM PDT 10.94 397 - Not Applicable
04/12/2026 07 PM PDT 10.89 386 - Not Applicable
04/12/2026 08 PM PDT 10.86 379 - Not Applicable
04/12/2026 09 PM PDT 10.84 374 - Not Applicable
04/12/2026 10 PM PDT 10.79 362 - Not Applicable
04/12/2026 11 PM PDT 10.75 353 - Not Applicable
04/13/2026 12 AM PDT 10.70 342 - Not Applicable
04/13/2026 01 AM PDT 10.67 335 - Not Applicable
04/13/2026 02 AM PDT 10.63 327 - Not Applicable
04/13/2026 03 AM PDT 10.59 318 - Not Applicable
04/13/2026 04 AM PDT 10.56 312 - Not Applicable
04/13/2026 05 AM PDT 10.52 303 - Not Applicable
04/13/2026 06 AM PDT 10.49 297 - Not Applicable
04/13/2026 07 AM PDT 10.46 291 - Not Applicable
04/13/2026 08 AM PDT 10.43 284 - Not Applicable
04/13/2026 09 AM PDT 10.40 278 - Not Applicable
04/13/2026 10 AM PDT 10.39 276 - Not Applicable
04/13/2026 11 AM PDT 10.36 270 - Not Applicable
04/13/2026 12 PM PDT 10.34 266 - Not Applicable
04/13/2026 01 PM PDT 10.31 260 - Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/13/2026 02 PM PDT 10.31 260 Not Applicable
04/13/2026 03 PM PDT 10.29 256 - Not Applicable
04/13/2026 04 PM PDT 10.28 254 - Not Applicable
04/13/2026 05 PM PDT 10.26 250 - Not Applicable
04/13/2026 06 PM PDT 10.24 246 - Not Applicable
04/13/2026 07 PM PDT 10.23 245 - Not Applicable
04/13/2026 08 PM PDT 10.22 243 - Not Applicable
04/13/2026 09 PM PDT 10.21 241 - Not Applicable
04/13/2026 10 PM PDT 10.20 239 - Not Applicable
04/13/2026 11 PM PDT 10.19 237 - Not Applicable
04/14/2026 12 AM PDT 10.18 235 - Not Applicable
04/14/2026 01 AM PDT 10.17 233 - Not Applicable
04/14/2026 02 AM PDT 10.16 231 - Not Applicable
04/14/2026 03 AM PDT 10.15 229 - Not Applicable
04/14/2026 04 AM PDT 10.14 227 - Not Applicable
04/14/2026 05 AM PDT 10.14 227 0 Not Applicable
04/14/2026 06 AM PDT 10.13 226 - Not Applicable
04/14/2026 07 AM PDT 10.12 224 - Not Applicable
04/14/2026 08 AM PDT 10.12 224 0 Not Applicable
04/14/2026 09 AM PDT 10.11 222 - Not Applicable
04/14/2026 10 AM PDT 10.10 220 - Not Applicable
04/14/2026 11 AM PDT 10.10 220 0 Not Applicable
04/14/2026 12 PM PDT 10.09 218 - Not Applicable
04/14/2026 01 PM PDT 10.08 216 - Not Applicable
04/14/2026 02 PM PDT 10.08 216 0 Not Applicable
04/14/2026 03 PM PDT 10.07 215 - Not Applicable
04/14/2026 04 PM PDT 10.06 213 - Not Applicable
04/14/2026 05 PM PDT 10.06 213 0 Not Applicable
04/14/2026 06 PM PDT 10.05 211 - Not Applicable
04/14/2026 07 PM PDT 10.05 211 0 Not Applicable
04/14/2026 08 PM PDT 10.04 209 - Not Applicable
04/14/2026 09 PM PDT 10.04 209 0 Not Applicable
04/14/2026 10 PM PDT 10.03 207 - Not Applicable
04/14/2026 11 PM PDT 10.02 206 - Not Applicable
04/15/2026 12 AM PDT 10.02 206 0 Not Applicable
04/15/2026 01 AM PDT 10.01 204 - Not Applicable
04/15/2026 02 AM PDT 10.01 204 0 Not Applicable
04/15/2026 03 AM PDT 10.00 202 - Not Applicable
04/15/2026 04 AM PDT 10.00 202 0 Not Applicable
04/15/2026 05 AM PDT 9.99 200 - Not Applicable
04/15/2026 06 AM PDT 9.99 200 0 Not Applicable
04/15/2026 07 AM PDT 9.98 199 - Not Applicable
04/15/2026 08 AM PDT 9.98 199 0 Not Applicable
04/15/2026 09 AM PDT 9.97 197 - Not Applicable
04/15/2026 10 AM PDT 9.97 197 0 Not Applicable
04/15/2026 11 AM PDT 9.96 195 - Not Applicable
04/15/2026 12 PM PDT 9.96 195 0 Not Applicable
04/15/2026 01 PM PDT 9.96 195 0 Not Applicable
04/15/2026 02 PM PDT 9.95 193 - Not Applicable
04/15/2026 03 PM PDT 9.95 193 0 Not Applicable
04/15/2026 04 PM PDT 9.95 193 0 Not Applicable
04/15/2026 05 PM PDT 9.95 193 0 Not Applicable
04/15/2026 06 PM PDT 9.96 195 + Not Applicable
04/15/2026 07 PM PDT 9.97 197 + Not Applicable
04/15/2026 08 PM PDT 9.99 200 + Not Applicable
04/15/2026 09 PM PDT 10.04 209 + Not Applicable
04/15/2026 10 PM PDT 10.10 220 + Not Applicable
04/15/2026 11 PM PDT 10.16 231 + Not Applicable
04/16/2026 12 AM PDT 10.21 241 + Not Applicable
04/16/2026 01 AM PDT 10.26 250 + Not Applicable
04/16/2026 02 AM PDT 10.30 258 + Not Applicable
04/16/2026 03 AM PDT 10.33 264 + Not Applicable
04/16/2026 04 AM PDT 10.35 268 + Not Applicable
04/16/2026 05 AM PDT 10.35 268 0 Not Applicable
04/16/2026 06 AM PDT 10.35 268 0 Not Applicable
04/16/2026 07 AM PDT 10.33 264 - Not Applicable
04/16/2026 08 AM PDT 10.31 260 - Not Applicable
04/16/2026 09 AM PDT 10.29 256 - Not Applicable
04/16/2026 10 AM PDT 10.26 250 - Not Applicable
04/16/2026 11 AM PDT 10.23 245 - Not Applicable
04/16/2026 12 PM PDT 10.20 239 - Not Applicable
04/16/2026 01 PM PDT 10.17 233 - Not Applicable
04/16/2026 02 PM PDT 10.14 227 - Not Applicable
04/16/2026 03 PM PDT 10.12 224 - Not Applicable
04/16/2026 04 PM PDT 10.10 220 - Not Applicable
04/16/2026 05 PM PDT 10.08 216 - Not Applicable
04/16/2026 06 PM PDT 10.06 213 - Not Applicable
04/16/2026 07 PM PDT 10.04 209 - Not Applicable
04/16/2026 08 PM PDT 10.02 206 - Not Applicable
04/16/2026 09 PM PDT 10.01 204 - Not Applicable
04/16/2026 10 PM PDT 10.00 202 - Not Applicable
04/16/2026 11 PM PDT 9.98 199 - Not Applicable
04/17/2026 12 AM PDT 9.97 197 - Not Applicable
04/17/2026 01 AM PDT 9.96 195 - Not Applicable
04/17/2026 02 AM PDT 9.95 193 - Not Applicable
04/17/2026 03 AM PDT 9.94 192 - Not Applicable
04/17/2026 04 AM PDT 9.94 192 0 Not Applicable
04/17/2026 05 AM PDT 9.93 190 - Not Applicable
04/17/2026 06 AM PDT 9.92 188 - Not Applicable
04/17/2026 07 AM PDT 9.91 186 - Not Applicable
04/17/2026 08 AM PDT 9.91 186 0 Not Applicable
04/17/2026 09 AM PDT 9.90 185 - Not Applicable
04/17/2026 10 AM PDT 9.89 183 - Not Applicable
04/17/2026 11 AM PDT 9.89 183 0 Not Applicable
04/17/2026 12 PM PDT 9.88 181 - Not Applicable
04/17/2026 01 PM PDT 9.88 181 0 Not Applicable
04/17/2026 02 PM PDT 9.87 180 - Not Applicable
04/17/2026 03 PM PDT 9.86 178 - Not Applicable
04/17/2026 04 PM PDT 9.86 178 0 Not Applicable
04/17/2026 05 PM PDT 9.85 176 - Not Applicable
04/17/2026 06 PM PDT 9.85 176 0 Not Applicable
04/17/2026 07 PM PDT 9.84 175 - Not Applicable
04/17/2026 08 PM PDT 9.84 175 0 Not Applicable
04/17/2026 09 PM PDT 9.83 173 - Not Applicable
04/17/2026 10 PM PDT 9.82 171 - Not Applicable
04/17/2026 11 PM PDT 9.82 171 0 Not Applicable
04/18/2026 12 AM PDT 9.81 170 - Not Applicable
04/18/2026 01 AM PDT 9.81 170 0 Not Applicable
04/18/2026 02 AM PDT 9.80 168 - Not Applicable
04/18/2026 03 AM PDT 9.80 168 0 Not Applicable
04/18/2026 04 AM PDT 9.79 166 - Not Applicable
04/18/2026 05 AM PDT 9.79 166 0 Not Applicable
04/18/2026 06 AM PDT 9.78 165 - 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.
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