MIDDLE FORK AMERICAN RIVER - FORESTHILL (MFAC1)
Latitude: 39.01º NLongitude: 120.76º WElevation: 1070 FeetForecast Type: Unofficial Location
Location: Placer County in CaliforniaBulletin Group: Lower SacramentoRiver Group: American
Issuance Time: May 14 2026 at 9:02 AM PDTNext Issuance: May 15 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: Middle Fork American River - Foresthill (MFAC1)
#
# File Generation Time:  05/14/2026 at 09:03 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/09/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       10.93 Feet
# Maximum Observed Flow:                        1877 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/14/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       10.14 Feet
# Maximum Forecast Flow:                        1195 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/09/2026 09 AM PDT           10.40           1383                Not Applicable
  05/09/2026 10 AM PDT           10.23           1252         -      Not Applicable
  05/09/2026 11 AM PDT           10.19           1224         -      Not Applicable
  05/09/2026 12 PM PDT           10.18           1218         -      Not Applicable
  05/09/2026 01 PM PDT           10.91           1857         +      Not Applicable
  05/09/2026 02 PM PDT           10.91           1857         0      Not Applicable
  05/09/2026 03 PM PDT           10.85           1796         -      Not Applicable
  05/09/2026 04 PM PDT           10.93           1877         +      Not Applicable
  05/09/2026 05 PM PDT           10.79           1737         -      Not Applicable
  05/09/2026 06 PM PDT           10.79           1737         0      Not Applicable
  05/09/2026 07 PM PDT           10.85           1796         +      Not Applicable
  05/09/2026 08 PM PDT           10.82           1767         -      Not Applicable
  05/09/2026 09 PM PDT           10.80           1747         -      Not Applicable
  05/09/2026 10 PM PDT           10.82           1767         +      Not Applicable
  05/09/2026 11 PM PDT           10.88           1827         +      Not Applicable
  05/10/2026 12 AM PDT           10.76           1707         -      Not Applicable
  05/10/2026 01 AM PDT           10.86           1806         +      Not Applicable
  05/10/2026 02 AM PDT           10.74           1688         -      Not Applicable
  05/10/2026 03 AM PDT           10.85           1796         +      Not Applicable
  05/10/2026 04 AM PDT           10.84           1786         -      Not Applicable
  05/10/2026 05 AM PDT           10.79           1737         -      Not Applicable
  05/10/2026 06 AM PDT           10.75           1697         -      Not Applicable
  05/10/2026 07 AM PDT           10.81           1757         +      Not Applicable
  05/10/2026 08 AM PDT           10.79           1737         -      Not Applicable
  05/10/2026 09 AM PDT           10.84           1786         +      Not Applicable
  05/10/2026 10 AM PDT           10.76           1707         -      Not Applicable
  05/10/2026 11 AM PDT           10.72           1668         -      Not Applicable
  05/10/2026 12 PM PDT           10.77           1717         +      Not Applicable
  05/10/2026 01 PM PDT           10.77           1717         0      Not Applicable
  05/10/2026 02 PM PDT           10.78           1727         +      Not Applicable
  05/10/2026 03 PM PDT           10.85           1796         +      Not Applicable
  05/10/2026 04 PM PDT           10.78           1727         -      Not Applicable
  05/10/2026 05 PM PDT           10.73           1678         -      Not Applicable
  05/10/2026 06 PM PDT           10.76           1707         +      Not Applicable
  05/10/2026 07 PM PDT           10.79           1737         +      Not Applicable
  05/10/2026 08 PM PDT           10.88           1827         +      Not Applicable
  05/10/2026 09 PM PDT           10.75           1697         -      Not Applicable
  05/10/2026 10 PM PDT           10.77           1717         +      Not Applicable
  05/10/2026 11 PM PDT           10.70           1649         -      Not Applicable
  05/11/2026 12 AM PDT           10.34           1336         -      Not Applicable
  05/11/2026 01 AM PDT           10.72           1668         +      Not Applicable
  05/11/2026 02 AM PDT           10.75           1697         +      Not Applicable
  05/11/2026 03 AM PDT           10.66           1610         -      Not Applicable
  05/11/2026 04 AM PDT           10.67           1620         +      Not Applicable
  05/11/2026 05 AM PDT           10.79           1737         +      Not Applicable
  05/11/2026 06 AM PDT           10.74           1688         -      Not Applicable
  05/11/2026 07 AM PDT           10.65           1601         -      Not Applicable
  05/11/2026 08 AM PDT           10.67           1620         +      Not Applicable
  05/11/2026 09 AM PDT           10.76           1707         +      Not Applicable
  05/11/2026 10 AM PDT           10.71           1659         -      Not Applicable
  05/11/2026 11 AM PDT           10.69           1639         -      Not Applicable
  05/11/2026 12 PM PDT           10.75           1697         +      Not Applicable
  05/11/2026 01 PM PDT           10.69           1639         -      Not Applicable
  05/11/2026 02 PM PDT           10.73           1678         +      Not Applicable
  05/11/2026 03 PM PDT           10.72           1668         -      Not Applicable
  05/11/2026 04 PM PDT           10.72           1668         0      Not Applicable
  05/11/2026 05 PM PDT           10.73           1678         +      Not Applicable
  05/11/2026 06 PM PDT           10.73           1678         0      Not Applicable
  05/11/2026 07 PM PDT           10.73           1678         0      Not Applicable
  05/11/2026 08 PM PDT           10.74           1688         +      Not Applicable
  05/11/2026 09 PM PDT           10.74           1688         0      Not Applicable
  05/11/2026 10 PM PDT           10.67           1620         -      Not Applicable
  05/11/2026 11 PM PDT           10.64           1591         -      Not Applicable
  05/12/2026 12 AM PDT           10.27           1283         -      Not Applicable
  05/12/2026 01 AM PDT           10.69           1639         +      Not Applicable
  05/12/2026 02 AM PDT           10.70           1649         +      Not Applicable
  05/12/2026 03 AM PDT           10.61           1563         -      Not Applicable
  05/12/2026 04 AM PDT           10.64           1591         +      Not Applicable
  05/12/2026 05 AM PDT           10.69           1639         +      Not Applicable
  05/12/2026 06 AM PDT           10.63           1582         -      Not Applicable
  05/12/2026 07 AM PDT           10.67           1620         +      Not Applicable
  05/12/2026 08 AM PDT           10.59           1545         -      Not Applicable
  05/12/2026 09 AM PDT           10.67           1620         +      Not Applicable
  05/12/2026 10 AM PDT           10.72           1668         +      Not Applicable
  05/12/2026 11 AM PDT           10.26           1275         -      Not Applicable
  05/12/2026 12 PM PDT           10.28           1290         +      Not Applicable
  05/12/2026 01 PM PDT           10.61           1563         +      Not Applicable
  05/12/2026 02 PM PDT           10.68           1630         +      Not Applicable
  05/12/2026 03 PM PDT           10.68           1630         0      Not Applicable
  05/12/2026 04 PM PDT           10.70           1649         +      Not Applicable
  05/12/2026 05 PM PDT           10.72           1668         +      Not Applicable
  05/12/2026 06 PM PDT           10.61           1563         -      Not Applicable
  05/12/2026 07 PM PDT           10.67           1620         +      Not Applicable
  05/12/2026 08 PM PDT           10.66           1610         -      Not Applicable
  05/12/2026 09 PM PDT           10.65           1601         -      Not Applicable
  05/12/2026 10 PM PDT           10.58           1535         -      Not Applicable
  05/12/2026 11 PM PDT           10.55           1507         -      Not Applicable
  05/13/2026 12 AM PDT           10.63           1582         +      Not Applicable
  05/13/2026 01 AM PDT           10.50           1462         -      Not Applicable
  05/13/2026 02 AM PDT           10.37           1360         -      Not Applicable
  05/13/2026 03 AM PDT           10.29           1298         -      Not Applicable
  05/13/2026 04 AM PDT           10.46           1430         +      Not Applicable
  05/13/2026 05 AM PDT           10.52           1480         +      Not Applicable
  05/13/2026 06 AM PDT           10.47           1438         -      Not Applicable
  05/13/2026 07 AM PDT           10.45           1422         -      Not Applicable
  05/13/2026 08 AM PDT           10.35           1344         -      Not Applicable
  05/13/2026 09 AM PDT           10.13           1189         -      Not Applicable
  05/13/2026 10 AM PDT           10.07           1155         -      Not Applicable
  05/13/2026 11 AM PDT           10.05           1143         -      Not Applicable
  05/13/2026 12 PM PDT           10.03           1132         -      Not Applicable
  05/13/2026 01 PM PDT           10.02           1126         -      Not Applicable
  05/13/2026 02 PM PDT           10.05           1143         +      Not Applicable
  05/13/2026 03 PM PDT            9.36            734         -      Not Applicable
  05/13/2026 04 PM PDT            8.73            473         -      Not Applicable
  05/13/2026 05 PM PDT            8.73            473         0      Not Applicable
  05/13/2026 06 PM PDT            8.63            427         -      Not Applicable
  05/13/2026 07 PM PDT            8.64            432         +      Not Applicable
  05/13/2026 08 PM PDT            9.35            730         +      Not Applicable
  05/13/2026 09 PM PDT            9.45            776         +      Not Applicable
  05/13/2026 10 PM PDT            9.46            781         +      Not Applicable
  05/13/2026 11 PM PDT            9.99           1108         +      Not Applicable
  05/14/2026 12 AM PDT           10.03           1132         +      Not Applicable
  05/14/2026 01 AM PDT           10.01           1121         -      Not Applicable
  05/14/2026 02 AM PDT           10.09           1166         +      Not Applicable
  05/14/2026 03 AM PDT           10.09           1166         0      Not Applicable
  05/14/2026 04 AM PDT           10.05           1143         -      Not Applicable
  05/14/2026 05 AM PDT           10.07           1155         +      Not Applicable
  05/14/2026 06 AM PDT           10.05           1143         -      Not Applicable
  05/14/2026 07 AM PDT           10.07           1155         +      Not Applicable
  05/14/2026 08 AM PDT           10.08           1160         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/14/2026 09 AM PDT           10.09           1166                Not Applicable
  05/14/2026 10 AM PDT           10.11           1178         +      Not Applicable
  05/14/2026 11 AM PDT           10.12           1183         +      Not Applicable
  05/14/2026 12 PM PDT           10.13           1189         +      Not Applicable
  05/14/2026 01 PM PDT           10.14           1195         +      Not Applicable
  05/14/2026 02 PM PDT           10.01           1121         -      Not Applicable
  05/14/2026 03 PM PDT           10.02           1126         +      Not Applicable
  05/14/2026 04 PM PDT           10.02           1126         0      Not Applicable
  05/14/2026 05 PM PDT           10.02           1126         0      Not Applicable
  05/14/2026 06 PM PDT           10.02           1126         0      Not Applicable
  05/14/2026 07 PM PDT           10.01           1121         -      Not Applicable
  05/14/2026 08 PM PDT           10.01           1121         0      Not Applicable
  05/14/2026 09 PM PDT           10.01           1121         0      Not Applicable
  05/14/2026 10 PM PDT           10.01           1121         0      Not Applicable
  05/14/2026 11 PM PDT           10.00           1115         -      Not Applicable
  05/15/2026 12 AM PDT           10.00           1115         0      Not Applicable
  05/15/2026 01 AM PDT           10.00           1115         0      Not Applicable
  05/15/2026 02 AM PDT           10.00           1115         0      Not Applicable
  05/15/2026 03 AM PDT            9.99           1108         -      Not Applicable
  05/15/2026 04 AM PDT            9.99           1108         0      Not Applicable
  05/15/2026 05 AM PDT            9.99           1108         0      Not Applicable
  05/15/2026 06 AM PDT            9.99           1108         0      Not Applicable
  05/15/2026 07 AM PDT            9.99           1108         0      Not Applicable
  05/15/2026 08 AM PDT            9.98           1102         -      Not Applicable
  05/15/2026 09 AM PDT            9.98           1102         0      Not Applicable
  05/15/2026 10 AM PDT            9.98           1102         0      Not Applicable
  05/15/2026 11 AM PDT            9.98           1102         0      Not Applicable
  05/15/2026 12 PM PDT            9.98           1102         0      Not Applicable
  05/15/2026 01 PM PDT            9.97           1095         -      Not Applicable
  05/15/2026 02 PM PDT            9.97           1095         0      Not Applicable
  05/15/2026 03 PM PDT            9.97           1095         0      Not Applicable
  05/15/2026 04 PM PDT            9.97           1095         0      Not Applicable
  05/15/2026 05 PM PDT            9.97           1095         0      Not Applicable
  05/15/2026 06 PM PDT            9.96           1088         -      Not Applicable
  05/15/2026 07 PM PDT            9.96           1088         0      Not Applicable
  05/15/2026 08 PM PDT            9.96           1088         0      Not Applicable
  05/15/2026 09 PM PDT            9.96           1088         0      Not Applicable
  05/15/2026 10 PM PDT            9.96           1088         0      Not Applicable
  05/15/2026 11 PM PDT            9.96           1088         0      Not Applicable
  05/16/2026 12 AM PDT            9.95           1082         -      Not Applicable
  05/16/2026 01 AM PDT            9.95           1082         0      Not Applicable
  05/16/2026 02 AM PDT            9.95           1082         0      Not Applicable
  05/16/2026 03 AM PDT            9.95           1082         0      Not Applicable
  05/16/2026 04 AM PDT            9.95           1082         0      Not Applicable
  05/16/2026 05 AM PDT            9.95           1082         0      Not Applicable
  05/16/2026 06 AM PDT            9.94           1075         -      Not Applicable
  05/16/2026 07 AM PDT            9.94           1075         0      Not Applicable
  05/16/2026 08 AM PDT            9.94           1075         0      Not Applicable
  05/16/2026 09 AM PDT            9.94           1075         0      Not Applicable
  05/16/2026 10 AM PDT            9.94           1075         0      Not Applicable
  05/16/2026 11 AM PDT            9.93           1068         -      Not Applicable
  05/16/2026 12 PM PDT            9.93           1068         0      Not Applicable
  05/16/2026 01 PM PDT            9.93           1068         0      Not Applicable
  05/16/2026 02 PM PDT            9.93           1068         0      Not Applicable
  05/16/2026 03 PM PDT            9.93           1068         0      Not Applicable
  05/16/2026 04 PM PDT            9.93           1068         0      Not Applicable
  05/16/2026 05 PM PDT            9.92           1062         -      Not Applicable
  05/16/2026 06 PM PDT            9.92           1062         0      Not Applicable
  05/16/2026 07 PM PDT            9.92           1062         0      Not Applicable
  05/16/2026 08 PM PDT            9.92           1062         0      Not Applicable
  05/16/2026 09 PM PDT            9.92           1062         0      Not Applicable
  05/16/2026 10 PM PDT            9.91           1055         -      Not Applicable
  05/16/2026 11 PM PDT            9.91           1055         0      Not Applicable
  05/17/2026 12 AM PDT            9.91           1055         0      Not Applicable
  05/17/2026 01 AM PDT            9.91           1055         0      Not Applicable
  05/17/2026 02 AM PDT            9.91           1055         0      Not Applicable
  05/17/2026 03 AM PDT            9.91           1055         0      Not Applicable
  05/17/2026 04 AM PDT            9.90           1049         -      Not Applicable
  05/17/2026 05 AM PDT            9.90           1049         0      Not Applicable
  05/17/2026 06 AM PDT            9.90           1049         0      Not Applicable
  05/17/2026 07 AM PDT            9.90           1049         0      Not Applicable
  05/17/2026 08 AM PDT            9.90           1049         0      Not Applicable
  05/17/2026 09 AM PDT            9.90           1049         0      Not Applicable
  05/17/2026 10 AM PDT            9.90           1049         0      Not Applicable
  05/17/2026 11 AM PDT            9.89           1042         -      Not Applicable
  05/17/2026 12 PM PDT            9.89           1042         0      Not Applicable
  05/17/2026 01 PM PDT            9.89           1042         0      Not Applicable
  05/17/2026 02 PM PDT            9.89           1042         0      Not Applicable
  05/17/2026 03 PM PDT            9.89           1042         0      Not Applicable
  05/17/2026 04 PM PDT            9.89           1042         0      Not Applicable
  05/17/2026 05 PM PDT            9.88           1036         -      Not Applicable
  05/17/2026 06 PM PDT            9.88           1036         0      Not Applicable
  05/17/2026 07 PM PDT            9.88           1036         0      Not Applicable
  05/17/2026 08 PM PDT            9.88           1036         0      Not Applicable
  05/17/2026 09 PM PDT            9.88           1036         0      Not Applicable
  05/17/2026 10 PM PDT            9.88           1036         0      Not Applicable
  05/17/2026 11 PM PDT            9.88           1036         0      Not Applicable
  05/18/2026 12 AM PDT            9.87           1029         -      Not Applicable
  05/18/2026 01 AM PDT            9.87           1029         0      Not Applicable
  05/18/2026 02 AM PDT            9.87           1029         0      Not Applicable
  05/18/2026 03 AM PDT            9.87           1029         0      Not Applicable
  05/18/2026 04 AM PDT            9.87           1029         0      Not Applicable
  05/18/2026 05 AM PDT            9.87           1029         0      Not Applicable
  05/18/2026 06 AM PDT            9.87           1029         0      Not Applicable
  05/18/2026 07 AM PDT            9.86           1023         -      Not Applicable
  05/18/2026 08 AM PDT            9.86           1023         0      Not Applicable
  05/18/2026 09 AM PDT            9.86           1023         0      Not Applicable
  05/18/2026 10 AM PDT            9.86           1023         0      Not Applicable
  05/18/2026 11 AM PDT            9.86           1023         0      Not Applicable
  05/18/2026 12 PM PDT            9.86           1023         0      Not Applicable
  05/18/2026 01 PM PDT            9.86           1023         0      Not Applicable
  05/18/2026 02 PM PDT            9.85           1017         -      Not Applicable
  05/18/2026 03 PM PDT            9.85           1017         0      Not Applicable
  05/18/2026 04 PM PDT            9.85           1017         0      Not Applicable
  05/18/2026 05 PM PDT            9.85           1017         0      Not Applicable
  05/18/2026 06 PM PDT            9.85           1017         0      Not Applicable
  05/18/2026 07 PM PDT            9.85           1017         0      Not Applicable
  05/18/2026 08 PM PDT            9.85           1017         0      Not Applicable
  05/18/2026 09 PM PDT            9.84           1010         -      Not Applicable
  05/18/2026 10 PM PDT            9.84           1010         0      Not Applicable
  05/18/2026 11 PM PDT            9.84           1010         0      Not Applicable
  05/19/2026 12 AM PDT            9.84           1010         0      Not Applicable
  05/19/2026 01 AM PDT            9.84           1010         0      Not Applicable
  05/19/2026 02 AM PDT            9.84           1010         0      Not Applicable
  05/19/2026 03 AM PDT            9.84           1010         0      Not Applicable
  05/19/2026 04 AM PDT            9.83           1004         -      Not Applicable
  05/19/2026 05 AM PDT            9.83           1004         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.