National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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NAPA RIVER - SAINT HELENA (SHEC1)
Latitude: 38.51º NLongitude: 122.45º WElevation: 195 Feet
Location: Napa County in CaliforniaRiver Group: Russian Napa
Issuance Time: Jan 21 2017 at 1:33 PM PSTNext Issuance: Jan 22 2017 at 9:00 AM PST
Monitor Stage: N/A Flood Stage: 16.0 Feet

# Tabular River Observed & Forecast - Hydrograph Information
#
# File Generation Time:  01/21/2017  01:34 PM PST
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/18/2017 11 PM PST
# Maximum Observed Stage:                       10.3 Feet
# Maximum Observed Flow:                        2764 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/22/2017 07 AM PST
# Maximum Forecast Stage:                       13.9 Feet
# Maximum Forecast Flow:                        4644 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/16/2017 01 PM PST             3.0            280                        Normal
  01/16/2017 02 PM PST             3.0            273         -              Normal
  01/16/2017 03 PM PST             3.0            273         0              Normal
  01/16/2017 04 PM PST             3.0            270         -              Normal
  01/16/2017 05 PM PST             3.0            270         0              Normal
  01/16/2017 06 PM PST             3.0            267         -              Normal
  01/16/2017 07 PM PST             3.0            265         -              Normal
  01/16/2017 08 PM PST             2.9            263         -              Normal
  01/16/2017 09 PM PST             2.9            262         -              Normal
  01/16/2017 10 PM PST             2.9            257         -              Normal
  01/16/2017 11 PM PST             2.9            257         0              Normal
  01/17/2017 12 AM PST             2.9            257         0              Normal
  01/17/2017 01 AM PST             2.9            257         0              Normal
  01/17/2017 02 AM PST             2.9            250         -              Normal
  01/17/2017 03 AM PST             2.9            252         +              Normal
  01/17/2017 04 AM PST             2.9            249         -              Normal
  01/17/2017 05 AM PST             2.8            247         -              Normal
  01/17/2017 06 AM PST             2.8            246         -              Normal
  01/17/2017 07 AM PST             2.8            244         -              Normal
  01/17/2017 08 AM PST             2.8            241         -              Normal
  01/17/2017 09 AM PST             2.8            241         0              Normal
  01/17/2017 10 AM PST             2.8            241         0              Normal
  01/17/2017 11 AM PST             2.8            241         0              Normal
  01/17/2017 12 PM PST             2.8            235         -              Normal
  01/17/2017 01 PM PST             2.8            233         -              Normal
  01/17/2017 02 PM PST             2.8            232         -              Normal
  01/17/2017 03 PM PST             2.7            230         -              Normal
  01/17/2017 04 PM PST             2.7            228         -              Normal
  01/17/2017 05 PM PST             2.7            228         0              Normal
  01/17/2017 06 PM PST             2.7            227         -              Normal
  01/17/2017 07 PM PST             2.7            225         -              Normal
  01/17/2017 08 PM PST             2.7            224         -              Normal
  01/17/2017 09 PM PST             2.7            222         -              Normal
  01/17/2017 10 PM PST             2.7            221         -              Normal
  01/17/2017 11 PM PST             2.7            219         -              Normal
  01/18/2017 12 AM PST             2.7            217         -              Normal
  01/18/2017 01 AM PST             2.6            216         -              Normal
  01/18/2017 02 AM PST             2.6            216         0              Normal
  01/18/2017 03 AM PST             2.6            214         -              Normal
  01/18/2017 04 AM PST             2.6            216         +              Normal
  01/18/2017 05 AM PST             2.6            214         -              Normal
  01/18/2017 06 AM PST             2.6            213         -              Normal
  01/18/2017 07 AM PST             2.6            214         +              Normal
  01/18/2017 08 AM PST             2.6            214         0              Normal
  01/18/2017 09 AM PST             2.6            213         -              Normal
  01/18/2017 10 AM PST             2.7            222         +              Normal
  01/18/2017 11 AM PST             2.8            244         +              Normal
  01/18/2017 12 PM PST             2.9            252         +              Normal
  01/18/2017 01 PM PST             3.0            270         +              Normal
  01/18/2017 02 PM PST             3.1            295         +              Normal
  01/18/2017 03 PM PST             3.4            352         +              Normal
  01/18/2017 04 PM PST             3.9            452         +              Normal
  01/18/2017 05 PM PST             4.5            643         +              Normal
  01/18/2017 06 PM PST             5.4            886         +              Normal
  01/18/2017 07 PM PST             6.5           1240         +              Normal
  01/18/2017 08 PM PST             8.2           1869         +              Normal
  01/18/2017 09 PM PST             9.8           2539         +              Normal
  01/18/2017 10 PM PST            10.3           2760         +              Normal
  01/18/2017 11 PM PST            10.3           2764         +              Normal
  01/19/2017 12 AM PST             9.9           2611         -              Normal
  01/19/2017 01 AM PST             9.3           2314         -              Normal
  01/19/2017 02 AM PST             8.6           2029         -              Normal
  01/19/2017 03 AM PST             8.1           1813         -              Normal
  01/19/2017 04 AM PST             7.8           1721         -              Normal
  01/19/2017 05 AM PST             7.5           1591         -              Normal
  01/19/2017 06 AM PST             7.2           1470         -              Normal
  01/19/2017 07 AM PST             7.0           1399         -              Normal
  01/19/2017 08 AM PST             6.8           1327         -              Normal
  01/19/2017 09 AM PST             6.5           1236         -              Normal
  01/19/2017 10 AM PST             6.3           1167         -              Normal
  01/19/2017 11 AM PST             6.2           1127         -              Normal
  01/19/2017 12 PM PST             6.1           1101         -              Normal
  01/19/2017 01 PM PST             6.0           1079         -              Normal
  01/19/2017 02 PM PST             6.0           1063         -              Normal
  01/19/2017 03 PM PST             5.9           1034         -              Normal
  01/19/2017 04 PM PST             5.7            978         -              Normal
  01/19/2017 05 PM PST             5.7            966         -              Normal
  01/19/2017 06 PM PST             5.6            935         -              Normal
  01/19/2017 07 PM PST             5.4            895         -              Normal
  01/19/2017 08 PM PST             5.3            862         -              Normal
  01/19/2017 09 PM PST             5.2            836         -              Normal
  01/19/2017 10 PM PST             5.1            806         -              Normal
  01/19/2017 11 PM PST             5.1            789         -              Normal
  01/20/2017 12 AM PST             4.9            747         -              Normal
  01/20/2017 01 AM PST             5.0            772         +              Normal
  01/20/2017 02 AM PST             5.2            836         +              Normal
  01/20/2017 03 AM PST             5.8           1003         +              Normal
  01/20/2017 04 AM PST             6.7           1307         +              Normal
  01/20/2017 05 AM PST             8.0           1797         +              Normal
  01/20/2017 06 AM PST             9.1           2261         +              Normal
  01/20/2017 07 AM PST             9.7           2507         +              Normal
  01/20/2017 08 AM PST             9.9           2611         +              Normal
  01/20/2017 09 AM PST             9.8           2549         -              Normal
  01/20/2017 10 AM PST             9.5           2415         -              Normal
  01/20/2017 11 AM PST             9.1           2261         -              Normal
  01/20/2017 12 PM PST             8.8           2115         -              Normal
  01/20/2017 01 PM PST             8.5           1994         -              Normal
  01/20/2017 02 PM PST             8.3           1905         -              Normal
  01/20/2017 03 PM PST             8.1           1813         -              Normal
  01/20/2017 04 PM PST             7.8           1721         -              Normal
  01/20/2017 05 PM PST             7.6           1650         -              Normal
  01/20/2017 06 PM PST             7.4           1567         -              Normal
  01/20/2017 07 PM PST             7.3           1503         -              Normal
  01/20/2017 08 PM PST             7.2           1467         -              Normal
  01/20/2017 09 PM PST             7.2           1474         +              Normal
  01/20/2017 10 PM PST             7.3           1507         +              Normal
  01/20/2017 11 PM PST             7.2           1467         -              Normal
  01/21/2017 12 AM PST             7.0           1413         -              Normal
  01/21/2017 01 AM PST             6.9           1362         -              Normal
  01/21/2017 02 AM PST             6.8           1334         -              Normal
  01/21/2017 03 AM PST             6.6           1284         -              Normal
  01/21/2017 04 AM PST             6.5           1243         -              Normal
  01/21/2017 05 AM PST             6.5           1243         0              Normal
  01/21/2017 06 AM PST             6.4           1221         -              Normal
  01/21/2017 07 AM PST             6.4           1218         -              Normal
  01/21/2017 08 AM PST             6.4           1214         -              Normal
  01/21/2017 09 AM PST             6.4           1192         -              Normal
  01/21/2017 10 AM PST             6.4           1196         +              Normal
  01/21/2017 11 AM PST             6.4           1214         +              Normal
  01/21/2017 12 PM PST             6.3           1171         -              Normal
  01/21/2017 01 PM PST             6.2           1146         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/21/2017 02 PM PST             6.2           1145                        Normal
  01/21/2017 03 PM PST             6.2           1133         -              Normal
  01/21/2017 04 PM PST             6.1           1106         -              Normal
  01/21/2017 05 PM PST             6.0           1067         -              Normal
  01/21/2017 06 PM PST             5.9           1039         -              Normal
  01/21/2017 07 PM PST             5.9           1037         -              Normal
  01/21/2017 08 PM PST             6.0           1061         +              Normal
  01/21/2017 09 PM PST             6.1           1108         +              Normal
  01/21/2017 10 PM PST             6.3           1183         +              Normal
  01/21/2017 11 PM PST             6.6           1281         +              Normal
  01/22/2017 12 AM PST             7.0           1399         +              Normal
  01/22/2017 01 AM PST             7.7           1656         +              Normal
  01/22/2017 02 AM PST             8.6           2041         +              Normal
  01/22/2017 03 AM PST             9.9           2589         +              Normal
  01/22/2017 04 AM PST            11.7           3468         +              Normal
  01/22/2017 05 AM PST            13.0           4155         +              Normal
  01/22/2017 06 AM PST            13.6           4503         +              Normal
  01/22/2017 07 AM PST            13.9           4644         +              Normal
  01/22/2017 08 AM PST            13.7           4569         -              Normal
  01/22/2017 09 AM PST            13.0           4179         -              Normal
  01/22/2017 10 AM PST            11.9           3569         -              Normal
  01/22/2017 11 AM PST            10.9           3065         -              Normal
  01/22/2017 12 PM PST            10.0           2642         -              Normal
  01/22/2017 01 PM PST             9.2           2304         -              Normal
  01/22/2017 02 PM PST             8.6           2051         -              Normal
  01/22/2017 03 PM PST             8.2           1877         -              Normal
  01/22/2017 04 PM PST             7.9           1761         -              Normal
  01/22/2017 05 PM PST             7.7           1672         -              Normal
  01/22/2017 06 PM PST             7.5           1603         -              Normal
  01/22/2017 07 PM PST             7.4           1561         -              Normal
  01/22/2017 08 PM PST             7.3           1535         -              Normal
  01/22/2017 09 PM PST             7.3           1505         -              Normal
  01/22/2017 10 PM PST             7.2           1474         -              Normal
  01/22/2017 11 PM PST             7.1           1440         -              Normal
  01/23/2017 12 AM PST             7.0           1411         -              Normal
  01/23/2017 01 AM PST             6.9           1376         -              Normal
  01/23/2017 02 AM PST             6.8           1339         -              Normal
  01/23/2017 03 AM PST             6.7           1308         -              Normal
  01/23/2017 04 AM PST             6.6           1271         -              Normal
  01/23/2017 05 AM PST             6.5           1232         -              Normal
  01/23/2017 06 AM PST             6.4           1199         -              Normal
  01/23/2017 07 AM PST             6.3           1171         -              Normal
  01/23/2017 08 AM PST             6.2           1148         -              Normal
  01/23/2017 09 AM PST             6.2           1128         -              Normal
  01/23/2017 10 AM PST             6.1           1108         -              Normal
  01/23/2017 11 AM PST             6.1           1087         -              Normal
  01/23/2017 12 PM PST             6.0           1070         -              Normal
  01/23/2017 01 PM PST             6.0           1060         -              Normal
  01/23/2017 02 PM PST             6.0           1057         -              Normal
  01/23/2017 03 PM PST             6.0           1060         +              Normal
  01/23/2017 04 PM PST             6.0           1069         +              Normal
  01/23/2017 05 PM PST             6.0           1083         +              Normal
  01/23/2017 06 PM PST             6.1           1093         +              Normal
  01/23/2017 07 PM PST             6.1           1097         +              Normal
  01/23/2017 08 PM PST             6.1           1094         -              Normal
  01/23/2017 09 PM PST             6.1           1086         -              Normal
  01/23/2017 10 PM PST             6.0           1071         -              Normal
  01/23/2017 11 PM PST             5.9           1049         -              Normal
  01/24/2017 12 AM PST             5.9           1032         -              Normal
  01/24/2017 01 AM PST             5.8           1015         -              Normal
  01/24/2017 02 AM PST             5.8           1000         -              Normal
  01/24/2017 03 AM PST             5.7            988         -              Normal
  01/24/2017 04 AM PST             5.7            974         -              Normal
  01/24/2017 05 AM PST             5.6            959         -              Normal
  01/24/2017 06 AM PST             5.6            947         -              Normal
  01/24/2017 07 AM PST             5.6            934         -              Normal
  01/24/2017 08 AM PST             5.5            921         -              Normal
  01/24/2017 09 AM PST             5.5            907         -              Normal
  01/24/2017 10 AM PST             5.4            891         -              Normal
  01/24/2017 11 AM PST             5.4            871         -              Normal
  01/24/2017 12 PM PST             5.3            854         -              Normal
  01/24/2017 01 PM PST             5.3            839         -              Normal
  01/24/2017 02 PM PST             5.2            824         -              Normal
  01/24/2017 03 PM PST             5.2            811         -              Normal
  01/24/2017 04 PM PST             5.1            797         -              Normal
  01/24/2017 05 PM PST             5.0            780         -              Normal
  01/24/2017 06 PM PST             5.0            766         -              Normal
  01/24/2017 07 PM PST             5.0            753         -              Normal
  01/24/2017 08 PM PST             4.9            742         -              Normal
  01/24/2017 09 PM PST             4.9            732         -              Normal
  01/24/2017 10 PM PST             4.8            721         -              Normal
  01/24/2017 11 PM PST             4.8            708         -              Normal
  01/25/2017 12 AM PST             4.8            698         -              Normal
  01/25/2017 01 AM PST             4.7            688         -              Normal
  01/25/2017 02 AM PST             4.7            679         -              Normal
  01/25/2017 03 AM PST             4.7            671         -              Normal
  01/25/2017 04 AM PST             4.6            661         -              Normal
  01/25/2017 05 AM PST             4.6            650         -              Normal
  01/25/2017 06 AM PST             4.5            641         -              Normal
  01/25/2017 07 AM PST             4.5            633         -              Normal
  01/25/2017 08 AM PST             4.5            625         -              Normal
  01/25/2017 09 AM PST             4.5            617         -              Normal
  01/25/2017 10 AM PST             4.4            609         -              Normal
  01/25/2017 11 AM PST             4.4            600         -              Normal
  01/25/2017 12 PM PST             4.4            592         -              Normal
  01/25/2017 01 PM PST             4.3            584         -              Normal
  01/25/2017 02 PM PST             4.3            577         -              Normal
  01/25/2017 03 PM PST             4.3            571         -              Normal
  01/25/2017 04 PM PST             4.2            563         -              Normal
  01/25/2017 05 PM PST             4.2            555         -              Normal
  01/25/2017 06 PM PST             4.2            547         -              Normal
  01/25/2017 07 PM PST             4.2            541         -              Normal
  01/25/2017 08 PM PST             4.1            534         -              Normal
  01/25/2017 09 PM PST             4.1            529         -              Normal
  01/25/2017 10 PM PST             4.1            522         -              Normal
  01/25/2017 11 PM PST             4.1            515         -              Normal
  01/26/2017 12 AM PST             4.1            508         -              Normal
  01/26/2017 01 AM PST             4.0            502         -              Normal
  01/26/2017 02 AM PST             4.0            497         -              Normal
  01/26/2017 03 AM PST             4.0            492         -              Normal
  01/26/2017 04 AM PST             4.0            486         -              Normal

# NOTE 1: Stages are rounded to the nearest tenth (.1) 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/or flow.
# NOTE 4: Maximum Values are determined using unrounded stage and/or flow.