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: Feb 23 2017 at 1:33 PM PSTNext Issuance: Feb 24 2017 at 9:00 AM PST
Monitor Stage: N/A Flood Stage: 16.0 Feet

# Tabular River Observed & Forecast - Hydrograph Information
#
# File Generation Time:  02/23/2017  01:34 PM PST
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/20/2017 07 PM PST
# Maximum Observed Stage:                       11.4 Feet
# Maximum Observed Flow:                        3582 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/23/2017 02 PM PST
# Maximum Forecast Stage:                       3.8 Feet
# Maximum Forecast Flow:                        556 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/18/2017 01 PM PST             6.1           1319                        Normal
  02/18/2017 02 PM PST             5.9           1259         -              Normal
  02/18/2017 03 PM PST             5.8           1195         -              Normal
  02/18/2017 04 PM PST             5.6           1143         -              Normal
  02/18/2017 05 PM PST             5.5           1082         -              Normal
  02/18/2017 06 PM PST             5.4           1060         -              Normal
  02/18/2017 07 PM PST             5.3           1000         -              Normal
  02/18/2017 08 PM PST             5.1            953         -              Normal
  02/18/2017 09 PM PST             5.0            930         -              Normal
  02/18/2017 10 PM PST             4.9            889         -              Normal
  02/18/2017 11 PM PST             4.8            866         -              Normal
  02/19/2017 12 AM PST             4.8            842         -              Normal
  02/19/2017 01 AM PST             4.7            809         -              Normal
  02/19/2017 02 AM PST             4.6            793         -              Normal
  02/19/2017 03 AM PST             4.6            774         -              Normal
  02/19/2017 04 AM PST             4.5            755         -              Normal
  02/19/2017 05 AM PST             4.4            736         -              Normal
  02/19/2017 06 AM PST             4.4            717         -              Normal
  02/19/2017 07 AM PST             4.4            708         -              Normal
  02/19/2017 08 AM PST             4.3            699         -              Normal
  02/19/2017 09 AM PST             4.3            696         -              Normal
  02/19/2017 10 AM PST             4.3            681         -              Normal
  02/19/2017 11 AM PST             4.2            675         -              Normal
  02/19/2017 12 PM PST             4.2            669         -              Normal
  02/19/2017 01 PM PST             4.2            663         -              Normal
  02/19/2017 02 PM PST             4.2            657         -              Normal
  02/19/2017 03 PM PST             4.2            669         +              Normal
  02/19/2017 04 PM PST             4.3            681         +              Normal
  02/19/2017 05 PM PST             4.4            714         +              Normal
  02/19/2017 06 PM PST             4.5            745         +              Normal
  02/19/2017 07 PM PST             4.5            761         +              Normal
  02/19/2017 08 PM PST             4.5            764         +              Normal
  02/19/2017 09 PM PST             4.5            764         0              Normal
  02/19/2017 10 PM PST             4.5            752         -              Normal
  02/19/2017 11 PM PST             4.5            752         0              Normal
  02/20/2017 12 AM PST             4.4            736         -              Normal
  02/20/2017 01 AM PST             4.5            761         +              Normal
  02/20/2017 02 AM PST             4.6            796         +              Normal
  02/20/2017 03 AM PST             5.2            973         +              Normal
  02/20/2017 04 AM PST             6.3           1387         +              Normal
  02/20/2017 05 AM PST             7.9           2015         +              Normal
  02/20/2017 06 AM PST             8.7           2343         +              Normal
  02/20/2017 07 AM PST             9.0           2483         +              Normal
  02/20/2017 08 AM PST             9.1           2518         +              Normal
  02/20/2017 09 AM PST             9.2           2553         +              Normal
  02/20/2017 10 AM PST             9.3           2619         +              Normal
  02/20/2017 11 AM PST             9.5           2690         +              Normal
  02/20/2017 12 PM PST             9.6           2729         +              Normal
  02/20/2017 01 PM PST             9.8           2814         +              Normal
  02/20/2017 02 PM PST            10.1           2972         +              Normal
  02/20/2017 03 PM PST            10.3           3083         +              Normal
  02/20/2017 04 PM PST            10.5           3169         +              Normal
  02/20/2017 05 PM PST            10.9           3356         +              Normal
  02/20/2017 06 PM PST            11.2           3488         +              Normal
  02/20/2017 07 PM PST            11.4           3582         +              Normal
  02/20/2017 08 PM PST            11.2           3488         -              Normal
  02/20/2017 09 PM PST            10.8           3289         -              Normal
  02/20/2017 10 PM PST            10.2           3035         -              Normal
  02/20/2017 11 PM PST             9.8           2809         -              Normal
  02/21/2017 12 AM PST             9.4           2667         -              Normal
  02/21/2017 01 AM PST             9.1           2509         -              Normal
  02/21/2017 02 AM PST             8.8           2403         -              Normal
  02/21/2017 03 AM PST             8.6           2311         -              Normal
  02/21/2017 04 AM PST             8.5           2271         -              Normal
  02/21/2017 05 AM PST             8.4           2215         -              Normal
  02/21/2017 06 AM PST             8.1           2115         -              Normal
  02/21/2017 07 AM PST             7.9           2027         -              Normal
  02/21/2017 08 AM PST             7.7           1923         -              Normal
  02/21/2017 09 AM PST             7.4           1839         -              Normal
  02/21/2017 10 AM PST             7.3           1760         -              Normal
  02/21/2017 11 AM PST             7.0           1666         -              Normal
  02/21/2017 12 PM PST             6.8           1594         -              Normal
  02/21/2017 01 PM PST             6.5           1499         -              Normal
  02/21/2017 02 PM PST             6.4           1448         -              Normal
  02/21/2017 03 PM PST             6.5           1471         +              Normal
  02/21/2017 04 PM PST             6.4           1444         -              Normal
  02/21/2017 05 PM PST             6.3           1382         -              Normal
  02/21/2017 06 PM PST             6.2           1344         -              Normal
  02/21/2017 07 PM PST             6.1           1312         -              Normal
  02/21/2017 08 PM PST             6.3           1374         +              Normal
  02/21/2017 09 PM PST             6.2           1351         -              Normal
  02/21/2017 10 PM PST             6.1           1319         -              Normal
  02/21/2017 11 PM PST             6.1           1319         0              Normal
  02/22/2017 12 AM PST             5.9           1239         -              Normal
  02/22/2017 01 AM PST             5.8           1207         -              Normal
  02/22/2017 02 AM PST             5.7           1169         -              Normal
  02/22/2017 03 AM PST             5.6           1132         -              Normal
  02/22/2017 04 AM PST             5.6           1111         -              Normal
  02/22/2017 05 AM PST             5.5           1075         -              Normal
  02/22/2017 06 AM PST             5.4           1057         -              Normal
  02/22/2017 07 AM PST             5.3           1028         -              Normal
  02/22/2017 08 AM PST             5.2            996         -              Normal
  02/22/2017 09 AM PST             5.1            953         -              Normal
  02/22/2017 10 AM PST             5.1            936         -              Normal
  02/22/2017 11 AM PST             5.0            917         -              Normal
  02/22/2017 12 PM PST             4.9            889         -              Normal
  02/22/2017 01 PM PST             4.9            876         -              Normal
  02/22/2017 02 PM PST             4.8            866         -              Normal
  02/22/2017 03 PM PST             4.8            846         -              Normal
  02/22/2017 04 PM PST             4.7            823         -              Normal
  02/22/2017 05 PM PST             4.7            806         -              Normal
  02/22/2017 06 PM PST             4.6            790         -              Normal
  02/22/2017 07 PM PST             4.6            774         -              Normal
  02/22/2017 08 PM PST             4.5            761         -              Normal
  02/22/2017 09 PM PST             4.5            748         -              Normal
  02/22/2017 10 PM PST             4.4            733         -              Normal
  02/22/2017 11 PM PST             4.4            714         -              Normal
  02/23/2017 12 AM PST             4.3            705         -              Normal
  02/23/2017 01 AM PST             4.3            690         -              Normal
  02/23/2017 02 AM PST             4.2            675         -              Normal
  02/23/2017 03 AM PST             4.2            666         -              Normal
  02/23/2017 04 AM PST             4.2            657         -              Normal
  02/23/2017 05 AM PST             4.1            645         -              Normal
  02/23/2017 06 AM PST             4.1            637         -              Normal
  02/23/2017 07 AM PST             4.1            625         -              Normal
  02/23/2017 08 AM PST             4.0            614         -              Normal
  02/23/2017 09 AM PST             4.0            603         -              Normal
  02/23/2017 10 AM PST             4.0            591         -              Normal
  02/23/2017 11 AM PST             3.9            579         -              Normal
  02/23/2017 12 PM PST             3.9            570         -              Normal
  02/23/2017 01 PM PST             3.9            563         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/23/2017 02 PM PST             3.8            556                        Normal
  02/23/2017 03 PM PST             3.8            550         -              Normal
  02/23/2017 04 PM PST             3.8            545         -              Normal
  02/23/2017 05 PM PST             3.8            539         -              Normal
  02/23/2017 06 PM PST             3.8            532         -              Normal
  02/23/2017 07 PM PST             3.7            525         -              Normal
  02/23/2017 08 PM PST             3.7            520         -              Normal
  02/23/2017 09 PM PST             3.7            515         -              Normal
  02/23/2017 10 PM PST             3.7            511         -              Normal
  02/23/2017 11 PM PST             3.7            505         -              Normal
  02/24/2017 12 AM PST             3.7            499         -              Normal
  02/24/2017 01 AM PST             3.6            494         -              Normal
  02/24/2017 02 AM PST             3.6            489         -              Normal
  02/24/2017 03 AM PST             3.6            485         -              Normal
  02/24/2017 04 AM PST             3.6            481         -              Normal
  02/24/2017 05 AM PST             3.6            477         -              Normal
  02/24/2017 06 AM PST             3.6            471         -              Normal
  02/24/2017 07 AM PST             3.6            466         -              Normal
  02/24/2017 08 AM PST             3.5            462         -              Normal
  02/24/2017 09 AM PST             3.5            459         -              Normal
  02/24/2017 10 AM PST             3.5            456         -              Normal
  02/24/2017 11 AM PST             3.5            452         -              Normal
  02/24/2017 12 PM PST             3.5            448         -              Normal
  02/24/2017 01 PM PST             3.5            444         -              Normal
  02/24/2017 02 PM PST             3.5            443         -              Normal
  02/24/2017 03 PM PST             3.5            443         0              Normal
  02/24/2017 04 PM PST             3.5            441         -              Normal
  02/24/2017 05 PM PST             3.5            439         -              Normal
  02/24/2017 06 PM PST             3.5            437         -              Normal
  02/24/2017 07 PM PST             3.5            433         -              Normal
  02/24/2017 08 PM PST             3.4            430         -              Normal
  02/24/2017 09 PM PST             3.4            428         -              Normal
  02/24/2017 10 PM PST             3.4            425         -              Normal
  02/24/2017 11 PM PST             3.4            423         -              Normal
  02/25/2017 12 AM PST             3.4            420         -              Normal
  02/25/2017 01 AM PST             3.4            418         -              Normal
  02/25/2017 02 AM PST             3.4            415         -              Normal
  02/25/2017 03 AM PST             3.4            412         -              Normal
  02/25/2017 04 AM PST             3.4            410         -              Normal
  02/25/2017 05 AM PST             3.4            408         -              Normal
  02/25/2017 06 AM PST             3.4            406         -              Normal
  02/25/2017 07 AM PST             3.4            404         -              Normal
  02/25/2017 08 AM PST             3.4            402         -              Normal
  02/25/2017 09 AM PST             3.3            400         -              Normal
  02/25/2017 10 AM PST             3.3            399         -              Normal
  02/25/2017 11 AM PST             3.3            397         -              Normal
  02/25/2017 12 PM PST             3.3            396         -              Normal
  02/25/2017 01 PM PST             3.3            392         -              Normal
  02/25/2017 02 PM PST             3.3            388         -              Normal
  02/25/2017 03 PM PST             3.3            385         -              Normal
  02/25/2017 04 PM PST             3.3            382         -              Normal
  02/25/2017 05 PM PST             3.3            379         -              Normal
  02/25/2017 06 PM PST             3.3            376         -              Normal
  02/25/2017 07 PM PST             3.3            373         -              Normal
  02/25/2017 08 PM PST             3.2            370         -              Normal
  02/25/2017 09 PM PST             3.2            367         -              Normal
  02/25/2017 10 PM PST             3.2            364         -              Normal
  02/25/2017 11 PM PST             3.2            361         -              Normal
  02/26/2017 12 AM PST             3.2            358         -              Normal
  02/26/2017 01 AM PST             3.2            355         -              Normal
  02/26/2017 02 AM PST             3.2            352         -              Normal
  02/26/2017 03 AM PST             3.2            349         -              Normal
  02/26/2017 04 AM PST             3.2            346         -              Normal
  02/26/2017 05 AM PST             3.2            343         -              Normal
  02/26/2017 06 AM PST             3.1            340         -              Normal
  02/26/2017 07 AM PST             3.1            337         -              Normal
  02/26/2017 08 AM PST             3.1            334         -              Normal
  02/26/2017 09 AM PST             3.1            331         -              Normal
  02/26/2017 10 AM PST             3.1            328         -              Normal
  02/26/2017 11 AM PST             3.1            325         -              Normal
  02/26/2017 12 PM PST             3.1            322         -              Normal
  02/26/2017 01 PM PST             3.1            319         -              Normal
  02/26/2017 02 PM PST             3.1            316         -              Normal
  02/26/2017 03 PM PST             3.0            314         -              Normal
  02/26/2017 04 PM PST             3.0            311         -              Normal
  02/26/2017 05 PM PST             3.0            309         -              Normal
  02/26/2017 06 PM PST             3.0            306         -              Normal
  02/26/2017 07 PM PST             3.0            304         -              Normal
  02/26/2017 08 PM PST             3.0            302         -              Normal
  02/26/2017 09 PM PST             3.0            300         -              Normal
  02/26/2017 10 PM PST             3.0            299         -              Normal
  02/26/2017 11 PM PST             3.0            298         -              Normal
  02/27/2017 12 AM PST             3.0            296         -              Normal
  02/27/2017 01 AM PST             3.0            295         -              Normal
  02/27/2017 02 AM PST             3.0            293         -              Normal
  02/27/2017 03 AM PST             3.0            292         -              Normal
  02/27/2017 04 AM PST             3.0            290         -              Normal
  02/27/2017 05 AM PST             2.9            288         -              Normal
  02/27/2017 06 AM PST             2.9            287         -              Normal
  02/27/2017 07 AM PST             2.9            285         -              Normal
  02/27/2017 08 AM PST             2.9            283         -              Normal
  02/27/2017 09 AM PST             2.9            281         -              Normal
  02/27/2017 10 AM PST             2.9            279         -              Normal
  02/27/2017 11 AM PST             2.9            278         -              Normal
  02/27/2017 12 PM PST             2.9            276         -              Normal
  02/27/2017 01 PM PST             2.9            274         -              Normal
  02/27/2017 02 PM PST             2.9            273         -              Normal
  02/27/2017 03 PM PST             2.9            271         -              Normal
  02/27/2017 04 PM PST             2.9            269         -              Normal
  02/27/2017 05 PM PST             2.9            267         -              Normal
  02/27/2017 06 PM PST             2.9            266         -              Normal
  02/27/2017 07 PM PST             2.9            264         -              Normal
  02/27/2017 08 PM PST             2.8            262         -              Normal
  02/27/2017 09 PM PST             2.8            261         -              Normal
  02/27/2017 10 PM PST             2.8            259         -              Normal
  02/27/2017 11 PM PST             2.8            258         -              Normal
  02/28/2017 12 AM PST             2.8            256         -              Normal
  02/28/2017 01 AM PST             2.8            255         -              Normal
  02/28/2017 02 AM PST             2.8            253         -              Normal
  02/28/2017 03 AM PST             2.8            252         -              Normal
  02/28/2017 04 AM PST             2.8            250         -              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.