PLOT v/Z59Y-RA · version 1 · reviewed by a person
Chlorophyll a, annual mean: Hobsons Bay and Central Port Phillip Bay
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 ↑ Chlorophyll a (µg/L) 1985 1990 1995 2000 2005 2010 2015 2020 2025 Year → Central
date: 1984
Chlorophyll a (µg/L): 0.701666666667 (partly missing) Central
date: 1985
Chlorophyll a (µg/L): 1.05285714286 Central
date: 1986
Chlorophyll a (µg/L): 1.01090909091 (partly missing) Central
date: 1987
Chlorophyll a (µg/L): 0.4025 (partly missing) Central
date: 1988
Chlorophyll a (µg/L): 1.26166666667 Central
date: 1989
Chlorophyll a (µg/L): 1.04666666667 Central
date: 1990
Chlorophyll a (µg/L): 1.04555555556 Central
date: 1991
Chlorophyll a (µg/L): 0.77 Central
date: 1992
Chlorophyll a (µg/L): 0.65625 Central
date: 1993
Chlorophyll a (µg/L): 1.288 Central
date: 1994
Chlorophyll a (µg/L): 0.452 Central
date: 1995
Chlorophyll a (µg/L): 0.817142857143 Central
date: 1996
Chlorophyll a (µg/L): 0.828571428571 Central
date: 1997
Chlorophyll a (µg/L): 0.764 (partly missing) Central
date: 1998
Chlorophyll a (µg/L): 0.533 (partly missing) Central
date: 1999
Chlorophyll a (µg/L): 0.8014 Central
date: 2000
Chlorophyll a (µg/L): 0.838966666667 Central
date: 2001
Chlorophyll a (µg/L): 1.0285125 Central
date: 2002
Chlorophyll a (µg/L): 0.8237 Central
date: 2003
Chlorophyll a (µg/L): 0.62205 Central
date: 2004
Chlorophyll a (µg/L): 0.601371428571 Central
date: 2005
Chlorophyll a (µg/L): 0.5829 Central
date: 2006
Chlorophyll a (µg/L): 0.691433333333 Central
date: 2007
Chlorophyll a (µg/L): 0.6066325 Central
date: 2008
Chlorophyll a (µg/L): 0.791366666667 Central
date: 2009
Chlorophyll a (µg/L): 0.60865 Central
date: 2010
Chlorophyll a (µg/L): 0.789491666667 Central
date: 2011
Chlorophyll a (µg/L): 1.78145833333 Central
date: 2012
Chlorophyll a (µg/L): 0.870409090909 Central
date: 2013
Chlorophyll a (µg/L): 0.790342857143 Central
date: 2014
Chlorophyll a (µg/L): 0.533333333333 (partly missing) Central
date: 2015
Chlorophyll a (µg/L): 0.403333333333 (partly missing) Central
date: 2016
Chlorophyll a (µg/L): 0.655555555556 (partly missing) Central
date: 2017
Chlorophyll a (µg/L): 0.744444444444 (partly missing) Central
date: 2018
Chlorophyll a (µg/L): 0.328571428571 (partly missing) Central
date: 2019
Chlorophyll a (µg/L): 0.461538461538 Central
date: 2020
Chlorophyll a (µg/L): 0.766666666667 Central
date: 2021
Chlorophyll a (µg/L): 1.0375 Central
date: 2022
Chlorophyll a (µg/L): 0.654545454545 Central
date: 2023
Chlorophyll a (µg/L): 0.633333333333 Central
date: 2024
Chlorophyll a (µg/L): 0.333333333333 Central
date: 2025
Chlorophyll a (µg/L): 0.485714285714 Central
date: 2026
Chlorophyll a (µg/L): 0.7 Central Hobsons Bay
date: 1984
Chlorophyll a (µg/L): 1.89 (partly missing) Hobsons Bay
date: 1985
Chlorophyll a (µg/L): 1.82307692308 Hobsons Bay
date: 1986
Chlorophyll a (µg/L): 1.96181818182 (partly missing) Hobsons Bay
date: 1987
Chlorophyll a (µg/L): 1.81 (partly missing) Hobsons Bay
date: 1988
Chlorophyll a (µg/L): 2.58166666667 Hobsons Bay
date: 1989
Chlorophyll a (µg/L): 3.00125 Hobsons Bay
date: 1990
Chlorophyll a (µg/L): 3.32111111111 Hobsons Bay
date: 1991
Chlorophyll a (µg/L): 2.555 Hobsons Bay
date: 1992
Chlorophyll a (µg/L): 3.88125 Hobsons Bay
date: 1993
Chlorophyll a (µg/L): 2.238 Hobsons Bay
date: 1994
Chlorophyll a (µg/L): 1.679 Hobsons Bay
date: 1995
Chlorophyll a (µg/L): 3.34285714286 Hobsons Bay
date: 1996
Chlorophyll a (µg/L): 2.37285714286 Hobsons Bay
date: 1997
Chlorophyll a (µg/L): 2.215 Hobsons Bay
date: 1998
Chlorophyll a (µg/L): 1.98818181818 Hobsons Bay
date: 1999
Chlorophyll a (µg/L): 2.65923636364 Hobsons Bay
date: 2000
Chlorophyll a (µg/L): 2.82641666667 Hobsons Bay
date: 2001
Chlorophyll a (µg/L): 2.9919625 Hobsons Bay
date: 2002
Chlorophyll a (µg/L): 2.60474 Hobsons Bay
date: 2003
Chlorophyll a (µg/L): 1.47013333333 (partly missing) Hobsons Bay
date: 2004
Chlorophyll a (µg/L): 2.3595875 Hobsons Bay
date: 2005
Chlorophyll a (µg/L): 1.509675 Hobsons Bay
date: 2006
Chlorophyll a (µg/L): 2.5153 Hobsons Bay
date: 2007
Chlorophyll a (µg/L): 1.59147 Hobsons Bay
date: 2008
Chlorophyll a (µg/L): 1.34138333333 (partly missing) Hobsons Bay
date: 2009
Chlorophyll a (µg/L): 1.491425 Hobsons Bay
date: 2010
Chlorophyll a (µg/L): 2.28265833333 Hobsons Bay
date: 2011
Chlorophyll a (µg/L): 3.00794166667 Hobsons Bay
date: 2012
Chlorophyll a (µg/L): 2.09894545455 Hobsons Bay
date: 2013
Chlorophyll a (µg/L): 2.14958571429 Hobsons Bay
date: 2014
Chlorophyll a (µg/L): 2.15 (partly missing) Hobsons Bay
date: 2015
Chlorophyll a (µg/L): 0.72 (partly missing) Hobsons Bay
date: 2016
Chlorophyll a (µg/L): 1.05833333333 (partly missing) Hobsons Bay
date: 2017
Chlorophyll a (µg/L): 1.41111111111 (partly missing) Hobsons Bay
date: 2018
Chlorophyll a (µg/L): 1.07142857143 (partly missing) Hobsons Bay
date: 2019
Chlorophyll a (µg/L): 0.938461538462 Hobsons Bay
date: 2020
Chlorophyll a (µg/L): 1.2 (partly missing) Hobsons Bay
date: 2021
Chlorophyll a (µg/L): 1.8375 Hobsons Bay
date: 2022
Chlorophyll a (µg/L): 1.9 Hobsons Bay
date: 2023
Chlorophyll a (µg/L): 0.955555555556 Hobsons Bay
date: 2024
Chlorophyll a (µg/L): 0.4 Hobsons Bay
date: 2025
Chlorophyll a (µg/L): 1.3 Hobsons Bay
date: 2026
Chlorophyll a (µg/L): 1.13333333333 Hobsons Bay
Partly missing (the mean covers only the rows with a value): Central, 1984, 1 of its rows have no value; Central, 1986, 1 of its rows have no value; Central, 1987, 2 of its rows have no value; Central, 1997, 1 of its rows have no value; Central, 1998, 1 of its rows have no value; Central, 2014, 6 of its rows have no value; Central, 2015, 6 of its rows have no value; Central, 2016, 9 of its rows have no value; and 13 more (all listed in the numbers). Rows are combined by mean for each calendar year of date and site_name_short. 1613 rows left out by the filter: site_name_short is Hobsons Bay or Central.
Source: EPA Victoria (EPA Water Sciences), Port Phillip Bay Water Quality Data 1984–2026, sheet Data (CC-BY-4.0).
Cite as: PLOT chart v/Z59Y-RA (version 1), Chlorophyll a, annual mean: Hobsons Bay and Central Port Phillip Bay. Data: EPA Victoria (EPA Water Sciences), Port Phillip Bay Water Quality Data 1984–2026, sheet Data (PLOT source s/CW7R-1A)
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