ISPRA  National Institute for Environmental Protection and Research
National System for Environmental Protection

Istituto Superiore per la Protezione
e la Ricerca Ambientale

DATA ARCHIVE
NATIONAL TIDEGAUGE NETWORK
LEVELLING
SUMMARY OF ELLIPSOIDAL HEIGHTS
PRE-NTN DATA
Data collected by stations existing prior to the creation of the NTN and managed by Local Hydrographic Services. Only LI (sea level) is available. The collection of these data started in different years. The level reference is not unique.
ANCONA
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
BARI
1979 LEVEL
1980 LEVEL
1981 LEVEL
1982 LEVEL
1983 LEVEL
1984 LEVEL
1985 LEVEL
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
CAGLIARI
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
CARLOFORTE
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
CATANIA
1971 LEVEL
1972 LEVEL
1973 LEVEL
1974 LEVEL
1975 LEVEL
1976 LEVEL
1977 LEVEL
1978 LEVEL
1979 LEVEL
1980 LEVEL
1981 LEVEL
1982 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
CIVITAVECCHIA
1973 LEVEL
1974 LEVEL
1975 LEVEL
1976 LEVEL
1977 LEVEL
1978 LEVEL
1979 LEVEL
1980 LEVEL
1981 LEVEL
1982 LEVEL
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
CROTONE
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
IMPERIA
1986 LEVEL
1987 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
LIVORNO
1972 LEVEL
1973 LEVEL
1974 LEVEL
1975 LEVEL
1976 LEVEL
1978 LEVEL
1979 LEVEL
1980 LEVEL
1981 LEVEL
1982 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
MESSINA
1973 LEVEL
1974 LEVEL
1975 LEVEL
1976 LEVEL
1977 LEVEL
1978 LEVEL
1979 LEVEL
1980 LEVEL
1981 LEVEL
1982 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
NAPOLI
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
ORTONA
1996 LEVEL
1997 LEVEL
1998 LEVEL
OTRANTO
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
PALERMO
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
PALINURO
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
PORTO EMPEDOCLE
1973 LEVEL
1974 LEVEL
1975 LEVEL
1976 LEVEL
1977 LEVEL
1978 LEVEL
PORTO TORRES
1985 LEVEL
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1998 LEVEL
RAVENNA
1975 LEVEL
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
SALERNO
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
TARANTO
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
TRIESTE
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
VENEZIA
1986 LEVEL
1987 LEVEL
1988 LEVEL
1989 LEVEL
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
1994 LEVEL
1995 LEVEL
1996 LEVEL
1997 LEVEL
1998 LEVEL
VIESTE
1990 LEVEL
1991 LEVEL
1992 LEVEL
1993 LEVEL
AVAILABLE DATA SUMMARY
TIDAL ANALYSIS AND PARAMETRIC PROCESSING
AIR AND WATER TEMPERATURE, ATMOSPHERIC PRESSURE AND LEVEL: AVERAGE DAILY VALUES
YEAR 2001
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
FREQUENCY, AMPLITUDE AND PHASE OF TIDE COMPONENTS
YEAR 2001
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
HIGH AND LOW TIDES FORECASTS
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
YEAR 2015
LEVEL GRAPHICS WITH BLOOMFIELD FILTER: DAILY AVERAGE VALUES
YEAR 2001
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
LEVEL WITH BLOOMFIELD FILTER: AVERAGE MONTHLY AND ANNUAL VALUES
YEAR 2001
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
LEVEL WITH BLOOMFIELD FILTER: DAILY AVERAGE VALUES
YEAR 2001
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
LEVEL, ATMOSPHERIC PRESSURE AND AIR TEMPERATURE: HOURLY VALUES
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014
WIND: DISTRIBUTION BY SPEED AND DIRECTION CLASSES
YEAR 2001
YEAR 2002
YEAR 2003
YEAR 2004
YEAR 2005
YEAR 2006
YEAR 2007
YEAR 2008
YEAR 2009
YEAR 2010
YEAR 2011
YEAR 2012
YEAR 2013
YEAR 2014

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