Hi_Priestley_Gl 12Z pressure
1991   767.3   770.5   760.5   765.4   760.1   767.7   764.7   761.0   759.1   755.6   765.5   776.9
1992   771.9   774.0   764.1   760.6   764.7   769.7   761.4   764.3   752.5   756.3       -       -
1993   778.4   764.0       -       -       -       -       -       -       -       -   761.1   766.9
1994   769.3   763.4   756.2   762.3   757.6   771.0   765.0   749.9   764.9   757.3       -       -
1995       -       -       -       -       -       -       -       -       -       -       -       -
1996   768.8   769.3   764.8   759.4   757.3   756.7   760.3   763.1   764.3   750.4   768.9   768.9
1997   770.9   768.5   758.6   760.5   752.1   762.9   753.9       -       -       -       -   771.6
1998   766.9   765.0   758.3   753.4   758.7   756.2   755.3   754.6   759.4   759.0   756.4   766.8
1999   767.0   767.7   761.2   753.8   753.7   769.6   755.9   757.8   757.9   749.3   756.3   759.1
2000   762.0   763.7   762.0   760.3   759.2   762.4   762.9   762.5   766.7   752.9   763.5   774.2
2001   771.8   768.9   763.2   757.6       -       -       -       -       -       -   757.4   762.7
2002   768.7   761.7   768.7   759.1   768.2   768.2   765.3   756.8   763.1   763.8   762.5   762.3
2003   773.9   769.5   761.6   755.1   757.9   767.4   759.4   756.0   757.3   755.0   760.2   774.6
2004       -       -       -       -       -       -       -       -       -       -       -   773.9
2005   769.6   761.5   761.5   757.2   761.2   765.1   758.9   754.6   759.0       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -