Hi_Priestley_Gl 00Z pressure
1991   767.5   770.3   760.3   765.5   760.2   767.8   764.5   761.5   758.9   755.1   764.8   776.7
1992   772.0   773.8   764.4   760.6   764.7   769.2   761.6   764.3   752.0   755.6       -       -
1993       -       -       -       -       -       -       -       -       -       -   761.0   766.7
1994   769.1   763.2   755.9   762.5   756.9   771.4   765.4   749.8   764.4   756.9       -       -
1995       -       -       -       -       -   763.9       -       -       -       -       -       -
1996   768.4   769.5   764.4   759.9   757.3   756.7   760.2   762.7   764.2   750.0   768.6   768.8
1997   770.7   768.5   758.7   760.3   751.8   763.1   754.0       -       -       -       -   771.8
1998   767.1   764.7   757.8   753.3   758.6   756.1   755.4   754.7   759.2   758.9   756.2   766.7
1999   767.1   767.2   761.5   753.7   753.2   769.7   756.1   758.0   757.9   749.2   755.8   758.9
2000   761.6   764.0   761.6   760.4   759.0   762.7   762.5   762.0   766.8   752.7   763.0   774.1
2001   771.8   768.7   763.1   757.1       -       -       -       -       -   752.6   757.3   762.4
2002   768.7   761.6   768.6   759.3   767.7   768.9   765.3   756.8   762.6   763.5   762.5   762.1
2003   774.0   769.3   761.7   755.0   757.5   767.8   759.3   756.2   756.8   754.2   760.0   774.6
2004       -       -       -       -       -       -       -       -       -       -       -   773.6
2005   769.7   761.1   761.3   757.0   761.3   765.1   758.2   754.7   757.9       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -