Henry 06Z temperature
1993       -   -40.6   -50.8   -56.4   -56.0   -58.3   -58.3       -       -       -   -36.2   -26.4
1994   -26.0   -41.3   -52.0   -55.8   -56.8   -52.9   -58.3       -       -       -   -35.9   -26.4
1995   -28.2   -39.0   -50.5   -56.7   -58.0   -56.5   -53.0   -59.1       -       -   -35.8   -23.6
1996   -27.1   -35.8   -54.3   -54.2   -59.7   -58.1   -53.1   -51.3       -       -   -33.8   -23.5
1997   -26.5   -40.5   -52.4   -55.4   -57.3   -55.5   -63.5   -58.1       -       -   -32.3   -24.4
1998   -25.4   -36.4   -51.6   -60.1   -56.5   -54.5   -57.3   -60.2       -       -   -35.2   -25.0
1999   -23.5   -38.7   -53.3   -58.6   -56.3   -56.0   -60.5   -54.7       -       -   -36.7   -27.8
2000   -27.1   -40.3   -54.4   -59.9   -57.5   -56.9   -59.5   -58.9       -       -   -31.9   -24.2
2001   -25.5   -38.9   -54.0   -57.8   -57.4   -55.6   -57.9   -61.5       -       -   -32.4   -23.7
2002   -23.3   -38.7   -47.5   -52.2   -54.3   -58.6   -53.0   -55.2       -       -   -36.3   -26.9
2003       -       -       -       -       -       -   -61.6       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -   -37.4   -51.1   -53.2   -57.5       -   -60.2       -       -       -   -35.4   -21.0
2006   -24.9       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -