Henry 00Z temperature
1993       -   -40.7   -50.4   -56.5   -56.0   -58.7   -58.1       -       -       -   -36.0   -26.2
1994   -25.8   -41.3   -52.2   -55.1   -56.9   -53.0   -58.4       -       -       -   -36.1   -26.3
1995   -28.3   -38.6   -50.0   -56.3   -58.0   -56.1   -53.1   -59.3       -       -   -36.0   -23.9
1996   -27.2   -35.7   -54.1   -54.0   -59.9   -58.1   -53.4   -51.8       -       -   -33.5   -23.4
1997   -26.2   -40.7   -51.9   -55.5   -57.2   -55.1   -63.8   -58.2       -       -   -32.4   -24.5
1998   -25.5   -35.9   -51.3   -60.1   -56.7   -55.0   -57.4   -60.2       -       -   -35.6   -24.9
1999   -23.4   -38.7   -53.2   -58.6   -56.3   -56.0   -60.7   -54.7       -       -   -37.1   -27.4
2000   -27.0   -40.3   -54.4   -59.4   -57.9   -57.1   -60.0   -58.9       -       -   -31.8   -24.2
2001   -25.7   -38.6   -54.1   -57.4   -56.7   -55.2   -57.9   -61.4       -       -   -32.3   -23.7
2002   -23.3   -38.6   -47.6   -52.2   -54.3   -58.8   -53.2   -55.8       -       -   -36.4   -27.3
2003       -       -       -       -       -   -61.4   -62.0       -       -       -       -       -
2004       -       -       -       -       -       -   -64.8       -       -       -       -       -
2005   -22.5   -37.9   -50.8   -53.6   -57.1   -56.8   -59.8       -       -       -   -36.5   -21.3
2006   -24.9       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -