Column headings -

Year - Year
Month - Month (numeric)
Hour - Hour (24 hour clock)
Minute - Minute
Decimal Year - Decimal Year
Tupper(t) – in situ temperature at time t at upper trestle (⁰ C)
Tlower(t) – in situ temperature at time t at lower trestle (⁰ C)
H(t) – height of the tide at Tobermory at time t (m)
Tair(t) – air temperature at Stornoway airport (⁰ C). Ten minute values interpolated from hourly values in original data.
Sun(t) – duration of sunshine at Stornoway airport (hours). Ten minute values interpolated from hourly values in original data.