62°02'N 103°52'W '

Reference: Jacoby and D'Arrigo, 1989; D'Arrigo and Jacoby, 1992; 1993

Proxy Type: tree-ring widths

Standardized climate record reflecting surface air temperature. Red indicates temperatures greater than one standard deviation warmer than average for the reference period (1901-1960), whereas dark blue indicates at least one standard deviation colder than this average. All series presented as five-year averages (see paper for more explanation).