# Our calculation from IGRF-14 (1900 on) and COV-OBS.x2 (1859.67, degree 14). cd = centred-dipole latitude; apex = apex latitude of the traced field line. Degrees.
epoch,Key West cd,Key West apex,Miami cd,Miami apex,New Port Richey cd,New Port Richey apex,Orlando cd,Orlando apex,Chiefland cd,Chiefland apex,Jacksonville cd,Jacksonville apex,Tallahassee cd,Tallahassee apex,Pensacola cd,Pensacola apex
1859.67,35.32,34.13,36.6,35.81,38.91,38.2,39.29,38.78,40.13,39.59,41.06,40.79,41.0,40.45,40.75,39.89
1900.0,35.48,34.97,36.74,36.6,39.09,38.96,39.45,39.52,40.3,40.33,41.22,41.48,41.19,41.19,40.97,40.68
1905.0,35.48,35.27,36.75,36.89,39.09,39.23,39.46,39.78,40.31,40.58,41.23,41.72,41.19,41.43,40.97,40.92
1910.0,35.5,35.67,36.77,37.27,39.11,39.58,39.48,40.13,40.32,40.91,41.24,42.05,41.21,41.75,40.99,41.24
1915.0,35.51,36.09,36.78,37.67,39.12,39.95,39.49,40.49,40.33,41.27,41.25,42.39,41.21,42.1,41.0,41.58
1920.0,35.51,36.43,36.78,37.99,39.12,40.24,39.49,40.78,40.33,41.55,41.26,42.66,41.21,42.36,40.99,41.84
1921.37,35.51,36.49,36.78,38.05,39.12,40.3,39.49,40.84,40.33,41.6,41.25,42.71,41.21,42.41,40.99,41.89
1925.0,35.51,36.67,36.78,38.22,39.12,40.45,39.49,40.98,40.33,41.74,41.25,42.84,41.21,42.55,40.99,42.02
1930.0,35.53,36.9,36.81,38.43,39.14,40.65,39.51,41.18,40.36,41.93,41.28,43.02,41.24,42.73,41.01,42.21
1935.0,35.57,37.1,36.84,38.63,39.18,40.83,39.55,41.35,40.39,42.1,41.32,43.18,41.27,42.9,41.05,42.37
1940.0,35.61,37.2,36.88,38.72,39.21,40.92,39.58,41.44,40.43,42.19,41.35,43.26,41.31,42.98,41.09,42.46
1945.0,35.61,37.17,36.88,38.68,39.21,40.88,39.58,41.4,40.43,42.15,41.35,43.22,41.31,42.94,41.09,42.42
1950.0,35.62,37.1,36.89,38.6,39.23,40.81,39.6,41.32,40.45,42.08,41.37,43.14,41.33,42.88,41.11,42.37
1955.0,35.64,37.05,36.91,38.53,39.25,40.76,39.62,41.26,40.47,42.02,41.39,43.07,41.35,42.83,41.14,42.35
1960.0,35.61,36.93,36.87,38.38,39.22,40.63,39.59,41.11,40.44,41.89,41.36,42.92,41.32,42.7,41.12,42.24
1965.0,35.6,36.85,36.87,38.28,39.22,40.55,39.58,41.01,40.44,41.81,41.35,42.82,41.32,42.64,41.12,42.21
1970.0,35.56,36.7,36.82,38.1,39.18,40.39,39.54,40.83,40.4,41.64,41.31,42.63,41.29,42.48,41.09,42.09
1975.0,35.48,36.54,36.74,37.9,39.1,40.2,39.46,40.63,40.32,41.45,41.23,42.42,41.21,42.3,41.02,41.94
1980.0,35.38,36.5,36.63,37.82,39.0,40.13,39.36,40.53,40.22,41.36,41.13,42.31,41.11,42.22,40.92,41.9
1985.0,35.22,36.39,36.47,37.67,38.84,40.0,39.2,40.37,40.06,41.22,40.97,42.14,40.96,42.1,40.77,41.81
1989.2,35.09,36.28,36.35,37.54,38.72,39.89,39.07,40.24,39.93,41.1,40.84,42.0,40.83,41.99,40.65,41.74
1990.0,35.07,36.26,36.32,37.51,38.69,39.86,39.04,40.21,39.91,41.08,40.82,41.97,40.81,41.97,40.63,41.72
1995.0,34.9,36.13,36.15,37.34,38.52,39.72,38.87,40.04,39.74,40.93,40.65,41.8,40.64,41.83,40.47,41.63
2000.0,34.69,35.92,35.94,37.09,38.32,39.49,38.66,39.79,39.53,40.69,40.44,41.54,40.44,41.61,40.27,41.45
2003.83,34.54,35.72,35.79,36.87,38.17,39.29,38.52,39.58,39.39,40.48,40.29,41.31,40.3,41.41,40.13,41.27
2005.0,34.5,35.66,35.74,36.8,38.12,39.23,38.47,39.51,39.34,40.42,40.24,41.24,40.25,41.35,40.09,41.22
2010.0,34.25,35.34,35.49,36.44,37.88,38.9,38.22,39.15,39.1,40.09,39.99,40.88,40.01,41.03,39.85,40.95
2015.0,33.97,34.96,35.2,36.03,37.6,38.52,37.94,38.75,38.82,39.71,39.71,40.48,39.74,40.68,39.59,40.64
2020.0,33.7,34.55,34.93,35.58,37.33,38.12,37.67,38.33,38.55,39.31,39.45,40.06,39.47,40.3,39.33,40.31
2024.36,33.53,34.25,34.76,35.24,37.16,37.82,37.5,38.0,38.38,39.0,39.28,39.73,39.3,40.01,39.16,40.07
2025.0,33.5,34.2,34.74,35.19,37.14,37.77,37.47,37.95,38.36,38.96,39.25,39.68,39.28,39.97,39.14,40.03