condition mean min max 4 h after light 1742.591744 1509.474138 1975.70935 8 h after light 2054.7664864999997 1522.608609 2586.924364 12 h after light 2894.94015 2651.284995 3138.595305 4 h after dark 3557.202151 2990.560061 4123.844241 8 h after dark 3447.6945925 3025.850896 3869.538289 12 h after dark 3447.854668 3447.854668 3447.854668