condition mean min max 4 h after light 10.3924185 10.22077 10.564067 8 h after light 11.265235 10.564067 11.966403 12 h after light 9.539095 8.690026 10.388164 4 h after dark 10.4793385 10.042197 10.91648 8 h after dark 10.4217665 10.026407 10.817126 12 h after dark 11.284499 11.284499 11.284499