condition mean min max 4 h after light 11.256599999999999 10.8025 11.7107 8 h after light 19.929650000000002 19.6675 20.1918 12 h after light 28.5576 27.3392 29.776 4 h after dark 30.811750000000004 30.3087 31.3148 8 h after dark 23.31555 23.0187 23.6124 12 h after dark 16.78645 16.7233 16.8496