condition mean min max 4 h after light 457.314836 210.625322 704.00435 8 h after light 203.264083 89.219186 317.30898 12 h after light 257.32574999999997 205.670109 308.981391 4 h after dark 94.1557705 27.76727 160.544271 8 h after dark 78.41995 37.32782 119.51208 12 h after dark 1147.304766 1147.304766 1147.304766