condition mean min max 0 h after light 212.8145 210.05 215.579 4 h after light 479.9215 418.346 541.497 8 h after light 773.428 687.538 859.318 4 h after dark 734.9895 723.412 746.567 8 h after dark 512.6925 496.915 528.47 12 h after dark 224.019 217.476 230.562