condition mean min max 0 h after light 7.61631 7.39192 7.8407 4 h after light 4.575519999999999 4.57288 4.57816 8 h after light 1.8869349999999998 1.62294 2.15093 4 h after dark 4.98756 2.71532 7.2598 8 h after dark 12.75745 12.6676 12.8473 12 h after dark 12.373850000000001 11.5796 13.1681