condition mean min max 4 h after light 764.9693345000001 683.266883 846.671786 8 h after light 812.9727015000001 773.008866 852.936537 12 h after light 801.6390515 751.232057 852.046046 4 h after dark 903.2242855 779.485745 1026.962826 8 h after dark 660.0300205000001 602.827984 717.232057 12 h after dark 668.457594 668.457594 668.457594