condition mean min max 4 h after light 0.5665095 0.377307 0.755712 8 h after light 0.757857 0.733852 0.781862 12 h after light 0.737205 0.601799 0.872611 4 h after dark 1.1329063333333333 0.689659 1.50192 8 h after dark 0.7777016666666667 0.476725 1.11378 12 h after dark 0.482934 0.275578 0.654793