condition mean min max 4 h after light 1.82901 1.40359 2.25443 8 h after light 1.8246250000000002 1.82271 1.82654 12 h after light 4.126245 4.04603 4.20646 4 h after dark 2.50329 2.44682 2.55976 8 h after dark 2.0795500000000002 1.97498 2.18412 12 h after dark 1.61751 1.55631 1.67871