condition mean min max 4 h after light 655.329023 539.924364 770.733682 8 h after light 453.658525 298.885083 608.431967 12 h after light 300.8908 218.236537 383.545063 4 h after dark 148.3887525 80.756053 216.021452 8 h after dark 148.5649575 67.744012 229.385903 12 h after dark 422.436169 422.436169 422.436169