condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0292743 0.0 0.0585486 4 h after light 0.052988 0.0 0.105976 8 h after light 0.1074068 0.0538566 0.160957 12 h after light 0.02976395 0.0 0.0595279 2 h after dark 0.080533 0.0 0.161066 4 h after dark 0.0250612 0.0 0.0501224 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0