condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.052332 0.0 0.104664 8 h after light 0.2752565 0.219703 0.33081 12 h after light 0.05362 0.0 0.10724 2 h after dark 0.1648895 0.0 0.329779 4 h after dark 0.159759 0.0 0.319518 8 h after dark 0.2359135 0.231633 0.240194 12 h after dark 0.056988 0.0 0.113976