condition mean min max 4 h after light 0.104721 0.0 0.209442 8 h after light 0.10403605 0.0565631 0.151509 12 h after light 0.091633 0.0 0.183266 4 h after dark 0.120761 0.0 0.241522 8 h after dark 0.1510254 0.0599838 0.242067 12 h after dark 0.1144489 0.0501618 0.178736