condition mean min max 4 h after light 0.01814415 0.0 0.0362883 8 h after light 0.00749815 0.0 0.0149963 12 h after light 0.0064204 0.0 0.0128408 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0028154333333333336 0.0 0.0084463