condition mean min max 0 h after light 0.08577785 0.0428317 0.128724 4 h after light 0.2794375 0.253378 0.305497 8 h after light 0.0641755 0.0436001 0.0847509 4 h after dark 0.1054147 0.0841324 0.126697 8 h after dark 0.275973 0.126552 0.425394 12 h after dark 0.127391 0.083685 0.171097