condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.014371 0.0 0.043113 12 h after light 0.052809666666666664 0.0 0.158429 4 h after dark 0.0 0.0 0.0 8 h after dark 0.066067 0.0 0.198201 12 h after dark 0.03536533333333333 0.0 0.106096