condition mean min max 4 h after light 2.529645 1.77057 3.28872 8 h after light 6.849295 6.14265 7.55594 12 h after light 5.0752500000000005 3.90451 6.24599 4 h after dark 3.0941466666666666 2.93885 3.34293 8 h after dark 4.174963333333333 3.55963 5.33261 12 h after dark 3.86733 2.64222 5.23176