condition mean min max 0 h after light 4.877750000000001 4.39911 5.35639 4 h after light 4.649405 4.2344 5.06441 8 h after light 5.274205 5.01038 5.53803 4 h after dark 6.459625 5.73459 7.18466 8 h after dark 7.255575 6.93878 7.57237 12 h after dark 5.248515 4.71412 5.78291