condition	mean	min	max
4 h after light	19.1021	16.1594	22.0448
8 h after light	19.19645	18.0561	20.3368
12 h after light	22.7947	20.6272	24.9622
4 h after dark	39.5576	38.5001	40.8867
8 h after dark	46.0361	42.6284	51.4426
12 h after dark	39.49646666666666	33.3518	45.8215