condition	mean	min	max
4 h after light	27.9882	27.1016	28.8748
8 h after light	20.3628	19.0668	21.6588
12 h after light	18.6072	18.3952	18.8192
4 h after dark	35.48613333333333	28.9793	40.4582
8 h after dark	34.639633333333336	32.5934	37.2535
12 h after dark	46.4222	37.7613	53.9696