condition	mean	min	max
4 h after light	16.571866666666665	15.5818	17.8071
8 h after light	20.716363333333334	7.97539	27.5372
12 h after light	22.7099	14.8808	31.7158
4 h after dark	38.584633333333336	32.4844	41.8907
8 h after dark	38.9398	34.9146	42.3189
12 h after dark	21.9717	20.6539	23.0675