condition	mean	min	max
4 h after light	16.27635	13.9608	18.5919
8 h after light	12.89235	12.5746	13.2101
12 h after light	13.65195	13.0809	14.223
4 h after dark	22.156833333333335	20.6427	23.2518
8 h after dark	21.7505	20.46	23.9772
12 h after dark	22.895166666666665	21.2803	25.0676