condition	mean	min	max
4 h after light	20.09486	9.69528	28.4371
8 h after light	14.538186666666666	3.88086	26.0012
12 h after light	17.125203333333335	9.56021	26.3104
4 h after dark	27.0941	21.0482	31.1201
8 h after dark	28.7482	19.3176	35.7447
12 h after dark	35.9534	34.5821	36.7396