condition	mean	min	max
4 h after light	8.295155	7.35399	9.23632
8 h after light	16.362949999999998	15.389	17.3369
12 h after light	31.447899999999997	28.2544	34.6414
4 h after dark	30.77695	29.3108	32.2431
8 h after dark	23.204349999999998	22.9213	23.4874
12 h after dark	13.58335	12.9039	14.2628