condition	mean	min	max
4 h after light	22.9994	19.2834	26.7154
8 h after light	15.89715	12.6335	19.1608
12 h after light	62.0539	58.6834	65.4244
4 h after dark	100.79905	98.8081	102.79
8 h after dark	47.95985	47.4655	48.4542
12 h after dark	37.9914	36.8603	39.1225