condition	mean	min	max
4 h after light	4.833285	4.32627	5.3403
8 h after light	3.4345749999999997	3.13693	3.73222
12 h after light	3.602605	3.43581	3.7694
4 h after dark	3.88671	2.72857	5.45606
8 h after dark	3.81533	3.68191	4.04648
12 h after dark	4.259163333333333	3.64398	5.27273