condition	mean	min	max
4 h after light	6.81141	6.60753	7.01529
8 h after light	10.121179999999999	9.43986	10.8025
12 h after light	8.59416	8.38353	8.80479
4 h after dark	12.624600000000001	11.3434	13.9058
8 h after dark	10.7522	10.4529	11.0515
12 h after dark	10.1014	10.0747	10.1281