condition	mean	min	max
4 h after light	21.40305	20.5438	22.2623
8 h after light	46.00565	44.7234	47.2879
12 h after light	75.35655	67.5915	83.1216
4 h after dark	48.33036666666667	45.295	50.7763
8 h after dark	39.9352	37.7989	42.8937
12 h after dark	25.6438	22.4745	28.3126