condition	mean	min	max
4 h after light	13.2202	12.9841	13.4563
8 h after light	16.70055	14.8496	18.5515
12 h after light	16.18855	16.1162	16.2609
4 h after dark	16.573333333333334	15.679	17.2228
8 h after dark	15.3345	13.6283	17.0041
12 h after dark	12.8376	11.7356	14.0613