condition	mean	min	max
4 h after light	15.483699999999999	15.3334	15.634
8 h after light	11.764	11.3823	12.1457
12 h after light	11.89695	11.6844	12.1095
4 h after dark	14.27505	14.2689	14.2812
8 h after dark	15.58765	15.2456	15.9297
12 h after dark	17.33785	16.8064	17.8693