condition	mean	min	max
4 h after light	37.96425	35.1059	40.8226
8 h after light	25.377499999999998	24.8429	25.9121
12 h after light	31.43425	30.5933	32.2752
4 h after dark	40.660199999999996	39.535	42.3244
8 h after dark	45.2606	43.9145	46.2416
12 h after dark	46.56263333333333	43.921	48.9666