condition	mean	min	max
0 h after light	16.46615	15.3538	17.5785
4 h after light	19.75255	17.8793	21.6258
8 h after light	79.2502	78.1213	80.3791
4 h after dark	52.32875	45.417	59.2405
8 h after dark	39.5471	29.4089	49.6853
12 h after dark	27.5466	20.8093	34.2839