condition	mean	min	max
4 h after light	17.925954500000003	16.121317	19.730592
8 h after light	24.706046999999998	24.036891	25.375203
12 h after light	28.216829	27.735451	28.698207
4 h after dark	29.827741	27.883202	31.77228
8 h after dark	22.743229999999997	19.883912	25.602548
12 h after dark	18.330901	18.330901	18.330901