condition	mean	min	max
4 h after light	14.43189	7.37217	24.5646
8 h after light	13.10518	4.53964	17.8212
12 h after light	17.412433333333333	10.0899	25.99
4 h after dark	18.158133333333332	15.8593	21.2942
8 h after dark	15.050823333333334	9.60937	18.3949
12 h after dark	19.695899999999998	16.34	21.4609