condition	mean	min	max
4 h after light	14.4207	13.5166	15.3248
8 h after light	14.0586	13.3359	14.7813
12 h after light	16.061500000000002	14.8996	17.2234
4 h after dark	19.1066	17.5957	20.6175
8 h after dark	21.134050000000002	18.86	23.4081
12 h after dark	18.28985	16.7204	19.8593