condition	mean	min	max
0 h after light	17.40315	16.3674	18.4389
4 h after light	15.3904	14.7279	16.0529
8 h after light	9.452580000000001	9.20664	9.69852
4 h after dark	12.66575	10.4301	14.9014
8 h after dark	15.984100000000002	15.6472	16.321
12 h after dark	17.338900000000002	15.4479	19.2299