condition	mean	min	max
4 h after light	17.565350000000002	15.7759	19.3548
8 h after light	20.62575	20.2403	21.0112
12 h after light	17.5503	17.3834	17.7172
4 h after dark	30.3811	28.8156	31.6654
8 h after dark	19.58536666666667	17.6642	21.3228
12 h after dark	23.376766666666665	20.4365	25.4129