condition	mean	min	max
4 h after light	14.908349999999999	14.0642	15.7525
8 h after light	14.0113	13.4589	14.5637
12 h after light	16.2403	15.4959	16.9847
4 h after dark	15.8026	15.6581	15.9177
8 h after dark	16.159166666666668	14.2713	17.7946
12 h after dark	18.2575	16.9309	20.5444