condition	mean	min	max
0 h after light	13.1375	12.6728	13.6022
4 h after light	50.2843	44.9213	55.6473
8 h after light	50.1683	45.9718	54.3648
4 h after dark	19.15665	16.595	21.7183
8 h after dark	21.63745	21.099	22.1759
12 h after dark	16.530050000000003	15.669	17.3911