condition	mean	min	max
0 h after light	22.13145	21.9904	22.2725
4 h after light	15.52545	13.42	17.6309
8 h after light	70.77455	69.2838	72.2653
4 h after dark	65.8814	50.9957	80.7671
8 h after dark	31.18105	29.4586	32.9035
12 h after dark	18.13445	17.8582	18.4107