condition	mean	min	max
0 h after light	16.25595	15.4531	17.0588
4 h after light	10.5979	10.4715	10.7243
8 h after light	20.939349999999997	19.2429	22.6358
4 h after dark	21.914450000000002	16.8641	26.9648
8 h after dark	16.7664	16.6142	16.9186
12 h after dark	16.8293	15.829	17.8296