condition	mean	min	max
4 h after light	19.67655	16.1067	23.2464
8 h after light	21.737000000000002	20.9793	22.4947
12 h after light	29.92745	24.2497	35.6052
4 h after dark	81.67745	79.8494	83.5055
8 h after dark	66.6411	63.095	70.1872
12 h after dark	43.047650000000004	39.2035	46.8918