condition	mean	min	max
4 h after light	16.679945	8.75269	24.6072
8 h after light	11.4497	11.0804	11.819
12 h after light	21.1064	17.3217	24.8911
4 h after dark	22.8468	19.1986	26.495
8 h after dark	27.0367	20.2322	33.8412
12 h after dark	20.244	17.4288	23.0592