condition	mean	min	max
4 h after light	16.820287	14.238359	19.402215
8 h after light	18.328871499999998	16.608071	20.049672
12 h after light	14.4048935	13.653767	15.15602
4 h after dark	17.367748499999998	16.523099	18.212398
8 h after dark	24.750793	16.422038	33.079548
12 h after dark	14.574068	14.574068	14.574068