condition	mean	min	max
4 h after light	21.02645	19.495	22.5579
8 h after light	27.708199999999998	27.0437	28.3727
12 h after light	29.01575	27.3397	30.6918
4 h after dark	41.893299999999996	38.9454	44.8412
8 h after dark	43.314949999999996	42.4365	44.1934
12 h after dark	34.23495	33.7664	34.7035