condition	mean	min	max
4 h after light	14.241800000000001	12.2085	16.5466
8 h after light	13.484646666666666	2.91684	22.0823
12 h after light	11.61577	8.43431	14.7282
4 h after dark	17.0595	14.1606	19.1701
8 h after dark	18.836933333333334	14.5249	23.2719
12 h after dark	17.977899999999998	15.6485	19.5265