condition	mean	min	max
3 h after light	19.2579775	9.82773	27.2468
7 h after light	15.940704166666666	7.65545	23.719
11 h after light	14.8728725	7.55457	22.4805
2 h after dark	15.51352	8.44216	23.384
6 h after dark	19.0207	11.7803	32.7499
10 h after dark	20.788575	13.5459	30.2116