condition	mean	min	max
4 h after light	10.735483333333333	6.52665	14.3079
8 h after light	10.490969999999999	2.47651	19.7202
12 h after light	13.67719	8.58007	18.0202
4 h after dark	22.087133333333334	20.1124	23.2481
8 h after dark	21.840766666666667	14.282	26.5905
12 h after dark	19.5175	18.799	19.9145