condition	mean	min	max
3 h after light	17.800966666666667	15.0771	19.6684
6 h after light	23.1684	19.6028	27.6463
9 h after light	26.5748	25.905	27.2207
12 h after light	21.3274	19.6313	23.408
3 h after dark	18.965733333333333	17.9988	20.6576
6 h after dark	15.636600000000001	12.9794	17.7603
9 h after dark	13.5358	13.1128	13.836
12 h after dark	15.117166666666666	13.3466	17.5307