condition	mean	min	max
3 h after light	12.801	12.7074	12.9825
6 h after light	12.6408	11.4764	14.6117
9 h after light	15.2128	13.0674	16.3118
12 h after light	18.33245	18.1504	18.5428
3 h after dark	20.9178	20.0774	21.4278
6 h after dark	20.6595	19.2669	22.5149
9 h after dark	18.438666666666666	17.8009	19.1102
12 h after dark	16.1056	15.0553	17.1559