condition	mean	min	max
3 h after light	19.359366666666666	17.9359	21.183
6 h after light	15.8144	14.578	17.3924
9 h after light	14.857099999999999	14.0429	15.4613
12 h after light	15.850525000000001	14.0797	18.0149
3 h after dark	12.127533333333332	11.9568	12.4209
6 h after dark	11.992833333333333	11.7778	12.2254
9 h after dark	14.255099999999999	12.043	16.72
12 h after dark	18.3638	18.0389	18.6887