condition	mean	min	max
2 h after light	8.018093333333333	7.43864	8.34113
6 h after light	11.081966666666666	10.1505	11.6319
10 h after light	11.360899999999999	11.1133	11.7877
2 h after dark	18.2681	17.1753	19.9965
6 h after dark	19.1342	18.9272	19.4629
10 h after dark	18.868933333333334	18.7044	19.055