condition	mean	min	max
4 h after light	9.422475	7.61955	11.2254
8 h after light	17.87535	17.2417	18.509
12 h after light	30.2299	30.2201	30.2397
4 h after dark	10.20604	7.81352	11.8961
8 h after dark	10.9245	10.478	11.5898
12 h after dark	11.763066666666667	11.1253	12.1213