condition	mean	min	max
4 h after light	10.50616	10.090819999999999	10.878630000000001
8 h after light	9.16486	8.6502	9.51873
12 h after light	8.4832	7.69608	9.085230000000001
4 h after dark	7.902963333333333	7.268039999999999	8.50367
8 h after dark	9.07183	8.32446	9.6285
12 h after dark	10.385963333333333	10.02421	10.71167