condition	mean	min	max
0 h after light	21.01775	18.7641	23.2714
4 h after light	8.76769	5.78338	11.752
8 h after light	7.37316	5.2	9.54632
4 h after dark	8.373895	6.15619	10.5916
8 h after dark	13.75465	13.4163	14.093
12 h after dark	15.692300000000001	15.3045	16.0801