condition	mean	min	max
0 h after light	18.2758	18.0261	18.5255
4 h after light	13.277249999999999	11.4322	15.1223
8 h after light	5.7552900000000005	5.01884	6.49174
4 h after dark	5.94207	4.12812	7.75602
8 h after dark	14.46115	14.0013	14.921
12 h after dark	15.9453	14.5155	17.3751