condition	mean	min	max
4 h after light	7.7243200000000005	6.57041	8.87823
8 h after light	7.116685	6.66931	7.56406
12 h after light	6.25042	6.21761	6.28323
4 h after dark	8.39909	8.21026	8.73793
8 h after dark	11.177006666666667	9.84462	13.1835
12 h after dark	8.749696666666667	7.23992	9.84765