condition	mean	min	max
0 h after light	16.247300000000003	15.7895	16.7051
4 h after light	8.831164999999999	8.0779	9.58443
8 h after light	10.36204	9.79938	10.9247
4 h after dark	11.28335	10.7948	11.7719
8 h after dark	11.1985	10.5921	11.8049
12 h after dark	12.75872	9.58874	15.9287