condition	mean	min	max
4 h after light	11.2736	9.4331	13.1141
8 h after light	8.61653	7.73281	9.50025
12 h after light	7.609935	7.1514	8.06847
4 h after dark	12.046050000000001	9.8576	14.2345
8 h after dark	11.09705	10.7651	11.429
12 h after dark	10.197980000000001	9.29946	11.0965