condition	mean	min	max
4 h after light	11.839849999999998	11.8242	11.8555
8 h after light	7.189019999999999	6.22965	8.14839
12 h after light	6.521395	5.98263	7.06016
4 h after dark	10.57863	9.46729	11.4336
8 h after dark	12.9044	11.2265	15.205
12 h after dark	15.2247	13.7187	17.1425