condition	mean	min	max
4 h after light	7.5684	6.91357	8.22323
8 h after light	5.184735	4.98491	5.38456
12 h after light	4.000805	3.69826	4.30335
4 h after dark	8.890015	8.81375	8.96628
8 h after dark	9.51007	9.13915	9.88099
12 h after dark	10.8972	10.3205	11.4739