condition	mean	min	max
4 h after light	3.9261850000000003	3.4546	4.39777
8 h after light	3.79439	3.71153	3.87725
12 h after light	4.0555	3.48739	4.62361
4 h after dark	5.78387	5.46624	6.1015
8 h after dark	4.939215	4.36805	5.51038
12 h after dark	4.725725	3.98758	5.46387