condition	mean	min	max
4 h after light	4.14667	2.6633	5.63004
8 h after light	3.791435	3.55182	4.03105
12 h after light	3.39086	2.91505	3.86667
4 h after dark	3.93296	3.67605	4.18987
8 h after dark	3.71416	3.60347	3.82485
12 h after dark	4.48521	3.99819	4.97223