condition	mean	min	max
0 h after light	6.30028	6.12887	6.47169
4 h after light	7.615165	6.36937	8.86096
8 h after light	12.50965	12.373	12.6463
4 h after dark	5.867255	5.38981	6.3447
8 h after dark	4.466184999999999	3.99693	4.93544
12 h after dark	6.255355	6.03793	6.47278