condition	mean	min	max
0 h after light	3.813975	2.98161	4.64634
4 h after light	3.816385	3.71316	3.91961
8 h after light	3.235925	2.86648	3.60537
4 h after dark	3.78981	3.75653	3.82309
8 h after dark	5.077275	4.77093	5.38362
12 h after dark	4.298205	3.96458	4.63183