condition	mean	min	max
0 h after light	3.130095	3.05617	3.20402
4 h after light	4.48386	4.27271	4.69501
8 h after light	3.626785	2.89395	4.35962
4 h after dark	5.664695	5.3961	5.93329
8 h after dark	4.53055	3.7412	5.3199
12 h after dark	4.312595	3.9038	4.72139