condition	mean	min	max
4 h after light	3.693395	3.24432	4.14247
8 h after light	3.73551	3.63954	3.83148
12 h after light	4.201645	3.85904	4.54425
4 h after dark	7.038966666666666	6.50437	7.81797
8 h after dark	3.765753333333333	3.46203	4.28421
12 h after dark	4.41551	3.73867	5.56453