condition	mean	min	max
4 h after light	5.46678	5.33117	5.60239
8 h after light	5.387485	5.08255	5.69242
12 h after light	5.160495	4.64105	5.67994
4 h after dark	6.3971	5.96299	6.83121
8 h after dark	5.458024999999999	5.23448	5.68157
12 h after dark	6.519155	6.50534	6.53297