condition	mean	min	max
4 h after light	6.7039	6.50528	6.8257699999999994
8 h after light	6.718863333333333	6.48382	6.91679
12 h after light	6.856419999999999	6.6039699999999995	7.203469999999999
4 h after dark	7.135716666666667	7.0132	7.29657
8 h after dark	7.1803300000000005	6.810980000000001	7.40468
12 h after dark	7.440076666666667	7.0218300000000005	7.88524