condition	mean	min	max
4 h after light	5.827576666666666	5.817740000000001	5.83372
8 h after light	5.479503333333334	5.41105	5.6060099999999995
12 h after light	5.111463333333333	5.05969	5.14816
4 h after dark	5.3056833333333335	5.16049	5.50295
8 h after dark	5.44346	5.20631	5.67751
12 h after dark	5.5516499999999995	5.38781	5.70351