condition	mean	min	max
4 h after light	6.377473333333333	6.01432	6.649139999999999
8 h after light	7.354866666666666	6.49224	8.63318
12 h after light	6.86141	6.03178	7.37067
4 h after dark	6.46657	5.7119800000000005	7.360589999999999
8 h after dark	6.1456566666666665	5.893759999999999	6.38475
12 h after dark	5.485073333333333	4.99412	5.81461