condition	mean	min	max
4 h after light	4.53109	4.47686	4.59436
8 h after light	4.578163333333333	4.52214	4.62622
12 h after light	4.600906666666667	4.55233	4.69163
4 h after dark	4.46092	4.3525599999999995	4.5231900000000005
8 h after dark	4.412913333333334	4.31951	4.52665
12 h after dark	4.4940999999999995	4.40904	4.565119999999999