condition	mean	min	max
4 h after light	7.4806566666666665	7.45303	7.52267
8 h after light	7.46281	7.28855	7.5762
12 h after light	7.6697	7.596589999999999	7.70665
4 h after dark	7.65985	7.403989999999999	7.83811
8 h after dark	7.648020000000001	7.466260000000001	7.801889999999999
12 h after dark	7.4967266666666665	7.443739999999999	7.568560000000001