condition	mean	min	max
4 h after light	7.687340000000001	7.623460000000001	7.73908
8 h after light	7.5810466666666665	7.54627	7.6069
12 h after light	7.606920000000001	7.56248	7.6542
4 h after dark	7.7038166666666665	7.58977	7.89192
8 h after dark	7.64583	7.63422	7.6539600000000005
12 h after dark	7.46032	7.42052	7.51125