condition mean min max 1 h after light 4.628587192 3.8226537830000002 5.434520601 3 h after light 4.768870121 4.53415783 4.896321747 5 h after light 6.003900516 5.176063295 7.631554551 7 h after light 6.319959397333333 5.48380968 7.624777717000001 9 h after light 5.932472057 4.687362065 6.894917635 11 h after light 5.893418845666667 5.519799521 6.191620482 13 h after light 6.077458455666667 4.690380773 7.504929979 15 h after light 6.543689992666667 5.4506158629999995 7.651232781 1 h after dark 7.0099558816666665 5.147405965 7.97809439 3 h after dark 6.126503574333333 5.151184400000001 7.219218049 5 h after dark 4.98989808 4.589776279 5.227861938999999 7 h after dark 4.789998211 3.93888847 5.670553446