condition mean min max 4 h after light 5.205443333333333 3.732483 6.292223 8 h after light 11.090490333333333 5.945041000000001 16.12043 12 h after light 5.147937333333333 3.525729 7.361806 16 h after light 7.432099 5.382303 10.90095 4 h after dark 7.119084 6.765737 7.402750999999999 8 h after dark 4.657797333333333 3.222261 6.9611089999999995