condition mean min max 1 h after light 7.759677646 5.827603097000001 9.691752195 3 h after light 9.514184888333332 7.058663544 11.99092743 5 h after light 9.145901412333334 6.464029147000001 10.75561581 7 h after light 10.617829075666666 6.419628867 13.39430302 9 h after light 15.823061656666667 12.03851911 18.75496194 11 h after light 18.41138564 11.40889269 25.30705118 13 h after light 17.307626307333333 7.898381022000001 22.72735058 15 h after light 20.911456783333332 19.59905348 21.71454065 1 h after dark 18.77127082333333 18.45235814 19.013964399999995 3 h after dark 20.698980126666665 18.70828758 23.07803331 5 h after dark 17.163111216666668 16.04318801 17.97505848 7 h after dark 13.53211496 13.39984121 13.77993222