condition mean min max 1 h after light 5.976724964 5.058492234 6.8949576939999995 3 h after light 10.490766964333332 6.916711553 13.36198142 5 h after light 15.262157843333334 14.33129567 15.8292236 7 h after light 15.216294836666666 13.18120852 17.72923282 9 h after light 16.594980826666667 15.86487658 17.28327436 11 h after light 17.964458546666666 16.66515372 18.71005 1 h after dark 13.24893993 10.82588887 14.47633856 3 h after dark 14.848384423333332 13.15107124 16.53600615 5 h after dark 13.155495513333333 12.74606484 13.90070663 7 h after dark 12.860407703333333 12.43881903 13.36340814 9 h after dark 12.88757306 12.17153113 13.58131834 11 h after dark 13.095939726666666 10.96418836 14.390378899999998