condition mean min max 3 h after light 4.99398 4.71085 5.35402 6 h after light 7.077916666666667 4.21265 8.87176 9 h after light 5.520076666666667 4.47463 6.11685 12 h after light 7.2057975 5.69265 8.95024 3 h after dark 7.589083333333333 5.83251 10.1063 6 h after dark 6.24274 6.03214 6.55957 9 h after dark 5.144003333333333 4.47039 6.10912 12 h after dark 5.47148 4.57518 6.36778