condition mean min max 4 h after light 3104.9 3104.9 3104.9 8 h after light 3206.8500000000004 2856.4 3557.3 12 h after light 3027.45 2611.7 3443.2 4 h after dark 2603.35 2384.2 2822.5 8 h after dark 2747.2 2598.4 2896.0 12 h after dark 2820.6499999999996 2570.6 3070.7