condition mean min max 4 h after light 251.6960285 108.395117 394.99694 8 h after light 328.51518999999996 233.490631 423.539749 12 h after light 145.3913115 55.304345 235.478278 4 h after dark 92.220869 79.021223 105.420515 8 h after dark 77.262517 56.603543 97.921491 12 h after dark 24.031452 24.031452 24.031452