condition mean min max 4 h after light 3.6900986666666666 0.887676 5.33962 8 h after light 6.873273333333334 1.29007 12.0655 12 h after light 4.6054200000000005 3.02964 6.2259 4 h after dark 5.14176 3.60347 7.31843 8 h after dark 5.3733900000000006 2.68146 8.4814 12 h after dark 6.776556666666667 5.17937 7.849