condition mean min max 4 h after light 37.44181666666667 16.96641 58.06049 8 h after light 14.685137000000001 8.685630999999999 21.13371 12 h after light 20.31102 13.57196 25.6093 16 h after light 31.920313333333336 19.3408 42.3492 4 h after dark 39.487610000000004 31.497770000000003 43.74856 8 h after dark 37.978343333333335 30.33225 51.73888