condition mean min max 0 h after light 10.188939999999999 8.98908 11.3888 4 h after light 4.835685 4.82238 4.84899 8 h after light 6.55697 5.92081 7.19313 4 h after dark 11.8368 11.3398 12.3338 8 h after dark 8.301825000000001 8.27129 8.33236 12 h after dark 8.17041 7.2318 9.10902