condition mean min max 0 h after light 47.432050000000004 46.7926 48.0715 2 h after light 17.83265 17.7784 17.8869 4 h after light 17.2649 16.5518 17.978 8 h after light 19.898699999999998 17.3549 22.4425 12 h after light 24.11275 23.6941 24.5314 2 h after dark 33.8825 31.8325 35.9325 4 h after dark 40.59705 37.273 43.9211 8 h after dark 53.6251 53.5443 53.7059 12 h after dark 52.836349999999996 51.3405 54.3322