condition mean min max 0 h after light 42.319 41.4508 43.1872 2 h after light 26.95715 26.2879 27.6264 4 h after light 21.5304 20.619 22.4418 8 h after light 20.1082 17.7329 22.4835 12 h after light 37.1669 29.7878 44.546 2 h after dark 43.66355 40.1868 47.1403 4 h after dark 50.4884 39.9644 61.0124 8 h after dark 73.59765 71.113 76.0823 12 h after dark 60.9531 58.8747 63.0315