condition mean min max 0 h after light 48.0977 46.9899 49.2055 4 h after light 28.3468 28.1109 28.5827 8 h after light 27.14015 25.0231 29.2572 4 h after dark 42.31945 38.6157 46.0232 8 h after dark 37.748000000000005 37.4516 38.0444 12 h after dark 42.1002 34.1425 50.0579