condition mean min max 0 h after light 40.7431 38.0013 43.4849 4 h after light 42.93705 40.9663 44.9078 8 h after light 17.03165 15.8395 18.2238 4 h after dark 16.3587 10.4084 22.309 8 h after dark 45.166 44.2741 46.0579 12 h after dark 46.139849999999996 42.9735 49.3062