condition mean min max 4 h after light 26.168 24.3866 27.9494 8 h after light 43.1799 42.2295 44.1303 12 h after light 29.566 25.5912 33.5408 4 h after dark 17.768566666666665 15.6222 20.1146 8 h after dark 10.738 10.2308 10.9919 12 h after dark 21.1306 17.0107 25.45