condition mean min max 0 h after light 15.997800000000002 15.7309 16.2647 4 h after light 14.2552 12.8986 15.6118 8 h after light 11.449 11.2376 11.6604 4 h after dark 13.6112 12.2699 14.9525 8 h after dark 13.93205 13.3102 14.5539 12 h after dark 15.779349999999999 15.1982 16.3605