condition mean min max 4 h after light 138.183 123.135 153.231 8 h after light 155.3305 150.302 160.359 12 h after light 196.262 139.748 252.776 4 h after dark 124.999 124.461 125.986 8 h after dark 175.986 133.392 199.684 12 h after dark 132.188 129.559 135.394