condition mean min max 0 h after light 12.725950000000001 12.4284 13.0235 4 h after light 15.59815 14.9977 16.1986 8 h after light 12.2485 11.768 12.729 4 h after dark 13.7173 11.1954 16.2392 8 h after dark 17.253149999999998 16.5209 17.9854 12 h after dark 12.624600000000001 11.6572 13.592