condition mean min max 0 h after light 19.5786 17.8074 21.3498 2 h after light 11.460450000000002 10.5058 12.4151 4 h after light 11.7716 11.094 12.4492 8 h after light 22.581400000000002 21.7681 23.3947 12 h after light 42.5895 42.3919 42.7871 2 h after dark 46.41185 41.7435 51.0802 4 h after dark 41.377449999999996 40.3412 42.4137 8 h after dark 28.46295 28.2627 28.6632 12 h after dark 20.9875 20.283 21.692