condition mean min max 4 h after light 21.4406 18.9396 23.9416 8 h after light 20.72905 19.0523 22.4058 12 h after light 18.018250000000002 17.907 18.1295 4 h after dark 13.185833333333333 12.5147 13.8997 8 h after dark 21.213733333333334 20.1439 22.8532 12 h after dark 21.896333333333335 20.7351 22.7175