condition mean min max 0 h after light 36.9725 32.7903 41.1547 4 h after light 32.5756 32.2034 32.9478 8 h after light 34.0641 33.7471 34.3811 4 h after dark 36.313199999999995 32.6885 39.9379 8 h after dark 31.98635 30.56 33.4127 12 h after dark 35.3119 31.8077 38.8161