condition mean min max 4 h after light 38.4576 33.3436 43.5716 8 h after light 36.9056 34.9068 38.9044 12 h after light 32.05985 30.1781 33.9416 4 h after dark 42.129866666666665 39.4059 45.606 8 h after dark 44.816 41.788 48.4921 12 h after dark 39.5172 36.7736 41.9684