condition mean min max 4 h after light 188.5562 181.6406 193.5418 8 h after light 141.99154 85.82802 216.06 12 h after light 154.3225 127.9338 188.1742 16 h after light 136.22803333333334 124.8156 158.6171 4 h after dark 125.75203333333333 109.8867 140.8739 8 h after dark 92.36396666666667 78.4236 110.6563