condition mean min max 4 h after light 30.11585 22.5154 37.7163 8 h after light 100.12379999999999 86.6796 113.568 12 h after light 96.27459999999999 86.1662 106.383 4 h after dark 47.896 44.9384 51.346 8 h after dark 16.299633333333333 12.8517 20.0619 12 h after dark 16.99983333333333 15.7121 18.3986