condition mean min max 0 h after light 8.118455 8.01273 8.22418 4 h after light 9.515915 6.57543 12.4564 8 h after light 7.07474 6.29463 7.85485 4 h after dark 10.860510000000001 9.58932 12.1317 8 h after dark 12.04055 10.8326 13.2485 12 h after dark 8.67957 6.71694 10.6422