condition mean min max 2 h after light 37.8231 25.7126 69.7674 6 h after light 66.20205 40.6933 88.5448 10 h after light 88.0587 39.4227 135.653 14 h after light 118.99875 60.1321 232.705 18 h after light 106.6356 41.126 146.0 2 h after dark 56.85653333333333 36.7937 79.4754