condition mean min max 0 h after light 42.39405 26.0733 58.7148 2 h after light 15.3578 11.7638 18.9518 4 h after light 6.593205 6.47482 6.71159 8 h after light 8.69065 3.7898 13.5915 12 h after light 15.1126 11.7941 18.4311 2 h after dark 24.04975 15.6088 32.4907 4 h after dark 25.28955 17.6352 32.9439 8 h after dark 36.64765 27.0669 46.2284 12 h after dark 40.90745 30.8916 50.9233