condition mean min max 2 h after light 134.9253 70.1096 225.985 6 h after light 214.8245 145.568 344.781 10 h after light 187.43866666666668 103.419 328.939 14 h after light 202.24706666666665 90.5194 413.409 18 h after light 169.9505 72.061 338.328 2 h after dark 123.92588333333333 53.7392 222.867