condition mean min max 3 h after light 18.16405 10.81 43.0252 7 h after light 31.51865 12.6271 74.0267 11 h after light 42.91130833333333 15.6802 77.8421 2 h after dark 30.187675 12.262 48.2811 6 h after dark 30.53216666666667 13.4427 67.7352 10 h after dark 19.124141666666667 11.2348 41.6636