condition mean min max 4 h after light 11.8992 11.0424 12.756 8 h after light 6.00537 5.86644 6.1443 12 h after light 25.52785 24.7143 26.3414 4 h after dark 32.54436666666667 31.5838 34.4562 8 h after dark 19.659633333333336 18.1182 20.4859 12 h after dark 13.1383 12.5986 13.4419