condition mean min max 3 h after light 2.5484333333333336 0.8835 3.42121 6 h after light 3.99442 3.40534 4.47954 9 h after light 8.96321 5.6059 13.8615 12 h after light 16.4354 10.1089 22.5404 3 h after dark 16.04723333333333 13.1515 17.7 6 h after dark 5.31884 4.82833 5.68648 9 h after dark 2.75043 1.94923 4.15336 12 h after dark 1.5939133333333333 1.00009 2.32089