condition mean min max 2 h after light 1.46164 0.0 2.20745 6 h after light 2.3063416666666665 0.0 3.79867 10 h after light 1.6112461666666666 0.0 2.64053 14 h after light 2.3764661666666664 0.718147 5.4331 18 h after light 1.4097875 0.0 3.36942 2 h after dark 2.209496166666667 0.0 4.64153