condition mean min max 2 h after light 0.8517918333333334 0.0 2.57629 6 h after light 1.8334401666666666 0.893881 2.88803 10 h after light 1.259125 0.0 2.03706 14 h after light 1.4043233333333334 1.02707 1.99616 18 h after light 1.3749228333333332 0.605649 2.14356 2 h after dark 1.6932355000000001 0.64906 3.74981