condition mean min max 0 h after light 0.03468555 0.0 0.0693711 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.073557 0.0 0.147114 2 h after dark 0.06923560000000001 0.0663418 0.0721294 4 h after dark 0.0631063 0.061935 0.0642776 8 h after dark 0.0 0.0 0.0 12 h after dark 0.034393 0.0 0.068786