condition mean min max 4 h after light 0.00365477 0.0 0.00730954 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.006685266666666666 0.0 0.0200558