condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.22604333333333335 0.0 0.67813 3 h after dark 0.0 0.0 0.0 6 h after dark 0.24440966666666666 0.0 0.733229 9 h after dark 0.27605966666666665 0.0 0.828179 12 h after dark 0.0 0.0 0.0