condition mean min max 0 h after light 0.7331995 0.732546 0.733853 4 h after light 0.298564 0.0 0.597128 8 h after light 0.0 0.0 0.0 4 h after dark 1.973135 1.29502 2.65125 8 h after dark 3.62193 3.49223 3.75163 12 h after dark 1.0162185 0.715627 1.31681