condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.015793033333333335 0.0 0.0473791 9 h after light 0.0 0.0 0.0 12 h after light 0.01074975 0.0 0.042999 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.02743065 0.0 0.0548613