condition mean min max 4 h after light 4.431955 3.81571 5.0482 8 h after light 1.20762 0.0 2.41524 12 h after light 0.9406699999999999 0.62928 1.25206 4 h after dark 2.2120100000000003 1.67392 2.7501 8 h after dark 7.273875 6.83009 7.71766 12 h after dark 4.227074999999999 4.11243 4.34172