condition mean min max 4 h after light 69.9810865 55.499066 84.463107 8 h after light 261.7748115 107.001289 416.548334 12 h after light 109.0901695 74.843601 143.336738 4 h after dark 886.229154 868.567518 903.89079 8 h after dark 1398.6224275 926.791986 1870.452869 12 h after dark 75.319296 75.319296 75.319296