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 0.21313533333333334 0.0 0.639406 12 h after light 0.5487063333333333 0.0 0.967989 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 0.7667466666666667 0.0 2.30024