condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.6786808666666667 0.0678786 1.04694 12 h after light 0.014871033333333334 0.0 0.0446131 4 h after dark 2.1051066666666665 0.0 6.31532 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0