condition mean min max 4 h after light 0.6641066666666667 0.0 1.99232 8 h after light 0.272389 0.0 0.817167 12 h after light 0.19034533333333334 0.0 0.571036 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.9389506666666666 0.0 1.97497