condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0122271 0.0 0.0244542 4 h after dark 0.011506133333333333 0.0 0.0345184 8 h after dark 0.0 0.0 0.0 12 h after dark 0.004765066666666666 0.0 0.0142952