<style>
.yaxisLabel {
	top: 50%;
	left: 2px;
	transform: rotate(-90deg);
	transform-origin: 0px 0px 0px;
    color: blue;
}

.axisLabel {
	position: absolute;
	text-align: center;
	font-size: 12px;
}

.flot-y1-axis, .flot-x-axis {
    color: blue;
}
</style>
<div style="height: 100%; width: 100%" data-bind="
    flotchart: { 
        data: wxData, 
        options: wxOptions, 
        postUpdate: afterUpdate,
        hover: plotHover,
        click: plotClick, 
    }"></div>