63 for union city. 60 out by ocean beach and 62 and petaluma >> reporter: 49ers are going to play oxalisay. cloudy conditions but 17 degrees at game time. stay attuned to kron4 for that! >> reporter: >> catherine: it's almost a new year. and for many. that means resolutions to stay healthy. doctors say a good way to >> catherine: work towards positive health goals is to know where you stand in the medical numbers game. which numbers are the most important? melisa raney reports. >> reporter:the world is filled with digits. phone numbers, passwords: knowing the numbers inside your body are the ones you should really know. so which numbers are we talking about? >> reporter:let's start with blood pressure. >> reporter:your b-p is a major risk factor for heart and kidney disease and stroke, keeping your numbers in line is important. >> reporter:if you're under 60, the american heart association recommends a blood pressure under 120/80. for those over 60, a little higher number is ok, but talk to your doctor. then there's your cholesterol. overall cholesterol level under 200 is acceptable. but