Record Events for Wed Jul 6, 2011 through Tue Jul 12, 2011
High Temperatures: 445
Low Temperatures: 93
HAMweather Climate Center - Record High Temperatures for The Past Week - Continental US View
Dude you just pull up some weather reports and call it proof of climate change. Lets review; weather is what is happening now and in the recent past locally and climate is what has happened over the last several thousand years globally. Got it?
Weather is in the
here and now, but climate is weather over the
longer term avg'ed. Weather can be 46f and raining as your dealing with a low pressure area, but climate is the collection of data showing what constitutes what is the overall avg for a place on earth.
What is a place on earth---Lets say Portland Oregon, where I live. The climate of Portland is rainy from Oct-April and drier and warm from May-Sept. That one point with many years of data you can get a picture of the climate. That is climate...Your right in a broad sense about the earth's overall climate of course.
You can have a avg for January here of 46f over the past 30 years. That means some years when you avg the high's up it can be above that and of course below that, but you get a monthly avg of 46f. You can do this for daily or weekly, which within Portland you start out near 42-43f, but then go up to near 48-49f by the last week of the month. You can do this for rainfall to.
You can scale that up to western Oregon or the state of your choice. Eastern Oregon is going to have a hugely different climate then western because of the rain shallow effect. So the coast range and cascades can get 60-70 inches a year; Portland 36 inches per year; Eastern Oregon 8-12 inches.
So you got time scale, which can be for what is normal for a day, week, month or even a year over different scales of time. It DOESN"T needs to be thousands of years. Of course you can do that....
Next is the scale you wish to find the climate for. From your back yard over 3-4 years you can start to get a idea(of course this last part is time frame), but you can also get it for your state, nation or of course as you say globally.
Overall global climate changes can happen at scales of thousands of years as you say, but can happen within dozens of decades like the younger dyes of 8,500 years ago or maybe the warm and cold cycles that we enjoy as a planet like the little ice age or mid evil warm period.