Speaking of my weather station, here is a little data from my backyard weather station, before it fell over. First, I have a plot of the temperature, sampled every half an hour. I plotted a best fit line, though the squared residuals value is low. The slope is positive as the temperature climbs as we approach spring, and the seemingly low R^2 value (0.2) has more to do with the diurnal nature of the surface temperature more so than the failure of the trendline to represent the data. If I were to plot the high temperatures and low temperatures through the same time, I bet the R^2 values for each of those will be much more representative.
The relative pressure shows a strong low pressure system, followed by a persistent high pressure system.
There were three precipitation events throughout this time frame as well.
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