What was the average daily amount of precipitation in Bellingham in 2020?

Many rows have NaN, which means missing data. Let's filter out only rows wiht report type "SOD". We found that it's not actually "SOD", but "SOD ", so we instead found all rows that contain the string "SOD" in the REPORT_TYPE column:

We can visualize the frequency of different values with the plot.hist function. Check out the documentation for more on how to control the bin size, which can be important depending on your data.

Show a bunch of useful summary stats: