Playing with data from NOAA Global Forecast System using python

Bugger! Blogger barfs out an error when I attempt to upload my ipython notebook. You can find the notebook on github or as a rendered html here.

Here are some pretty generated images:

Horn of Africa zoomed in (Mar 27 2013)

Global 2M temperature in degrees C (Mar 27 2013)

Kenya DOB density plot

Here is a density plot of a sample of Kenyans  based on their year of birth. It's interesting to see the dips correlate with turbulent times; political and military. In the diagram below, the largest unexplained dip is in the early 1970s. Anyone care to explain it; Google and Wikipedia don't return any results?
Click here for a larger image

EDIT:
Could it be the 1969 Kisumu incident?



 


Here is the code used to produce the graph in R