Michael F. Wehner? 😉

@mfwehner your name may have been raised here

Yes, I'll be putting MFW's code in here for us to chip away at. We'll get him in the loop!

@mfwehner see updated code with print statements to track down error:
https://github.com/PCMDI/pcmdi_metrics/blob/534_pjg_mfw_extremes/src/python/devel/extremes/scripts/driver_extrema_longrun_pentad.py

Compare with execution below ... I suspect the slab.shape should be ~365 but its the entire timeseries...

(pmp_0808_py2.7) bash-4.1$ python -i driver_extrema_longrun_pentad.py
starting annual y1 y2 and time.shape 61 205 (145,)
t1 and t2 beg end 53288.5 53289.5 53288.5 53289.5
b e tim[b] and tim[e] 0 -1 0.5 53289.5
time to read year and slab shape 61.3138439655 (53290, 90, 144)
before while ii<ndays