I thought l would start collecting rainfall (or lack of it), time series data from around the world.
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This example was produced by ‘SURLY BOND’
–NOTICE THE SAW TOOTH WAVE FORM AND THE STEP SEQUENCE
-In this graph the inflection point cliff drop were in 1896 and then again at the climate shift at 1976.
The time between the 2 saw tooth drops = 1896 – 1976 = 80 yrs
Note ‘surly’s’ comments
“The oscillation between higher and lower values in nature is often modelled as a smooth harmonic curve.
That does not fit well here.
Not only does the rise from 1897 to 1976 fail to curve down approaching the final peak, the falls from 1892 to 1900 and from 1975 to 1987 are extremely sharp. They are collapses.”
I WILL SLOWLY ADD TO THE COLLECTION IN THE COMMENTS BELOW
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