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chipj29 · 07-17-2008, 05:55 PM

Just remember this little formula. If you see the POP (Probability of Precipitation), there is an inverse to that. PONP (Probability of NO precipitation).
If it says there is a 30% POP/chance of rain, that means there is a 70% PONP.

OK I just made that up...but it is true. To me, anyway.

07-17-2008, 05:55 PM	#7
chipj29 Senior Member Join Date: Apr 2004 Location: Bow Posts: 1,874 Thanks: 521 Thanked 308 Times in 162 Posts	Simple Formula Just remember this little formula. If you see the POP (Probability of Precipitation), there is an inverse to that. PONP (Probability of NO precipitation). If it says there is a 30% POP/chance of rain, that means there is a 70% PONP. OK I just made that up...but it is true. To me, anyway.