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Soccer boy[_2_] Soccer boy[_2_] is offline
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Default Probability of random numbers

i am currently working with a some rainfall data and am trying to give a
somewhat probable forecast. i have data for the past 100 years, which gives
me my Average Annual rainfall, and based off of that i can get my standard
Deviation/bell curve. What i want to do is be able to generate random
numbers based off of its probability of happening. Is there a way i can do
this?