Grafton extreme daily rainfall historyGrafton 90th percentile wet days Grafton 95th percentile very wet days Grafton 99th percentile extremely wet days Grafton 90th percentile rainfall days
Grafton 95th percentile rainfall days
Grafton 99th percentile rainfall days
Note that all chart trendlines are polynomial 4. Usually if the third chart of average mm shows an increase, it is because of a disproportionate reduction in frequency and volume of extreme rainfall days ... i.e the proportionate reduction in the average number of extremely wet days was considerably greater than the average reduction in their mm volume of rainfall (e.g. 10/2 = 5 but 9/1.7 = 5.3). Both the frequency and volume of extreme rainfall days can decline but if the frequency decline is greater than the volume decline, it results in a higher average. Investigate the extreme rainfall history of: Adelaide Ballina Beaudesert Benalla Boonah Brisbane Broadbeach Waters Byron Bay Casino Charleville Cunnamulla Dalby Helidon Kingaroy Kyogle Lismore Mullumbimby Roma Shepparton St George Stanthorpe Tweed Heads Wangaratta Warwick Winton Yamba (click or tap to a detailed rainfall history page for each individual weather station)
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