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Phoenix got above-average rainfall this monsoon season, thanks to late September storm

cactus and storm
Katherine Davis-Young/KJZZ
Storm clouds form over saguaro cactuses.

Monsoon season has ended, and Phoenix got significant rainfall just under the wire.

Monsoon season officially lasts from June 15 to September 30 in Arizona. It started out very dry — June, July and August each had below-normal monthly rainfall. But last week’s storms were actually wet enough that Phoenix ended the season with an above-average precipitation total.

“We actually managed to do decently well compared to average,” said National Weather Service meteorologist Ryan Worley. “Normally, through an entire monsoon season, we get around 2.43 inches of rain, and we finished just above that — around 2.7 inches.”

Nearly 2 inches of that fell just on Friday and Saturday, Worley said.

“If that event had not occurred, we probably would have seen another season that was well below normal,” Worley said.

Worley said other parts of the state did not fare as well as Phoenix. Flagstaff and Tucson both ended monsoon season with below-average rain totals.

Worley said Phoenix is back to dry weather now, with no rain in the forecast for the next week.

National Weather Service
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Katherine Davis-Young is a senior field correspondent reporting on a variety of issues, including public health and climate change.