The number of new coronavirus cases recorded nationwide each day is dropping after peaking at more than 75,000 — but the declines are muddied by issues with testing and data-gathering in big states.

Populous California and Florida have the largest decreases in the past month in raw numbers: Florida’s average daily cases have tumbled to about 7,300 from a peak of nearly 12,000, while California surpassed 10,000 before dropping close to 7,000. Those two states also have reported major data snags.

California Gov. Gavin Newsom (D) noted a big drop in daily cases, but officials warned a day later that issues with the reporting system were causing an undercount. Florida’s numbers, meanwhile, were disrupted by Hurricane Isaias, which led officials to suspend coronavirus testing at dozens of sites.

Here are some significant developments: