7/1/2024: NUMBER THEORY: (2014-2023 average compared to 1981-2010 average)
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No change or shorter 0.0-0.5 days longer 0.5-1.0 days longer 1.0-2.0 days longer 2.0-2.9 days longer
No change or shorter 0.0-0.5 days longer 0.5-1.0 days longer 1.0-2.0 days longer 2.0-2.9 days longer