How could the amount of precipitation (rain or snow) change?
Best case
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Middle case
▲ 2.2 inches
Historical average: 47.8 inches
Projected: 50 inches
Worst case
▲ 1.7 inches
Historical average: 47.8 inches
Projected: 49.5 inches
How many more dry days could there be?
Changes in the number of dry days per year (days when there's less than 0.01 inches of snow or rain) can indicate a tendency toward drier or wetter conditions.