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Dry run

Ragweed counts up, rainfall totals down, as deficits grow.

Rain, but not much, is in the offing for tomorrow, and of late we've noticed a pattern of actual rain not measuring up to promises.

As the National Weather Service observed in its afternoon discussion, "our forecasts have been too wet" this week. So far this week, officially at Philadelphia International Airport not a drop has fallen.

During the last 30 days, just over an inch and a half of rain has been measured throughout Philadelphia, according to the National Weather Service, or about 38 percent of normal.

In the Pennsylvania neighboring counties, precipitation through yesterday was 46 percent of normal in Bucks for the last 30 days; 50 percent in both Delaware and Montgomery, and 60, in Chester.

The five counties also were running significant deficits for the 90-day period.

New Jersey hasn't been as parched, but the 30-day totals were significantly below normal.

The dryness is great for ragweed pollen, but not so great for allergy sufferers, as the region is in a peak period for pollen commuting.

The Asthma Center, the region's official pollen counter, had ragweed in the "high" category this morning.

The rainfall projections for tomorrow have been trimmed back a bit, to about a quarter inch, but that's been the trend.

Whether the dry run will continue is impossible to say, but the region probably is overdue for drought.

In Pennsylvania, Philadelphia and the four Pennsylvania counties were in a state of drought "warning" or "emergency" 12 different times between 1980 and 2002, according to the Department of Environmental Protection.

Parts of the region were under drought warnings in 2010, but warnings haven't covered all five counties since September 2002.