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Daily total at Pelham center as a share of that day's wettest nearby cell — 100% would mean Pelham center got the same as the wettest spot within 25 km; well under 100% is the normal case here. Dry days are left out, since a near-zero ratio between two tiny totals doesn't say anything.
Ranked by what actually fell at Pelham center, since .
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Regional (within 25 km) PurpleAir PM2.5, EPA/Barkjohn bias-corrected — a real improvement over a raw reading, but not yet checked against a real reference monitor near Pelham, so treat it as a good estimate rather than a certified AQI category.
Daily precipitation at Pelham center against Beaver Brook's gage height over the same period — two charts, same time axis, so a storm's rain total and the brook's response sit directly above one another. Two different units never share one axis; see the main dashboard for exactly where Beaver Brook's gauge sits.
Pick a gauge, or two to compare directly — both charts share the same time axis. Optionally overlay Pelham center's own daily precipitation, stacked above rather than sharing an axis with gage height (see "Rain vs. river" above for why).
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