Region | Site | Units | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Portland Metro | Portland SE Lafayette | ppb | 6.4 | 8.7 | 10.9 | 12.7 | 14.6 | 16.2 | 17.7 | 19.4 | 21.3 | 21.3 | 21.4 | 21.8 | 22.4 | 23.5 | 24.8 | 26.4 | 27.7 | 28.8 | 29.6 | 30 | 29.3 | 28.4 | 26.2 | 24.2 |
Portland Metro | Tualatin Bradbury Court | ppb | 17.1 | 17.4 | 17 | 16.8 | 16.4 | 16.3 | 15.4 | 14.2 | 12.7 | 11.9 | 11.3 | 11.1 | 11.9 | 12.8 | 14.6 | 16.2 | 17.7 | 18.7 | 19.3 | 20.1 | 19.6 | 18.1 | 16 | 14.3 |