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Average NPF event statistics for Class A and B events. All values reported are averages and the corresponding standard deviation of all events in each class. Estimated start time and detection time are rounded to the nearest 15 min interval.
| NPF Event Type | Estimated Start Time | Detection Time | 5–10 nm GR (nm hr−1) | 10–20 nm GR (nm hr−1) | 20–30 nm GR (nm hr−1) |
|---|---|---|---|---|---|
| Class A | 9:30 ± 01:00 | 11:00 ± 1:15 | 2.3 ± 1.2 | 3.1 ± 2.2 | 2.6 ± 1.2 |
| Class B | 14:00 ± 4:30 | 3.7 ± 2.9 | 3.3 ± 2.3 |
