Open Access
Table 1
Overirradiance events and event duration for irradiance peaks at or above the extraterrestrial irradiance of 1367 W/m2 registered at one of the eight Evaluation Sites reported in this paper.
| Duration | Frequency | Frequency (%) | Maximum irradiance (W/m2) | Average irradiance (W) |
|---|---|---|---|---|
| Less than 5 s | 1044 | 31% | 1557 | 1463 |
| Between 5 s and 10 s | 727 | 22% | 1711 | 1559 |
| Between 10 s and 30 s | 983 | 29% | 1673 | 1555 |
| Between 30 s and 1 min | 337 | 10% | 1806 | 1573 |
| Between 1 min and 5 min | 259 | 8% | 1823 | 1649 |
| Greater than 5 min | 24 | 1% | 1564 | 1511 |
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