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Appendix 3. Mean solar UV-A radiation incident on a horizontal surface
measured on 3 consecutive days (7-9 October 1983) in Beirut (34° N)
under clear-sky conditions.
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| Time of day | Itensity (mW/cm2) | Time of day | Intensity (mW/cm2) |
| 0835 | 500 | 1225 | 1 050 |
| 0845 | 555 | 1235 | 985 |
| 0855 | 615 | 1245 | 955 |
| 0905 | 660 | 1255 | 915 |
| 0915 | 705 | 1305 | 875 |
| 0925 | 745 | 1315 | 840 |
| 0935 | 790 | 1325 | 780 |
| 0945 | 850 | 1335 | 760 |
| 0955 | 910 | 1345 | 710 |
| 1005 | 960 | 1355 | 665 |
| 1015 | 990 | 1405 | 625 |
| 1025 | 1 025 | 1415 | 565 |
| 1035 | 1 060 | 1425 | 515 |
| 1045 | 1 075 | 1435 | 455 |
| 1055 | 1 095 | 1445 | 415 |
| 1105 | 1 095 | 1455 | 365 |
| 1115 | 1 100 | 1505 | 310 |
| 1125 | 1 085 | 1515 | 280 |
| 1135 | 1 095 | 1525 | 130 |
| 1145 | 1 105 | 1535 | 110 |
| 1155 | 1 095 | 1545 | 90 |
| 1205 | 1 195 | 1555 | 70 |
| 1215 | 1 085 | ||