|
Appendix 5. Solar UV-A intensity (W/m2) relative to the
global radiation (G) incident on inclined (35°)
south-facing surfaces in Beirut under overcast- (21 April 1985) and
clear-sky (24 April 1985) conditions.
| |||||||
| Time of day | Overcast | Time of day | Clear | ||||
| UV-A | G | UV-A/G (%) | UV-A | G | UV-A/G (%) | ||
| 0943 | 6.2 | 120 | 5.17 | 0848 | 13.7 | 215 | 6.37 |
| 1028 | 6.9 | 130 | 5.31 | 0916 | 16.6 | 300 | 5.53 |
| 1047 | 7.1 | 140 | 5.71 | 0930 | 17.8 | 340 | 5.24 |
| 1122 | 6.9 | 145 | 4.76 | 0951 | 19.8 | 430 | 4.60 |
| 1149 | 5.5 | 110 | 5.00 | 1000 | 20.9 | 440 | 4.75 |
| 1218 | 5.1 | 105 | 4.86 | 1019 | 21.5 | 580 | 3.71 |
| 1252 | 5.2 | 95 | 5.47 | 1045 | 23.0 | 680 | 3.38 |
| 1319 | 4.3 | 85 | 5.06 | 1055 | 23.4 | 680 | 3.44 |
| 1330 | 9.7 | 165 | 5.88 | 1107 | 23.8 | 700 | 3.40 |
| 1351 | 5.9 | 115 | 5.13 | 1119 | 23.8 | 710 | 3.35 |
| Mean | 6.3 | 125 | 5.24 | Mean | 20.4 | 508 | 4.38 |
| +/- SD | +/-1.5 | +/-27 | +/-0.36 | +/- SD | +/-3.4 | +/-186 | +/-1.08 |