HUMIDITY AND CLOUD COVER FORECAST FOR PARANAL, CHILE. Forecast period starting at 15:00 on 2013.05.19 (day 139 of 2013). Forecast Period | HUMIDITY | CLOUD COVER (UTC) | Avg UTH(%) Sig UTH PWV(mm) | %Total %Opaque %Transp. T.Index | CldAdj 2013.05.19 15h | 8.6 0.9 4.99 | 0 0 0 1.00 | 0 2013.05.19 15h-18h | 8.6 0.7 5.02 | 0 0 0 1.00 | 0 2013.05.19 18h-21h | 8.0 0.7 4.97 | 0 0 0 1.00 | 0 2013.05.19 21h-00h | 7.4 0.7 4.96 | 0 0 0 1.00 | 0 2013.05.20 00h-03h | 7.5 0.6 5.03 | 0 0 0 1.00 | 0 2013.05.20 03h-06h | 8.3 0.5 5.16 | 0 0 0 1.00 | 0 2013.05.20 06h-09h | 9.1 0.7 5.30 | 0 0 0 1.00 | 0 2013.05.20 09h-12h | 9.5 1.0 5.34 | 0 0 0 1.00 | 0 2013.05.20 12h-15h | 9.4 0.8 5.30 | 0 0 0 1.00 | 0 2013.05.20 15h-18h | 9.7 1.3 5.33 | 0 0 0 1.00 | 0