Labels:cabinet | earth | seine | sky OCR: 110 Observed 100 Farecast 90 80 70 60 50 30 20 0f 30 20 1 .20 0 40 -50. -60 .75 81 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1993 Planetary A-Index All Forec asters Figure 11-23. Tirre history plot for next-day Planetary A-Index forecasts January- 31 Decerber 1993 Observed values are traced the bold line. The errors(f- are shown in separate plot at the bottorn Obsered Forecast Forerasters Time Decenber bottom
