For example, a measurement given as 12.14 +/- 0.01 cm is more precise than one given as 12 +/- 1 cm. Higher precision does not necessarily imply higher accuracy. Statistical (random) Uncertainty: This is the inescapable fact that every time you repeat a measurement, you will get a slightly different value.
The earliest sunrise of the month at Athens Eleftherios Venizelos International Airport is 6:01 AM on June 13 and the latest sunrise is 4 minutes later at 6:04 AM on June 30. The earliest sunset is 8:40 PM on June 1 and the latest sunset is 10 minutes later at 8:50 PM on June 28.
The clearer part of the year at Athens Eleftherios Venizelos International Airport begins around May 27 and lasts for 4.0 months, ending around September 28. On July 23, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 99% of the time, and overcast or mostly cloudy 1% of the time.