Chaitanya's Random Pages

July 29, 2016

Distribution of Melbourne’s length of day

Filed under: geography — ckrao @ 10:34 pm
According to timeanddate.com, Melbourne, Australia in 2016 has a minimum daylength of 9 hours 32 minutes and 32 seconds, and a maximum daylength of 14 hours 47 minutes and 19 seconds (the asymmetry is due to the way day length is calculated). Here is a look at the distribution of day length through the year.
Duration of daylength (hrs) Dates Frequency
< 10 19 May-24 July 67
10-10.5 25 July-10 August, 2-18 May 34
10.5-11 11-24 August, 18 April-1 May 28
11-11.5 25 August-6 September, 5-17 April 26
11.5-12 6-19 September, 24 March-4 April 25
12-12.5 20 September-1 October, 12-23 March 24
12.5-13 1-13 October, 28 February-11 March 25
13-13.5 14-26 October, 16-27 February 25
13.5-14 9 Nov, 2-15 Feb 28
14-14.5 10 Nov-27 Nov, 16 Jan-1Feb 35
>14.5 28 Nov-15 Jan 49

What surprised me the most about this was that only 100 days of the year have daylength between 11 and 13 hours and we have a good 84 days with light longer than 14 hours.

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