Name Sunday, 11 of May Saturday, 10 of May average on Sunday average for 7 days from 15 to 30 minutes 0 ? 0.5 0 from 1 to 3 hours 0 ? 0.25 0 from 3 to 12 hours 1 ? 0.25 1 from 12 to 24 hours 1 ? 2.5 1 from 1 to 3 days 1 ? 0.25 1 from 3 to 7 days 0 ? 0.5 0 from 7 to 14 days 1 ? 0.75 1 amount of selected 4 ? 5 4 total 4 ? 5 4