Climate Change Chart of Davao City, Philippines

Overview of climate changes

Changes in rainfall

Averaged across calendar months, mean daily rainfall had a difference of +2.16 mm/day in the more recent period. This unweighted average describes the monthly means, rather than an annual total or a change applying equally to every month. The largest monthly increase was in January, where mean daily rainfall had a difference of +5.27 mm/day. In September, it instead had the largest monthly decrease, a difference of -0.97 mm/day. These are daily mean amounts, not monthly rainfall totals.

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +0.28 °C compared with the earlier reference period; this is an unweighted average of the monthly means, not a day-weighted annual figure or a measure of daytime maximum temperatures. The largest monthly increase was in February, with a difference of +0.54 °C. By contrast, July had the largest monthly decrease, a difference of -0.08 °C.

Changes in sunshine duration

Averaged across calendar months, mean daily sunshine duration had a difference of -0.21 hours/day compared with the earlier reference period. This is an unweighted average of calendar-month means, so it does not imply the same change in each month. The largest monthly decrease occurred in January, with a difference of -0.89 hours/day per day; December had the largest monthly increase, a difference of +0.16 hours/day per day.