Climate Change Chart of Kampot, Cambodia

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +1.02 °C in the more recent period; this is an unweighted mean of the monthly means, not a day-weighted annual average or a measure of daytime maximum temperatures. The largest monthly increase in mean temperature occurred in March, with a difference of +1.56 °C. That identifies the strongest increase among the supplied monthly comparisons, rather than a change that necessarily applies to every month.

Changes in rainfall

The unweighted mean difference across calendar-month means for daily rainfall was +0.15 mm/day in the more recent period; it is not a day-weighted annual average, and the figures describe mean daily amounts rather than monthly totals. The largest monthly increase in mean daily rainfall was in October, at a difference of +2.22 mm/day. This monthly change does not mean that rainfall increased by the same amount in every month. By contrast, September had the largest monthly decrease, with a difference of -1.65 mm/day in mean daily rainfall. Together, these opposing monthly changes show why the across-month mean should not be read as a uniform shift throughout the year.

Changes in sunshine duration

Mean daily sunshine duration had an across-calendar-month mean difference of -0.21 hours/day. This is an unweighted average of monthly means, not a day-weighted annual figure, and it does not describe every individual month. The largest monthly decrease in mean daily sunshine was in July, with a difference of -0.71 hours/day. The largest monthly increase occurred in September, at a difference of +0.18 hours/day, so the monthly comparisons vary in direction.