Climate Change Chart of Kota Kinabalu, Malaysia

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +0.59 °C compared with the earlier reference period. This is an unweighted mean of the monthly means, not a day-weighted annual average, and it describes the aggregate rather than every individual month. The largest monthly increase was in April, with a difference of +0.94 °C. These figures describe monthly mean temperature, not daytime maximum temperatures, and do not imply that every month warmed by the same amount.

Changes in rainfall

Averaged across calendar months, mean daily rainfall increased by a difference of +0.92 mm/day. This is an unweighted average of monthly means, not a day-weighted annual average or a monthly rainfall total; the aggregate does not describe every individual month. The largest monthly increase occurred in December, with a difference of +3.53 mm/day. By contrast, April recorded the largest monthly decrease, a difference of -0.73 mm/day. These are changes in mean daily rainfall, not monthly totals, and show that the monthly differences were not uniform.

Changes in sunshine duration

Averaged across calendar months, mean daily sunshine duration decreased by a difference of -0.53 hours/day compared with the earlier reference period. This unweighted mean summarizes the monthly averages rather than describing each month individually. The largest monthly decrease was in January, with a difference of -1.08 hours/day. This is a difference in mean daily sunshine hours for that month, not a measure of total sunshine over the month.