Climate Change Chart of Cali, Colombia

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +0.76 °C compared with the earlier reference period; this is an unweighted mean of monthly means, not a day-weighted annual average or a measure of daytime maximum temperatures. The largest monthly increase was in December, with a difference of +0.99 °C. That identifies the strongest monthly increase, not a uniform change across every month.

Changes in rainfall

Mean daily rainfall, rather than monthly rainfall totals, had an unweighted difference across calendar-month means of +2.67 mm/day compared with the earlier reference period. The change varied by month: July had the largest increase, a difference of +12.96 mm/day, while November had the largest decrease, a difference of -4.89 mm/day. These monthly extremes show that the overall mean difference does not describe every month’s direction or magnitude.

Changes in sunshine duration

Mean daily sunshine duration increased by a difference of +1.54 hours/day when averaged across calendar months; this is an unweighted mean of monthly means, not a day-weighted annual average. The largest monthly increase occurred in July, where the difference was +2.70 hours/day. This highlights a particularly strong monthly change without implying that sunshine increased by the same amount in every month.