Climate Change Chart of Casablanca, Morocco

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +0.39 °C between the periods; this unweighted summary describes the average of monthly means, not a day-weighted annual average or daytime maximum temperatures. The monthly pattern was not uniform: October had the largest increase, with a difference of +1.19 °C, while March had the largest decrease, with a difference of -0.38 °C. These extrema identify the strongest monthly changes in each direction, rather than implying that every month followed the overall mean.

Changes in rainfall

Mean daily rainfall averaged across calendar months had a difference of +0.03 mm/day; this is an unweighted comparison of monthly means, not a day-weighted annual average or monthly total. Changes differed by month: March recorded the largest increase, a difference of +0.68 mm/day, whereas December recorded the largest decrease, a difference of -0.46 mm/day. These daily-mean differences describe the comparison between reference periods and do not establish that rainfall changed by the same amount on every day within either month.

Changes in sunshine duration

Mean daily sunshine duration, averaged across calendar months, shows a difference of -0.31 hours/day between the reference periods; this unweighted mean of monthly means is not a day-weighted annual average. The largest monthly decrease was in March, with a difference of -0.57 hours/day. That monthly result highlights a stronger decrease than the overall mean difference, but neither figure describes every individual day.