Climate Change Chart of Mossul, Iraq

Overview of climate changes

Temperature changes

Across calendar months, the mean difference in monthly mean temperature was +0.81 °C in the more recent reference period; this is an unweighted comparison of monthly means, not a day-weighted annual average or a measure of daytime highs. The largest monthly increase was in March, with a difference of +1.79 °C. By contrast, November had the largest monthly decrease, a difference of -0.80 °C. These are differences between period averages, not evidence that temperatures changed steadily between them.

Changes in rainfall

Mean daily rainfall averaged across calendar months had a difference of +0.05 mm/day in the more recent period, a small aggregate increase that does not mean rainfall rose in every month. The largest monthly increase was in November, with a difference of +0.84 mm/day, while January had the largest decrease, a difference of -0.32 mm/day. These figures describe daily mean amounts, not monthly rainfall totals or the number of rainy days.

Changes in sunshine duration

Mean daily sunshine duration averaged across calendar months had a difference of -0.32 hours/day. The largest monthly decrease was in December, with a difference of -0.64 hours/day; the largest increase was in January, at +0.13 hours/day. These comparisons describe average daily sunshine, not the conditions on every day.