Climate Change Chart of Novosibirsk (Sibiria), Russian Federation

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +1.94 °C compared with the earlier reference period; this is an unweighted comparison 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 +5.80 °C. By contrast, September had the largest monthly decrease, a difference of -0.37 °C.

Changes in snowfall

Mean daily snowfall, averaged across calendar months, was higher by +0.71 mm/day in the more recent period. This is an unweighted comparison of monthly mean daily amounts, not a comparison of monthly snowfall totals. The largest monthly increase in mean daily snowfall was in December, with a difference of +3.73 mm/day. The largest decrease occurred in April, at -2.09 mm/day; these month-specific differences show that the overall mean does not describe every month.

Changes in rainfall

Averaged across calendar months, mean daily rainfall was higher by +0.11 mm/day in the more recent period. This unweighted comparison summarizes monthly mean daily amounts; it is not a comparison of monthly rainfall totals. The largest monthly increase in mean daily rainfall occurred in October, at a difference of +0.33 mm/day. In May, the largest decrease was -0.17 mm/day.

Changes in sunshine duration

Across calendar months, mean daily sunshine duration had a difference of -0.29 hours/day compared with the earlier reference period; this is an unweighted average of monthly means, rather than a day-weighted annual figure. Monthly differences were not uniform: April recorded the largest increase, +0.59 hours/day, while February recorded the largest decrease, -0.96 hours/day.