Temporal and Spatial Variability of Air Temperatures in Estonia during 1756–2014

Table 2

Statistical indicators of the average air temperatures (°C) in Tartu by periods of time.

Indicator	Period	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Year
Median	1821–1900	−7.1	−6.6	−3.4	3.1	10.3	15.2	17.1	15.4	10.9	5.2	−0.8	−4.4	4.5
	1901–2014	−5.3	−6.0	−1.8	4.3	10.7	14.6	16.9	15.7	10.8	5.5	0.5	−3.4	4.9
	1821–2014	−6.4	−6.3	−2.6	3.7	10.5	14.9	16.9	15.6	10.8	5.4	−0.1	−3.7	4.8
Average	1821–1900	−7.4	−6.9	−3.3	3.2	10.1	15.2	17.2	15.6	10.9	5.3	−0.7	−4.8	4.5
	1901–2014	−6.1	−6.2	−2.4	4.4	10.7	14.7	17.1	15.6	10.8	5.4	0.3	−3.2	4.9
	1821–2014	−6.6	−6.5	−2.7	3.9	10.5	14.9	17.1	15.6	10.8	5.3	−0.1	−3.9	4.8
St. dev.	1821–1900	3.9	3.5	2.7	1.9	2.2	1.6	1.9	1.5	1.5	1.8	2.3	3.0	1.0
	1901–2014	4.0	3.8	3.0	2.1	2.1	1.7	1.9	1.5	1.6	1.9	2.3	3.2	1.1
	1821–2014	3.9	4.0	3.1	2.1	2.0	1.7	1.9	1.5	1.6	1.9	2.3	3.3	1.1
Max.	1821–1900	0.0	0.0	1.9	7.7	15.1	19.0	21.9	19.8	14.7	8.4	4.3	0.3	6.6
	1901–2014	1.7	2.4	4.4	9.3	18.3	19.2	22.6	20.2	14.7	8.9	4.2	3.3	7.2
	1821–2014	1.7	2.4	4.4	9.3	18.3	19.2	22.6	20.2	14.7	8.9	4.3	3.3	7.2
Min.	1821–1900	−17.0	−17.6	−9.6	−0.5	3.8	10.6	11.0	12.4	7.3	−0.3	−5.5	−14.2	2.3
	1901–2014	−16.6	−15.5	−10.8	−0.9	6.4	10.9	10.6	12.4	6.6	0.0	−6.8	−13.4	2.5
	1821–2014	−17.0	−17.6	−10.8	−0.9	3.8	10.6	10.6	12.4	6.6	−0.3	−6.8	−14.2	2.3