Bulgaria

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Bulgaria	0.31 ± 0.16	0.61 ± 0.16	0.74 ± 0.16	0.86 ± 0.11	2.01 ± 0.25	4.85 ± 0.24
Europe	0.37 ± 0.21	0.63 ± 0.15	0.88 ± 0.08	1.09 ± 0.10	2.69 ± 0.23	2.94 ± 0.26
Northern Hemisphere	-	0.79 ± 0.16	0.96 ± 0.10	1.19 ± 0.05	2.56 ± 0.20	3.56 ± 0.20
Global Land	0.43 ± 0.18	0.79 ± 0.13	0.91 ± 0.08	1.11 ± 0.03	2.16 ± 0.11	2.78 ± 0.13

Temperature Record Months and Years

Seasonal Changes

Regional Climate Variability

Difference from Global Land Average ( °C, 95% range )

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 2.83	± 1.04	± 0.48	± 0.35	± 0.28

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.47	0.62	0.85	0.92	0.94

Variability in Monthly Means ( °C, 95% range )

Jan	Feb	Mar	Apr	May	Jun
± 4.27	± 4.08	± 3.57	± 2.64	± 2.38	± 2.09
Jul	Aug	Sep	Oct	Nov	Dec
± 1.90	± 2.06	± 2.33	± 2.78	± 3.37	± 3.81

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range