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Common information

Season	Autumn			Winter			Spring			Summer
Month	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Year
Record high, °C	37	32	21	17	16	21	22	28	35	34	36	37	37
Average high, °C	20	15	10	7	6	9	11	13	17	20	23	23	15
Average temperature, °C	15	10	6	4	3	5	7	8	12	15	17	17	10
Average low, °C	9	6	3	1	0	1	2	3	6	9	11	11	5
Record low, °C	0	-5	-16	0	-15	-13	-10	-3	-1	0	3	3	-16
Rain, days	8	13	19	20	19	17	17	14	11	8	5	6	157
Snow, days	0	0	1	2	2	1	1	0	0	0	0	0	7
Fog, days	14	18	18	20	19	17	14	9	6	6	6	9	156
Thunderstorms, days	1	1	1	0	1	1	1	1	1	1	1	1	11
Snowfall, cm.	0	0	2	5	9	3	3	0	0	0	0	0	22
Average precipitation, mm.	40	70	150	140	140	110	100	70	40	40	20	30	950
Relative humidity, %	77	85	89	90	89	85	81	77	73	72	70	72	80
Relative humidity morning, %	86	90	88	86	87	89	89	85	80	78	78	80	85
Relative humidity evening, %	55	66	76	77	76	72	66	59	57	55	52	52	64
Wind speed, km/h	4	6	4	6	6	4	6	6	4	4	4	4	5
Day Length, часов	13	11	10	9	10	11	13	14	16	17	16	15	13
Dew point, °C	8	6	3	0	1	2	3	4	6	8	10	10	61
Growing degree-day, °C	150	17	0	0	0	0	0	0	69	150	241	241	868
Solar radiation, global, Mj/m²	15	8	5	3	4	7	11	15	18	20	21	19	12