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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	30	27	18	15	16	17	19	22	28	32	31	31	32
Average high, °C	20	16	11	9	8	9	12	14	18	21	24	23	15
Average temperature, °C	14	10	6	4	4	4	6	8	12	15	17	16	10
Average low, °C	10	7	4	2	2	2	3	5	8	11	13	13	7
Record low, °C	1	-4	-7	-17	-12	-11	-12	-6	-1	2	6	3	-17
Rain, days	9	11	11	11	12	9	10	9	9	9	8	8	114
Snow, days	0	0	0	1	4	5	2	1	0	0	0	0	13
Fog, days	12	13	12	12	9	7	7	7	8	8	6	9	110
Thunderstorms, days	1	1	0	0	0	0	0	1	2	3	2	3	13
Average precipitation, mm.	56	62	59	53	49	39	40	43	47	52	59	57	616
Relative humidity, %	73	79	84	84	83	79	75	71	68	67	67	68	75
Relative humidity morning, %	91	91	90	89	88	88	87	87	86	85	86	89	88
Relative humidity evening, %	62	70	76	80	77	72	65	58	58	57	56	56	66
Wind speed, km/h	8	8	9	10	12	12	11	11	10	10	11	9	10
Day Length, часов	13	11	10	9	9	11	13	15	16	17	17	15	13
Dew point, °C	10	7	5	3	2	1	2	3	6	10	12	11	72
Growing degree-day, °C	117	0	0	0	0	0	0	0	52	150	207	172	697
Solar radiation, global, Mj/m²	10	6	3	2	3	5	9	13	17	18	17	15	10