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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	35	35	33	33	40	36	42	41	40	32	38	37	42
Average high, °C	30	31	31	31	31	33	33	33	33	31	29	28	31
Average temperature, °C	27	27	27	26	26	27	28	28	29	28	27	26	27
Average low, °C	23	23	23	20	19	20	21	22	23	23	23	23	22
Record low, °C	22	18	15	12	8	10	11	11	17	18	21	22	8
Rain, days	7	3	1	1	1	1	1	1	1	4	11	13	45
Fog, days	1	1	3	7	5	6	7	2	3	1	1	0	37
Thunderstorms, days	4	4	1	0	0	0	0	0	0	3	3	4	19
Average precipitation, mm.	440	237	47	4	0	1	0	1	52	225	570	681	2257
Relative humidity, %	88	79	70	59	53	55	53	55	64	74	78	83	68
Relative humidity morning, %	92	91	86	73	62	71	77	78	83	89	91	93	82
Relative humidity evening, %	76	68	55	40	33	34	39	46	55	69	78	80	56
Wind speed, km/h	10	9	8	10	12	12	12	13	14	12	12	12	11
Day Length, часов	13	12	12	12	12	12	12	12	13	13	13	13	12
Dew point, °C	24	23	21	17	16	17	17	18	21	23	23	23	244
Growing degree-day, °C	498	533	513	481	496	472	555	549	577	525	515	505	6218
Solar radiation, global, Mj/m²	17	18	19	19	20	22	24	24	23	19	17	16	20