Weather archive in Kostroma

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Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 May 15, Friday	21	18.6 65	743.0 29.25 990.59 990.59	754.0 29.69 1005.25 1005.25	0.8 0.03 1.07 1.07	72	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft	100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	60%. 6/10. 5 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	13.5 56
	18	23.2 74	742.2 29.22 989.52 989.52	753.1 29.65 1004.05 1004.05	-0.1 -0 -0.13 -0.13	55	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.		24.6 76	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	60%. 6/10. 5 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	13.5 56	Trace of precipitation Trace of precipitation	12
	15	23.1 74	742.3 29.22 989.65 989.65	753.2 29.65 1004.18 1004.18	-0.2 -0.01 -0.27 -0.27	54	Wind blowing from the south-east	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.		20.0 12.4	13.3 56
	12	21.5 71	742.5 29.23 989.92 989.92	753.4 29.66 1004.45 1004.45	0.2 0.01 0.27 0.27	64	Wind blowing from the south-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	14.4 58
	09	17.6 64	742.3 29.22 989.65 989.65	753.4 29.66 1004.45 1004.45	0.1 0 0.13 0.13	80	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	60%. 6/10. 5 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	14.1 57
	06	14.7 58	742.2 29.22 989.52 989.52	753.4 29.66 1004.45 1004.45	-0.2 -0.01 -0.27 -0.27	91	Calm, no wind	Calm			100%. 10/10. 8 oktas				13.2 56				600-1000 1968-3281			20.0 12.4	13.2 56	No precipitation No precipitation	12	Surface of ground moist.	11.0 52
	03	14.2 58	742.4 29.23 989.79 989.79	753.6 29.67 1004.72 1004.72	-0.2 -0.01 -0.27 -0.27	94	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	50.0 31.1	13.3 56
	00	14.7 58	742.6 29.24 990.05 990.05	753.9 29.68 1005.12 1005.12	0.0 0 0 0	88	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas	State of sky on the whole unchanged.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	12.7 55
May 14, Thursday	21	14.7 58	742.6 29.24 990.05 990.05	753.8 29.68 1004.98 1004.98	0.3 0.01 0.4 0.4	100	Calm, no wind	Calm			100%. 10/10. 8 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	14.7 58