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 August 19, Wednesday	21	13.7 57	743.8 29.28 991.65 991.65	755.2 29.73 1006.85 1006.85	1.3 0.05 1.73 1.73	87	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	50%. 5/10. 4 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	11.6 53
	18	17.6 64	742.5 29.23 989.92 989.92	753.6 29.67 1004.72 1004.72	1.4 0.06 1.87 1.87	67	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)		11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft	100%. 10/10. 8 oktas					22.2 72	Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	11.4 53	0.4 0.02	12
	15	20.5 69	741.1 29.18 988.05 988.05	752.1 29.61 1002.72 1002.72	1.9 0.07 2.53 2.53	54	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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	No Altocumulus, Altostratus or Nimbostratus.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	20.0 12.4	10.9 52
	12	21.0 70	739.2 29.1 985.52 985.52	750.1 29.53 1000.05 1000.05	0.3 0.01 0.4 0.4	76	Wind blowing from the south-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)		11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 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	No Altocumulus, Altostratus or Nimbostratus.	Cirrocumulus alone, or Cirrocumulus accompanied by Cirrus or Cirrostratus or both, but Cirrocumulus is predominant.	20.0 12.4	16.6 62
	09	18.2 65	738.9 29.09 985.12 985.12	749.9 29.52 999.78 999.78	-2.2 -0.09 -2.93 -2.93	100	Wind blowing from the south-east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft	11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft	100%. 10/10. 8 oktas	State of sky on the whole unchanged.	Thunderstorm(s) with or without precipitation.	Shower(s).			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	20.0 12.4	18.2 65
	06	15.2 59	741.1 29.18 988.05 988.05	752.3 29.62 1002.98 1002.98	-0.9 -0.04 -1.2 -1.2	100	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Thunderstorm, but no precipitation at the time of observation.	Thunderstorm(s) with or without precipitation.	Shower(s).	14.9 59		Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	100%. 10/10. 8 oktas	600-1000 1968-3281			20.0 12.4	15.2 59	3.0 0.12	12	Surface of ground moist.	14.0 57
	03	16.2 61	742.0 29.21 989.25 989.25	753.1 29.65 1004.05 1004.05	-0.9 -0.04 -1.2 -1.2	84	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	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			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.	Cirrocumulus alone, or Cirrocumulus accompanied by Cirrus or Cirrostratus or both, but Cirrocumulus is predominant.	50.0 31.1	13.5 56
	00	17.3 63	742.9 29.25 990.45 990.45	754.0 29.69 1005.25 1005.25	-0.6 -0.02 -0.8 -0.8	81	Wind blowing from the south-east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			100%. 10/10. 8 oktas	Shower(s) of rain.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.		50.0 31.1	13.9 57
August 18, Tuesday	21	15.5 60	743.5 29.27 991.25 991.25	754.7 29.71 1006.18 1006.18	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.	Cirrocumulus alone, or Cirrocumulus accompanied by Cirrus or Cirrostratus or both, but Cirrocumulus is predominant.	50.0 31.1	15.5 60