Weather archive in Chaek

To receive explanations, hover over the appropriate heading

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 12, Wednesday	18	26.8 80	624.3 24.58 832.33 832.33		0.5 0.02 0.67 0.67	42	Calm, no wind	Calm			60%. 6/10. 5 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	50.0 31.1	12.8 55
	15	30.0 86	623.8 24.56 831.67 831.67		-1.3 -0.05 -1.73 -1.73	32	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			60%. 6/10. 5 oktas						Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	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	11.7 53
	12	21.8 71	625.1 24.61 833.4 833.4		-1.2 -0.05 -1.6 -1.6	55	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	50.0 31.1	12.3 54
	09	18.2 65	626.3 24.66 835 835		0.4 0.02 0.53 0.53	77	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Cloud development not observed or not observable.			13.8 57		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	14.0 57	2.0 0.08	12	Surface of ground moist.
	06	14.0 57	625.9 24.64 834.46 834.46		0.3 0.01 0.4 0.4	96	Calm, no wind	Calm			60%. 6/10. 5 oktas	State of sky on the whole unchanged.	Shower(s).	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Stratocumulus other than Stratocumulus cumulogenitus.	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	13.4 56
	03	15.1 59	625.6 24.63 834.06 834.06		0.3 0.01 0.4 0.4	79	Calm, no wind	Calm			100%. 10/10. 8 oktas	Rain shower(s), slight.					Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	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.		11.5 53
	00	18.6 65	625.3 24.62 833.66 833.66		0.6 0.02 0.8 0.8	70	Calm, no wind	Calm			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.		12.9 55
August 11, Tuesday	21	21.2 70	624.7 24.59 832.87 832.87		1.3 0.05 1.73 1.73	66	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 oktas					28.8 84	Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	14.6 58
August 11, Tuesday	18	25.6 78	623.4 24.54 831.13 831.13		0.7 0.03 0.93 0.93	55	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	15.8 60