Weather archive in Semnan (airport)

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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 September 13, Sunday	07:30	22.4 72	668.4 26.31 891.13 891.13	758.8 29.87 1011.65 1011.65	0.4 0.02 0.53 0.53	25	Wind blowing from the north-west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			40%. 4/10. 3 oktas				21.2 70	29.2 85	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus cumulogenitus (or cumulonimbogenitus).	No Cirrus, Cirrocumulus or Cirrostratus.	12.0 7.5	1.4 35
	04:30	21.9 71	668.0 26.3 890.59 890.59	757.9 29.84 1010.45 1010.45	0.1 0 0.13 0.13	30	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	No Cirrus, Cirrocumulus or Cirrostratus.	12.0 7.5	3.6 38	No precipitation No precipitation	6
	01:30	24.1 75	667.9 26.3 890.46 890.46	757.6 29.83 1010.05 1010.05	-0.4 -0.02 -0.53 -0.53	26	Calm, no wind	Calm			no clouds no clouds no clouds											12.0 7.5	3.4 38
September 12, Saturday	22:30	26.1 79	668.3 26.31 890.99 890.99	758.3 29.85 1010.98 1010.98	0.9 0.04 1.2 1.2	25	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds											12.0 7.5	4.6 40	No precipitation No precipitation	6
	19:30	28.9 84	667.4 26.28 889.79 889.79	757.3 29.81 1009.65 1009.65	0.5 0.02 0.67 0.67	20	Wind blowing from the north-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			20–30%. 2/10–3/10. 2 oktas				23.8 75	32.9 91	Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	12.0 7.5	3.7 39
	16:30	32.1 90	666.9 26.26 889.13 889.13	756.1 29.77 1008.05 1008.05	-1.0 -0.04 -1.33 -1.33	17	Wind blowing from the east-northeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			50%. 5/10. 4 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	Altocumulus cumulogenitus (or cumulonimbogenitus).	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	4.0 39	No precipitation No precipitation	6
	13:30	30.8 87	667.9 26.3 890.46 890.46	757.3 29.81 1009.65 1009.65	-0.8 -0.03 -1.07 -1.07	20	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	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.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	5.3 42
	10:30	26.5 80	668.7 26.33 891.53 891.53	758.5 29.86 1011.25 1011.25	0.7 0.03 0.93 0.93	30	Wind blowing from the south	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally dissolving or becoming less developed.	Thunderstorm(s) with or without precipitation.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	7.5 46	0.2 0.01	6	Surface of ground moist.	21.0 70
	07:30	24.4 76	668.0 26.3 890.59 890.59	757.6 29.83 1010.05 1010.05		31	Calm, no wind	Calm			70 – 80%. 7/10 – 8/10. 6 oktas				23.3 74	31.0 88	Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	1000-1500 3281-4921	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	No Cirrus, Cirrocumulus or Cirrostratus.	15.0 9.3	6.2 43