Weather archive in Heris

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
2025 September 20, Saturday	10:30	14.1 57	623.0 24.53 830.6 830.6	756.4 29.78 1008.45 1008.45	1.1 0.04 1.47 1.47	42	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	28.0 17.4	1.4 35	No precipitation No precipitation	6	Dry (without cracks, no appreciable amount of dust or loose sand)	1.0 34
	07:30	5.5 42	621.9 24.48 829.13 829.13	756.1 29.77 1008.05 1008.05	1.0 0.04 1.33 1.33	67	Wind blowing from the east	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			20–30%. 2/10–3/10. 2 oktas				4.7 40	22.7 73	Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	18.0 11.2	-0.3 31
	04:30	9.0 48	620.9 24.44 827.8 827.8	752.8 29.64 1003.65 1003.65	-0.3 -0.01 -0.4 -0.4	56	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	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.	12.0 7.5	0.7 33	No precipitation No precipitation	6
	01:30	11.3 52	621.2 24.46 828.2 828.2	752.7 29.63 1003.52 1003.52	1.5 0.06 2 2	59	Wind blowing from the west-southwest	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			60%. 6/10. 5 oktas						Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 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.	12.0 7.5	3.6 38
September 19, Friday	22:30	17.9 64	619.7 24.4 826.2 826.2	750.0 29.53 999.92 999.92	1.8 0.07 2.4 2.4	37	Wind blowing from the west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			20–30%. 2/10–3/10. 2 oktas	Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	3.0 37	No precipitation No precipitation	6
	19:30	22.9 73	617.9 24.33 823.8 823.8	750.0 29.53 999.92 999.92	-0.3 -0.01 -0.4 -0.4	21	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			20–30%. 2/10–3/10. 2 oktas	Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	10.9 52	28.6 83	Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	7.0 4.4	-0.6 31
	16:30	27.8 82	618.2 24.34 824.2 824.2	748.4 29.46 997.78 997.78	-1.4 -0.06 -1.87 -1.87	17	Wind blowing from the south-west	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			40%. 4/10. 3 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	40%. 4/10. 3 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	0.5 33	No precipitation No precipitation	6
	13:30	26.7 80	619.6 24.39 826.07 826.07	750.1 29.53 1000.05 1000.05	-0.9 -0.04 -1.2 -1.2	21	Wind blowing from the south-southwest	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						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	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	12.0 7.5	2.5 37
	10:30	24.0 75	620.5 24.43 827.27 827.27	751.0 29.57 1001.25 1001.25	0.5 0.02 0.67 0.67	25	Wind blowing from the west-southwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											14.0 8.7	2.8 37	No precipitation No precipitation	6	Dry (without cracks, no appreciable amount of dust or loose sand)	7.0 45