Weather archive in Esperanza Base

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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 19, Saturday	05	-14.1 7	732.4 28.83 976.45 976.45	734.7 28.93 979.52 979.52	1.2 0.05 1.6 1.6	75	Wind blowing from the south-southwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas	Intermittent fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Blizzard			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			1.0 0.6	-17.6 0
2026 September 19, Saturday	02	-11.4 11	731.2 28.79 974.85 974.85	733.5 28.88 977.92 977.92	1.2 0.05 1.6 1.6	79	Wind blowing from the south-southwest	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Blizzard			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			0.5 0.3	-14.3 6	Trace of precipitation Trace of precipitation	6
September 18, Friday	23	-10.1 14	730.0 28.74 973.25 973.25	732.2 28.83 976.19 976.19	-0.1 -0 -0.13 -0.13	81	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, moderate at time of observation.	Snow and/or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			2.0 1.2	-12.7 9
	20	-6.7 20	730.1 28.74 973.39 973.39	732.4 28.83 976.45 976.45	0.6 0.02 0.8 0.8	86	Calm, no wind	Calm			100%. 10/10. 8 oktas	Continuous fall of snowflakes, moderate at time of observation.	Snow and/or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-6.9 20	0.6 33	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			3.0 1.9	-8.7 16	Trace of precipitation Trace of precipitation	6
	17	-0.9 30	729.5 28.72 972.59 972.59	731.8 28.81 975.65 975.65	0.6 0.02 0.8 0.8	89	Wind blowing from the west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			50%. 5/10. 4 oktas						Stratus nebulosus or Stratus 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	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	10.0 6.2	-2.5 28
	14	-0.7 31	728.9 28.7 971.79 971.79	731.2 28.79 974.85 974.85	-1.7 -0.07 -2.27 -2.27	86	Wind blowing from the west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)		26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft	60%. 6/10. 5 oktas						Stratus nebulosus or Stratus 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	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	10.0 6.2	-2.8 27
	11	0.1 32	730.6 28.76 974.05 974.05	732.8 28.85 976.99 976.99	0.0 0 0 0	87	Wind blowing from the west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)	21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft	26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft	70 – 80%. 7/10 – 8/10. 6 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	10.0 6.2	-1.9 29
	08	-1.1 30	730.6 28.76 974.05 974.05	732.7 28.85 976.85 976.85	0.9 0.04 1.2 1.2	85	Wind blowing from the south-west	Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft)	29 m/s 104 km/h 65 miles/hour 56 knots 11 Bft	31 m/s 112 km/h 69 miles/hour 60 knots 11 Bft	50%. 5/10. 4 oktas				-4.8 23	1.2 34	Stratus nebulosus or Stratus 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	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	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.	10.0 6.2	-3.3 26					Even layer of loose dry snow covering ground completely.	10 3.9
	05	-1.6 29	729.7 28.73 972.85 972.85	731.9 28.81 975.79 975.79	-0.7 -0.03 -0.93 -0.93	92	Wind blowing from the west	Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft)			40%. 4/10. 3 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	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.	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.	10.0 6.2	-2.7 27