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 1, Tuesday	14	-12.3 10	724.4 28.52 965.79 965.79	726.7 28.61 968.85 968.85	-0.6 -0.02 -0.8 -0.8	71	Wind blowing from the south-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Snow not falling as shower(s).	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.	70 – 80%. 7/10 – 8/10. 6 oktas	100-200 328-656	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	5.0 3.1	-16.6 2	0.2 0.01	6
	11	-6.7 20	725.0 28.54 966.59 966.59	727.3 28.63 969.65 969.65	-0.5 -0.02 -0.67 -0.67	81	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)		28 m/s 101 km/h 63 mph 54 knots 10 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	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-9.5 15
	08	-7.1 19	725.5 28.56 967.25 967.25	727.7 28.65 970.19 970.19	2.1 0.08 2.8 2.8	80	Wind blowing from the south-west	Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft)	25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft	28 m/s 101 km/h 63 mph 54 knots 10 Bft	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				-7.3 19	-3.5 26	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-10.0 14					Even layer of loose dry snow covering ground completely.	12 4.7
	05	-3.9 25	723.4 28.48 964.45 964.45	725.6 28.57 967.39 967.39	-1.8 -0.07 -2.4 -2.4	78	Wind blowing from the west	Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft)			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.	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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-7.2 19
	02	-3.7 25	725.2 28.55 966.85 966.85	727.4 28.64 969.79 969.79	-3.0 -0.12 -4 -4	76	Wind blowing from the west	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.	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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-7.3 19
August 31, Monday	23	-4.1 25	728.2 28.67 970.85 970.85	730.4 28.76 973.79 973.79	1.1 0.04 1.47 1.47	87	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			20–30%. 2/10–3/10. 2 oktas						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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-6.0 21
	20	-3.7 25	727.1 28.63 969.39 969.39	729.4 28.72 972.45 972.45	-1.8 -0.07 -2.4 -2.4	86	Wind blowing from the west	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			20–30%. 2/10–3/10. 2 oktas				-3.8 25	3.0 37	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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-5.8 22
	17	-3.3 26	728.9 28.7 971.79 971.79	731.2 28.79 974.85 974.85	-0.6 -0.02 -0.8 -0.8	86	Wind blowing from the west-northwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)		21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft	40%. 4/10. 3 oktas						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 (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	-5.4 22
	14	0.7 33	729.5 28.72 972.59 972.59	731.8 28.81 975.65 975.65	-1.7 -0.07 -2.27 -2.27	88	Wind blowing from the west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	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 uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-1.1 30