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 24, Thursday	05	-6.3 21	721.7 28.41 962.19 962.19	723.9 28.5 965.12 965.12	-0.9 -0.04 -1.2 -1.2	81	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 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	300-600 984-1968	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.	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	-9.0 16
2026 September 24, Thursday	02	-6.7 20	722.6 28.45 963.39 963.39	724.9 28.54 966.45 966.45	0.0 0 0 0	81	Wind blowing from the east-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas	Clouds generally forming or developing.	Blizzard	Cloud covering 1/2 or less of the sky throughout the appropriate period.			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	-9.5 15
September 23, Wednesday	23	-5.5 22	722.6 28.45 963.39 963.39	724.9 28.54 966.45 966.45	-0.3 -0.01 -0.4 -0.4	78	Wind blowing from the south-west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			no clouds no clouds no clouds	Slight or moderate drifting snow generally low (below eye level).	Blizzard	Cloud covering 1/2 or less of the sky throughout the appropriate period.								10.0 6.2	-8.8 16
	20	-6.3 21	722.9 28.46 963.79 963.79	725.2 28.55 966.85 966.85	2.2 0.09 2.93 2.93	77	Wind blowing from the south-southwest	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	Slight or moderate drifting snow generally low (below eye level).	Blizzard	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.	-14.2 6	-2.0 28	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	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	6.0 3.7	-9.8 14
	17	-3.4 26	720.7 28.37 960.85 960.85	722.9 28.46 963.79 963.79	0.3 0.01 0.4 0.4	79	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			60%. 6/10. 5 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	200-300 656-984	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.	10.0 6.2	-6.5 20
	15	-2.5 28	719.9 28.34 959.79 959.79	722.2 28.43 962.85 962.85	-2.6 -0.1 -3.47 -3.47	74	Wind blowing from the south-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas	Clouds generally dissolving or becoming less developed.	Snow and/or other types of solid precipitation	Blizzard			Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	200-300 656-984	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.	10.0 6.2	-6.5 20
	14	-3.1 26	720.4 28.36 960.45 960.45	722.7 28.45 963.52 963.52	-3.1 -0.12 -4.13 -4.13	78	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Snow not falling as shower(s).	Snow and/or other types of solid precipitation	Blizzard			Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	6.0 3.7	-6.5 20	Trace of precipitation Trace of precipitation	6
	13	-5.3 22	721.6 28.41 962.05 962.05	723.9 28.5 965.12 965.12	-2.8 -0.11 -3.73 -3.73	80	Wind blowing from the west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 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			0.8 0.5	-8.2 17
	12	-7.1 19	722.5 28.44 963.25 963.25	724.7 28.53 966.19 966.19	-2.7 -0.11 -3.6 -3.6	83	Wind blowing from the west-northwest	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	-9.6 15
	11	-8.0 18	723.5 28.48 964.59 964.59	725.8 28.57 967.65 967.65	-2.7 -0.11 -3.6 -3.6	76	Wind blowing from the north-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Mist.	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			3.0 1.9	-11.6 11
	10	-10.5 13	724.4 28.52 965.79 965.79	726.7 28.61 968.85 968.85		78	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 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.			Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984	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.	6.0 3.7	-13.7 7
	09	-12.5 10	725.2 28.55 966.85 966.85	727.4 28.64 969.79 969.79		74	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Intermittent fall of snowflakes, slight 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.			Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	200-300 656-984	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.	4.0 2.5	-16.2 3
	08	-13.5 8	726.2 28.59 968.19 968.19	728.5 28.68 971.25 971.25	-1.8 -0.07 -2.4 -2.4	76	Wind blowing from the south-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			100%. 10/10. 8 oktas	Intermittent fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Blizzard	-15.7 4	-7.0 19	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			2.5 1.6	-16.9 2	Trace of precipitation Trace of precipitation	24			Uneven layer of loose dry snow covering ground completely.	12 4.7
	05	-15.1 5	728.0 28.66 970.59 970.59	730.3 28.75 973.65 973.65	-1.4 -0.06 -1.87 -1.87	74	Wind blowing from the south-west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 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			2.5 1.6	-18.8 -2