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 January 20, Tuesday	08	3.9 39	734.2 28.91 978.85 978.85	736.3 28.99 981.65 981.65	-1.6 -0.06 -2.13 -2.13	75	Wind blowing from the north-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Drizzle (not freezing) or snow grains not falling as shower(s).	Drizzle.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	-0.8 31	3.9 39	Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	8.0 5.0	-0.1 32	Trace of precipitation Trace of precipitation	24			Compact or wet snow (with or without ice) covering less than one-half of the ground.	Measurement impossible or inaccurate.
	05	3.3 38	735.8 28.97 980.99 980.99	738.0 29.06 983.92 983.92	0.3 0.01 0.4 0.4	76	Wind blowing from the west-northwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas	Drizzle, not freezing, intermittent, slight at time of observation.	Drizzle.	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.			Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus.	100%. 10/10. 8 oktas	100-200 328-656			8.0 5.0	-0.5 31
	02	0.2 32	735.5 28.96 980.59 980.59	737.8 29.05 983.65 983.65	0.4 0.02 0.53 0.53	78	Wind blowing from the east-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 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	200-300 656-984	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-3.3 26
January 19, Monday	23	0.2 32	735.1 28.94 980.05 980.05	737.3 29.03 982.99 982.99	0.8 0.03 1.07 1.07	82	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 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 at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-2.6 27
	20	1.3 34	734.3 28.91 978.99 978.99	736.5 29 981.92 981.92	1.0 0.04 1.33 1.33	85	Wind blowing from the north-northeast	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			60%. 6/10. 5 oktas				1.4 35	7.2 45	Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-1.0 30
	17	4.1 39	733.3 28.87 977.65 977.65	735.4 28.95 980.45 980.45	0.6 0.02 0.8 0.8	73	Calm, no wind	Calm			40%. 4/10. 3 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	30.0 18.6	-0.4 31
	14	4.1 39	732.7 28.85 976.85 976.85	734.8 28.93 979.65 979.65	1.2 0.05 1.6 1.6	73	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			40%. 4/10. 3 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 at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-0.4 31
	11	6.3 43	731.5 28.8 975.25 975.25	733.7 28.89 978.19 978.19	0.9 0.04 1.2 1.2	61	Wind blowing from the north-northeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	-0.8 31
	08	5.9 43	730.6 28.76 974.05 974.05	732.8 28.85 976.99 976.99	-1.0 -0.04 -1.33 -1.33	72	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			50%. 5/10. 4 oktas	Clouds generally dissolving or becoming less developed.	Rain and snow or other types of solid precipitation	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.	0.2 32	6.2 43	Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	10.0 6.2	1.1 34	Trace of precipitation Trace of precipitation	24			Compact or wet snow (with or without ice) covering less than one-half of the ground.	Measurement impossible or inaccurate.