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
2025 December 18, Thursday	17	1.9 35	736.6 29 982.05 982.05	738.8 29.09 984.99 984.99	-0.1 -0 -0.13 -0.13	79	Calm, no wind	Calm			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.	60%. 6/10. 5 oktas	300-600 984-1968	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	-1.4 29
	14	4.5 40	736.7 29 982.19 982.19	739.0 29.09 985.25 985.25	-0.3 -0.01 -0.4 -0.4	64	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	50%. 5/10. 4 oktas	300-600 984-1968	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	-1.8 29
	11	5.9 43	737.0 29.02 982.59 982.59	739.3 29.11 985.65 985.65	-0.3 -0.01 -0.4 -0.4	69	Wind blowing from the north	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			60%. 6/10. 5 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	50%. 5/10. 4 oktas	300-600 984-1968	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	0.6 33
	10	3.7 39	737.2 29.02 982.85 982.85	739.4 29.11 985.79 985.79		79	Wind blowing from the west-southwest	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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	Altocumulus translucidus at a single level.	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	0.3 33
	09	3.5 38	737.2 29.02 982.85 982.85	739.4 29.11 985.79 985.79		82	Wind blowing from the west-southwest	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						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	Altocumulus translucidus at a single level.	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	0.6 33
	08	1.7 35	737.3 29.03 982.99 982.99	739.6 29.12 986.05 986.05	0.0 0 0 0	93	Wind blowing from the south-west	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				-2.2 28	1.8 35	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	Altocumulus translucidus at a single level.	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	0.6 33	Trace of precipitation Trace of precipitation	24			Snow covering ground completely; deep drifts.	75 29.5
	05	-1.0 30	737.3 29.03 982.99 982.99	739.6 29.12 986.05 986.05	-0.3 -0.01 -0.4 -0.4	91	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 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	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	-2.3 28
	02	-1.5 29	737.6 29.04 983.39 983.39	739.9 29.13 986.45 986.45	0.0 0 0 0	90	Wind blowing from the south	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	State of sky on the whole unchanged.	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.	40%. 4/10. 3 oktas	300-600 984-1968	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.		10.0 6.2	-2.9 27	Trace of precipitation Trace of precipitation	6
December 17, Wednesday	23	-0.6 31	737.6 29.04 983.39 983.39	739.9 29.13 986.45 986.45	-0.2 -0.01 -0.27 -0.27	92	Wind blowing from the south	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 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.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	200-300 656-984			10.0 6.2	-1.8 29
	20	-0.6 31	737.8 29.05 983.65 983.65	740.0 29.13 986.59 986.59	0.2 0.01 0.27 0.27	92	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Snow and/or other types of solid precipitation	-0.7 31	2.2 36	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			3.0 1.9	-1.8 29	Trace of precipitation Trace of precipitation	6
	17	-0.3 31	737.6 29.04 983.39 983.39	739.9 29.13 986.45 986.45	0.6 0.02 0.8 0.8	90	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Continuous 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.			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			2.0 1.2	-1.8 29