Weather archive in Esperanza Base

To receive explanations, hover over the appropriate heading

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 October 20, Tuesday	02	2.9 37	742.6 29.24 990.05 990.05	744.8 29.32 992.99 992.99	-0.4 -0.02 -0.53 -0.53	65	Wind blowing from the west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			40%. 4/10. 3 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	300-600 984-1968	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-3.2 26
October 19, Monday	23	4.7 40	743.0 29.25 990.59 990.59	745.3 29.34 993.65 993.65	-1.2 -0.05 -1.6 -1.6	64	Wind blowing from the west	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)		26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft	40%. 4/10. 3 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	100-200 328-656	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	-1.6 29
	20	3.5 38	744.2 29.3 992.19 992.19	746.5 29.39 995.25 995.25	0.9 0.04 1.2 1.2	75	Wind blowing from the west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)		25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft	50%. 5/10. 4 oktas				0.4 33	7.0 45	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	50-100 164-328	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	-0.5 31
	17	5.4 42	743.3 29.26 990.99 990.99	745.6 29.35 994.05 994.05		76											Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	100-200 328-656	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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	10.0 6.2	1.4 35
	14	3.7 39	744.7 29.32 992.85 992.85	746.9 29.41 995.79 995.79	-2.2 -0.09 -2.93 -2.93	85	Wind blowing from the west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 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.	60%. 6/10. 5 oktas	50-100 164-328	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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	10.0 6.2	1.4 35
	11	3.1 38	746.9 29.41 995.79 995.79	749.2 29.5 998.85 998.85	-1.5 -0.06 -2 -2	81	Wind blowing from the north-northwest	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	Mist.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	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.	60%. 6/10. 5 oktas	50-100 164-328	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.	5.0 3.1	0.2 32
	08	0.4 33	748.4 29.46 997.78 997.78	750.7 29.56 1000.85 1000.85	-0.6 -0.02 -0.8 -0.8	92	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas	Mist.	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.	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.	-2.7 27	3.0 37	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	50-100 164-328			1.5 0.9	-0.7 31
	05	0.9 34	749.0 29.49 998.58 998.58	751.3 29.58 1001.65 1001.65	-0.5 -0.02 -0.67 -0.67	74	Wind blowing from the north-northwest	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						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	200-300 656-984	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-3.3 26
	02	0.9 34	749.5 29.51 999.25 999.25	751.8 29.6 1002.32 1002.32	-1.9 -0.07 -2.53 -2.53	70	Wind blowing from the north-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			40%. 4/10. 3 oktas	Clouds generally dissolving or becoming less developed.	Fog or ice fog or thick haze.	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 nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	200-300 656-984	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-4.0 25