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 May 10, Sunday	11	0.5 33	744.7 29.32 992.85 992.85	747.0 29.41 995.92 995.92	-0.1 -0 -0.13 -0.13	77	Wind blowing from the west-southwest	Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft)			50%. 5/10. 4 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	100-200 328-656	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	-3.2 26
	08	0.5 33	744.8 29.32 992.99 992.99	747.1 29.41 996.05 996.05	-0.2 -0.01 -0.27 -0.27	77	Wind blowing from the west	Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft)			50%. 5/10. 4 oktas	State of sky on the whole unchanged.	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.	-1.0 30	1.2 34	Stratocumulus cumulogenitus.	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.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-3.2 26	Trace of precipitation Trace of precipitation	24			Even layer of loose dry snow covering ground completely.	15 5.9
	05	0.5 33	745.0 29.33 993.25 993.25	747.3 29.42 996.32 996.32	0.2 0.01 0.27 0.27	87	Wind blowing from the west-northwest	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)	21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft	22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft	50%. 5/10. 4 oktas	Clouds generally dissolving or becoming less developed.	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 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.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	-1.4 29
	02	-0.5 31	744.8 29.32 992.99 992.99	747.1 29.41 996.05 996.05	-4.1 -0.16 -5.47 -5.47	90	Wind blowing from the north-northwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)	15 m/s 54 km/h 34 mph 29 knots 7 Bft		100%. 10/10. 8 oktas	Drizzle, freezing, slight.	Drizzle.	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	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.		3.0 1.9	-2.0 28	Trace of precipitation Trace of precipitation	6
May 9, Saturday	23	-0.3 31	748.9 29.48 998.45 998.45	751.1 29.57 1001.38 1001.38	-2.5 -0.1 -3.33 -3.33	87	Wind blowing from the north	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Drizzle, freezing, slight.	Drizzle.	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.	50%. 5/10. 4 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.		4.0 2.5	-2.3 28
	20	-0.7 31	751.4 29.58 1001.78 1001.78	753.7 29.67 1004.85 1004.85	-1.5 -0.06 -2 -2	90	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas				-2.0 28	-0.7 31	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	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.		10.0 6.2	-2.2 28
	17	-0.9 30	752.9 29.64 1003.78 1003.78	755.2 29.73 1006.85 1006.85	-1.4 -0.06 -1.87 -1.87	85	Wind blowing from the north	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 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.	100%. 10/10. 8 oktas	100-200 328-656			2.0 1.2	-3.1 26
	14	-1.2 30	754.3 29.7 1005.65 1005.65	756.6 29.79 1008.72 1008.72	-1.8 -0.07 -2.4 -2.4	83	Wind blowing from the north-northwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	100-200 328-656			10.0 6.2	-3.8 25
	11	-0.9 30	756.1 29.77 1008.05 1008.05	758.5 29.86 1011.25 1011.25	-1.9 -0.07 -2.53 -2.53	82	Wind blowing from the north-west	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	300-600 984-1968	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	-3.7 25