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
2025 October 21, Tuesday	14	-5.1 23	740.0 29.13 986.59 986.59	742.4 29.23 989.79 989.79	1.0 0.04 1.33 1.33	59	variable wind direction	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						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	-11.9 11
	11	-8.4 17	739.0 29.09 985.25 985.25	741.4 29.19 988.45 988.45	1.4 0.06 1.87 1.87	78	Wind blowing from the south-west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 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.	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	-11.6 11
	08	-10.1 14	737.6 29.04 983.39 983.39	739.9 29.13 986.45 986.45	1.3 0.05 1.73 1.73	72	Wind blowing from the south-west	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			100%. 10/10. 8 oktas	Mist.	Snow and/or other types of solid precipitation	Blizzard	-12.3 10	-6.2 21	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	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.		8.0 5.0	-14.3 6	Trace of precipitation Trace of precipitation	24			Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered.	12 4.7
	05	-10.6 13	736.3 28.99 981.65 981.65	738.7 29.08 984.85 984.85	0.9 0.04 1.2 1.2	84	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena.	Continuous fall of snowflakes, moderate at time of observation.	Snow and/or other types of solid precipitation	Blizzard								less than 0.1 less than 0.06	-12.8 9
	02	-11.3 12	735.4 28.95 980.45 980.45	737.7 29.04 983.52 983.52	-0.3 -0.01 -0.4 -0.4	79	Wind blowing from the south-west	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, moderate 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	-14.2 6	Trace of precipitation Trace of precipitation	6
October 20, Monday	23	-9.4 15	735.7 28.96 980.85 980.85	738.0 29.06 983.92 983.92	-0.9 -0.04 -1.2 -1.2	70	variable wind direction	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 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	300-600 984-1968			10.0 6.2	-13.9 7
	20	-8.1 17	736.6 29 982.05 982.05	738.9 29.09 985.12 985.12	-0.7 -0.03 -0.93 -0.93	79	variable wind direction	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas	Continuous fall of snowflakes, moderate 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.	-8.4 17	-4.5 24	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			1.0 0.6	-11.2 12	Trace of precipitation Trace of precipitation	6
	17	-7.1 19	737.3 29.03 982.99 982.99	739.6 29.12 986.05 986.05	-0.6 -0.02 -0.8 -0.8	78	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	-10.4 13
	14	-4.6 24	737.9 29.05 983.79 983.79	740.2 29.14 986.85 986.85	-0.8 -0.03 -1.07 -1.07	77	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas	300-600 984-1968			10.0 6.2	-8.1 17