Weather archive in Isit

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 December 28, Sunday	21	-32.3 -26	747.8 29.44 996.98 996.98	761.5 29.98 1015.25 1015.25	1.9 0.07 2.53 2.53	69	Calm, no wind	Calm			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.		-32.0 -26	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	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.	Cirrostratus covering the whole sky.	20.0 12.4	-36.1 -33	0.2 0.01	12
	18	-34.1 -29	745.9 29.37 994.45 994.45	759.7 29.91 1012.85 1012.85	1.9 0.07 2.53 2.53	66	Wind blowing from the west	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 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.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	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.	Cirrostratus covering the whole sky.	20.0 12.4	-38.2 -37
	15	-35.4 -32	744.0 29.29 991.92 991.92	757.8 29.83 1010.32 1010.32	1.1 0.04 1.47 1.47	64	Calm, no wind	Calm			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.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	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.	Cirrostratus covering the whole sky.	50.0 31.1	-39.7 -39
	12	-37.2 -35	742.9 29.25 990.45 990.45	756.7 29.79 1008.85 1008.85	1.1 0.04 1.47 1.47	63	Calm, no wind	Calm			100%. 10/10. 8 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrostratus covering the whole sky.	50.0 31.1	-41.6 -43
	09	-39.3 -39	741.8 29.2 988.99 988.99	755.8 29.76 1007.65 1007.65	0.6 0.02 0.8 0.8	62	Calm, no wind	Calm			100%. 10/10. 8 oktas				-42.0 -44		No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2500 or more, or no clouds. 8202 or more, or no clouds.	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrostratus covering the whole sky.	20.0 12.4	-43.8 -47	Trace of precipitation Trace of precipitation	12			Even layer of loose dry snow covering ground completely.	17 6.7
	06	-40.6 -41	741.2 29.18 988.19 988.19	755.3 29.74 1006.98 1006.98	-0.1 -0 -0.13 -0.13	60	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 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 fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	-45.3 -50
	03	-41.7 -43	741.3 29.19 988.32 988.32	755.5 29.74 1007.25 1007.25	-0.7 -0.03 -0.93 -0.93	59	Calm, no wind	Calm			no clouds no clouds no clouds											50.0 31.1	-46.5 -52
	00	-41.9 -43	742.0 29.21 989.25 989.25	756.1 29.77 1008.05 1008.05	-0.6 -0.02 -0.8 -0.8	59	Calm, no wind	Calm			no clouds no clouds no clouds											50.0 31.1	-46.6 -52