Weather archive in Guidonia (airport)

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 March 11, Wednesday	16	18.2 65	760.5 29.94 1013.92 1013.92	768.4 30.25 1024.45 1024.45		50					100%. 10/10. 8 oktas	Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation.	Thunderstorm(s) with or without precipitation.	Rain.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	4.0 2.5	7.6 46
	15	19.0 66	760.1 29.93 1013.38 1013.38	768.1 30.24 1024.05 1024.05		42					70 – 80%. 7/10 – 8/10. 6 oktas	Lightning visible, no thunder heard.	Thunderstorm(s) with or without precipitation.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	5.8 42
	14	18.2 65	760.5 29.94 1013.92 1013.92	768.4 30.25 1024.45 1024.45	-1.2 -0.05 -1.6 -1.6	42					50%. 5/10. 4 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	5.1 41
	13	18.0 64	761.1 29.96 1014.72 1014.72	769.0 30.28 1025.25 1025.25		47					70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	6.5 44	No precipitation No precipitation	6
	12	16.4 62	761.7 29.99 1015.52 1015.52	769.7 30.3 1026.18 1026.18		54					70 – 80%. 7/10 – 8/10. 6 oktas						Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	7.1 45
	11	16.4 62	761.7 29.99 1015.52 1015.52	769.7 30.3 1026.18 1026.18		53					60%. 6/10. 5 oktas						Cumulus humilis or Cumulus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	600-1000 1968-3281	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	6.8 44
	10	12.6 55	761.8 29.99 1015.65 1015.65	769.9 30.31 1026.45 1026.45		66					40%. 4/10. 3 oktas						Cumulus humilis or Cumulus 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	600-1000 1968-3281	Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	10.0 6.2	6.4 44
	09	12.0 54	761.3 29.97 1014.98 1014.98	769.5 30.3 1025.92 1025.92		75					40%. 4/10. 3 oktas	Mist.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas		Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	8.0 5.0	7.7 46
	08	8.2 47	761.1 29.96 1014.72 1014.72	769.3 30.29 1025.65 1025.65		96					40%. 4/10. 3 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.	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	7.6 46
	07	6.2 43	760.9 29.96 1014.45 1014.45	769.3 30.29 1025.65 1025.65		97					60%. 6/10. 5 oktas				5.6 42		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.	Altocumulus translucidus at a single level.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	10.0 6.2	5.8 42	No precipitation No precipitation	12	Dry (without cracks, no appreciable amount of dust or loose sand)